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Smartech Mecc Alte DST4602 Technical Manual

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DST4602
CONTROLLER
TECHNICAL MANUAL

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  • Page 1 DST4602 CONTROLLER TECHNICAL MANUAL...
  • Page 2 DST4602 Technical Manual This Page Intentionally Left Blank ENGLISH Code: EAAM039130EN Rev. 33 | Date: 03/03/2023 Mecc Alte S.p.A. - Full or partial reproduction prohibited, if not authorized...
  • Page 3 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Revision Date Notes 28/03/2014 First review 26/11/2012 Controller firmware updated to version 00.15 18/04/2014 Controller firmware updated to version 00.39; full review of the manual. 20/06/2014 Controller firmware updated to version 00.40 7.5.1, 9.1, 10.8.57, 10.8.106, 10.8.204, 10.8.205, 11.2.3, 11.13, 11.14 12/01/2015 Controller firmware updated to version 00.48.
  • Page 4 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Revision Date Notes 06/02/2020 Updated to version 1.10 of the controller. 6.6.3.3, 6.6.4.5, 6.6.5.2, 6.6.5.4, 7.4, 7.5.1, 8.3, 9.1, 9.2, 9.3.2.3.2, 9.4.3.1, 9.4.3.2, 9.5.9, 10.8.01, 10.8.02, 10.8.03, 10.8.48, 10.8.52, 10.8.56, 10.8.58, 10.8.59 Added paragraphs: 9.3.3, 9.8.5 and 11.15 13/07/2020...

  • Page 5: Table Of Contents

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 SUMMARY Introduction ........................16 1.1 Reference documents ......................16 1.2 Safety information ......................... 16 1.3 General information ....................... 17 1.4 Requirements ......................... 17 1.5 Notes on the configuration of the device parameters ............17 1.6 Definitions ..........................
  • Page 6 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 5.5.11 Current output (“Current loop”) ................47 5.5.12 Live output ......................47 5.5.12.1 Internal trimmer ..................... 47 5.5.12.2 Trimmer / external resistor ................48 5.5.12.3 Operating procedure: ..................48 RS232//RS485 (J14/J16) serial communication ..............
  • Page 7 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.3.10 S.10 SYSTEM STATUS ..................73 6.6.3.11 S.11 SYSTEM STATUS ..................73 6.6.3.12 S.12 SYSTEM STATUS ..................73 6.6.3.13 S.13 SYSTEM STATUS ..................73 6.6.3.14 S.14 DIGITAL INPUTS ..................74 6.6.3.15 S.15 DIGITAL OUTPUTS ...................
  • Page 8 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.5.20 E.25…E.26 EXHAUST GAS THREATMENT (Evolution) E.27…E.29 EXHAUST GAS THREATMENT (Standard) ................95 6.6.5.21 E.27 ADBLUE pump (Evolution) E.30 ADBLUE pump (standard) ..96 6.6.5.22 E.28…E.33 ECU (Evolution) E.31…E.36 ECU (Standard) ......
  • Page 9 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.3.1 Sensor for the parallel bars ..................150 9.3.1.1 Signalling ......................150 9.3.2 Mains sensor ......................151 9.3.2.1 Status of the mains acquired by a MC board ..........151 9.3.2.2 Mains status acquired by a digital input ............
  • Page 10 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.5.9 Automatic command sequence ................173 9.5.9.1 Automatic start-up ..................174 9.5.9.2 Standard automatic stop ................. 174 9.5.9.3 Automatic emergency stop ................175 9.5.10 Masking of oil protections ................. 175 9.5.11 Events .........................
  • Page 11 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.7.1 Inhibition from contact .................... 194 9.7.2 Control from serial ports ..................194 9.7.3 Due to failure of the mains ..................194 9.7.4 Inhibition due to “GCB switch not open” ..............195 9.7.5 Inhibition from MC board ..................
  • Page 12 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 18 – Maximum speed (from rotation speed) ................218 19 – Maximum speed (from generator frequency) ..............218 20 – High battery voltage - 2nd threshold (from measure) ............219 21 –...
  • Page 13 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 98 – Communication failure with the ECU ................. 234 99 – Minimum speed for asynchronous generators (from measure) ........234 105 – Battery-charger failure (from CAN-BUS)................234 106 –...
  • Page 14 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 567 – Short circuit (50) by D-PRO relay #1................. 247 568 – Short circuit on neutral (50N) by D-PRO relay #1 ............248 569 – Short circuit (50V) by D-PRO relay #1 ................248 570 –...
  • Page 15 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 11.2.5 Configurable calendars ..................260 11.2.6 Configurable timers .................... 264 11.3 Thermometer ......................266 11.4 Serial number ......................267 11.5 Counters ........................267 11.5.1 Counters reset ....................268 11.6 Genset lock .......................

  • Page 16: Introduction

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 1. Introduction 1.1 Reference documents [1] Mecc Alte EAAM0380xx – DST4602 Parameters table [2] Mecc Alte EAAM0396xx – DST4602 User’s Manual [3] Mecc Alte EAAM0199xx – DST46xx/GC500 Parallel Functions Manual [4] Mecc Alte EAAS0394xx –...

  • Page 17: General Information

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 1.3 General information DST4602 is an automatic device for the control of a generator. It can manage and protect both engine and alternator. It integrates all the functionalities needed to manage the parallel of the generator both with other generators and with the mains.

  • Page 18: Acronyms

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 In the end, DST4602 stops the engine. Deactivation. This term is used to indicate an anomaly that requires the stop of generator. • There aren't immediate risks for generator, but there are potential risks for users, that, therefore, must be disconnected immediately from generator.

  • Page 19: Conventions

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 See the description of types of systems (par. [3]. MPtM See the description of types of systems (par. [3]. MPtM + MSB See the description of types of systems (par. [3]. See the description of types of systems (par.

  • Page 20: Views Of The Device

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 2. Views of the device DST4602 and DST4602 HMI Front view: DST4602/P and DST4602/P HMI Front view: Mecc Alte S.p.A. - Full or partial reproduction prohibited, if not authorized...
  • Page 21 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DST4602Evolution and DST4602Evolution HMI Front view: DST4602/P Evolution and DST4602/P Evolution HMI Front view: Mecc Alte S.p.A. - Full or partial reproduction prohibited, if not authorized...
  • Page 22 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DST4602, DST4602/P, DST4602 Evolution, DST4602/P Evolution Rear view: DST4602 SCM, DST4602/P SCM, DST4602 Evolution SCM, DST4602/P Evolution SCM Rear view: Mecc Alte S.p.A. - Full or partial reproduction prohibited, if not authorized...
  • Page 23 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Upper connectors view: Lower connectors view: Mecc Alte S.p.A. - Full or partial reproduction prohibited, if not authorized...

  • Page 24: Technical Features

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 3. Technical features Supply power voltage Vbatt: 8…33VDC with continuous operation. Protection against polarity reversal with built-in self-resetting fuse. Functioning guaranteed during the starting of the engine, in accordance with the technical specification “ST SGS-THOMSON Microelectronics –...
  • Page 25 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Frequency measurements: 50 or 60Hz nominal frequencies, measured by L1-L2 phase voltages both for the mains and for the generator, by only L1 for single-phase operation. For the generator the sensitivity of measurement is highest at low frequency to optimize the recognition of the started engine and decreases with frequency for higher interference rejection Minimum voltages for frequency detection:...
  • Page 26 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Engine instruments analogue Three inputs for resistive sensors plus one input for measuring and inputs: compensation of the reference potential of their common minus. Measurement resolution of 10 bits. Resistance measuring range: Oil pressure AN.

  • Page 27: Installation

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Size: 260(L)x202(H)x78.6(P)mm Weight: 1670g DST4602 1285g SCM unit 950g HMI unit 4. Installation Dimensions and drilling scheme for the installation of the controller DST4602, DST4602/P, DST4602Evolution, DST4602/P Evolution compact model WASHER Ø4 SPRING WASHER Ø4 EXAGONAL NUT 4MA...
  • Page 28 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Dimensions and drilling scheme DST4602 SCM, DST4602/P SCM, DST4602 Evolution SCM, DST4602/P Evolution SCM Mecc Alte S.p.A. - Full or partial reproduction prohibited, if not authorized...

  • Page 29: Connections

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 5. Connections WARNING! IT IS MANDATORY TO PERMANENTLY CONNECT THE HOUSING OF THE DEVICE TO EARTH through the suitable screws. The safety connection to earth should be implemented before any other connection.

  • Page 30: Device (J20) Supply

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 5.1 Device (J20) supply The J20 connector is the supply connector: connect an uninterruptible power supply (usually the engine starter battery) to the 1-GND terminal (minus) and to the 2-+BATT terminal. The minus terminal "1-GND"...

  • Page 31: Digital Outputs (J4/J5/J26)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Terminal Input Pre-assigned function J1 - 1 Input 1 DIF.3001 - GCB switch status. J1 - 2 Input 2 DIF.3002 - MCB switch status. J1 - 3 Input 3 DIF.4201 - Emergency stop”.

  • Page 32: Outputs J5

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Pre-assigned Terminal Function Output Type function J4 - 6 N.C. 5.3.2 Outputs J5 J5 outputs are divided into two groups, each with its own common terminal and each internally protected by a self-resetting thermal fuse.

  • Page 33: Outputs J26

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 5.3.3 Outputs J26 The following table shows 7 through 14 outputs, available on J26 connector. They are "open drain" outputs, having internal overcurrent protection. The maximum capacity of each output is 350mA. The overall maximum current for all J26 outputs should not exceed 1.5A.

  • Page 34: Outputs For The Excitation Of J6 Battery-Charger Alternator

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Outputs for the excitation of J6 battery-charger alternator Terminal Type Function EXC +D 12V. Excitation Output max. J6 - 1 output for 12V battery 280mA charger. EXC +D 24V. Excitation J6 - 2 Output max.

  • Page 35: Mains/Bars Voltages Input (J23/J24)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • J18 for voltages up to 100 Vac (phase-to-phase). This input should be used in case voltmeter transformers with secondary voltage equal to 100V are employed. J18 and J23 measuring inputs cannot be wired and used simultaneously. J23 - 1 400 V generator phase input L1 J23 - 2...

  • Page 36: Voltmeter Transformers Aron Insertion O

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • Connect the phase (L) to terminal 1 of connector J24 or J19 • Connect the neutral (N) to 2 and 4 terminals of J24 or J19 connector. Parameters P.0119 allows to select the tri-phase/single-phase mode.

  • Page 37: Aron Insertion For Current Transformers

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 External current transformers can be connected to these terminals with a 5Aac or 1Aac secondary: the board manages internally an automatic changing of scaling that provides the same accuracy of measure with both types of transformer.
  • Page 38 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 P.0108 and P.0140 parameters allow configuring the transformation ratio of the external current transformers. For example, if a 60/5 current transformer is used, set P.0108=60 and P.0140=5. •...

  • Page 39: Resistive Analogue Input (J27-2, J27-3, J27-4, J27-5/6)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 calculated power if the load is evenly distributed over the three phases. If it is not the case, it is possible to apply a correction factor (P.0132), which allows increasing the calculated power (if P.0132 >...

  • Page 40: Analogue Input 3 J27-2 Input (Op Oil Pressure)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 "ANALOGUE INPUT 3" and “ANALOGUE INPUT 4" inputs have the maximum measurable selectable resistance value. It is necessary to act on SW4 switch and on the configuration parameters of the inputs (see description in the following paragraphs): If not used to acquire the sensors, the three inputs can be configured as additional digital inputs;...

  • Page 41: Analogue Input 4 J27-3 Input (Ct Coolant Temperature)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 5.5.5.2 ANALOGUE INPUT 4 J27-3 input (CT Coolant Temperature) The input has a selectable usable resistance measuring range: SWITCH SW4_2 ON and P.0137=0 parameter >> full scale =1800 Ohm •...

  • Page 42: J27-5/6 Input (Analogue Reference)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 5.5.5.4 J27-5/6 Input (ANALOGUE REFERENCE) The dual J27-5 and J27-6 "ANALOGUE REFERENCE" input (the two pins are internally connected to each other) is not a true measurement input, but it is used along with three inputs for resistive sensors. Its purpose is to compensate for the lack of equipotentiality between electric earthing of the device (J20-1 GND terminal) and of the electric panel and electric earthing of the genset, usually generated by the voltage drop on the connection cables;...

  • Page 43: Voltage Analogue Inputs (J15-1, J15-3 2, J6-3/4)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 5.5.6 Voltage analogue inputs (J15-1, J15-3 2, J6-3/4) Terminal Type Function ANALOGUE INPUT 1 (0...5V): Analogue measurement input with J15 - 1 Measure input voltage 0 to 5 Vdc with earthing reference dedicated to terminal 2 of J15.

  • Page 44: Use With Potentiometers

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 5.5.6.1 Use with potentiometers One of the uses of "ANALOGUEUE INPUT 1", "ANALOGUEUE INPUT 2" and "ANALOGUEUE INPUT 6" is to set speeds, power or else by using the potentiometers. J15-5 terminal can be used, exclusively for this purpose, as regulated source at +5 Vdc to which it is possible to connect one or more adjustment potentiometers;...

  • Page 45: Pick-Up Input Or W Signal (J27-7, J27-8)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 5.5.7 Pick-up input or W signal (J27-7, J27-8) Terminal Type Function PICK-UP IN/W. Pick-up or W signal input (the latter requires an J27 - 7 Measure input additional filter).

  • Page 46: Analogue Outputs (J7/J8)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 For the configuration of the W signal see par. 9.5.3. 5.5.8 Analogue outputs (J7/J8) Two analogue outputs are provided for interfacing the most part of devices requiring current or live input signals.

  • Page 47: Offset

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • From 0 to +20mA • -10mA to +10mA • -20mA to +20mA 5.5.10 Offset Trimmers TR2 and/or TR4, respectively for analogue outputs 1 and 2, are factory set for a value centring referred to the current range set.

  • Page 48: Trimmer / External Resistor

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 5.5.12.2 Trimmer / external resistor WARNING! Carefully consider the resistor and the dipswitch configuration, as the max. voltage range is ±11 Vdc. INFORMATION! In case use of an external trimmer or resistor is required, pin 2 and pin 3 of connectors J7 and/or J8 shall be devoid of connections.

  • Page 49: Rs232//Rs485 (J14/J16) Serial Communication

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Example 3: internal trimmer Required voltage: min. – 0 Vdc to max. 3 Vdc. Select +20mA The internal trimmer shall be adjusted to a resistive value of: 150 Ohm To calibrate the trimmer, you must disconnect any wire and/or device that might affect the reading;...

  • Page 50: Can-Bus (J11/J12/J13)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 INFORMATION! For correct operation of the 2nd Serial in RS232 mode, ensure that switch S5 is set to OFF. The serial port J16 can be used in the following two modes that can be selected through parameter P.0451: •...

  • Page 51: Pmcb Bus (J12)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Terminal Type Function J11 - 1 CAN _H CAN_H line (high when dominant) J11 - 2 CAN SH N.C. J11 - 3 CAN_L CAN_L line (low when dominant) The interface is galvanically isolated.

  • Page 52: Other Connectors

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Other connectors 5.8.1 USB 2.0 Slave(J9) Connector J9 is a standard USB 2.0 Slave. At present, this connector is only used for updating the device firmware. Firmware update requires an initial BOOT procedure through the dipswitch SW3 and the button P1. 5.8.2 HMI SERIAL INTERFACE (J10) J10 connector allows data connection with RS422 differential line between SCM (System Control Module) device and HMI (Human Machine Interface) panel.

  • Page 53: Main Functions

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6. Main functions Front panel Fig. 1 – DST4602 Front Panel Mecc Alte S.p.A. - Full or partial reproduction prohibited, if not authorized...
  • Page 54 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Fig. 2 –DST4602Evolution Front Panel KEY: 1. Selector 2. Pushbuttons 3. Indicators The controls consist of a lockable selector (1) and 12 pushbuttons (2). The front panel also has some luminous indicators (3). Mecc Alte S.p.A.

  • Page 55: Selector (See Fig. 1)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Selector (see fig. 1) Selector Function position OFF/RESET The engine is OFF. The GCB switch is opened. The MCB (if any) switch is closed. All anomalies PROGRAM are cancelled.
  • Page 56 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Pushbuttons Function Horizontal scrolling buttons. They allow to: Select the previous or the next page of the display within the current mode (in all modes, except PROGRAMMING and RECORDS mode). In PROGRAMMING mode, they are used to position the cursor when entering the strings.
  • Page 57 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Pushbuttons Function It allows: "Accepting" any reports of anomalies on the non-volatile memory at powering up. It activates the PROGRAMMING function and, within it, allows entering a submenu, starting an editing operation on a variable and confirming the operation.
  • Page 58 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Pushbuttons Function It is only active in MAN and TEST. It allows controlling the opening and closing of GCB switch. If synchronization is required for closing, by pressing the key, the synchronization sequence will be activated.

  • Page 59: Warning Lights (See Figure 1)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Pushbuttons Function In MAN mode it can be used to start the engine. The button can be configured in two ways: P.0252 = 0: fully manual (the starter motor is engaged all the time the button •...
  • Page 60 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Signalling Function It indicates there is a block, a deactivation, an unload or a warning.  FAULTS It indicates there is a block, a deactivation, an unload or a warning (Only for ...
  • Page 61 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Signalling Function Flashing (75% illuminated): the mains is present, but either a  voltage or the frequency are above the maximum threshold. Flashing (50% illuminated): transition between the "permanently ...

  • Page 62: Multifunctional Display

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Multifunctional display 6.5.1 Lighting The backlight lamp is managed by the Genset control module, which switches off the backlight after a programmable time (P.492) if no buttons are pressed in the meantime. To light it again, simply press any key (use the SHIFT key that, when alone, does not perform any operation).

  • Page 63: Mode Navigation

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.5.3 Mode navigation Fig. 2 - Mode navigation The display has different display modes with various pages. Mode Description Page identifier PROGRAMMING Programming P.XX Information about the PLC program L.XX STATUS Status information...

  • Page 64: Structure Of Display Areas

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.5.4 Structure of display areas E.01 ENGINE ⇒ 18/07/11 18:23 KEY: 1 - Status bar 2 - Data area Press.(Bar) Temp.(°C) Level(%) 3 - Bottom status bar xx.x –xxx.x xx.x Oil: xx.x –xxx.x xx.x...

  • Page 65: Bottom Status Bar

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.5.6 Bottom status bar | Engine stopped 2a - Operating mode 2b - System status Fig. 5 - Bottom status bar The bottom status bar displays some information on the system status. The operating mode of the board (2a) reflects the position of the key switch.

  • Page 66: Plc

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.2.1 L.01 PLC L.01 PLC 21/12/11 18:23 PLC version: 1.00 Compiler version: 1.00 Editor version: 1.00 Last Modified: 21/12/2011 13:45:00 Average time/max PLC: 1.250ms 1.452ms Title: Description: |Engine stopped - This page contains the information of identification of the PLC program installed on the device, such The title and the description of the PLC program.

  • Page 67: Virtual Inputs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 In the third line (on the right) the selected block, with the "TYPE-NUMBER" format, is shown. To select a block, press the ENTER key, then use the UP and DOWN keys to search the desired block; confirm again with ENTER.

  • Page 68: Digital Supports

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.2.4 L.04 DIGITAL SUPPORTS L.04 DIGITAL SUPPORTS 21/12/11 18:23 PLC: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 |Engine stopped - This page shows the status of all digital temporary variables (DT_XXX) available for the PLC program.

  • Page 69: Virtual Analogues

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.2.6 L.06 VIRTUAL ANALOGUES L.06 VIRTUAL ANALOGUES 21/12/11 18:23 #1: --------.-- #2: --------.-- #3: --------.-- #4: --------.-- #5: --------.-- #6: --------.-- #7: --------.-- #8: --------.-- |Engine stopped - This page shows the value of all the virtual analogue inputs of the board (i.e.

  • Page 70: Status

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.3.1 S.01 STATUS Page S.01 (STATUS) shows system status information. Part of this information is shown on the bottom status bar. It contains: The possible activation of the various protection OVERRIDES (see 10.5). •...

  • Page 71: Controller

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • Press EXIT to leave the mode Some anomalies can show additional diagnostic information. DST4602 Evolution always shows this information. For DST4602, instead, this information is automatically displayed in case of a single active anomaly: if there are several active anomalies, use the procedure described above to select the individual anomalies and display any additional diagnostic information about the selected anomaly.

  • Page 72: Serial Ports

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • The unique serial number of the board. • The "internal code": this number should be provided to Mecc Alte along with the serial number to get the temporary "Mecc Alte" password for the modification of parameters. This password is valid for 2 hours of engine running: after this time DST4602 generates a new "internal code", which therefore makes the old password void.

  • Page 73: Can-Bus

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • The address of the DNS server. If DHCP protocol is enabled, the information displayed is that returned by the DHCP server; in addition, it also shows the name under which the controller was registered on the DNS server (P0456). 6.6.3.5 S.05 CAN-BUS This page is dedicated to the displaying of the status of the three DST4602 CAN-BUS interfaces:...

  • Page 74: Digital Inputs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 board display. It can also group them (by any standard), and display them on one of the eight available pages. The division of the statuses on the different pages is done via the function configured in the digital inputs: •...

  • Page 75: Digital Outputs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.3.15 S.15 DIGITAL OUTPUTS This page displays the status of all board and expansion modules digital outputs (the latter ones displayed only if properly configured with P.0141 parameter). It is possible to view the outputs in three different ways: •...

  • Page 76: Mains Protections

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 therefore possible, for example, to verify the speed regulator control, without knowing which board or expansion module analogue output controls it. DST4602 shows a function for each line.

  • Page 77: D-Pro 1

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The last three measures are used by “27 U< & Q” protection. 6.6.3.19 S.19 D-PRO 1 This page is shown only if the controller is configured to communicate via CANBUS with the D-PRO protection relay (parameter P.0145 >=1).

  • Page 78: D-Pro 1

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • • 59N. • • 81U. • • 81O. • • 50N. 50V. • • 51N. • • 51V. • 87G. 87T. • • 32P. 32Q. • •...

  • Page 79: D-Pro 2

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.3.22 S.22 D-PRO 2 This page is displayed only if the controller is configured to communicate via CANBUS with two D- PRO protection relays (parameter P.0145 = 2). It displays the status of the relay protections. The acronyms of the configured protections are displayed.

  • Page 80: Mains/Bars

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The symbol of the switches also contains an indication of the fact that it is possible to use synchronization to control its closure (empty dots) or not (filled dots). Moreover, the board, autonomously shows the symbol of the interlocks among the switches for the systems that do not include the parallel.

  • Page 81: Generator

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • The three current measurements (if the current transformers are on users and the users are connected to the mains - P.0124). Any measurement of neutral current (if the current transformers are on users and the users •...

  • Page 82: Auxiliary Measures

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • Press the ENTER key to finish the reset procedure. From version 1.09, these counters are protected with the password configured by parameter P.0001 (protection level: user). If a password has been configured in P.0001, to be able to reset the counters, it must first be entered (login) in parameter P.0000 ("access code").

  • Page 83: Parallel

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The values in the two columns differ if customized conversion curves or limitations on the analogue outputs used to control speed and voltage regulators are employed (see document [3]). DST4602 also allows performing the manual synchronization procedure, where the engine speed or the alternator voltages are regulated by the operator and not by the board.

  • Page 84: Setpoint2

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 M.01 will only show the setpoints related to the current operating mode, while page M.09 will show all of them: in this way, the operator can adjust the setpoints before changing the operating mode. The adjustable setpoints are: •...

  • Page 85: M.14

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • spn 2441 - Voltage L1-L2 • spn 2442 - Voltage L2-L3 spn 2443 - Voltage L3-L1 • • spn 2444 - Average L-N voltage spn 2445 - Voltage L1-N •...

  • Page 86: Engine

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.5.1 E.01 ENGINE It is the main page: it displays the main dimensions of the engine detected by the analogue sensors or directly by the engine electronic control unit (ECU) via CAN0 CAN-BUS. For DST4602 and DST4602/P, this page shows the following measures: •...

  • Page 87: Engine Counters

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.5.3 E.03 ENGINE COUNTERS This page shows all the counters related to the engine. Some of these counters are operated by DST4602, others are managed by the engine control unit (ECU). Engine starts counter (resettable to zero).

  • Page 88: External Measures

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 6.6.5.5 E.05 EXTERNAL MEASURES 6.6.5.6 E.06 EXTERNAL MEASURES 6.6.5.7 E.07 EXTERNAL MEASURES 6.6.5.8 E.08 EXTERNAL MEASURES 6.6.5.9 E.09 EXTERNAL MEASURES 6.6.5.10 E.10 EXTERNAL MEASURES 6.6.5.11 E.11 EXTERNAL MEASURES 6.6.5.12 E.12 EXTERNAL MEASURES These pages are dedicated to the displaying of the measurements acquired from the analogue inputs...

  • Page 89: Afr (Air Fuel Ratio)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • Boost pressure and temperature (BP and BT). • Exhaust gas temperature (turbine inlet, EXTA and EXTB). 6.6.5.15 E.15 AFR (AIR FUEL RATIO) This page is dedicated to the management of the AFR, the control of the air/gas mixture for gas engines.

  • Page 90: Dashboard

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • "UD_DB": The controller is not activating UP and DOWN commands to adjust the position of the mixer because the position error very small (dead band). “DRT”: a derating of the generator power setpoint is active due to a high temperature of the •...

  • Page 91: Emissions Level Exceedance

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 start: the ECU could apply a reduction in engine performance (derating). It is yellow, not flashing. SPN 5245 (“AFTERTREATMENT DIESEL EXHAUST FLUID TANK LOW LEVEL • INDICATOR”). Indicates a low level of the Diesel Exhaust Fluid (DEF) tank. It can be steady if the level is below normal, flashing if the low level determines a power derating.
  • Page 92 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 spn 92: Engine Percent Load At Current Speed.  spn 94: Engine Fuel Delivery Pressure.  spn 96: Fuel Level 1  spn 98: Engine Oil Level. ...

  • Page 93: Dpf Regeneration (Evolution)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 spn 1637: Engine Coolant Temperature (High Resolution)  spn 1639: Fan Speed  spn 2432: Engine Demand – Percent Torque  6.6.5.19 E.24 DPF REGENERATION (Evolution) E.26 DPF REGENERATION (Standard) The controller fully supports the TIER4 (US) and STAGE V (EU) directives concerning generators emissions.
  • Page 94 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 If there is one of the inputs, parameter P.0446 can no longer be changed, because the inputs go to force the value of the parameter. You can also use virtual digital inputs to build complicated logics to manage the regeneration of the filter.

  • Page 95: E.25

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 SPN 3714 (“DIESEL PARTICULATE FILTER ACTIVE REGENERATION INHIBITED DUE TO TEMPORARY SYSTEM LOCKOUT”) SPN 3715 (“DIESEL PARTICULATE FILTER ACTIVE REGENERATION INHIBITED DUE TO PERMANENT SYSTEM LOCKOUT”) SPN 3716 (“DIESEL PARTICULATE FILTER ACTIVE REGENERATION INHIBITED DUE TO ENGINE NOT WARMED UP”) SPN 3750 (“AFTERTREATMENT 1 DIESEL PARTICULATE FILTER CONDITIONS NOT MET FOR ACTIVE REGENERATION”)

  • Page 96: Adblue Pump (Evolution) E.30 Adblue Pump (Standard)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • SPN 1761 ("AFTERTREATMENT 1 DIESEL EXHAUST FLUID TANK VOLUME") • SPN 3031 ("AFTERTREATMENT 1 DIESEL EXHAUST FLUID TANK TEMPERATURE 1") • SPN 3515 ("AFTERTREATMENT 1 DIESEL EXHAUST FLUID TEMPERATURE 2") •...

  • Page 97: E.28

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • Use the UP and DOWN buttons to select the desired mode. • Confirm with ENTER or cancel the modification with ESC. See 9.5.16 for a detailed description of the functions offered by the controller for the management of this pump.

  • Page 98: Total On Pmcb

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The counter of the reactive energy produced (kvarh, Evolution only) Engine operation hours. The information in this column are displayed in REVERSE if they refer to this DST4602. •...

  • Page 99: H.xx) Events And History Logs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • The power supplied by the generators (percentage of the maximum one) calculated if the generator with lowest priority is stopped (or that the combination of generators having the lowest rated power is stopped).

  • Page 100: Programming

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 7. Programming (P.XX) The controller manages a high number of parameters that allow the manufacturer, the installer or the final user to configure it to adapt it to specific system requirements. This document does not contain the parameters list (even though many of them are quoted in the description of the controller functions);...
  • Page 101 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 controller board, including with the engine running. As a general rule, if a parameter cannot be modified, it will be enclosed between < and > while, if it can be modified, it is enclosed between [ and ] : that is, valid also for the restrictions due to password.
  • Page 102 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 No parameter modification is allowed. When entering “UUU” in P.0000, the operator is identified as “User” and can modify all parameters associated to the end user. By entering “III”, the operator is identified as "installer”...

  • Page 103: Operating Procedure

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Operating procedure This procedure will describe the keyboard and display use. P.07 PROGRAMMING 20/07/06 18:23 1/06 Main menu 1 System 2 Sequence 3 Protections 4 Auxiliary functions 6 PLC 7 Engine Canbus 8 Parallel...

  • Page 104: Access To Programming

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 7.3.1 Access to programming Programming is accessible in any controller operation status. The modification of the parameters is generally only possible with the board in OFF/RESET mode. Only some parameters can be modified even during system operation.

  • Page 105: Modify A Parameter

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 7.3.4 Modify a parameter You may only modify parameters displayed between square brackets “[” e “]”. A parameter between (major/minor) symbols “<” e “>” cannot be modified. In this case, you may require resetting an appropriate password and/or switch the key to OFF/RESET mode.

  • Page 106: Set Up Limits

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 0100 Enable function 9 0200 Enable function 10 0400 Enable function 11 0800 Enable function 12 1000 Enable function 13 2000 Enable function 14 4000 Enable function 15 8000 Enable function 16 In case the operator wants:...

  • Page 107: Logics And/Or

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Logics AND/OR The AND/OR logics are, basically, a list of boolean conditions (true/false, on/off, 1/0), which can be configured by the operator (programming), which the controller evaluates and the result of which can be assigned to a digital output.
  • Page 108 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 ST.015 Unacknowledged locks cumulative ST.016 Mains voltage/frequency present. ST.017 Mains out of tolerance or absent ST.018 Delay for mains within tolerance. ST.019 Mains in tolerance ST.020 Delay for mains out of tolerance or absent ST.024 Generator voltage/frequency present ST.025...
  • Page 109 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 ST.090 Inhibition of the GCB closing from serial port ST.091 GCB closing inhibition because another generator has GCB not open ST.092 GCB closing inhibition because a returning synchronization is ongoing ST.093 GCB closing inhibition from MC board ST.096...
  • Page 110 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 ST.163 GCB closed on genset 20 ST.164 GCB closed on genset 21 ST.165 GCB closed on genset 22 ST.166 GCB closed on genset 23 ST.167 GCB closed on genset 24 ST.176 Master genset for load function ST.192...
  • Page 111 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 ST.259 No communication on CAN 0 ST.260 CAN 1 BUS-OFF ST.261 CAN 1 ERR-PASSIVE ST.262 CAN 1 ERR-ACTIVE ST.263 No communication on CAN 1 ST.264 CAN 2 BUS-OFF ST.265 CAN 2 ERR-PASSIVE ST.266...

  • Page 112: Digital Input Configuration

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 ST.367 Enable protections 27 for low mains voltage. ST.368 Active regeneration status: not active (spn3700=0) ST.369 Active regeneration status: active (spn3700=1) ST.370 Active regeneration status: will start soon (spn3700=2) ST.371 DPF status: regeneration not required (spn3701=0) ST.372...

  • Page 113: Digital Input Functions

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • A bit set to zero means that the related input is “active” when it is connected to the negative supply of the controller. A bit set to one means that the related input is considered “active” when it is left open •...
  • Page 114 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DIF.1033 MCB controlled It indicates to the board that the switch will be temporarily externally. controlled by external logics: the board will acknowledge the situation without triggering anomalies. DIF.1034 Synchronization request Used when MCB is controlled by external devices: the external...
  • Page 115 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DIF.2071 Inhibit DPF regeneration. Inhibition of regeneration. This command should only be activated when the full power of the generator is required. Regeneration, in fact, involves temperature increases that may require a derating of engine performance.
  • Page 116 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DIF.2165 Selects the application SPTM+SSB. DIF.2166 Selects the application MPM. DIF.2167 Selects the application MSB. DIF.2168 Selects the application MSB+MSTP. DIF.2169 Selects the application MPTM. DIF.2181 Immediate supply. Used for systems composed of multiple generators: if the input is active, the switching of the users between mains and generators is performed after the closing of the first GCB...
  • Page 117 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DIF.2333 It selects the power Used in the "load management". See document [3]. reserve # 3 for the load function DIF.2341 Request #1 for engine When the input is active, the board requires the derating (1) derating of the engine based on parameters P.1281 ...
  • Page 118 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DIF.2502 Inhibition to taking of In automatic mode, when the input is "active", the board load opens GCB switch (and, where applicable, closes MCB switch). DIF.2503 MCB closure inhibition If this input is active, the controller keeps the MCB circuit breaker open (in automatic modes).
  • Page 119 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DIF.2723 Enables the limitation of It is combined with the function which, in parallel with the the active power mains, reduces the active power supplied if the mains voltage setpoint for high grid rises above a configured threshold.
  • Page 120 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DIF.3206 Important generic status If this input is “active”, the controller displays the text set in (page 3). the related parameters associated to the input on page S.08, which is displayed immediately DIF.3207 Generic status (page 4).
  • Page 121 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DIF.4011 Warning (after oil delay). If the input is active, an alarm (block) is issued if the time set by means P.0216 is elapsed from the engine running detection.
  • Page 122 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DIF.4051 Warning (turns off the If the input is active, a warning is issued: the message shown is fuel pump) the one set by means the related “text” parameter. The controller blocks the fuel pump if this input is “active”...

  • Page 123: Virtual Digital Inputs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DIF.4251 Overspeed If the input is “active”, an interlock with a fixed description (language-dependant) is activated. DIF.4261 Auto production line When the input is "active" the board assumes it is no longer in open.

  • Page 124: Conversion Curves

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 P.3650 DITEL #10 Said parameters have a bit for each output: A bit at zero means that the relay/transistor is activated when the corresponding function • requires its activation. •...

  • Page 125: Analogue Inputs Configuration

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The figure above shows a conversion curve associated to an analogue output. The analogue output has been configured with the function AOF.3101 ("generator frequency"). In this configuration, the output will run at 10% for a frequency of 45Hz or lower, and at 90% for a frequency of 55 Hz or higher;...
  • Page 126 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 to sixteen DIVIT modules (for a total of 64 measurements). Therefore, it manages up to 126 analogue inputs, all fully configurable. For the virtual analogue inputs, see par. 7.8.1. Use P.0142 parameter to specify the number of DIGRIN/DITHERM modules to be managed.
  • Page 127 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 0: the "out of threshold" condition occurs when the measurement is higher than the threshold. 1: the "out of threshold" condition occurs when the measurement is lower than the threshold.

  • Page 128: Virtual Digital Inputs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Internal status linked to thresholds on analogue measurements. DST4602 can use both thresholds on the analogue measurements to activate/deactivate an internal status: the internal status is then accessible by AND/OR logics, and it is possible to use it to control the digital outputs of the board.

  • Page 129: Configuration Of The Analogue Outputs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Configuration of the analogue outputs The standard board has two analogue outputs as standard and manages up to eight DANOUT expansion modules (four outputs per module, for a total of 32 additional outputs). In total, therefore, the board manages up to 34 analogue outputs, all fully configurable.
  • Page 130 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • P.0119: Mains/bars number of phases. • P.0124: Connection of generator/user current transformers • P.0125: Engine nominal power (kW). • P.0126: Use of mains/bars sensor. P.0128: Is the neutral of the generator connected to the board? •...
  • Page 131 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 NOTE: parameter change occurs only with engine shut off and with the controller in OFF/RESET mode. Mecc Alte S.p.A. - Full or partial reproduction prohibited, if not authorized...

  • Page 132: History Logs (H.xx)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 8. History logs (H.XX) During operations, if it is not in the OFF/RESET, the board makes periodic records of a single event, partially configurable with programming parameters. The controller manages three types of archive: •...

  • Page 133: Events

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Events pages When previously configured events occur, the controller adds a record in this archive. The record always contains date and time, the numeric code that identifies the event and the status of the controller.
  • Page 134 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 EVT.1038 00.00 MCB open. EVT.1040 00.00 Engine stopped EVT.1041 00.00 Starting cycle EVT.1042 00.00 Engine running. EVT.1043 00.00 Cooling cycle EVT.1044 00.00 Stopping cycle EVT.1045 00.00 Idle speed cycle EVT.1050 00.00 Manual start-up command...
  • Page 135 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 EVT.1101 00.07 Mains "59 U>" loss protection activated EVT.1102 00.07 Mains "81 f<" loss protection activated EVT.1103 00.07 Mains "81 f>" loss protection activated EVT.1104 00.32 Protections 27 enabled. EVT.1105 00.32 Mains"27 U<...
  • Page 136 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 EVT.1203 00.63 Inhibition of the taking of load (for some GCB not opened) active. EVT.1204 00.63 Inhibition of the taking of load (for synchronisation on MCB) active. EVT.1205 00.63 Inhibition of the taking of load (for command by MC)
  • Page 137 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 EVT.1321 00.63 The number of gensets connected to the PMCB bus has changed EVT.1801 01.29 AFR enabled EVT.1802 01.29 AFR disabled EVT.1803 01.29 Error in AFR MAN/AUTO mode EVT.1804 01.29 AFR in AUTO mode...
  • Page 138 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • Mains/Busbar phase-to-phase voltages and frequency. • Genset phase-to-phase voltages and frequency. • The three phase currents. • The total (apparent, active and reactive) powers and the total power factor. The battery voltage.

  • Page 139: Pages For Analogues

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Page 3. It shows the L3- L1 phase-to-phase voltage of the generator, phase currents and total powers (kVA, kW, kvar). Page 4. It shows total power factor, battery voltage, engine rotation speed, lubricant pressure, coolant temperature and fuel level.

  • Page 140: Locked Recordings

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Use the UP and DOWN buttons to scroll cyclically trough all recordings. Each record has four pages available for information. By pressing LEFT and RIGHT keys it is possible to navigate on the four pages related to recording.

  • Page 141: Diagnostics Pages For External Devices Connected By Canbus (Dtc)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 intermittent “Locked” message. To unlock the recordings, it is necessary cancel all anomalies and set the board in MAN or AUTO. Diagnostics pages for external devices connected by Canbus (DTC) The controller stores the DTCs sent over the CAN-BUS CAN0 line by external devices (the engine control unit, the voltage regulator, the gas mixer).

  • Page 142: Exit From Archives Visualization

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Exit from archives visualization There are two ways to exit from archive visualization: Press the EXIT button 'n' times to scroll back to page H.01 • • Change the operating mode of the controller.

  • Page 143: Working Sequence

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9. Working sequence Operating modes The active work mode is always displayed in the status bar (bottom right). DST4602 provides for three main working modes: • OFF/RESET: DST4602 controls the opening of GCB switch and stops the engine. Where provided, it also controls the closing of MCB switch.
  • Page 144 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 These controls can be enabled by a digital input configured with DIF.2706 function - "Enable controls from the serial ports": if this input exists, it should be active. To change the working mode, it is necessary to write (within 5 seconds) the following Modbus registers in sequence: HOLDING REGISTER 101: enter the password configured with the parameter P.0004.
  • Page 145 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 to AUTO at the end of the time configured in P.0420 (if P.0420 is set to zero, the test is not carried out). If there is second activation of the input during the test, the test is immediately stopped.

  • Page 146: Events

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 By means of the digital input configured with the feature DIF.2032 (“remote start request”). In this case, it is necessary pay attention to the delay that is configured for the selected input: the board switches to REMOTE START when the input is active since the configured time, it comes back to MAN as soon as the input is deactivated.

  • Page 147: Plant Types

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • DOF.3001: the output is activated if the board is in OFF/RESET. • DOF.3002: the output is activated if the board is in MAN. • DOF.3003: the output is activated if the board is in AUTO. •...
  • Page 148 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 and in tolerance; in case of anomalies on the grid, the generators are disconnected from it (and from the loads), and eventually stopped. SPtM refers to plants composed of a single genset (where the controller directly manages the grid, including the functions necessary for the parallel with it).

  • Page 149: Mains Sensor / Parallel Bars

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • It is activated as a warning if there is at least one configured input, and previously it has been activated (so a valid plant has been selected, the controller continues to use it). It is activated as an alarm (shutdown) if, when the controller is switched on, no input is active •...

  • Page 150: Sensor For The Parallel Bars

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The board uses parameters to configure the sensor, regardless of its use for the mains or for the parallel bars: P.0105: rated frequency (Hz). • • P.0116: mains/bars nominal voltage Phase-to-phase rated voltage shall be set for three-phase systems;...

  • Page 151: Mains Sensor

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.3.2 Mains sensor Depending on the type of system, DST4602 may need to determine the status of the mains, for two reasons: • For systems that do emergency service to the mains, to control automatic starts and stops of the engine in the event of anomalies on the mains.

  • Page 152: Mains Status Acquired By The Internal Sensor

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 mains for the emergency service. This input is configured with DIF.3103 function ("External protections for the parallel with the mains"). The mains is considered to be "present and within tolerance" if the digital input is active (the delays configured with P.0205 and P.0206 parameters apply in this case - see 9.3.3).

  • Page 153: Voltages Check

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 If the frequency is within the bands “B” o “D”, previous status is maintained (hysteresis). For example, in case the voltage was within the “C” band and is now within the “D” band, it is anyway considered “In tolerance”.

  • Page 154: Unbalance Check

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 If the voltage is in the “B”, “D” or “F” bands, previous status is maintained (hysteresis). For example, if the voltage was in the “E” band and now it is in “D” band, it is considered however “In tolerance”. On the contrary, if voltage was in the “C”...

  • Page 155: Mains Global Status

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • In case none of the previous conditions occurs, global status is “Low”. 9.3.3 Mains global status What described in this paragraph shall not apply if the status of the mains is acquired via PMCB CAN- BUS or via one or more MC boards.

  • Page 156: Events

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.3.4 Events The board records the following events if the status of the mains changes (if enabled with the bit 1 of P.0441 parameter): • EVT.1010: the new status of the mains is steadily "not present or out of tolerance". •...

  • Page 157: Nominal Sizes

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.4.1 Nominal sizes Set the generator rated voltage in P.0102 parameter (Vac, set the phase-to-phase rated voltage on three-phase systems). Set the generator rated frequency in P.0105 parameter (Hz). Set the generator rated power in P.0106 parameter (kVA).

  • Page 158: Magnetization Resistances

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • Downwards towards maximum frequency threshold (i.e., with the default values of the parameters, between 1612.5 and 1650 rpm). These values define the following bands: A band: absent 105.0 B band: hysteresis 300.0...

  • Page 159: Power-Factor Capacitors

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • If GCB cannot be closed within three seconds, the board removes the control to close GCB, disconnects the resistances and waits P.0257 seconds. Then the sequence restarts from the beginning.

  • Page 160: Voltages

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 53.75 F band: hysteresis 55.00 G band: high If frequency is in "B", "D" or "F" brackets, it keeps the status it had before (hysteresis). For example, if the voltage was in the “E”...

  • Page 161: Overview

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 If the voltage is in the “B”, “D” or “F” bands, previous status is maintained (hysteresis). For example, if the voltage was in the “E” band and now it is in “D” band, it is considered however “In tolerance”. On the contrary, if voltage was in the “C”...

  • Page 162: Engine

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The following functions for the configuration of the digital outputs are related to the status of the generator: DOF.3032 (“Generator within tolerance”): the output is activated if the generator is steadily •...

  • Page 163: Engine Speed (Rpm)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.5.3 Engine speed (RPM) The board can perform a measurement of the engine rotation speed, to display it, optionally use it to diagnose the statuses of started/stopped engine, and optionally use it to manage a maximum speed protection (A018).

  • Page 164: Engine Running/Stopped Status Acknowledgement

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Anyway, it is possible to configure the analogue inputs from the board and from the expansion modules to acquire these measures. If the same measure is acquired by an analogue input and received by the ECU of the engine via CAN-BUS, the one acquired by the analogue inputs is used.
  • Page 165 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • Engine speed (RPM) The engine is considered to be in motion if the rotation speed is above P.0225 threshold ("Started engine threshold (rpm)"; it is considered stopped if the rotation speed is below P.0224 threshold ("Stopped engine threshold (rpm)").

  • Page 166: Engine Commands

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The engine is considered stopped if all the previous conditions are met (all the enabled ones) continuously for five seconds. 9.5.6 Engine commands The board can handle many digital outputs to control the engine. As follows, there is the list of functions for the configuration of digital outputs, with an acronym used below and a description: Function Acronym...

  • Page 167: Engine Preheating Control (Preheat)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Note: for electronic engines connected via CAN0 CAN-BUS to DST4602, many of these controls are managed directly through the CAN-BUS connection, and therefore it is not necessary to configure the outputs.

  • Page 168: Glow Plugs Pre-Heating Control (Glow_Plugs)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 If the digital input is configured to acquire "oil low pressure" (DIF.4222) when this input is not active. If no digital input is configured to acquire "oil low pressure", but the digital input to acquire the "oil low pressure"...

  • Page 169: Control To Enable The Engine Control Unit (Ecu_Enable)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • BATT1 output enabled, BATT2 output disabled. • 2-second wait (note 1). • First start-up attempt. • Pause …... • • Last start-up attempt. 2 seconds delay •...

  • Page 170: Command For The Starter (Start)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The ECU_ENABLE control should be used to give a consent to the starting of electronic control units of the engines. Lacking this consent, it is reflected in the shutdown of the fuel injection system: therefore, without this consent then the engine cannot start, but instead it will be stopped if it was running.

  • Page 171: Idle Speed Command (Idle)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The STOP control is activated at the beginning of the stopping cycle, at the same time when the ECU_ENABLE control is removed. The STOP control will remain active for the time set with P.0213 parameter ("Duration of the stop control").

  • Page 172: Manual Control Sequence

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 engine during the pre-ventilation phase (or others): MC, in fact, when it wants to start a generator, switches the related DST4602 to REMOTE START, where the requests for "inhibition to automatic intervention"...

  • Page 173: Automatic Command Sequence

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • With a command from serial port. By writing a value "3" in the HOLDING REGISTER 20 Modbus register. It is possible to control the stopping of the engine manually with a control through the serial •...

  • Page 174: Automatic Start-Up

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 This cycle is performed (if the GCB switch has been closed at least once since the engine was started and / or if the coolant temperature is higher than the threshold P.0271) in the following cases: The operator presses the STOP key on the keypad (or the stop command is sent ...

  • Page 175: Automatic Emergency Stop

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 If during the automatic operations the board closed GCB switch, it considers that the generator was heated by the load, and that it therefore needs to cool down before being stopped. Then a cooling cycle is performed.

  • Page 176: Signalling

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • EVT.1041: starting cycle in progress. • EVT.1042: the engine is running. • EVT.1043: cooling cycle in progress. • EVT.1044: stopping cycle in progress. EVT.1045: low speed cycle in progress. •...

  • Page 177: Fuel Pump

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 ST.037: low speed cycle ongoing. ST.038: delay before supplying ongoing. ST.039: engine: ready for power delivery. ST.040: cooling cycle ongoing. ST.041: stopping cycle ongoing. The following functions, for the configuration of analogue outputs, are linked to engine management. The outputs are managed based on an engine analogue value.

  • Page 178: Use With An Analogue Level Transducer

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • By changing P.0400 parameter (“fuel pump mode”). “E.04” page of DST4602 display is dedicated to the fuel pump. From this page it is possible to • change the pump functioning mode: Use the ENTER button.

  • Page 179: Level Evaluation

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • DIF.4213 (“High fuel level”): Input active if the level is above high-level threshold. The inputs configured through DIF.3301 and DIF.3302 functions are mandatory, the other three are optional.

  • Page 180: Events

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 DST4602 can anyway stop the pump (even if the previous logic would require its start) when the following conditions are present: In case anomalies activated by the digital inputs configured through the functions are active: •...

  • Page 181: Maintenance

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.5.14 Maintenance The board can automatically communicate to the operator the request to carry out engine periodic maintenance. This function is configurable with parameters P.0424 and P.0425. With P.0424, it is possible to set extra operation hours for maintenance service.

  • Page 182: Afr (Air Fuel Ratio)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.5.15 AFR (Air Fuel Ratio) This function is dedicated to gas engines. It manages a motorized valve (gas mixer) that regulates the percentages of air and gas introduced into the engine’s cylinders. You can use this function for: •...

  • Page 183: Correction Of The Mixer Position

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • If, on the other hand, the parameters that set the “basic” positions of the mixer are all left at zero, the adjustment PID will never be limited and will therefore be free to select any position of the mixer, to obtain the required AFR-IN value (in this case the parameter P.1357 is ignored).

  • Page 184: Ramps

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.5.15.6 Ramps In all working conditions with a supplied active power lower than the P.1333 threshold, the controller responds to changes in the mixer position setpoints by means of a ramp, to never command too violent movements.

  • Page 185: Engine Running Without Load (Gcb Open)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 This phase ends when the controller recognizes the engine running condition. During this phase, the "required" position of the mixer can be determined in two different ways: Fixed value.
  • Page 186 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • It is then possible to set a filter on the AFR-IN sensor. With parameter P.1371 it is possible to set a period (in seconds), within which the average of the AFR-IN sensor will be calculated, which will then be used in the logics.

  • Page 187: Afr-In Protection

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • DST4602 takes the measurement from the AFR-IN sensor and averages it with the period specified by P.1371. DST4602 measures the power supplied by the engine; it calculates the average and expresses •...

  • Page 188: Incoherent Parameters

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • Second threshold: P.1385: threshold (° C). P.1386: delay (s). P.1387: type of anomaly. The hysteresis configured with P.1381 is applied to the thresholds (P.1382 and P.1386). The first threshold can be used as a warning (P.1382 different from zero and P.1384 set to “1- warning”);...

  • Page 189: Use With An Analogue Level Measurement

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Three pump operating modes are available: • AUTO: the pump is started/stopped by the controller according to the level of the AdBlue fluid in the daily tank, with a hysteresis band that prevents continuous starts/stops. •...

  • Page 190: Use With A Contact Level Transducer

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.5.16.2 Use with a contact level transducer To use this function, you need to: • That the contact level transducer exists. • That the start and stop contacts are connected to two configurable inputs of the controller. Contacts must respect the following convention: Start contact (input with function DIF.3311): closed when the level is below the starting •...
  • Page 191 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • EVT.1072: pump activation. • EVT.1073: pump deactivation. Mecc Alte S.p.A. - Full or partial reproduction prohibited, if not authorized...

  • Page 192: Inhibition To Automatic Intervention

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Inhibition to automatic intervention In automatic mode, DST4602 determines, based on the type of system and the current conditions, whether to start the generator. In these conditions, it is possible to force the stopping of the generator by using the "inhibition to automatic intervention"...

  • Page 193: Inhibition Due To Mains Failure

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.6.4 Inhibition due to mains failure In systems that provide only the supplying in parallel with the mains (see [3]), should the mains fail, DST4602 would force the opening of GCB switch and, after a configurable waiting time (P.0899), it would activate the “inhibition to automatic intervention”...

  • Page 194: Inhibition To Taking Of Load

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Inhibition to taking of load In automatic mode, once the generator has been started, DST4602 normally always tries to close GCB switch. In these conditions, it is possible to force the opening of GCB switch by using the “inhibition to power load”...

  • Page 195: Inhibition Due To "Gcb Switch Not Open

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.7.4 Inhibition due to “GCB switch not open” In multiple generator parallel plants, a generator's GCB switch might not open when the generator is stopped. This is a hazardous situation, as the voltage from the other running generators 'drags' the alternator of the gen-set with “not open GCB”.

  • Page 196: Circuit Breakers Management

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Circuit breakers management DST4602 can control GCB switch. For systems composed of a single generator (P.0802 <= 4), it is also able to control MCB switch. On the contrary, it can’t control MGCB switch, if any. Anyway, DST4602 accepts that these switches could be controlled by external logics (steadily or temporarily).

  • Page 197: Digital Inputs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 open the breaker and enables it when it must close the breaker: the real closing command will be activated with at least 0.5 seconds after the enabling of this output. As a rule, a usually open contact should be used, so that with non-supplied board the under-voltage coil is de- energized and GCB switch opens.

  • Page 198: Temporary Override Of Switch Controls

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 9.8.2.2 Temporary override of switch controls It is possible to use some digital inputs to communicate to DST4602 that the control of one or both switches is temporarily managed by an external device (even if P.0854 and P.0855 parameters indicate that the switch is controlled by the board): •...
  • Page 199 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 On the contrary, in this paragraph, the way to send manual controls, for opening/closing switches, to the board is described. Using the controller buttons. • By means of MCB button, the operator can open/close MCB switch. It is always possible to open MCB (if the engine is stopped, it is necessary to hold the key for 5 seconds).

  • Page 200: Management Logic In Test

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 For a detailed sequence relevant to any single type of system, please refer to the document [3]. Warning: The P.0235 parameter determines what happens on the GCB circuit breaker when the operating mode turns from an automatic mode (AUTO, TEST or REMOTE START) to MAN: •...

  • Page 201: Events

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • ST.071 - "Impulse open command for GCB” • ST.072 - "Impulse close command for GCB” • ST.073 - "MCB under voltage coil command" • ST.074 - "Impulse open command for MCB” ST.075 - "Impulse close command for MCB”...

  • Page 202: Silence The Horn

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Up to version 00.78 (but even with higher versions if bit 0 of P.0249 is not activated), the controller follows these rules: • An alarm can be activated only if no other alarms are already active (there are some exceptions to this rule and will be underlined in the rest of the paragraph).

  • Page 203: Acknowledge The Anomaly

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • By pressing the ACK/TEST key on the board panel. This operation doesn't recognize the anomaly that, therefore, goes on flashing on the display. By a digital input configured with the function DIF.2002 (“Alarm acknowledgement •...

  • Page 204: Cancel The Anomaly

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 10.3 Cancel the anomaly An anomaly can be cancelled only when the cause that activated it is no more present. The controller automatically resets all the acknowledged warnings when their cause is no longer active.
  • Page 205 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • DOF.4005: the output will be activated if at least an early warning, a deactivation or an unload are active. DOF.4031: the output will be activated if at least an anomaly linked to the generator is active. •...
  • Page 206 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • 134 (“Maximum coolant temperature (from CAN-BUS)”). • 135 (“Minimum coolant level (from CAN-BUS)”). • 136 (“Low coolant level (from CAN-BUS)”). • 043 (“Low oil pressure (from contact)”). 044 (“Low oil pressure (from measure)”).
  • Page 207 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • 096: Magnetic pickup failure • DOF.4033: the output will be activated if at least an anomaly linked to the speed control is active. As follows is the list of anomalies that activate this output: •...

  • Page 208: Override Of Protections

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • ST.010: the output will be activated if at least a deactivation is active. • ST.011: the output will be activated if at least an alarm is active. •...

  • Page 209: Anomalies Connected To Digital Inputs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • DIF.4064 – “unload (subject to OVERRIDE)”. • DIF.4063 - “deactivation (subject to OVERRIDE)”. • DIF.4064 – “alarm (subject to override)”. As to protections activated through thresholds on analogue measures, it is possible to subject these anomalies to engine protections OVERRIDE (and to total OVERRIDE, too) through the bit 15 of the threshold configuration parameter (P.4005 for the first threshold on the first analogue input).

  • Page 210: Anomalies Connected To Analogue Inputs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 P.0216 (“engine protection masking time”). The board will activate these anomalies if the digital input is uninterruptedly active for the configured (P.2002) time span. The anomaly is subject to the engine protections OVERRIDE and to total OVERRIDE, too (see 10.5).

  • Page 211: Faults List

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Starting from version 00.79, these alarms can be activated if other alarms are still activated (see paragraph 10). 10.8 Faults list From this point on, words enabling and activation will be utilized: •...

  • Page 212: Maximum Generator Frequency

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Related parameters: P.0105 Rated frequency P.0305 Minimum frequency threshold P.0306 Minimum frequency delay P.0306=0 To disable: MAN, AUTO, TEST, REMOTE START Enabled in: The protection is enabled only with the engine in motion (active FUEL control) and, after that generator voltage and frequency have been considered “within tolerance".
  • Page 213 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Related parameters: P.0101 Number of generator phases P.0102 Generator rated voltage P.0106 Generator rated output P.0309 Maximum current threshold P.0310 Maximum current delay P.0323 Action on maximum current / short circuit P.0324 Protections enabling 50V-51V P.0310=0 To disable:...
  • Page 214 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Tempo intervento 1000 Tempo intervento I multiples The protection is enabled only with started engine (active FUEL control). It is disabled during the starting and stopping phase of the engine. The type can be configured through P.0323 parameter.

  • Page 215: Manual Stop While In Auto

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • If the generator voltage is between 20% and 80% of the rated, the current threshold is reduced in percentage. Current threshold reduction 120% 100% 100% 120% Generator voltage (% nom) 07 –...

  • Page 216: Genset Not Available

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 To disable: P.0314=0 Enabled in: MAN, AUTO, TEST, REMOTE START The protection is enabled only with started engine (active FUEL control). It is disabled during the starting and stopping phase of the engine. It is disabled if currents aren't associated to the generator (current transformers on users and GCB switch open).

  • Page 217: Maximum Current (From Contact)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The protection will be enabled if the board receives the feedback from GCB switch (DIF.3001 function in P.2001 parameter or equivalent) and if the delay associated to the input is different from 0 (P.2002 or equivalent).

  • Page 218: Maximum Speed From (From Contact)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • If the generator voltage is less or equal to 20% of the rated, the current threshold becomes 20% of the one set. • If the generator voltage is between 20% and 80% of the rated, the current threshold is reduced in percentage.

  • Page 219: High Battery Voltage - 2Nd Threshold (From Measure)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 It will be activated if the measured frequency stays above P.0331 threshold (percentage of P.0105) uninterruptedly for P.0332 time span. Note: this anomaly can be activated also with an already active alarm. 20 –...

  • Page 220: Genset Circuit Breaker (Gcb) Not Open

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The protection will be enabled if the board receives the feedback from MCB switch (DIF.3002 function in P.2001 parameter or equivalent) and if the delay associated to the input is different from 0 (P.2002 or equivalent).

  • Page 221: Minimum Fuel Level (From Contact)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 and the engine must be stopped (alarms/deactivations/unloads, controller in OFF/RESET mode, etc.). Obviously, it makes sense for systems that support parallel to the grid (even transitory). 0: with this value the loads are safeguarded. If the GCB fails to open due to alarms (therefore •...

  • Page 222: Low Fuel Level (From Analogue Sensor)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 28 – Low fuel level (from analogue sensor) Warning Type: Related parameters: P.0345 Fuel minimum level threshold (%) P.0346 Fuel level minimum delay P.0346=0 To disable: Enabled in: MAN, AUTO, TEST, REMOTE START The protection will be enabled if the board gets the fuel level measure (AIF.1220 or AIF.1221 functions in P.4001 parameter or equivalent ones).

  • Page 223: High Coolant Temperature (Analogue Sensor)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 It will be enabled if, according to the previous conditions, the input that acquires the external contact (DIF.4231 function in P.2001 parameter or equivalent ones) remains active, uninterruptedly for the configured time span (P.2002 or equivalent ones).

  • Page 224: Maximum Oil Temperature (From Measure)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 It will be enabled if, according to the previous conditions, the temperature measure stays above P.0337 threshold uninterruptedly for P.0338 time span. 35 – Maximum oil temperature (from measure) Type: Alarm Related parameters: P.4001 Feature of the input 1 or equivalent for the other inputs.

  • Page 225: High Battery Voltage

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 38 – High battery voltage – 1 threshold (from measure) Warning Type: Related parameters: P.0364 Second threshold for battery high voltage (%) P.0365 Delay for second threshold for battery high voltage P.365=0 To disable: Enabled in:...

  • Page 226: Minimum Oil Pressure (From Contact)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 freighter of generators when entering into contract by the hour, to be able to stop the engine when agreed hours have elapsed. Cycle duration can be set with parameter P.0436. 41 –...

  • Page 227: Low Oil Pressure (From Measure)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 44 – Low oil pressure (from measure) Warning Type: Related parameters: P.4001 Feature of the input 1 or equivalent for the other inputs. P.0216 Engine protections mask time P.0339 High coolant temperature threshold P.0340 High coolant temperature delay P.0700 Engine type...

  • Page 228: Maximum Power

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 It will be activated if, according to the previous conditions, the input that acquires the external contact (DIF.4232 function in P.2001 parameter or equivalent ones) remains idle, uninterruptedly for the configured time span (P.2002 or equivalent).

  • Page 229: Generator Voltages Unbalance

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The protection is always enabled. It activates if the internal controller temperature is over the threshold P.0366, even for an instant. 52 – Generator voltages unbalance Type: Alarm Related parameters: P.0101 Generator number of phases P.0102: Rated generator voltage.

  • Page 230: Wrong Phases Sequence

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The protection will be enabled if the board acquires the lubricating oil temperature measure (see 9.5.4). The protection is enabled after P.0216 ("engine protection masking time") from the starting of the engine.

  • Page 231: Low Generator Frequency

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 To disable: Set the clock. Enabled in: MAN, AUTO, TEST, REMOTE START The protection is always enabled. It is activated if the controller recognizes the clock status as not valid and the functions related to the clock, such as the weekly test (P.0418 and.0420), the time to enable operations (P.0421, P.0422, P.0423), the time to force intervention (P.0426, P.0427 and.0428) or configurable calendars *P.1900…P.1964( have been configured.

  • Page 232: Loss Of Excitation

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 To disable: P.0398=0 Enabled in: MAN, AUTO, TEST, REMOTE START The protection is enabled only with started engine (active FUEL control). It is disabled during the starting and stopping phase of the engine. It will be activated if frequency goes over P.0397 threshold (percentage of P.0105) uninterruptedly for P.0398 time span.

  • Page 233: Adblue Fluid Pump Failure

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Related parameters: P.4001 Feature of the input 1 or equivalent for the other inputs. P.0353 Coolant low temperature threshold P.0354 Coolant low temperature delay P.0700 Type of engine To disable: P.0354 = 0 Enabled in:...

  • Page 234: Communication Failure With The Ecu

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Related parameters: P.1700 Voltage regulator (AVR) type P.1706 Communication timeout with AVR (s) P.1707 Action for communication failure with AVR To disable: P.1706 = 0 Enabled in: MAN, AUTO, TEST, REMOTE START It’s enabled only if the CAN-BUS connection to the automatic voltage regulator is configured (P.1700).

  • Page 235: Maximum Exported Reactive Power

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Related parameters: P.0700 Engine type P.0704 Can-Bus anomalies disable mask To disable: bit 11 of P.0704 on Enabled in: MAN, AUTO, TEST, REMOTE START The protection is enabled if the CAN-BUS is activated (P.0700). It will be activated when the electronic control unit of the engine reports the anomaly on the CAN- BUS.

  • Page 236: Maximum Coolant Temperature (From Can-Bus 0)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 134 – Maximum coolant temperature (from CAN-BUS 0) Alarm Type: Related parameters: P.0700 Engine type P.0704 Can-Bus anomalies disable mask bit 5 of P.704 on To disable: Enabled in: MAN, AUTO, TEST, REMOTE START The protection is enabled if the CAN-BUS is activated (P.0700).

  • Page 237: Minimum Oil Pressure (From Can-Bus 0)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 It will be activated when the electronic control unit of the engine reports the anomaly on the CAN- BUS. 142 – Minimum oil pressure (from CAN-BUS 0) Type: Alarm Related parameters: P.0700 Engine type...

  • Page 238: Water In Fuel (From Can-Bus 0)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 It will be activated when the electronic control unit of the engine reports the anomaly on the CAN- BUS. 160 – Water in fuel (from CAN-BUS 0) Type: Warning Related parameters: P.0700 Engine type...

  • Page 239: Can-Bus 1 (Pmcb) Addresses Conflict

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The protection is enabled if the CAN-BUS is activated (P.0800). It activates if the internal CAN controller switches to BUS-OFF status due to bus communication errors. 201 – CAN-BUS 1 (PMCB) addresses conflict Type: Warning Related parameters: P.0800 PMCB bus mode...

  • Page 240: Failure To Close Necb Switch

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • P.0327 = 2. In this case, the default phase sequence is the counter clockwise one. For the calculation of the negative sequence, a 240° angle is added to L2 phase vector, a 120° angle is added to L3 phase vector.

  • Page 241: Maximum Time In Parallel To The Grid

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 This anomaly is available from the review 00.63. It is enabled only if the genset is running in parallel with other gensets (also during the multiple back-synchronization) or if the genset is in parallel with the mains.

  • Page 242: Afr: Regulation Error

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 It is activated if the temperature of the air/gas mixture remains above the threshold P.1385 for the time P.1386. Parameter P.1387 configures the anomaly as unload, deactivation or alarm. Parameter P.1381 configures the hysteresis applied to the threshold P.1385.

  • Page 243: Faulty Canbus 2 (Exbus) Connection

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • The methane percentage measurement is not available (but is required). • The thresholds relative to the position of the mixer with respect to the percentage of methane are inverted.

  • Page 244: Can-Bus 2 (Exbus) Duplicate Address

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 254 – CAN-BUS 2 (EXBUS) duplicate address Warning Type: Related parameters: P.0141 Number of DITEL modules P.0142 Number of DITEMP modules P.0143 Number of DIVIT modules P.0144 Number of DANOUT modules To disable: Enabled in: MAN, AUTO, TEST, REMOTE START...

  • Page 245: Incoherent Parameters

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Enabled in: AUTO, TEST, REMOTE START This protection is enabled only if plant configuration (P.0802, P.0855) allows the MCB breaker synchronization. It activates when the MCB breaker does not close within the time set with P.0853 since synchronization start.

  • Page 246: Inconsistent Bar Voltage

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Enabled in: MAN, AUTO, TEST, REMOTE START This anomaly is forced by the controller MC when an anomaly must be signalled also to the generators control controllers (the MC controller display will show the actual anomaly). 279 –...

  • Page 247: Maximum Active Power (32P) By D-Pro Relay #1

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 563 – Maximum active power (32P) by D-PRO relay #1 Configurable as Alarm (bit 2 of P.0604=1), Deactivation (bit 2 of P.0603=1), Type: Unload (bit 2 of P.0602=1), Warning (bit 2 of P.0604=1) Related parameters: P.0145 Number of D-PRO modules Act on D-PRO relay or set bit 2 of all parameters P.0601, P.0602, P.0603, To disable:...

  • Page 248: Short Circuit On Neutral (50N) By D-Pro Relay #1

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The protection is always enabled. See the technical manual of the D-PRO protection relay. 568 – Short circuit on neutral (50N) by D-PRO relay #1 Type: Configurable as Alarm (bit 7 of P.0604=1), Deactivation (bit 7 of P.0603=1), Unload (bit 7 of P.0602=1), Warning (bit 7 of P.0604=1) Related parameters: P.0145 Number of D-PRO modules To disable:...

  • Page 249: Maximum Current (59) By D-Pro Relay #1

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Enabled in: MAN, AUTO, TEST, REMOTE START The protection is always enabled. See the technical manual of the D-PRO protection relay. 573 – Maximum current (59) by D-PRO relay #1 Type: Configurable as Alarm (bit 12 of P.0604=1), Deactivation (bit 12 of P.0603=1), Unload (bit 12 of P.0602=1), Warning (bit 12 of P.0604=1)

  • Page 250: Maximum Transformer Differential Current (87T) By D-Pro Relay #1

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Related parameters: P.0145 Number of D-PRO modules To disable: Act on D-PRO relay or set bit 16 of all parameters P.0601, P.0602, P.0603, P.0604 to zero Enabled in: MAN, AUTO, TEST, REMOTE START The protection is always enabled.

  • Page 251: Minimum Voltage (27) By D-Pro Relay #2

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The protection is always enabled. See the technical manual of the D-PRO protection relay. 585 – Minimum voltage (27) by D-PRO relay #2 Type: Configurable as Alarm (bit 0 of P.0608=1), Deactivation (bit 0 of P.0607=1), Unload (bit 0 of P.0606=1), Warning (bit 0 of P.0605=1) Related parameters: P.0145 Number of D-PRO modules To disable:...

  • Page 252: Wrong Phase Sequence (47) By D-Pro Relay #2

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Enabled in: MAN, AUTO, TEST, REMOTE START The protection is always enabled. See the technical manual of the D-PRO protection relay. 590 – Wrong phase sequence (47) by D-PRO relay #2 Type: Configurable as Alarm (bit 5 of P.0608=1), Deactivation (bit 5 of P.0607=1), Unload (bit 5 of P.0606=1), Warning (bit 5 of P.0605=1)

  • Page 253: Maximum Current On Neutral (51N) By D-Pro Relay #2

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 To disable: Act on D-PRO relay or set bit 9 of all parameters P.0605, P.0606, P.0607, P.0608 to zero Enabled in: MAN, AUTO, TEST, REMOTE START The protection is always enabled. See the technical manual of the D-PRO protection relay. 595 –...

  • Page 254: Maximum Frequency (81O) By D-Pro Relay #2

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Related parameters: P.0145 Number of D-PRO modules To disable: Act on D-PRO relay or set bit 14 of all parameters P.0605, P.0606, P.0607, P.0608 to zero Enabled in: MAN, AUTO, TEST, REMOTE START The protection is always enabled.

  • Page 255: Reactive Power Reverse / Loss Of Excitation (32Rq/40) By D-Pro Relay #2

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 604 – Reactive power reverse / Loss of excitation (32RQ/40) by D- PRO relay #2 Type: Configurable as Alarm (bit 19 of P.0608=1), Deactivation (bit 19 of P.0607=1), Unload (bit 19 of P.0606=1), Warning (bit 19 of P.0605=1) Related parameters: P.0145 Number of D-PRO modules To disable:...

  • Page 256: Generic Anomalies Linked To Analogue Inputs

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 On S.02 page, by selecting this early warning, the board shows additional information to help solving the problem. 301...552 - Generic anomalies linked to analogue inputs See 10.6. 685...886 - Generic anomalies linked to digital inputs See 10.7.

  • Page 257: Other Functions

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 11. Other functions 11.1 PLC logic The DST4602 controller is equipped with a PLC environment (acronym for “Programmable Logic Controller”) that carries out a sequence of functions previously stored in a proper Flash memory. Use “Mecc Alte PlcEditor”...

  • Page 258: Engine Test Start-Up Weekly Planning

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The controller registers the events “EVT.1086 - Daylight Save Time activated” and “EVT.1087 - Daylight Save Time deactivated” twice a year, based on P.0409 value. The “Daylight Save Time” condition is available for PLC and AND/OR logics by means internal status ST.127.

  • Page 259: Weekly Planning Of Intervention Forcing

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Monday Tuesday Wednesday Thursday Friday Saturday P.0422: allows to configure the start of the time interval during which the engine can start • automatically (in hours and minutes). P.0423: allows to configure the end of the time interval during which the engine can start •...

  • Page 260: Configurable Calendars

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 11.2.5 Configurable calendars The controller provides 16 calendars fully configurable. They allow to select days and time-slots, inside which the controller activates an internal bit, available by means internal statuses ST.224…ST.239. This bit could then be used by AND/OR logics to activate a digital output or to create more complex logics.
  • Page 261 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 0020 Calendar 6 0040 Calendar 7 0080 Calendar 8 0100 Calendar 9 0200 Calendar 10 1024 0400 Calendar 11 2048 0800 Calendar 12 4096 1000 Calendar 13 8192 2000 Calendar 14...
  • Page 262 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 00000100 00000200 1024 00000400 2048 00000800 4096 00001000 8192 00002000 16384 00004000 32768 00008000 65536 000100000 131072 00020000 262144 00040000 524288 00080000 1048576 00100000 2097152 00200000 4194304 00400000 8388608 00800000...
  • Page 263 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 00000008 Forth occurrence 00000010 Last occurrence The parameter must be set with the sum of the values of the required occurrences (in hexadecimal notation). Note: for “weekly” calendars, the days of week and their occurrences in the month are selected by the same parameter, using different bits.

  • Page 264: Configurable Timers

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • Calendar 16. Select “weekly” (bit 15 of P.1900 = “1”). Last Sunday of March: Select “March” (P.1961 = “0004”).  Select “Sunday”, “Last” (P.1962 = “00010010”). ...
  • Page 265 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Moreover, each timer provides the following five parameters (the list refers to the timer 1): • P.2901: function of the timer 1. • P.2902: Activation delay format for the timer 1. P.2903: Activation delay for the timer 1.

  • Page 266: Thermometer

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 The internal bit is reset while the “reset condition” is true. The internal bit is set with the delay P.2902 – P.2903 from when the “activation condition” becomes true. The internal bit is reset with the delay P.2904 –...

  • Page 267: Serial Number

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • At very low temperatures information display slows down. By utilizing the thermometer, when the temperature falls under a very low threshold, the board keeps always the backlighting lamp on, that contributes to heat the display and therefore to increase its efficiency.

  • Page 268: Counters Reset

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 Almost all these counters and meters are displayed on the controller's front panel (only the total supply time counter is not displayed). However, all can be read via the serial port (with the Modbus protocol).

  • Page 269: Low Power

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 This function allows to monitor the trend of the active power to diagnose: • A low-power condition. A high-power condition, to disconnect part of the loads, if needed. •...

  • Page 270: Ejp Function

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 11.9 EJP function Warning: DST4602 is not able to receive EJP information directly from the mains. To use this function an external detector must be used. This detector must provide two output signals coherent with said function.

  • Page 271: Unit Of Measure

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 11.10 Unit of measure DST4602 allows personalizing the most common standards of measurement, by selecting them in a list of available ones. The following parameters allow personalization: •...

  • Page 272: Voltage Regulator (Avr)

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • By setting P.0703 to a value between "2" and "90", DST4602 also transmits all the commands provided by the ECU with the exception of the speed regulation command. By setting P.0703 to a value between “91”...

  • Page 273: Ht-Af1000/Af2000

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 11.11.3 HT-AF1000/AF2000 It is possible to select “HT-AF1000LS” and “HT-AF2000” engines through parameter P.0700 (up to version 00.88) of P.0750 (from version 00.89). It is a special management, carried out on a single customer's specification.

  • Page 274: Support For Redundancy

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 But it is necessary to make a statement as to DIVIT modules. They can measure any quantity: it is necessary to convert performed measurement (Volt or mA) into the actual standard of the measured quantity.

  • Page 275: Active Power Derating Function Of The Engine

    Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 configurable duration: elapsed this time, MCB switch should be opened. At the end of the time slot, DST4602 puts back the group in parallel with the mains, transfers users' power from the generator to the mains, opens GCB switch and stops the generator.
  • Page 276 Controller DST4602 Technical Manual ENGLISH Code: EAAM039130EN DST4602 Rev. 33 | Date: 03/03/2023 • P.1284-P.1288-P.1292-P.1296: a bit parameter with options necessary to configure the operation of the power reduction: bit 0 = 1: specifies whether the power reduction value is a percentage of the nominal power P.0125 (otherwise it is a percentage of the active power supplied at the instant of activation of the request).
  • Page 277 DST4602 Technical Manual This Page Intentionally Left Blank ENGLISH Code: EAAM039130EN Rev. 33 | Date: 03/03/2023 Mecc Alte S.p.A. - Full or partial reproduction prohibited, if not authorized...
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