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Mect MPNE1001 Series User Manual

Modbus rtu interface
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Inputs/outputs modules: MPNE
Mect Srl
User Manual
MPNE1001 series
Modbus RTU interface
MANUALE D'USO
ME7087_13
04/21

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Summary of Contents for Mect MPNE1001 Series

  • Page 1 Inputs/outputs modules: MPNE Mect Srl User Manual MPNE1001 series Modbus RTU interface MANUALE D’USO ME7087_13 04/21...
  • Page 2 Inputs/outputs modules: MPNE Mect Srl ME7087_13 04/21...
  • Page 3 Inputs/outputs modules: MPNE Mect Srl INDEX Introduction ......................4 1.1 Staff qualification ..................... 4 1.2 Symbols......................4 1.3 Nomenclature ....................4 1.4 Security ......................5 Hardware features ....................6 2.1 System description .................... 6 2.2 Features ......................7 2.2.1 BASE inputs / outputs electric features ..........7 EXPANSION digital inputs electric features –...
  • Page 4 Inputs/outputs modules: MPNE Mect Srl 3.4.3 Digital inputs connection ..............17 3.4.4 Base + expansion digital outputs connection ........18 3.4.5 Digital outputs connection ..............18 3.4.6 Base + expansion analogue inputs / outputs connection ......19 3.4.7 Analog inputs / output connection ............19 3.4.8...
  • Page 5 PLCs, or technician specialized in the use of electrical device for automation. MECT S.r.l declines any responsibility for malfunctions or damages caused by improper use of MECT devices, due to the non-compliance with information in this manual. In MECT S.r.l there is an help desk service. 1.2 Symbols Danger Follow these advices to avoid people injury.
  • Page 6 Inputs/outputs modules: MPNE Mect Srl 1.4 Security Attention Switch off devices before connecting them . Attention MPNE1001 must be mounted inside cabinet or electrical switchboards whose access must be performed by qualified personnel. ESD (Electrostatic discharge) Modules have electronic components that can be damaged by electrostatic discharge.
  • Page 7 Inputs/outputs modules: MPNE Mect Srl Hardware features 2.1 System description The MPNE1001 is a RTU Modbus bus coupler device, the RS485 ModBus / RTU slave interface allows the MPNE1001 to communicate with an operator panel or a PLC. MPNE1001 is a modular device consisting of a base plus one or two expansions to obtain different configurations of inputs and outputs.
  • Page 8 Inputs/outputs modules: MPNE Mect Srl Features Mechanics Power supply 24Vdc +/-15% 3W 80 x 60 x120mm (4 DIN modules) Base dimensions W x H x L 80 x 80 x 120mm (4 DIN modules) Base + expansions dimensions W x H x L...
  • Page 9 Inputs/outputs modules: MPNE Mect Srl Encoder max frequency 2 of the 8 inputs (In9 40kHz input and In10) are used as inputs for encoder 2.2.2 EXPANSION digital inputs electric features – CODE 01 Line type Resolution Note Digital Modbus cycle...
  • Page 10 Inputs/outputs modules: MPNE Mect Srl 2.2.5 EXPANSION digital outputs electric features – CODE 06 (PRELIMINARY) Line type Resolution Note Max 500mA for each Digital Modbus cycle output. max 4A outputs time totally. Current input of Current read High side 0 – 3 A...
  • Page 11 Inputs/outputs modules: MPNE Mect Srl To the basic board, which includes 8 digital PNP inputs plus 8 digital PNP lines configurable as inputs or outputs, two expansion modules can be added at choice between: 1) 8 digital PNP inputs module – CODICE 01 2) 8 digital PNP outputs module –...
  • Page 12 Inputs/outputs modules: MPNE Mect Srl Models Given the available modules, the models that can be realised are the following: 8 fixed digital inputs MPNE10 BASE Version 8 configurable digital I/O 8 digital inputs 8 digital outputs 2 analog inputs 1 analog output...
  • Page 13 Inputs/outputs modules: MPNE Mect Srl Installation 3.2.1 Distances The system must be installed in a way that there is enough space for heat dissipation and cabling. Avoid cables superimposition to prevent EMC problems. MPNE1001 Wiring 3.3.1 Isolation On MPNE1001 there is not galvanic isolation between the main power supply and the internal communication bus.
  • Page 14 Inputs/outputs modules: MPNE Mect Srl 3.3.2 System power supply Il MPNE1001 requires a 24VDC (+/-15% ) power supply as shown in the figure. The system is protected from the power supply polarity inversion. Before turning on the device configure the Modbus setting, see chapter: Modbus parameters configurations.
  • Page 15 Inputs/outputs modules: MPNE Mect Srl 3.3.3 Digital outputs power supply The digital outputs of the MPNE1001 are powered separately (24Vpot) from the circuit electronics so that they can be cut off from the emergency chain without disconnecting the low power part. The digital outputs can provide up to 2A maximum current at 24V (for CODE 02) and up to 4A maximum current at 24V (for CODE 06).
  • Page 16 Inputs/outputs modules: MPNE Mect Srl 3.3.5 Grounding The DIN rail on which are mounted the MPNE1001 and the terminals must be carefully grounded in order to increase the rejection of electromagnetic disturbances. 3.3.6 Cable screen To make the system less sensible to disturbances , the connection cable between the operator panel and the MPNE1001 should be screened and connected to both devices GND.
  • Page 17 Inputs/outputs modules: MPNE Mect Srl 3.4.1.1 Base connection - encoder Bidirectional encoder Mono directional encoder Fig.:Mono directional encoder connection Connect to the input “In10” count (Clock) while in the input “In9” the direction: • In9 = 0 counter UP • In9 = 1 (24V) counter down...
  • Page 18 Inputs/outputs modules: MPNE Mect Srl 3.4.2 Base + expansion digital inputs connection On each base there can be at most two expansions in combination between digital inputs, digital and analog outputs. As far as the digital inputs are concerned, the pinout is as follows: Fig.: Connection of the base + digital inputs (Expansion boards)
  • Page 19 Inputs/outputs modules: MPNE Mect Srl 3.4.4 Base + expansion digital outputs connection On each base there can be at most two expansions in combination between digital inputs, digital and analog outputs. If the expansions are of digital type , you obtain the following pinout: Fig.: Connection of the base + digital outputs (Expansion boards)
  • Page 20 Inputs/outputs modules: MPNE Mect Srl 3.4.6 Base + expansion analogue inputs / outputs connection On each base there can be at most two expansions in combination between digital inputs, digital and analog outputs. If the expansions are of analog type , you obtain the following pinout: Fig.: Connection of the base + analog inputs / output (Expansion boards)
  • Page 21 Inputs/outputs modules: MPNE Mect Srl mA/V Input. Analogue inputs 4÷20mA and 0÷10V are connected to input and GND terminals. See figure connect wire transducer with external power supply. mA/V Output. Analog ouput 4÷20mA or 0÷10V is connected to output and GND terminals.
  • Page 22 Inputs/outputs modules: MPNE Mect Srl Modbus Modbus parameters configurations The 8th position dip-switch is used to change the baud rate, the address on the MPNE1001 and the stop and parity bit. Fig.: Modbus parameters configuration 4.1.1 Address (ID module) The address is set using switches 3 to 8, so the valid addresses are 1 to 63.
  • Page 23 Inputs/outputs modules: MPNE Mect Srl 4.1.2 Baud Rate settings On the MPNE1001 you can set 4 different baud rates. The baud rate is set via the DIP switch 1 to 2. The permitted baud rate values are shown in the following table.
  • Page 24 Inputs/outputs modules: MPNE Mect Srl The parity programming is done by setting: Dip settings configuration No parity Even parity Odd parity To save the configured value, bits S1 and S2 must be set to OFF. As long as dips 3 to 8 are at 0, the LED RUN and LINK indicate the current parity configuration according to the following table, shown as below for the first 5 seconds.
  • Page 25 Inputs/outputs modules: MPNE Mect Srl As long as dips 3 to 8 are at 0, the leds LED RUN e LINK indicate the current stop configuration according to the following table, shown as below for the first 5 seconds. Configuration...
  • Page 26 Inputs/outputs modules: MPNE Mect Srl 4.2.1 Installation example TPAC1007 / TP1043 This section describes an example for the commissioning of a system composed of:  MPNE1001  Master Modbus (TPAC1007 / TP1043) Fig.: Modbus connection 4.2.2 Installation example TPAC1008 / TP1070 This section describes an example for the commissioning of a system composed of: ...
  • Page 27 Inputs/outputs modules: MPNE Mect Srl 4.2.3 Terminating resistence The two-position dip switch on the top of the unit inserts a 120 Ohm resistor on the RS485 line. Put both mini-dips to ON. Enter termination resistance only to the last device in the Modbus chain.
  • Page 28 Inputs/outputs modules: MPNE Mect Srl Bit 8..11 expansion 2 present Bit 12..15 type of expansion 2 MPNE_SN UDINT [RO] Serial number of BASE BOARD MPNE_LifeTime UDINT [RO] Lifetime 1s power on time MPNE MPNE_Status UINT [RO] MPNE communication status register...
  • Page 29 Inputs/outputs modules: MPNE Mect Srl 1: overflow 2: opened probe MPNE_Reg_1 UINT [RW] Riserved MPNE_Reg_2 UINT [RW] Riserved MPNE_Reg_3 UINT [RW] Riserved MPNE_Reg_4 UINT [RW] Riserved MPNE_StatusWord UINT [RW] Special functions status register lines A,B,C,D MPNE_Watchdog UINT [RW] Watchdog register...
  • Page 30 Inputs/outputs modules: MPNE Mect Srl Special function line A – MPNE_FastOutDelay_A UINT [RW] Fast output delay Special function line A – MPNE_FastOutDuration_A UINT [RW] Fast output duration MPNE_EncCounter_A DINT [RW] Special function line A - Encoder Counter MPNE_MatchRegister_A DINT [RW]...
  • Page 31 Inputs/outputs modules: MPNE Mect Srl MPNE_PTORampDown_C UINT [RW] Special function line C - PTO [s] Deceleration MPNE_ControlWord_D UINT [RW] Special function line D control register (see paragraph special functions) Special function line D – MPNE_FastInDelay_D UINT [RW] Fast input delay Special function line D –...
  • Page 32 Inputs/outputs modules: MPNE Mect Srl  3 = TCJ (J type thermocouple)  4 = TCK (K type thermocouple)  5 = TCT (T type thermocouple)  6 = PT100E (1 digit Resolution) range: -40 +800°C  7 = PT100R (0.1 digit Resolution) range: -40 +200°C...
  • Page 33 Inputs/outputs modules: MPNE Mect Srl MPNE_PWM_OUT24_ UINT [RW] Duty Cycle for configured channels OUT23_DC such as PWM Bit 0..7 –HEX Duty Cycle – output 23 Bit 8..15–HEX Duty Cycle – output 24 MPNE_ShuntExp1 UINT [RO] Value in A x100. Current measured in...
  • Page 34 Inputs/outputs modules: MPNE Mect Srl Special functions There are some I/O in the device that can be managed with a more advanced logic than the simple use as inputs and outputs. In particular, they are present:  PTO outputs  Encoder inputs ...
  • Page 35 Inputs/outputs modules: MPNE Mect Srl B,C,D min: 1ms max: 65s Res.: 1ms Acc.: 1ms Monostable output The output goes ON with a delay with delayed with respect to respect to the arrival of the associated min: 100µs the input input and remains ON for the set time...
  • Page 36 Inputs/outputs modules: MPNE Mect Srl 5.1.2 Variables For each special line there is a group of variables that sets its operation Variable Name Type Description MPNE_ControlWord_A UINT Variable for control of special functions. LINE: A 0 PTO managed 1 Fast In managed...
  • Page 37 Inputs/outputs modules: MPNE Mect Srl 12 Update Fast Input 14 Update Fast OUT 1 = Bit Set 0 = Bit Reset To set bit 1 (Fast In managed) write: MPNE_ControlWord_B := 16#8002; To reset bit 2 (Fast OUT managed) write: MPNE_ControlWord_B := 16#0004;...
  • Page 38 Inputs/outputs modules: MPNE Mect Srl MPNE_ PTOTargetFreq _x UINT PTO Frequency expressed in Hz ( max value 65kHz) MPNE_PTO_Steps_x UDINT Number of steps that the PTO will emit MPNE_PTO_RampUp_A UINT N.A. MPNE_PTO_RampDown_x UINT N.A. MPNE_StatusWord UINT Reading PTO status Variables , 4 bit for...
  • Page 39 The management of Fast IOs, PTOs and encoders is done by setting the ControlWord register (CW) and the bits are shown in the table. From the PLC point of view, the programmer can use free MECT-provided libraries, on demand, or make the following settings:...
  • Page 40 Inputs/outputs modules: MPNE Mect Srl When parameters change, the function must be re-armed by rewriting the CW Fast Output Management To manage the fast I/Os, the programmer must set the CW for the following function: Description Fast OUT disabled. MPNE_ControlWord_A := 16#4004;...
  • Page 41 Inputs/outputs modules: MPNE Mect Srl ENCODER Management To manage the encoder, the programmer must set the CW for the following function: Description Disabled Encoder (paused reading): MPNE_ControlWord_A := 16#0808; Unidirectional Counter: MPNE_ControlWord_A := 16#8908; Bidirectional Encoder: MPNE_ControlWord_A := 16#8808; The OUT 1 is activated when the...
  • Page 42 Inputs/outputs modules: MPNE Mect Srl Module 06 Functions (PRELIMINARY) Module 06 provides in some of its lines the possibility to implement special functions. 5.2.1 Monostable outputs All 06 expansion module lines can be configured as monostable outputs. Configuration is done through the registers:...
  • Page 43 Inputs/outputs modules: MPNE Mect Srl MPNE_ExpDigitalOutConfig25_32 Standard Monostable output output 0% - 100% Line 25 Bit 0 Line 25 Bit 1 Line 26 Bit 0 Line 26 Bit 1 Line 27 Bit 0 Line 27 Bit 1 Line 28 Bit 0...
  • Page 44 Inputs/outputs modules: MPNE Mect Srl 5.2.3 Using lines as PWM Lines 22, 23, 24, 30, 31 and 32 can be configured as PWM. There are two possible PWM configurations, one with 50% duty-cycle and the other with a configurable duty-cycle between 0 and 100%.
  • Page 45 Inputs/outputs modules: MPNE Mect Srl 6 Status led Under operating conditions, the status of the MPNE1001 is indicated by the LEDs on the device. Signification Indicates the presence of the supply LED On voltage Blinks with each modbus LED RUN...