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Presys PROFI BUS DMY-2015-PB Technical Manual

Digital multi-point indicator energy
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Digital Multi-Point
Indicator
DMY-2015-PB
Energy
TECHNICAL MANUAL
EM0326-00

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Summary of Contents for Presys PROFI BUS DMY-2015-PB

  • Page 1 Digital Multi-Point Indicator DMY-2015-PB Energy TECHNICAL MANUAL EM0326-00...
  • Page 2 CAUTION! In case of failure, the instrument can provide AC voltage levels in its metal box, which for safety reasons must always be connected to an effective ground point. To this end a suitable terminal is provided on the back of the box identified as GND. Never connect this terminal to the neutral terminal of power supply.

  • Page 3: Table Of Contents

    PRESYS  Instruments DMY-2015-PB-Energy Table of Contents 1.0 - Introduction ......................1 1.1 - Description ......................1 1.2 - Order Code ......................2 1.3 - Technical Specifications ..................3 2.0 - Installation ......................5 2.1 - Mechanical Installation ..................5 2.2 - Electrical Installation .....................

  • Page 4: Introduction

    DMY-2015-PB-Energy 1.0 - Introduction 1.1 - Description PRESYS Digital Multi-Point Indicator DMY-2015-PB-Energy is ideal for security applications in turbines, hydroelectric plants and thermoelectric generators. It is a microprocessor-based instrument with up to 8 inputs for monitoring RTD sensors. It has non-volatile internal memory (E2PROM) to store calibration values.

  • Page 5: Order Code

    PRESYS  Instruments DMY-2015-PB-Energy Indicator also presents another two-digit display for identification of the channel viewed. The leds can be used as a visual indication of alarm for each channel. The alarm outputs can be configured, independently, to operate with retention, demanding the operator acknowledge by means of the front panel keys in order to deactivate them after the process variable returns to normal condition.

  • Page 6: Technical Specifications

    Note 1 - The indication, relay usage as alarms and alarm points are, among other things, items that the user can program through a front key (if wanted, specify these information so that all the configuration can be made by PRESYS). Note 2 - Hardware and software features are available under previous consult.
  • Page 7 PRESYS  Instruments DMY-2015-PB-Energy Outputs:  Up to 2 SPDT relays for alarm rated 3 A/220 Vac.  Logic signal, open collector transistor, 24 Vdc, 40mA max. with isolation  Solid-state relay, rated 2 A/250 Vac with isolation. Serial Communication:...

  • Page 8: Installation

    PRESYS  Instruments DMY-2015-PB-Energy 2.0 - Installation 2.1 - Mechanical Installation DMY-2015-PB-Energy Indicator front panel has 1/4 DIN size (96 X 96 mm). It is fixed by the rails which press it against the back side of the panel. After preparing a 92 x 92 mm cut in the panel, remove the rails from the Indicator and slide its rear through the cut until its front reaches the panel.

  • Page 9: Electrical Installation

    PRESYS  Instruments DMY-2015-PB-Energy 2.2 - Electrical Installation The DMY-2015-PB-Energy indicator may be powered up by voltage between 75 and 264 Vac or 100 to 360 Vdc, any polarity. Remember that the internal circuit is powered whenever the instrument is connected to the external power supply.

  • Page 10: Rtd Connections

    PRESYS  Instruments DMY-2015-PB-Energy 2.3.1 - RTD Connections Connection is allowed for 2, 3 or 4 wires RTD. All types of connection are shown in figure 4, and the connection terminals for RTD are described in table 2 below for each channel.

  • Page 11: Alarm Output Connection

    PRESYS  Instruments DMY-2015-PB-Energy With a 3-wire RTD one gets a better accuracy than with a 2-wire RTD. Use wires of same material, gauge and length on all 3 terminals of each channel for compensating resistance. The maximum resistance of each connection wire must be 10 .

  • Page 12: Connections Diagram

    PRESYS  Instruments DMY-2015-PB-Energy 2.5 - Connections Diagram Operation Page 9...

  • Page 13: Communication

    PRESYS  Instruments DMY-2015-PB-Energy 2.6 - Communication The DMY-2015-PB-Energy Indicator has serial communication with Profibus DP-V0 protocol. 2.6.1 - Profibus DP-V0 Protocol See Item 6.0 - PROFIBUS Communication. Operation Page 10...

  • Page 14: Operation

    PRESYS  Instruments DMY-2015-PB-Energy 3.0 - Operation 3.1 - Normal Operation DMY-2015 -PB-Energy Indicator has two modes of operation: normal mode and configuration mode. During normal operation, the Indicator monitors the inputs, verifies alarm conditions and activates the alarm outputs when necessary. Configuration mode is used to select and configure all the Indicator parameters.
  • Page 15 PRESYS  Instruments DMY-2015-PB-Energy On the front panel of the instrument, the LEDs 1 to 8 are associated with alarms for channels 1 to 8, while the leds 10 and 11 depend on the states of the relays 3 and 4, respectively.

  • Page 16: Configuration

    PRESYS  Instruments DMY-2015-PB-Energy 3.2 - Configuration In order to access configuration mode the operator is required to provide a password which avoids a non-authorized person to change any critical parameters of the process. So, when ENTER is pressed within the normal operation mode, one of the...
  • Page 17 PRESYS  Instruments DMY-2015-PB-Energy Function SOBE Increases the digit DESCE Decreases the digit ENTER Moves to digit on the left All configuration parameters are stored in the non-volatile memory and determine the instrument normal operation. Through such parameters the user can adapt the instrument according to his requirements, if he desires to change the factory configuration.
  • Page 18 PRESYS  Instruments DMY-2015-PB-Energy The hierarchical levels are presented in sequence. The options of each level with all corresponding parameters are explained step by step. Within each level, the front panel keys of the instrument have the following functions: Function...
  • Page 19 PRESYS  Instruments DMY-2015-PB-Energy Fig.8 - General Level Options Below is the adjustable range of the parameters shown in Figure 8. Factory Mnemonic Parameter Range Units Value instrument _______________ ____________ 2015 identification _______________ ____________ SOFT software version 1.31 ____________ VALUE...
  • Page 20 PRESYS  Instruments DMY-2015-PB-Energy Level 2 - Inputs The Input Level allows to enable or disable (by means of the ANNUL option), the sensor type of each channel. The sensor type options are 2 and 3-wire for RTD inputs as shown in figure 9.
  • Page 21 PRESYS  Instruments DMY-2015-PB-Energy same process variable, but with slight differences in reading. This parameter can be used to equalize measurements in different instruments. FILTER - this parameter provides the time constant of a first order digital filter associated to the selected input. In order to leave the signal without filter set this parameter to zero.
  • Page 22 PRESYS  Instruments DMY-2015-PB-Energy After the proper re-connection of the sensor to the input, one must apply a reset to the disabled relay so that the instrument continues to check the alarm which was disabled. The reset mode is defined by the RST.F option as automatic (AUTO) or manual (MANU).
  • Page 23 PRESYS  Instruments DMY-2015-PB-Energy Fig.10 - ALARM Level Options On the front panel of the instrument, the LEDs 1 to 8 are associated with alarms for channels 1 to 8, while the LEDs 10 and 11 depend on the states of the relays 3 and 4, respectively.
  • Page 24 PRESYS  Instruments DMY-2015-PB-Energy the next mnemonic list, indicating that the acknowledgment was performed. To return to operating mode should continue pressing the ACK key. RST - it allows the relays to be deactivated even when the alarm condition which activated these relays is still present (relay reset).

  • Page 25: Maintenance

    PRESYS  Instruments DMY-2015-PB-Energy 4.0 - Maintenance 4.1 - Indicator Hardware The Indicator maintenance requires the user to have access to the hardware of the instrument. The Indicator hardware consists of four main boards: Display Board, CPU Board, Power Supply Board and Input Board. The four-board system is fixed to the aluminum case by a screw on the lower part of the front-panel.

  • Page 26: Using Snubber With Relays

    PRESYS  Instruments DMY-2015-PB-Energy 4.2 - Using Snubber with relays Relay modules are provided with circuits for eliminating electrical arch (RC snubber). The snubbers can be put in parallel with the relay contacts, by placing the jumpers J1 and J2 localized on the back of the relay board. When the jumpers are not placed, the relay contacts are kept without snubbers.

  • Page 27: Installation Of Optional Modules

    PRESYS  Instruments DMY-2015-PB-Energy 4.3 - Installation of optional modules The DMY-2015-PB-Energy Indicator accepts up to two alarm devices and the PB communication, which must have the corresponding optional modules installed in the instrument. Open the Indicator as shown in section 4.1 in order to access the connectors in the Power Supply Board, and one connector in the CPU Board (see figure 14).

  • Page 28: Calibration

    PRESYS  Instruments DMY-2015-PB-Energy Alarm outputs 3 and 4 Outputs 3 and 4 are used as alarms when the optional modules corresponding to connectors MOD 3 and MOD 4 are installed. There are three types of alarm output available: SPDT relay, solid state relay and open collector voltage. The Alarm output type and the optional module correspondence are shown in table 3.
  • Page 29 PRESYS  Instruments DMY-2015-PB-Energy When the display stops blinking and presents the mnemonic corresponding to the reference, the calibration process of the first calibration point will be finished. Change to the next reference and press DOWN to select another point. Between any two calibration points wait 1 minute at least.

  • Page 30: Hardware Maintenance Instructions

    PRESYS  Instruments DMY-2015-PB-Energy Return to factory calibration The Indicator stores the factory calibration parameter values on the non-volatile memory, which may be always recovered by Indicators with RTD input. In case of a bad performance of the instrument due to an incorrect calibration, use the REC option.
  • Page 31 PRESYS  Instruments DMY-2015-PB-Energy Test points on flat cable 1 Voltage Between point 1(-) and point 2(+) Between point 9(-) and point 8(+) Between point 9(-) and point 1(+) Between point 9(-) and point 10(+) - 8 V Between point 9(-) and point 13(+)

  • Page 32: List Of Components

    PRESYS  Instruments DMY-2015-PB-Energy 4.6 - List of components Display Board Code Components Reference 01.05.0079-20 Display Board - DMY2015 --------------------- 01.07.0002-21 Display 14mm DP1,2,3,4,5,6 01.04.0001-21 Diode 1N4002 D13,14 01.07.0005-21 Led 3mm (red) D1,2,3,4,5,6,7,8,9,10, 11,12 01.09.0013-21 Transistor BC 327 Q1,2,3,4,5,6,7,8 01.15.0003-21...
  • Page 33 PRESYS  Instruments DMY-2015-PB-Energy Code Components Reference 01.02.0131-21 Resistor 4K99 5% ----------------------- 01.04.0005-21 Reference Diode LM336/5V ----------------------- 01.06.0003-21 Transformer 110/220Vac 01.06.0004-21 Coil 01.13.0004-21 Connector CN1,2,3,4,5,6,7,8 CPU Board Code Components Reference 01.05.0080-20 CPU Board ----------------------- 01.01.0007-21 LM 311 01.01.0016-21 EPROM 27C512 01.01.0050-21...
  • Page 34 PRESYS  Instruments DMY-2015-PB-Energy 01.09.0013-21 Transistor BC 327 Q1,2,3,4,5,6,7,8 01.04.0005-21 Reference Diode LM336/5V D1,2 01.03.0035-21 Ceramic Multilayer Capacitor 0.1µF x 63V C1,2,3,5,7,9,11,12,13,14, 15,17,19,21,23,24,25,26, 27,29,31,33,35,36,37,38, 39,41,43,45,47,48,49 01.03.0062-21 C4,6,8,10,16,18,20,22,28, Tantalum Capacitor 22F x 16V 30,32,34,40,42,44,46 01.02.0010-21 Resistor 100R 1% 01.02.0038-21 Resistor 1K...

  • Page 35: List Of Recommended Spare Components

    PRESYS  Instruments DMY-2015-PB-Energy 4.7 - List of recommended spare components Display Board Display DP1, 2, 3, 4, 5, 6 Power Supply Board IRF 822 UC 3842 Fuse 2A LM 358N I/O Terminal Board BC 337 CPU Board 4051 4053...

  • Page 36: Profibus Communication

    PRESYS  Instruments DMY-2015-PB-Energy 5.0 - PROFIBUS Communication The DMY-2015-PB-Energy has Profibus-DP serial communication, via RS-485 physical media and can be connected to networks with communication rates 9600, 19200, 45450, 93750, 187500, 500000, 1500M, 3M, 6M and 12M. The connection can be made in two ways: DB9 connector or terminal block (see Figure 3).
  • Page 37 PRESYS  Instruments DMY-2015-PB-Energy Slot Inputs Outputs Function 2 Bytes (1 Word) CA-1 2 Bytes (1 Word) CA-2 2 Bytes (1 Word) CA-3 2 Bytes (1 Word) CA-4 2 Bytes (1 Word) CA-5 2 Bytes (1 Word) CA-6 2 Bytes (1 Word)
  • Page 38 PRESYS  Instruments DMY-2015-PB-Energy Input - 2 Bytes (1 word) Slot 10 * * * * * * * * 8 7 6 5 4 3 2 1 Burnout *N/A = unused bits State of bit => 1 = burnout channel; 0 = channel in normal condition...
  • Page 39 Presys Presys | Instruments Inc. www.presyscorp.com...

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