Presys DMY-2030-CC Technical Manual
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Presys DMY-2030-CC Technical Manual

Digital indicator for load cell
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Digital Indicator
Digital Indicator
Digital Indicator
for Load Cell
for Load Cell
for Load Cell
DMY-2030-CC
Technical Manual
EM0359-00

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Summary of Contents for Presys DMY-2030-CC

  • Page 1 ® Digital Indicator Digital Indicator Digital Indicator for Load Cell for Load Cell for Load Cell DMY-2030-CC Technical Manual EM0359-00...
  • Page 2 The information and specifications in this manual are subject to change without previous notice. without previous notice. without previous notice. The warranty conditions are available in our sites: The warranty conditions are available in our sites: The warranty conditions are available in our sites: www.presys.com.br/warranty www.presys.com.br/warranty www.presys.com.br/warranty...

  • Page 3: Table Of Contents

    PRESYS  Instruments DMY-2030-CC TABLE OF CONTENTS 1.0 - Introduction ......................1 ............................................1.1 - Description......................1 ............................................1 1 1.2 - Order Code ......................2 ............................................2 2 1.3 - Technical Specifications ..................3 ....................................3 3 2.0 - Installation ......................

  • Page 4: Introduction

    DMY-2030-CC 1.0 - Introduction 1.1 - Description The DMY-2030-CC Indicator monitors one input of mVdc signal, within the range within the range within the range from -30 mV to +30 mV, provided by a load cell. A 10Vdc voltage source, isolated from...

  • Page 5: Order Code

    Note 1 - The input type, indication and relay usage as alarms are, among other things, items that the user can program through the front keys (if wanted, specify these information so that all the configuration can be made by PRESYS). Introduction...

  • Page 6: Technical Specifications

    Note 2 - Other hardware and software features can be available under previous consult. Code Example: 1) DMY-2030-CC - 0 - 1 - 0 - 1 - 0 - 0 This code defines a DMY-2030-CC indicator with one SPDT relay which can be -CC indicator with one SPDT relay which can be...
  • Page 7 PRESYS  Instruments DMY-2030-CC Operating Ambient: 0 to 50C temperature and 90% maximum relative humidity. Dimensions: 1/8DIN (48 x 96mm) with 162mm depth, panel cut of 45 x 92mm. Weight: 0.5kg approx. Warranty: One-year warranty. Introduction Page 4...

  • Page 8: Installation

    2.2 - El 2.2 - Elec ectrical Installation trical Installation DMY-2030-CC Indicator may be powered by voltage between 75 and 264Vac or DMY- DMY- 100 to 360Vdc, any polarity. Remember that the internal circuit is powered whenever the instrument is connected to the external power supply.
  • Page 9 PRESYS  Instruments DMY-2030-CC Input and output signals must be connected to the instrument only when it is turned off. Figure 3 shows the instrument rear terminals for connection of power supply, ground, communication, process input and output signals. Signal wiring must be kept far away from power wires.

  • Page 10: Millivolt Input

    PRESYS  Instruments DMY-2030-CC 2.3.1 - Millivolt Input Voltage signal in the range -30 to +30 mVdc is applied to terminals 2(+) e 3(-).The connections are shown in figure 4. Fig. 4 - Voltage signal connection Fig. Fig. 4 4 - Voltage signal connection - Voltage signal connection 2.4 - Output Signal Connection...
  • Page 11 PRESYS  Instruments DMY-2030-CC (*) Relay contact states presented for SAFE option selected (see section 3.2 on Configuration), instrument (*) Relay contact states presented for SAFE option selected (see section 3.2 on Configuration), instrument (*) Relay contact states presented for SAFE option selected (see section 3.2 on Configuration), instrument powered on and non-alarm condition.

  • Page 12: Connection Diagram

    PRESYS  Instruments DMY-2030-CC 2.5 - Connection Diagram Installation Page 9...

  • Page 13: Communication

     Instruments DMY-2030-CC 2.6 - Communication DMY-2030-CC Indicator communicates with computers through RS-232 or RS-485 and with use of a MODBUS protocol communication software, when the optional -485 and with use of a MODBUS protocol communication software, when the optional -485 and with use of a MODBUS protocol communication software, when the optional communication module is installed and the communication parameters are configured.

  • Page 14: Operation

     Instruments DMY-2030-CC 3.0 - Operation 3.1 - Normal operation The DMY-2030-CC Indicator has two modes of operation: normal operation and Indicator has two modes of operation: normal operation and Indicator has two modes of operation: normal operation and configuration mode.
  • Page 15 PRESYS  Instruments DMY-2030-CC The information sequence presented on the display is shown in figures 6 and 7 according to the configuration of the maximum and minimum peak register option (REG option in the GENERAL configuration level): Fig. 6 - Information in the operation level when the peak register option is enabled.

  • Page 16: Configuration

    PRESYS  Instruments DMY-2030-CC is shown. In this way, one accesses a menu with five registers indicated by the mnemonics MAX.1 to MAX.5 for the maximum peaks (MIN.1 to MIN.5 for the minimum peaks). The first register of the menu, MAX.1 (MIN.1), refers to the most recently stored value.
  • Page 17 PRESYS  Instruments DMY-2030-CC Configuration parameters are distributed in eight hierarchical levels shown in figure 9. Fig. 9 - Parameter levels diagram Fig. Fig. 9 9 - Parameter levels diagram - Parameter levels diagram In order to move through the levels and access the parameters of any one of...
  • Page 18 PRESYS  Instruments DMY-2030-CC Inside each level, the front panel keys have the following functions: Description Moves the options in increasing direction DOWN Moves the options in decreasing direction Confirm or advance options inside a level, if the display Confirm or advance options inside a level, if the display Confirm or advance options inside a level, if the display does not show ESC.
  • Page 19 PRESYS  Instruments DMY-2030-CC The table below refers to the ranges of the parameters shown in figure 10. Factory Mnemonic Parameter Range Units Value input signal associated LIM LOW -100.0 to 100.0 to Eng Low input signal associated LIM HIGH -100.0 to 100.0...
  • Page 20 PRESYS  Instruments DMY-2030-CC DEC.PT - sets the decimal point position for the visualization of Engineering units in the display. There are up to four decimal places. OFSET (as is shown in the display) - allows the user to enter an off-set value in...
  • Page 21 PRESYS  Instruments DMY-2030-CC Fig. 12 - Alarm levels options Fig. 1 Fig. 12 2 - Alarm levels options - Alarm levels options The table below refers to the ranges of the parameters shown in figure 12. The table below refers to the ranges of the parameters shown in figure...
  • Page 22 PRESYS  Instruments DMY-2030-CC Fig.13 - Relay with delay - Relay with delay - Relay with delay The alarm configuration levels presents the SAFE option which determines the safely The alarm configuration levels presents the SAFE option which determines the safely The alarm configuration levels presents the SAFE option which determines the safely condition of the relay.
  • Page 23 PRESYS  Instruments DMY-2030-CC Level 5 - Output Fig. 14 - OUTPUT level options - OUTPUT level options - OUTPUT level options The table below refers to the ranges of the parameters shown in figure 14. The table below refers to the ranges of the parameters shown in figure 14.
  • Page 24 PRESYS  Instruments DMY-2030-CC Before configuring the retransmitter output, disable alarm 1. Otherwise the ERR.05 message will be shown. Nível 6 - General Level 6 presents the options: TIME, TARE and REG (see figure 16). TARE and REG (see figure 16).
  • Page 25 PRESYS  Instruments DMY-2030-CC Fig. 16 – GENERAL level options – – GENERAL level options – GENERAL level options – – GENERAL level options – GENERAL level options Level 7 - Calibration Level 7 is described in section 4.4 on Calibration.

  • Page 26: Maintenance

    PRESYS  Instruments DMY-2030-CC 4.0 - Maintenance 4.1 - Indicator Hardware The Indicator maintenance requires the user to have access to the hardware of The Indicator maintenance requires the user to have access to the hardware of The Indicator maintenance requires the user to have access to the hardware of the instrument.

  • Page 27: Snubber Use For Relay

    PRESYS  Instruments DMY-2030-CC 4.2 - Snubber Use for Relay Relay modules are provided with circuits for eliminating electrical arch (RC snubber). The snubbers are put in parallel with the relay contacts, by placing the jumpers snubber). The snubbers are put in parallel with the relay contacts, by placing the jumpers snubber).

  • Page 28: Installation Of Optional Modules

    DMY-2030-CC 4.3 - Installation of Optional Modules DMY-2030-CC Indicator accepts up to three output devices and communication, which must have the corresponding optional modules installed in the instrument. Open which must have the corresponding optional modules installed in the instrument. Open which must have the corresponding optional modules installed in the instrument.
  • Page 29 PRESYS  Instruments DMY-2030-CC Output 1 - Retransmitter (optional module code: MSAN-20) When it is required output 1 to be a retransmitter output (4 to 20mA, 1 to 5V or 0 to 10V) connect the optional analog output module in the connector called MOD 1.

  • Page 30: Calibration

    Do not remove it. 4.4 - Calibration DMY-2030-CC Indicator is accurately calibrated in factory and does not need -CC Indicator is accurately calibrated in factory and does not need -CC Indicator is accurately calibrated in factory and does not need periodic calibration in normal conditions.
  • Page 31 PRESYS  Instruments DMY-2030-CC Fig. 22 – CALIBRATION level options Fig. 22 2 – – CALIBRATION level options – CALIBRATION level options – – CALIBRATION level options – Fig. 2 CALIBRATION level options After performing all references on the table related to the input type to be...

  • Page 32: Hardware Maintenance Instructions

    PRESYS  Instruments DMY-2030-CC The retransmitter output is calibrated by using na external calibrator. Be sure that the configuration of the internal jumper on the optional Analog Output board complies with the output type (no jumpers for 20 mA output, jumper 1 for 5 V and jumper 2 for 10 V).
  • Page 33 PRESYS  Instruments DMY-2030-CC Instrument with the display off Check if the power supply voltage is provided to terminals 23 and 24 of the Indicator. Verify the integrity of fuse F1 of 2 A placed in the Power Supply Board as shown in figure 17.
  • Page 34 Presys www.presys.com.br...

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