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Rish Eine NX 3 Phase Operating Instructions Manual

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OPERATING MANUAL
Rish Eine NX 3 Phase
DMAN-00IM-1048 Rev_C 11/2023

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Summary of Contents for Rish Eine NX 3 Phase

  • Page 1 OPERATING MANUAL Rish Eine NX 3 Phase DMAN-00IM-1048 Rev_C 11/2023...

  • Page 2: Table Of Contents

    Rish Eine NX PROGRAMMABLE DPM AC Volt Meter (3 ) : DPM - 3V Φ AC Ammeter (3 ) : DPM - 3A Φ Installation & Operating Instructions Section Contents Introduction Measurement Reading Screens Programming 3.1 Set Up Screens Relay Output 4.1 Limit Switch...

  • Page 3: Introduction

    1. Introduction The DPM Series is a panel mounted 96 x 96mm Digital Panel Meters for the measurement of AC Voltage and current in three phase or single phase systems. The instrument integrates accurate measurement technology. The parameters are displayed with Ultra high brightness LED display with 14mm Digit height which enables to take readings from long distance.
  • Page 4 with DPM 3V model TABLE 1: Parameters Displayed Measured Parameters Unit of measurement L1 Voltage Volt L2 Voltage Volt L3 Voltage Volt L1-L2 Voltage Volt L2-L3 Voltage Volt L3-L1 Voltage Volt Average Voltage Volt Timer Relay On/Off cycles Limit Relay On/Off TABLE 2: Parameters Displayed with DPM 3A model...
  • Page 5 L1 Current L2 Current L3 Current Average Current Limit Relay Mode Status : Parameter name flash after 2 sec parameter status /value flash Parameter status /Value flash Relay 1 configured Relay 1 configured as limit relay and off as limit relay and on Timer Relay Mode Status : To access timer relay Pressing the “...
  • Page 6 Press UP and DOWN key simultaneously to enter into setup menu. The meter shows only relevant setup screens according meter model and configuration of relay. START Measurement screens...
  • Page 7 Timer Limit None...

  • Page 8: Programming

    3. Programming The following sections comprise step by step procedures for configuring the DPM for individual user requirements. To access the set-up screens touch and hold the “ ” and “ ” keys simultaneously. This will take the user into the Sys Type Screen Followed by “Sys” on Display (Section 3.1) . 3.1 Set Up Screens 3.1.1.
  • Page 9 PT Primary value Edit Pressing the “ ” key will scroll the value of the most significant digit. Pressing the “ ” key accepts the present value at the cursor position and advances the cursor to the next Less significant digit. When the least significant digit has been set, pressing the “...
  • Page 10 Current Transformer Primary Value Confirmation This screen will only appear following an edit of the Current Transformer Primary Value. If the set value is to be corrected, pressing the “ ” key will return to the “Current Transformer Primary Value Edit” stage. Pressing the “ ”...
  • Page 11 Pressing " " key will accept displayed value and advance to Reset parameter selection menu. 3.1.6 Reset parameter Pressing the “ ” key will accept the display value and advances to “Relay Output Select” selection menu (See Section 3.1.7) . Pressing the “...
  • Page 12 3.1.8 Limit Relay : Relay configuration (Only in Advance DPM) Pressing the “ ” key will accept the display value and advances to Next selection menu. Pressing the “ ” key will scroll through below options : 1. High Energize (H-En) 2.
  • Page 13 When the least significant digit has been set, pressing the “ ” key will advance to the “Limit Switch : Trip Point” screen. If invalid value is set then meter shows “Err” Limit Switch : Trip Point Value Confirmation This screen will only appear following an edit of the Limit Switch Limit Switch : Trip Point Value.
  • Page 14 Limit Switch : On delay Confirmation This screen will only appear following an edit of the Limit Switch : On delay If the set value is to be corrected, pressing the “ ” key will return to the “Limit Switch : On delay” stage. Pressing the “...
  • Page 15 3.1.15 Timer relay : Relay timer cycles (Only in Advance DPM) This screen is used to Relay timer cycles for relay operation and display "rL1.E" Value range from 1 to 999. Default value is 10. Pressing the “ ” key will accept the display value and advances to Next selection menu.
  • Page 16 3.1.17 Timer relay : OFF relay time (Only in Advance DPM) The screen is used to set on cycle time of timer value in second "rLI.F"message displayed on screen Value range from 1 to 60. Default value is parameter 10. Pressing the “...
  • Page 17 3.1.19 RS485 MODBUS Device Address (Only in Advance DPM) The screen is used to set device address for MODBUS communication appears with "Addr"message Value range from 1 to 247. Default value is parameter 1. Pressing the “ ” key will accept the display value and advances to Next selection menu.
  • Page 18 Pressing the “ ” key will accept the display value and advances to Next selection menu. Pressing the “ ” key will scroll option are as follows: ”. Option can be assigned as one of the following Baud rate no - 1 : No parity and 1 stop bit odd - 1 : Odd parity and 1 stop bit even - 1 : Even parity and 1 stop bit...

  • Page 19: Relay Output

    4. Relay Output 4.1 Limit Switch Limit switch can be used to monitor the measured parameter ( Ref. TABLE 3 ) in relation to a set limit. The limit switch can be configured in one of the four mode given below:- 1) Hi-alarm &...
  • Page 20 Hysteresis Hysteresis can be set in the range of 0.5% to 50 % of set trip point. If Hi-alarm Energized or Hi- alarm De-energized is selected then relay will get De-energized or Energized respectively, if set parameter value is less than Hysteresis. Similarly if Lo-alarm Energized or Lo-alarm De- Energized is selected then relay will get De-energized or Energized respectively, if set parameter value is more than Hysteresis.

  • Page 21: Timer Output

    3) Alarm - Low & Relay - Energised 4) Alarm - Low & Relay - De-energised Relay De-energise Relay Energise Relay Energise Input Relay De-energise Input Hysterisis point Hysterisis point Trip point Trip point Time Time 4.2 Timer Output Timer output can be used to operate the Relay in a cyclic manner. The user can define the ON period and OFF period and also the number of times this cycle is to be repeated.

  • Page 22: Modbus Communication

    5. MODBUS Communication : supports MODBUS (RS485) RTU protocol (2-wire) . This instrument Connection should be made using twisted pair shielded cable. All "A or negative (-)" and "B or positive (+)” connections are daisy chained together. The screens should also be connected to the “Gnd” terminal.
  • Page 23 Communication Baud Rate is user selectable from the front panel between 4800, 9600, 19200, 38400, 57600 bps. Function code 03 Read Holding Registers Read content of read /write location ( 4X ) 04 Read input Registers Read content of read only location ( 3X ) 10 Presets Multiple Registers Set the content of read / write locations ( 4X ) Exception Cases : An exception code will be generated when DPM Meter receives...
  • Page 24 Query 01 (Hex) 04 (Hex) 00 (Hex) 04(Hex) 00 (Hex) 02(Hex) 30 (Hex) 0A (Hex) Device Function Start Start Number of Number of Address Code Address Address Registers Hi Registers Lo High High Start Address High : Most significant 8 bits of starting address of the parameter requested. Start Address low : Least significant 8 bits of starting address of the parameter requested.
  • Page 25 TABLE 6 : 3 X and 4 X register addresses for measured parameters Hex Address Address Address Parameter Parameter (3X) (4X) Number High Byte Low Byte Voltage L1 30001 40001 Voltage L2 30003 40003 Voltage L3 30005 40005 Current I1 30007 40007 Current I2...
  • Page 26 5.2 Accessing 4 X Register for Reading & Writing Parameter Values Each parameter setting is held in the 4X registers. ModBus code 03 is used to read the current setting and code 10 is used to write/change the setting. Refer Table 7 for 4 X Register addresses. Example : Reading System type System type : Start address = 177A (Hex)
  • Page 27 Example : Writing System type System type : Start address = 177A (Hex) Number of registers = 02 Query : ( Change System type to 3phase 3wire = 2 ) Device Address 01 (Hex) Function Code 10 (Hex) Starting Address Hi 17 (Hex) Starting Address Lo 7A(Hex)
  • Page 28 Response Device Address 01 (Hex) Function Code 10 (Hex) Start Address High 17 (Hex) Start Address Low 7A(Hex) Number of Registers Hi 00 (Hex) Number of Registers Lo 02(Hex) CRC Low 65 (Hex) CRC High A5 (Hex) Start Address High : Most significant 8 bits of starting address of the parameter written. Start Address low :Least significant 8 bits of starting address of the parameter written.
  • Page 29 TABLE 7 : 4 X register addresses Default Address Read/ Param- Modbus Start Addr.(H) Parameter (Register) Write High Byte Low Byte eter No. 46003 —--- 46005 46007 46009 46011 System type R/Wp 46013 46015 Reset parameters R/Wp 46017 R/Wp 46019 RS485 setup code R/Wp 46021...
  • Page 30 TABLE 7 : continued... Address Read/ Default Param- Modbus Start Addr. Hex Parameter (Register) Write High Byte Low Byte 3P/1P eter No. Limit Relay configuration / Timer Relay configuration R/Wp 46061 HEn/Enr R/Wp 46063 R/Wp 46065 R/Wp 46067 R/Wp 46069 R/Wp 46071 R/Wp...
  • Page 31 Explanation for 4 X register : NOTE: Writing any invalid values (non-applicable values) to any of the following locations will result in modbus error. Address Parameter Description 46003 ----- ----- ----- ----- 46005 —--- —--- 46007 —--- —--- 46009 This address is used to set the System type. Write one of the following value to this address.
  • Page 32 Address Parameter Description —--- —--- 46023 —--- 46025 —--- 46027 —--- —--- —--- 46029 —--- —--- —--- 46031 46033 —--- —--- This address allows the user to set PT Primary value. For 3-phase variant settable range is 100 VL-L to 999 kVL-L. 46035 PT Primary This address allows the user to set CT Primary value.
  • Page 33 Address Parameter Description 46039 —--- —--- 46041 —--- —--- ----- —--- 46043 This address is used to read and write the CT secondary value. 46045 CT Secondary The settable value is 1 for 1A or 5 for 5A. This address is used to read and write the PT secondary value. PT secondary 46047 The settable range is 100-500VLL.
  • Page 34 Address Parameter Description This address is used to set the Configuration for Relay 1 Limit / Timer 46061 Refer TABLE 8. Configuration Select 46063 —--- —--- —--- 46065 —--- —--- —--- 46067 46069 —--- —--- —--- —--- 46071 —--- 46073 —--- 46075 —---...
  • Page 35 Address Parameter Description ----- ----- 46085 —--- —--- 46087 Timer start This address is used to start or stop timer cycles in timer mode. 46089 stop 0: Stop timer 1: Start timer —--- —--- 46091 46093 —--- —---...
  • Page 36 TABLE 8: Relay Configuration For Timer relay For Limit Relay Code Configuration Code Configuration Energize Hi - alarm & energised Relay De-energize Hi - alarm & De-energised Relay Lo - alarm & Energised Relay Lo - alarm & De-energised Relay TABLE 9: RS485 Configuration Decimal.

  • Page 37: Installation

    6. Installation Mounting of DPM is featured with easy “Click fit” mounting. Push the meter in panel slot (size 92 x92 mm), it will click fit into panel with the four integral retention clips on two sides of meter. If required Additional support is provided with swivel screws (optional) as shown in figure. As the front of the enclosure conforms to IP 50.

  • Page 38: Emc Installation Requirements

    6.1 EMC Installation Requirements This product has been designed to meet the certification of the EU directives when installed to a good code of practice for EMC in industrial environments, e.g. 1. Screened output and low signal input leads or have provision for fitting RF suppression components, such as ferrite absorbers, line filters etc., in the event that RF fields cause problems.

  • Page 39: Wiring

    6.3 Wiring Input connections are made directly to screw-type terminals with indirect wire pressure. Numbering is clearly marked on the connector. Choice of cable should meet local regulations. Terminal for inputs will accept up to 4mm (12 AWG) solid or 2.5mm stranded cable. Note : 1) It is recommended to use wire with lug for connection with meter.
  • Page 40 7.2 Connections for DPM 3A AUX SUPPLY AUX SUPPLY 3-PHASE 3-WIRE UNBALANCED LOAD 3-PHASE 4-WIRE UNBALANCED LOAD DIGITAL PANEL METER (External Aux.) DIGITAL PANEL METER (External Aux.)

  • Page 41: Specifications

    8. Specifications : Input voltage : Nominal Input Voltage Ranges 100 VLL - 500VLL Max continuous input voltage 120% of nominal voltage of primary (OL>1.21 x PTP) Nominal input voltage burden 0.3 VA approx per phase at 230VAC System PT Primary values 100VL-L to 999kV L-L Programmable onsite Input current : Nominal Input Current Ranges...
  • Page 42 Reference conditions for Accuracy : Reference temperature 23 C + 2 C Input waveform Sinusoidal (distortion factor 0.005) Auxiliary supply voltage Nominal Value + 1 % Nominal Value + 1 % Auxiliary supply frequency Input Frequency 50 Hz or 60 Hz Accuracy + 0.5% of Nominal value .

  • Page 43: Environmental Conditions

    Environmental conditions Operating temperature 0 to 55 C Storage temperature 0 to 70 C 0 .. 90 % (Non condensing) Relative humidity Minimum 3 minute Warm up time Shock Half sign wave, peak acceleration 30gn (300 m/s^2) 10 .. 55 Hz, 0.15mm amplitude Vibration Enclosure Front...
  • Page 44 The Information contained in these installation instructions is for use only by installers trained to make electrical power installations and is intended to describe the correct method of installation for this product. However, Manufacturer has no control over the field condition which influence product installation.