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Rish ED21 Series Operating Manual

Single phase ac energy meters
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Operating Manual
RISH ED21XX / EC21XX / ER21XX
Single Phase AC Energy Meters
DMAN-00IM-1073 Rev. K - 1/25
Manual Subject to Change Without Notice

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Summary of Contents for Rish ED21 Series

  • Page 1 Operating Manual RISH ED21XX / EC21XX / ER21XX Single Phase AC Energy Meters DMAN-00IM-1073 Rev. K - 1/25 Manual Subject to Change Without Notice...

  • Page 2: Table Of Contents

    Index Section Contents Introduction LCD Display 2.1 Introduction LCD Display Symbols and Indications 2.2.1 SO Output Indication 2.2.2 Communication Indication 2.2.3 Tariff Energy Indication 2.2.4 Bargraph Indication 2.2.5 MID Setup Indication 2.2.6 Setup Lock Indication 2.3 Setup Screens Navigation Map 2.4 Measurement Parameter Screens Programming 3.1 Password Protection...
  • Page 3 3.2.2.9 Quite Setup Menu Troubleshooting 4.1 Error Screen Tariff Input 5.1 Tariff Input and Tariff Selection SO Output 6.1 Pulse Output RS485 (ModBus) Output 7.1 Accessing 3X and 4X register for reading measured values 7.2 Accessing 3X register for Long Energy Reading 7.3 Accessing 4X register for Reading &...

  • Page 4: Introduction

    1. INTRODUCTION The Energy Meter is a DIN Rail mounted Digital Meter, primarily for bidirectional Active, Reactive and Apparent Energy measurement intended for use in industrial, commercial and residential electrical energy metering. It also accurately measures important electrical parameters like TRMS Voltage, TRMS Current, Frequency, Active / Reactive and Apparent Power, and Power Factor in Single Phase Networks.

  • Page 5: Lcd Display Symbols And Indications

    2. LCD Display 2.1. Introduction The meter displays more than 40 measurement parameters including Total Energies, Tariff, Partial and also other important electrical parameters like Max Demand, Voltage, Current, Frequency, Active Power, Reactive Power, Apparent Power and Power Factor on individual screens. The user can easily scroll and See System Parameter By Pressing Scroll key and By Pressing and Holding Scroll key for 5 Seconds the user can see Tarrif &...

  • Page 6: Tariff Energy Indication

    2.2.3 Tariff Energies Indication This Instrument comes with 2 tariff based on Tariff input or MODBUS or MBUS. In the image given here, it indicates that the instrument is currently displaying the selected energy parameter (Import Active Energy) of Tariff 2. These Tariff energies and Demand parameters are available on display screen 2, For opening the Screen 2 Press and hold the Scroll Key for 5 Seconds 2.2.4 Bargraph Indication...
  • Page 7 TABLE 1 : Measurement Parameters: Screen 1 Parameter Parameters On Display On Modbus   Total Active Energy   Import Active Energy   Export Active Energy Import Reactive Energy   Export Reactive Energy   Total Reactive Energy ...
  • Page 8 TABLE 1 : Measurement Parameters (contd.): Screen 2 Parameter On Display On Modbus Parameters T1 Import Active Energy   T1 Export Active Energy   T1 Total Active Energy   T1 Import Reactive Energy   T1 Export Reactive Energy ...

  • Page 9: Setup Screens Navigation Map

    2.3 Setup Parameters Screens Navigation Map CodE (PassWord ) Add 001 (Modbus Address) PLSt 200 (Sec 3.2.1.1) (Pulse Duration) (Sec 3.2.2.3) (Sec 3.2.2.3) bd 9600 (Baud Rate) (Sec 3.2.1.2) dit 10 (Demand Integration Time) Prtyn-2 (Sec 3.2.2.4) (Parity and Stop Bits) (Sec 3.2.1.3) rSt non Ct P-5...

  • Page 10: Measurement Parameter Screens

    2.4 Measurement Parameters Screens Total Active Energy Export Active Energy Import Reactive Energy Import Active Energy Export Reactive Energy Total Reactive Energy Total Apparent Energy Partial Import Active Energy Partial Export Partial Total Partial Import Partial Export Active Energy Active Energy Reactive Energy Reactive Energy Partial Total...
  • Page 11 Frequency Pulse Constant Modbus Device Address Baud Rate Tarrif Status- Serial Number (it will be shown Tarrif Status- Power Drop Modbus Based using 2 toggle screens) Input Based Import Active Power Export Active Power Import Reactive Power Display Check Max Demand Max Demand Max Demand Export Reactive Power...

  • Page 12: Programming

    3. PROGRAMMING The following sections comprise step by step procedures for configuring the Energy Meter according to individual user requirements. To access the set-up screens press and hold “ ” enter key for 5 seconds. This will take the User into the Password Protection Entry Stage (Section 3.1). 3.1 Password Protection Password protection can be enabled to prevent unauthorized access to set-up screens, when default password protection is not enabled.

  • Page 13: Setup Menu Selection

    3.2 Setup Menu selection 3.2.1 Communication Parameter Selection 3.2.1.1 Address Setting This screen applies to the RS 485/ MBUS output. This screen allows the user to set address for the meter. The allowable range of addresses for MODBUS is 1 to 247 and for MBUS the range is 1 to 250.

  • Page 14: Ct Primary

    Pressing the “ ” enter key advances to the “Parity & Stop bit Edit” mode & pressing the “ ’’scroll keys scrolls the value through: nonE1: no parity with one stop bit, nonE2: no parity with two stop bit, EVEn: even parity with one stop bit, odd: odd parity with one stop bit for MODBUS.

  • Page 15: Output Parameter Selection

    3.2.2 Output Parameter Selection 3.2.2.1. Pulse Output This screen is used to set the pulse1 ie SO1 output parameter. Pressing “ ”scroll key accept the current values and advances to “pulse output 2 Parameter Selection” menu. Pressing the “ ” enter key advances to the “ pulse output 1 Parameter edit ” mode & pressing the scroll keys scrolls the value through: IMP KWH, EXP KWH, IMP KVArh, EXP KVArh, IND KVArh, CAP KVArh, TOT KWH, TOT KVArh.

  • Page 16: Demand Integration Time

    Pressing the “ ” enter key advances to “Pulse Duration Edit” mode and pressing the scroll keys scroll the value through 60, 100 and 200 miliseconds. ( NOTE: This parameter is applicable for both SO1 & SO2) Pressing the enter key selects the value and advances to “Demand integration time” menu (see Section 3.2.2.4).

  • Page 17: New / Change Password

    3.2.2.7 Backlit This screen allows user to set backlit configuration. Pressing the “ ”enter key advances to “backlit configuration” edit mode Pressing the “ ” scroll key advances through on, off, act. Pressing the “ ” enter key will conforms the selection. 1)on - backlit set to continues on mode.

  • Page 18: Troubleshooting

    4. Troubleshooting 4.1 Error Screen The Error Screen is designed to display error codes in the format "Er-XXX". Each digit in the error code represents a specific type of error. The first digit indicates a program flash CRC mismatch error, the second digit signifies an EEPROM full or error, and the third digit represents a calibration error.

  • Page 19: Tariff Input

    5. Tariff Input : The meter is provided with 1 Tariff Inputs for selection of active tariff respectively for energy metering. 5.1 Tariff Input and Tariff Selection: TABLE 2 : Relationship between Tariff Input and Tariff Tariff Input 1 Tariff number Tariff 1 HIGH Tariff 2...

  • Page 20: Rs485 (Modbus) Output

    7. RS 485 (ModBus) Output: The Energy Meter supports MODBUS (RS485) RTU protocol (2-wire ) . Connection should be made using twisted pair shielded cable. All "A" and "B" connections are daisy chained together. “G” should also be connected to the “Gnd” terminal. To avoid the possibility of loop currents, an Earth connection should be made at one point on the network.

  • Page 21: Accessing 3X And 4X Register For Reading Measured Values

    The function code is not supported by Meter Illegal function Attempt to access an invalid address or an Illegal Data Address attempt to read or write part of a floating point value Attempt to set a floating point variable to an invalid value Illegal DataValue 7.1 Accessing 3X and 4X register for reading measured values: Two consecutive 16 bit registers represent one parameter.
  • Page 22 4X Response: Current (5 A) 01 (Hex) 04 (Hex) 04 (Hex) 40 (Hex) A0 (Hex) 00 (Hex) 00 (Hex) EE (Hex) 66 (Hex) Device Function Byte Data Register1 Data Register2 Data Register1 Data Register2 Low Byte Address Code Count High Byte High Byte Low Byte High...
  • Page 23 TABLE 4 : Continued Address Address Hex Address Parameter Parameter Units (3X) (4X) High Byte Low Byte Number 30029 40029 30031 40031 Power Factor 30033 40033 30035 40035 30037 40037 30071 40071 Freqency 30073 40073 W Import Demand 30075 40075 W Import Max Demand 30077 40077...
  • Page 24 TABLE 4 : Continued Address Address Hex Address Parameter Units Parameter (3X) (4X) Number High Byte Low Byte 30131 40131 Total Active Energy Overflow Count 30133 40133 Total Active Energy 30135 40135 Total Reactive Energy Overflow Count kVArh 30137 40137 Total Reactive Energy 30139 40139...
  • Page 25 TABLE 4 : Continued Address Address Hex Address Parameter Parameter Units (3X) (4X) High Byte Low Byte Number 30201 40201 30203 40203 T2 Total Active Energy Overflow Count 30205 40205 T2 Total Active Energy 30207 40207 T2 Total Reactive Energy Overflow Count 30209 40209 T2 Total Reactive Energy...
  • Page 26 TABLE 5 : 3 X long register addresses for measured parameters Address Hex Address Parameter Parameter Units (3X) High Byte Low Byte Number 30513 kWh Import Overflow Count 30515 kWh Import 30517 kWh Export Overflow Count 30519 kWh Export 30521 kVarh Import Overflow Count 30523 kVarh Import...
  • Page 27 TABLE 5 : Continued Address Hex Address Parameter Parameter Units High Byte Low Byte (3X) Number 30585 T2 Wh Import Overflow Count 30587 T2 Wh Import 30589 T2 Wh Export Overflow Count 30591 T2 Wh Export 30593 T2 Varh Import Overflow Count 30595 T2 Varh Import kVArh...

  • Page 28: Accessing 3X Register For Long Energy Reading

    NOTE: Energy Overflow count Increments when energy count exceeds 99999.999. Display Energy Overflow 99999.99 < 1 999999.9 < 10 9999999 > =10 7.2 Accessing 3 X register for Long Energy Reading : For Reading Energy start count in long energy format following query format should be used. Query: (Query for Reading Active Energy Import Overflow) Byte Count : Total number of data bytes transmitted.

  • Page 29: Accessing 4X Register For Reading & Writing Settings

    7.3 Accessing 4 X register for Reading & Writing Settings: Each setting is held in the 4X registers. ModBus code 04 is used to read the parameters. Refer TABLE 6 for 4X Register addresses. Example: Reading Measurement Mode Start address = 1776 (Hex) Number of registers = 02 Note: Number of registers = Number of Parameters x 2 Query :...
  • Page 30 Example : Writing Measurement Mode Watt Measurement mode : 2 Start address = 1776 (Hex) Number of registers = 02 Note: Number of registers = Number of Parameters x 2 Query: Byte Count : Total number of data bytes received. 01 (Hex) Device Address Data register 1 High Byte : Most significant 8 bits of Data...
  • Page 31 TABLE 6 : 4 X register addresses Parameter Address Default Values Parameters Register 46001 46003 Demand Integration Time 46005 46007 Total Energy counter formula 46009 Import/Export Reactive Energy counter formula 46011 Nominal voltage 46013 Nominal Current Rated Current 46015 Nominal Frequency 46017 Reset Parameters 46019...
  • Page 32 4 X register addresses for ED21XX models Parameter Address Default Values Parameters Register 46049 46051 46053 Version Number XX.XX 46055 Serial Number Year Date YYMM 46057 Serial Number Data 46059 CRC Flash 46061 Error bit Address 46063 4 X register addresses for EC21XX & ER21XX models Parameter Address Default Values...
  • Page 33 TABLE 7 : 4 X register addresses Description Parameter Address Description Parameters Register 46001 46003 Demand Integration Time Demand Period represents demand time in minutes (Read/Write) The Applicable values are 5, 10, 15, 30. 46005 46007 Total Energy Counter This address allow to setup total energy measurement Formula (for Active &...
  • Page 34 TABLE 7 : Continued Parameter Address Description Parameters Register 46027 Comsetup Address This register address is used to setup Rs485 (Read/Write) communication parameters like buad rate , parity stop bit. the valid values are in between 0 to 19 ( refer table 8 no.
  • Page 35 NOTE : If import export energy formula is selected (ie.46009=1) then for reactive demand and energy import term is representing import values (Q1+Q2) and export term representes export values (Q3+Q4) If inductive capacitive energy formula is selected (ie.46009=2) then for reactive demand and energy import term is representing inductive values (Q1+Q3) and export term representes capacitive values (Q2+Q4) Figure 1: Power Quadrant Diagram 4 X register addresses Description for ED21XX models...
  • Page 36 4 X register addresses Description for EC21XX & ER21XX models Parameter Address Parameters Description Register 46049 CT Primary (Read) This address shows the CT Primary value of meter 46051 CT Secondary (Read) This address shows the CT Secondary value of meter 46053 46055 46057...

  • Page 37: User Assignable Modbus Registers

    TABLE 8 : Continued Buad Rate Parity Parameter No Stop Bit 9600 19200 NONE 19200 NONE 19200 EVEN 19200 38400 NONE 38400 NONE 38400 EVEN 38400 7.4 User Assignable Modbus Registers The Multifunction Meter contains the 14 user assignable registers in the address range of (31025) to (31051) (See Table 9).
  • Page 38 Table 10 : User Assignable mapping register ( 4X registers) Address Modbus Start Address (Hex) Assignable Register (4X) High Byte Low Byte Map Address for Assignable Register 1 49501 Map Address for Assignable Register 2 49502 Map Address for Assignable Register 3 49503 Map Address for Assignable Register 4 49504...
  • Page 39 Response : Number of register Hi : Most significant 8 bits of number of registers requested. 01 (Hex) Device Address Number of register Lo : Least significant 8 bits of number of registers requested. Function Code 10 (Hex) **Note : Two consecutive 16 bit register Start Address High 00 (Hex) represent one parameter.

  • Page 40: Installation

    8. MBUS For detailed information on the M-Bus communication Protocol, please refer to the M-Bus manual. 9. Installation The Instrument should be mounted in a reasonably stable ambient temperature and where the operating temperature is within the range defined by the technical specification. Vibration should be kept to a minimum and the product should not be mounted where it will be subjected to excessive direct sunlight.

  • Page 41: Case Dimensions

    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. : It is good practice to install sensitive electronic instruments that are performing critical functions, in EMC Note enclosures that protect against electrical interference which could cause a disturbance in function.

  • Page 42: Wiring

    9.4 Wiring Input connections are made directly to screw-type terminals with indirect wire pressure. Numbering is clearly marked at the connector location. Choice of cable should meet local regulations. : It is recommended to use wire with insulated pin type lug for connection with meter. Note Wire: It is suggested to use wire with a temperature rating of at least 83 Deg.

  • Page 43: Auxiliary Supply

    For CT Connected Meters (EC21XX): Connections Cable Size Torque (mm ) (Nm) L, N, I-in, I-out 1- 2.5 mm 0.4 Nm use insulated pin types lugs B, A, G / M+,M-,SO1+, SO1-, 1 - 2.5 mm 0.4 Nm SO2+, SO2-, TARIFF INPUT. Standard with pin types lugs.

  • Page 44: Connection Diagrams

    10. Connection Diagrams Connection Terminals Detail: :Neutral In For ED21XX AND Line For EC21XX & ER21XX :Neutral out For ED21XX AND Neutral for EC21XX & ER21XX :Line In for ED21XX AND Current in for EC21XX :Line out for ED21XX AND Current out for EC21XX 5,6/9,10 :Pulse Output 1 &...
  • Page 45 11. Saftey Instructions : Warning : This indicates potential danger that can lead to death, serious injury, or significant material damage if not followed. Ignoring these instructions can cause death, serious injury, or major material damage. Caution : This indicates electric shock risk, which can also result in death, serious injury, or significant material damage.Risk of electric shock.

  • Page 46: Specification

    12. Specification Input : Connections: 1 Phase 2 Wire Nominal Voltage 230 VLN Operating Voltage Range : 184 - 276 VLN Power consumption in Voltage Circuit : < 2 W (10 VA) Power consumption in Current Circuit < 1 VA Nominal Frequency 50/60 Hz Operating Frequency Range...
  • Page 47 Accuracy : Active Energy (Import/Export) Class B as per EN50470-3, Class 1 as per IEC 62053-21 Reactive Energy (Import/Export) Class 2 as per IEC62053-23 Apparent Energy ± 1.0 % Voltage ± 0.5% of of range max Current ± 0.5% of Nominal value Frequency ±...
  • Page 48 0-99999 W Active Power 0-99999 VAR Reactive Power 0-99999 VA Apparent Power Tariff Input : 230V High Installation : Indoor Enclosure IP 51(front side) & IP 20(terminal side) (IEC 60529: 2001) (The device should only be mounted within an external enclosure,such as a meter or switch cabinet.
  • Page 49 Environmental Conditions : Mechanical Environment Electromagnetic Environment Operating Temperature -25°C to +55°C Storage/Transport Temperature -40°C to +70°C Relative Humidity 0... 95% (Non Condensing) Shock Half sine wave, peak acceleration 30g (300 m/s ), pulse duration 18msec Vibration 10...150Hz, f<60 Hz 0.075mm constant amplitude, f>60Hz 1g constant acceleration, 10 sweep cycles per axis Altitude...

This manual is also suitable for:

Ec21 seriesEr21 series