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Eastron DCM230 User Manual
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Eastron DCM230 User Manual

Dc energy meter
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Eastron DCM230 User Manual
DCM230 DC Energy Meter
B+G e-tech GmbH (EASTRON Germany)
⚫
Measures kWh, W, V, A etc.
⚫
Bi-directional measurement IMP & EXP
⚫
Pulse output
⚫
RS485 Modbus
⚫
Din rail mounting 35mm
⚫
DC shunt connection
⚫
Class 1
Fax: +49 3574 4675519
Fr.-Mehring St. 36
DE 01979 Lauchhammer
Web: www.eastron-germany.de
User Manual V1.5
2021
- 1 -

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Summary of Contents for Eastron DCM230

  • Page 1 Eastron DCM230 User Manual DCM230 DC Energy Meter ⚫ Measures kWh, W, V, A etc. ⚫ Bi-directional measurement IMP & EXP ⚫ Pulse output ⚫ RS485 Modbus ⚫ Din rail mounting 35mm ⚫ DC shunt connection ⚫ Class 1 User Manual V1.5...

  • Page 2: Specification

    Eastron DCM230 User Manual Introduction Eastron DCM230 series DC energy meters are designed for measuring and monitoring in DC systems. The din rail DC energy meters can measure of important DC parameters: Village,. current, power and energy etc. It also support bi- directional measurement with pulse output.
  • Page 3 Eastron DCM230 User Manual General Specifications Voltage DC Input 5~300V DC, 5~600V DC, 5~1000V DC Auxiliary Supply 85~300V AC (DCM230-1) or 9-60V DC (DCM230-2) DC Shunt Input 75mV (default) 60mV, 45mV (optional) Current Range 0~2000A Power consumption ≤ 2W / 5VA...
  • Page 4 Eastron DCM230 User Manual Shunt Primary Current The unit can be configured to operate with primary current and secondary input. Primary current range: 0~2000A. Second input: 75mV in default (45mV, 60mV optional) RS485 Output for Modbus RTU For Modbus RTU, the following RS485 communication parameters can be configured from the Set-up menu:...
  • Page 5 Eastron DCM230 User Manual *Over-current alarm: Alarm will happened when the current is over the CT1 value set on the meter. The Alarm LED will stay solid and the corresponding register value will be changed. The user can read this register through communication to determine whether an overcurrent alarm has occurred.

  • Page 6: Operation

    Eastron DCM230 User Manual PART 2 Operation Initialization Display When it is powered on, the meter will initialize and do self-checking. Full Screen (stay 2s) Software Version (stay 2s) Current Modbus address (stay 2s) B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36...

  • Page 7: Buttons Function

    Eastron DCM230 User Manual Current baud rate (stay 2s) Total active energy(kWh) Total=Import+ Export Max read: 999999.9 kWh Buttons function There are two buttons on the front panel. >Scroll the display for data checking. >Changing option at Set-up mode >Exit the Set-up mode >Set-up mode entry...
  • Page 8 Eastron DCM230 User Manual Scroll display After initialization and self-checking program, the meter displays the measured values. The default page is total kWh. If the user wants to check other information, please press the scroll button on the front panel.
  • Page 9 Eastron DCM230 User Manual Voltage Current Power Display format: <1000 W: XXX W <1000kW: XXX.XXX kW For other value: XXXX.XX kW Pulse constant B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer - 9 - Fax: +49 3574 4675519...
  • Page 10 Eastron DCM230 User Manual CT1 Primary current Meter address Baud rate Parity B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer - 10 - Fax: +49 3574 4675519 Web: www.eastron-germany.de...
  • Page 11 Eastron DCM230 User Manual Date *Multi-tariff version only Time *Multi-tariff version only Software Version B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer - 11 - Fax: +49 3574 4675519 Web: www.eastron-germany.de...
  • Page 12 Eastron DCM230 User Manual Set-up Mode To get into Set-up Mode, the user need press the “Enter” button for 3 second. Page Display Descriptions Password To get into Set-up mode, it asks a password confirmation. Default password: 1000 to enter correct password.
  • Page 13 Eastron DCM230 User Manual Keep pressing for 3 second, the current selection will flash, use to change the type of Pulse Output. Options: total kWh, IMP kWh, EXP kWh Keep pressing for 3 second, the current selection will flash, use to change the pulse constant.
  • Page 14 Eastron DCM230 User Manual Keep pressing for 3 second, the current selection will flash, use to change the DIT(Demand Integration Time). Options: 0,5,8,10,15,20,30,60( default) to select the scroll display time option. Keep pressing for 3 second, the current selection will...
  • Page 15 Eastron DCM230 User Manual Shunt wiring to select the shunt connection option. Keep pressing for 3 second, the current selection will flash, use to choose the connection way. Option: N, P N: Negative type (default) P: Positive type to select the date interface, Keep pressing for 3 second.
  • Page 16 Eastron DCM230 User Manual 15-1 the current selection will flash, use to set the correct time information *Multi-tariff version only Tariff information ( for view only and cannot be set) *Multi-tariff version only 16-1 T1 means tariff number Range from T1-T4 T0 means invalid rate number.

  • Page 17: Terminal Connection

    Eastron DCM230 User Manual Wiring diagram Terminal Connection AC Power Supply: DC Power Supply: Shunt Connection Positive Type: Negative Type: B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer - 17 - Fax: +49 3574 4675519 Web: www.eastron-germany.de...
  • Page 18 Eastron DCM230 User Manual Dimensions B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer - 18 - Fax: +49 3574 4675519 Web: www.eastron-germany.de...

  • Page 19: Modbus Protocol

    Eastron DCM230 User Manual PART 3 Modbus Protocol Input registers are used to indicate the present values of the measured and calculated electrical quantities. Each parameter is held in two consecutive16 bit register. The following table details the 3X register address, and the values of the address bytes within the message.
  • Page 20 Eastron DCM230 User Manual 34877 Float Total active Energy Rate 1 34879 Float Total active Energy Rate 2 34881 Float Total active Energy Rate 3 34883 Float Total active Energy Rate 4 34885 Float Import active Energy Rate 1 34887...
  • Page 21 Eastron DCM230 User Manual (Total、Rate1、Rate2、Rate3、Rate4) Total Last 9month active Energy 38273 Float (Total、Rate1、Rate2、Rate3、Rate4) Total Last 10 month active Energy 38283 Float (Total、Rate1、Rate2、Rate3、Rate4) Total Last 11 month active Energy 38293 Float (Total、Rate1、Rate2、Rate3、Rate4) Total Last 12 month active Energy 38303 Float (Total、Rate1、Rate2、Rate3、Rate4)
  • Page 22 Eastron DCM230 User Manual 312325 Float Total Last 19 days active Energy 312327 Float Total Last 20 days active Energy 312329 Float Total Last 21 days active Energy 312331 Float Total Last 22 days active Energy 312333 Float Total Last 23 days active Energy...
  • Page 23 Eastron DCM230 User Manual Note: (1): The method of power demand calculation is: Import- Export. When the import and export powers appear in the demand period, the import power subtract the export power during data processing. (2) The red marked are commonly used registers which allow users to read continuously at one time.
  • Page 24 Eastron DCM230 User Manual Write pulse1 on period in Milliseconds: 60, 100 or 200, default 100. 40013 Pulse Width Length : 4 byte Data Format: float Write the network port parity/stop bits for MODBUS Protocol, where: 0 = 1 stop bit and none parity, default.
  • Page 25 Eastron DCM230 User Manual Options: 0 means 2400 bps 1 means 4800 bps 2 means 9600 bps 40029 Baud Rate 3 means 19200 bps 5 means 1200 bps Default：2 Length : 4 byte Data Format: float Range: 0~60s. 0 means no scroll...
  • Page 26 Eastron DCM230 User Manual 463776 Options： 00 01：Total=Import Energy 00 02：Total=Import+Export Measurement 00 03：Total=Export model Length : 2 byte Data Format: Hex 461441 Data definition: Second- minute- hour-week-date-month- Date and Time year-20 Length: 8 byte Data Format: BCD 463233 Date definition: Tariff number-minute- hour Tariff setting range: 01,02,03,04;...
  • Page 27 Eastron DCM230 User Manual PART 4 Shunt ESFL-2A Series Primary Input Rated Voltage Output Accuracy Dimension(mm) 10-50 A 75/60/45 mV 0.5% 25x120x22 75-100 A 75/60/45 mV 0.5% 23x109x11 150-200 A 75/60/45 mV 0.5% 22x118x22 300 A 75/60/45 mV 0.5% 26x127x22...