Eastron DCM230 Bedienungsanleitung
Eastron DCM230 User Manual
B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: +49 3574 4675519 Web: www.eastron-germany.de
- 1 -
⚫Measures kWh, W, V, A etc.
⚫Bi-directional measurement IMP & EXP
⚫Pulse output
⚫RS485 Modbus
⚫Din rail mounting 35mm
⚫DC shunt connection
⚫Class 1
DCM230 DC Energy Meter
User Manual V1.5
2021
Eastron DCM230 User Manual
B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: +49 3574 4675519 Web: www.eastron-germany.de
-2 -
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. All data in the meter are accessible via RS485 using Modbus RTU. The
meter has two versions working with AC or DC power supply. Input voltage range up to 300, 600, 1000V DC, and
current inputs are flexible with DC shunt and current sensors. The multi-tariff version has a RTC equipped inside, it
can provides multi-tariff information and monthly records.
PART 1 Specification
Model list
Eastron DCM230 User Manual
B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: +49 3574 4675519 Web: www.eastron-germany.de
-3 -
5~300V DC, 5~600V DC, 5~1000V DC
85~300V AC (DCM230-1)
or 9-60V DC (DCM230-2)
75mV (default)
60mV, 45mV (optional)
0~2000A
≤ 2W / 5VA
4400V/ 1min
6.4kV - 1.2/50µS waveform
1, 10, 100, 1000imp/kWh (default)
60, 100 (default), 200mS
Total kWh/ import kWh/ export kWh
LCD with backlit
999999.9kWh
220g
General Specifications
Voltage DC Input
Auxiliary Supply
DC Shunt Input
Current Range
Power consumption
AC voltage withstand
Impulse voltage
withstand Pulse output
Pulse duration
Pulse output indicate
Display
Max. Reading
Weight
Standard
Accuracy class
GB/T 33708-2017
Unit Characteristics
The Unit can measure and display:
⚫voltage
⚫Currents
⚫Power
⚫Active energy imported and exported
Pulse output indicates real-time energy measurement. An RS485 output allows remote monitoring from another
display or a computer.
1 (max. 1% measurement deviation)
Eastron DCM230 User Manual
B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: +49 3574 4675519 Web: www.eastron-germany.de
-4 -
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:
Baud rate 1200,2400, 4800, 9600,19200 bps
Parity none (default)/odd/even
Stop bits 1 or 2
RS485 network address nnn – 3-digit number, 001 to 247
Modbus™ Word order
Hi/Lo byte order is set automatically to normal or reverse. It cannot be configured from the set-up menu.
Set-up screens are provided for setting up the RS485 port.
Pulse output
The unit provides a pulse output. The constant can be configured to below:
1000 imp/kwh
100 imp/kWh
10 imp/kWh
1 imp/kWh
Pulse width: 200/100(default)/60 ms.
Note: the relationship between pulse constant and CT1
CT1 setting
Default pulse constant
Settable pulse constant
1 – 20
1000 imp/kWh
1000,100,10,1 imp/kWh
21 – 200
100 imp/kWh
100,10,1 imp/kWh
201 – 2000
10 imp/kWh
10,1 imp/kWh
*when the CT setting on meter is 2000A, the default pulse constant is 10 imp/kWh and it can be set to 10 imp/kWh
or 1 imp/kWh.
Eastron DCM230 User Manual
B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: +49 3574 4675519 Web: www.eastron-germany.de
- 5 -
*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.
The pulse outputs can be set to generate pulses to represent Import kWh/ Export kWh/ total kWh.
The pulse output is passive type, complies with IEC62053-31 Class A.
Environment
Operating temperature -25℃ to +70℃
Reference temperature 23℃±2℃
Relative humidity 0 to 90%, non-condensing
Altitude up to 2000m
Installation category CAT II
Mechanical Environment M1
Electromagnetic environment E2
Degree of pollution 2
Mechanics
Din rail dimensions 36x99x63 (WxHxD) DIN 43880
Mounting DIN rail 35mm
Sealing IP51 (indoor)
Material Self-extinguishing UL94V-0
Eastron DCM230 User Manual
B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: +49 3574 4675519 Web: www.eastron-germany.de
- 6 -
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)
Eastron DCM230 User Manual
B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: +49 3574 4675519 Web: www.eastron-germany.de
- 7 -
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
>Confirmation
Eastron DCM230 User Manual
B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: +49 3574 4675519 Web: www.eastron-germany.de
- 8 -
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.
Total active energy(kWh)
Total=Import+ Export
Display format:
5+2 -> 6+1 -> 5+2
99999.99 -> 100000.0 ->
999999.9 -> 00000.00
Partial resettable active
energy
Display format:
5+2 -> 6+1 -> 5+2
99999.99 -> 100000.0 ->
999999.9 -> 00000.00
T1~T4: total kWh
*Multi-tariff version only
Eastron DCM230 User Manual
B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: +49 3574 4675519 Web: www.eastron-germany.de
- 9 -
Voltage
Current
Power
Display format:
<1000 W: XXX W
<1000kW: XXX.XXX kW
For other value: XXXX.XX kW
Pulse constant
Eastron DCM230 User Manual
B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: +49 3574 4675519 Web: www.eastron-germany.de
- 10 -
CT1 Primary current
Meter address
Baud rate
Parity
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