≤100 ms Communication Refresh
Specified RS485 and Ethernet communication refresh time of ≤100 ms for applications requiring timely meter-side DC data updates.
DC02ND-200M1 200 A Integrated-Shunt DC Energy Meter with RS485 and Ethernet
DC02ND-200M1 is an integrated-shunt DC DIN-rail energy meter rated up to 200 A for DC metering applications such as DC charging piles, photovoltaic power stations and energy storage systems. It supports RS485 and Ethernet communication with Modbus RTU, DL/T 645-2007, HTTP-JSON and HTTP-OCMF protocols. Auxiliary power supply: DC 24–36 V. Designed in accordance with German Eichrecht regulations and OCMF S.A.F.E standard.
Integrated Shunt Design
DC 100–1000 V
MID Certification
MID
200 A 200 A
DC 24–36 V Auxiliary power supply
80 mm DIN-rail width (4.5P)
−40°C to +70°C Operating temperature
Product Highlights
Built for fast, connected DC energy monitoring
Class 1 DC Energy Accuracy
Class 1 energy accuracy in accordance with IEC 62053-41 supports reliable DC energy monitoring and billing applications.
RS485 + Ethernet Dual Communication
RS485 supports Modbus RTU and DL/T 645-2007 protocols. Ethernet supports HTTP-JSON and HTTP-OCMF protocols. Dual communication interfaces provide flexible system integration options.
Multi-Tariff and TOU
Supports 4 tariffs and 8 time periods by default. Daylight saving time is configurable. Automatic network time synchronization with temperature compensation.
Eichrecht / OCMF Compliance
OCMF readings compliant with the S.A.F.E standard. Designed in accordance with German Eichrecht regulations.
Line-Loss Compensation
Line-loss energy compensation with real-time shunt temperature monitoring. Supports remote firmware upgrade for ongoing functional enhancements.
Applications
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Explore ApplicationTechnical Specifications
Technical Specifications
| Voltage connection | Direct connection |
| Rated voltage | DC 100 V – 1000 V |
| Voltage tolerance | 0.8 to 1.15 Un |
| Input impedance | 40 MΩ |
| Pulse constant | 1000 imp/kWh |
| Power consumption | ≤2 W (without communication) |
| Current connection | Integrated shunt |
| Current sampling | Shunt sampling |
| Basic current (Ib) | 40 A |
| Minimum current (Imin) | 2 A |
| Maximum current (Imax) | 200 A |
| Starting current (Ist) | 160 mA |
| Voltage accuracy | ±1 % |
| Current accuracy | ±1 % |
| Power accuracy | ±1 % |
| Energy accuracy | Class 1 (IEC 62053-41) |
| Communication interface | RS485 + Ethernet |
| RS485 protocol | Modbus RTU and DL/T 645-2007 |
| Ethernet protocol | HTTP-JSON and HTTP-OCMF |
| Communication type | Bidirectional |
| RS485 connection | 2-wire |
| Network connection | RJ45 |
| RS485 configuration | Modbus address (1 to 247) Baud rate: 9.6 / 19.2 / 38.4 / 57.6 / 76.8 / 115.2 kbps Parity: None / Odd / Even |
| Specified communication refresh time | ≤100 ms |
| LCD display | 8+2 dot-matrix, 1 s refresh, page navigation and setting buttons |
| LED indicators | Green: metering chip normal; Yellow: main+slave chips normal; Red/green alternating: communication abnormal; Steady red: overtemperature, overcurrent or magnetic field warning |
| Metering function | Shunt sampling; measures DC power, current and voltage |
| Metering mode | Absolute-value metering, forward/reverse metering, dual-circuit metering (optional) |
| Tariff function | 4 tariffs and 8 time periods; daylight saving time configurable |
| Self-diagnosis | Storage self-diagnosis |
| Event alarms | Overcurrent, overtemperature, magnetic field detection and low battery |
| Firmware upgrade | Local upgrade and remote upgrade |
| Clock | Automatic network time synchronization with temperature compensation |
| Other functions | Line-loss compensation and real-time shunt temperature monitoring |
| Operating temperature | −40°C to +70°C |
| IP rating | IP20; install in an IP54 outdoor or IP51 indoor enclosure |
| Protection class | Class II |
| Rated impulse withstand voltage | 9.6 kV |
| Installation method | DIN-rail mounting, 4.5P (80 mm) |
| Applicable standards | IEC 62052-11:2020 / IEC 62052-31:2015 / IEC 62053-41:2021 / EN 50470-4 |
Structure & Dimensions
DC02ND-200M1 Dimensions & Wiring
Dimensions
Wiring
Product Downloads
Product Datasheet Download
Datasheet
DC02ND Series Product Datasheet
Official DC02ND series datasheet covering product overview, specifications, wiring and dimensions.
Download PDF- Product overview and features
- Technical specifications
- Wiring diagrams and dimensions
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