DC Meter
1 circuit 1000V din rail mounted DC meter
SCM5102 is a rail type DC energy meter that supports measuring 5-1000V DC voltage, RS485 Modbus/DLT645 communication, designed specifically for measuring and monitoring DC energy systems. It can measure various parameters such as current, voltage, power, frequency, input and output energy in DC power systems. In addition to the pulse output interface, it is also equipped with an RS485 port, and all data can be remotely communicated through RS485 Modbus RTU.
Specifications
| Voltage | 5-1000V DC |
| Input current (shunt) | 75mV（45mV/60mV optional） |
| Shunt primary current | 1-2000A |
| Auxiliary power supply | 85-300V AC / 9-40V DC |
| AC power consumption | ≤ 2W / 5VA |
| DC power consumption | ≤ 2W |
| AC withstand voltage | 4400V / 1min |
| Pulse withstand voltage | 6.4kV~1.2/50uS |
Accuracy
| V | 0.5% |
| A | 0.5% |
| P | 1% |
| Q | 1% |
| Performance standards | |
| Working humidity | ≤90% |
| Storage humidity | ≤95% |
| Working temperature | -25℃-+55℃ / -40℃-+70℃ |
| Storage temperature | -40℃-+70℃ |
| Installation category | CATII |
| Waterproof rating | IP51（indoor） |
| Electrostatic discharge | 8kV contact discharge / 15kV air discharge |
| EMC | IEC 61000-4-3 |
| Group pulse | 4kV |
| Conducted radiation | IEC 61326-1 |
| Bus type | RS485 |
| protocol | Modbus RTU or DL/T 645 |
| Baud rate | 1200/2400/4800/9600/19200bps |
| Address range | 1-247 |
| Bus load | 64pcs |
| Communication distance | 1000M |
| Parity | EVEN/ODD/NONE |
| Data bit | 8 |
| Stop position | 1 or 2 |
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