User manual for Shuangbin three‑phase harmonic multifunction network power meter covering installation, wiring, programming, communication and troubleshooting.
This manual provides detailed information on the Shuangbin three‑phase harmonic multifunction network power meter, including product overview, functional description, technical specifications, installation, wiring diagrams, programming steps, panel operation, communication protocols and output options.
Safety precautions, recommended wiring methods, configuration examples and a troubleshooting guide are included to help professional installers and service technicians set up and maintain the meter correctly. This manual is written in Chinese.
| Voltage range | 380 V / 100 V |
|---|---|
| Frequency range | 45 ~ 65 Hz |
| Auxiliary power supply | AC 85 ~ 265 V / AC 220 V |
| Communication speed | 1200 ~ 38400 bps |
| Analog output | 4 ~ 20 mA / 0 ~ 5 V |
| Relay output capacity | 5 A / 250 VAC (resistive), 5 A / 30 VDC |
| Relative humidity | < 80 % RH |
| Insulation resistance | > 5 MΩ (signal, power, output to chassis) |
| Withstand voltage | > 2 kV AC (signal, power, output to chassis) |
Check that the meter’s communication settings (slave address, baud rate, parity) match the master device, verify the RS‑485 bus connections, and test with a single meter to isolate the fault.