Performance Paramaeter:
1.Single Phase AC Input:
1) Voltage Range: 220V
2) Current Range: 50A
3) Signal processing: Adopts chip and 24-bit AD sampling.
4) Overload Capacity: 1.2 times the sustainable range is instant (20 MS) current 5 times, voltage is 1.5 times more damaged range.
5) Input Impedance: Voltage Channel > 1K Ohm/V
2.Communication Interface:
1) Interface Type: 1 channel TTL communication interface, compatible with 5V/3.3V
2) Communication protocol: MODBUS-RTU
3) Data Format: Can be set by software, "N,8,1" "E,8,1" "O,8,1" "N,8,2"
4) Communication speed: Baud rate can be set as 1200, 2400, 4800, 9600Bps. The default baud rate is 4800bps
3. Measuring output data: voltage, current, power, electric energy, power factor, frequency, etc.
4. Measuring accuracy: voltage, current, electric quantity: +/- 1.0%, effective power power level 1 level
5. Isolation: islated RS-285 interface from supply power, voltage input, current input; isolation pressure resistance is 2000V DC
6. Power: DC single power supply 5V, power consumption 8-10mA
7. Operating Environment:
1) Operating Temperature: 70 to -20 Celsius; Storage Temperature: 85 to -40 Celsius
2) Relative humidity: 5-95%, condensation (40℃)
3) Altitude Height: 0-3000m
4)Environment: No explosion, corrosive gas and electric conductive dust, visible vibration, vibration or collision location
8. Temperature drift: <; = 100ppm / Celsius
9. Installation way: PCB soldered
10. Module Size: 1.0 x 1.7 x 1.1 inches (25.6 x 43.3 x 29 mm)
Pin Introduction:
1. VL: Librine; Test Voltage Librine Interface
2. VN: null wire; test voltage null line interface
3. PF: output; active power electrical energy check pulse output, low level output by default
4. TXD: Output, Module TTL Level Transmitting
5. RXD: Input, module TTL level reception
6.V +: Power source positive, measurement module power terminal is 4.8 V - 5.5 V
7. V-: Power Ground