Describe
Multifunctional power meter is a kind of programmable measurement, display, digital communication
Multifunctional power meters with functions such as communication and power pulse transmission and output can complete power measurement, power measurement, data display, collection and transmission, and can be widely used in substation automation, power distribution automation intelligent buildings, and internal power measurement, management, and management of enterprises. Assessment. The measurement accuracy is 0.5, realizing LED field display and remote RS-485 digital communication interface, using MODBUS-RTU communication protocol
Specification
Wiring: Three-phase four-wire Y34/three-phase three-wire V33
signal input
Voltage
Range: 400V/100V
Overload: continuous: 1.2 times, instantaneous: 2 times
Power consumption: <1VA
Current
Range: 5A/1A
Overload: continuous: 1.2 times, instantaneous: 2 times
Power consumption: <1VA
Frequency: 40~65Hz
Power supply: AC220V or AC/DC80-270V
Electric energy pulse: passive optocoupler collector output, fixed pulse width 80mS±20%
Communication: RS485 communication interface, physical compartment. Comply with the international standard MODBUS-RTU protocol. The communication speed is 1200~9600. Validity method N81, E81, O81
Measurement level: power (0.5), frequency (±0.1Hz), active energy (0.5S), reactive energy (1), analog input (0.5)
Display mode: LED/LCD
Working temperature: -10~50℃
Storage temperature: -20~75℃