I. multifunction power meter with RS485, main technical parameters: *Power supply:AC220V or AC/DC 80V~260V           *3-phase 3-wire, 3-phase 4-wire, CE approved panel mount programmable switchboard LCD digital power meter *Voltage rated value:AC100V400V   accuracy:0.5   low voltage switchgear use digital panel meter with RS485                                  *Current rated value:AC1A/AC5A  accuracy:0.5  three phase digital ammeter digital input output  *Frequency:40-60Hz                                  Function module: three phase digital voltmeter analog output 4-20ma                        *Standard configuration: 1 way RS-485 communication, Modbus-RTU protocol                  *Power pulse output: 1 way active power, 1 way reactive power pulse output  LED three phase digital voltmeter ammeter combination  =======================================    Additional functions: panel mounted programmable alarm single-phase led digital voltmeter      *Discrete output(DO):Support 4 - way relay output, capacity:AC250V/5A, DC30V/5A;             *Discrete input(DI):Support 4 - way dry point input;  distribution system electricity single-phase led digital ammeter                                      *Analog output:Support 4 way analog output, 4~20mA/0~20mA or 0~5/0~10V II. Advantages: portable diesel generator use moving-iron moving-coil analog panel meter 1.Can replace traditional analog or single function digital meter, reduce system cost, facilitate on-site wiring, improve system reliability.(Simultaneous measure current, voltage, frequency, active power, reactive power, apparent power, electrical energy, power factor and other datas in power grid.) Analog display electrical measuring ammeter voltmeter 2.With serial port RS-485, can connect an open architecture computer network. With Modbus-RTU communication protocol applied to facilitate computer programming or reading numbers. 3.On basis of this meter, a simple monitoring system can be established by adding a central communication main control display software based on IPC industrial computer. III. Usages: 1.Factory and building automation. 2.Power grid and automated control systems' on-site monitoring. 3.Medium and low voltage system, SCADA, EMS, CCS integration vendors. 4.Transformers, generator sets, capacitor banks and motor's distributed detection.        Â
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