Thông số kỹ thuật:
Accuracy of measurement
Current: 0.2% from 10 to 110%/ In
Voltage: 0.2% from 140 to 700% VAC
Power: 0.5% of full scale (-90° to +90°)
Power Factor : 0.5% for 0.5 < PF< 1
Frequency: 0.1% from 45 to 65 Hz
Active energy : ±0.5% from 0.02 to 1.2 In with
PF = 0.5L or 0.8C
Reactive energy: ±2% from 0.1 to 1.2 In with cos = 0.5L or C
Current inputs
Primary CT : 5-10000A
Secondary CT: 5A / 1A
Sensing range: 10mA to 10A
Permissible overload : 50A 1sec
Consumption: < 0.1VA
Galvanic insulation: 2.5kV
CT earth connection (secondary): yes
Voltage inputs
Direct measurement: from 18 to 700VAC (phase/ phase)
Voltage sensing transformer: from 10 to 404VAC (phase/ neutral)
(secondary 60, 100, 110, 115, 120, 173, 190V)
Galvanic insulation : 2.5kV
Frequency: 45 to 65 Hz
Auxiliary power supply
Standard: 110 to 440 VAC ±10%
120 to 350 VDC ±20%
Others 12- to 48VDC -6/+20%
Consumption < 10VA
Inputs
Type Optocouplers: (10 to 30VDC)
Monitoring or command outputs
Type REED relays: (250VAC – 5A – 1250VA)
Pulse outputs
Type REED relays : (100VDC – 0.5A – 10VA)
Communication
RS 485 : 2 or 3 wire half duplex
Protocol : PROFIBUS/ JBUS/ MODBUS protocol mode
Speed: 2400 to 38400 Bauds
Analogue outputs 0/4 – 20mA
Load resistance: 0 to 600 ohms
Response time: 1sec
