Technical Specifications - Orbis ANRET M-90A-BUS Manual De Uso

TECHNICAL SPECIFICATIONS

• Power supply: 400 V AC (-15%/+10%), 50/60 Hz (terminals 2 and 3)
• Electrical quantities measured:
− Phase voltage, voltage between lines (chain), and system voltage
− Phase and system current
− Active, reactive, and apparent phase and system power
− Active and reactive phase and total system Energy (zeroable)
− Phase and system power factor (cos )
− Frequency
• Connection type:
− 3-wire connection with neutral
− 3-wire connection without neutral: only for symmetrical and balanced systems
• Voltmetric inputs: V
• Amperometric inputs: I
• Insulated serial output RS-485, for communication protocol MODBUS RTU
• Termination:
− voltmetric inputs: 4-pole terminal strip; maximum section of wires: 2,5 mm
− RS485 serial line: 2-pole terminal strip; maximum section of wires: 2,5 mm
− amperometric inputs: direct connection, with the current wires inserted into the
suitable holes; maximum section of current leads: 25 mm
through hole: 12,5 mm
• Maximum consumption (device only):
− voltage circuits < 2.5 VA
− current circuits < 2.5 VA
− power supply < 4VA
• Display: LCD display
• Dimensions: 7 DIN sizes
• Operating temperature: -10 °C ÷ +45 °C
• Storage temperature: -10 °C ÷ +60 °C
• Relative humidity: 10% ÷ 90% non condensing
• Protection rating: IP20/IP51 on the front
RESOLUTION AND ACCURACY
• Voltage
− Maximum reading: 266V (phase - neutral)
− Accuracy: ±0,5% full scale ± 1 digit (full scale: 253V)
− Resolution: 1V
= 440 V rms (phase – phase)
max
V = 3x253 V rms (phase – neutral)
max
= 10 A; I = 90 A
b max
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User Manual - ANRET M-90A-BUS
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