Technical parameter

Index

       Input

DC rated voltage

1 channel: -48VDC

DC current

6 channels hall sensors: total 200A/5V, China Telecom, China Mobile,

China Unicom and the 1st channel reserve 50A/5V, 2nd

channel reserve 100A/5V.

Commercial power

monitoring

1 channel: 0-5VDC

Overload capacity

Voltage:1.2times continued,2 times continued 1s;

Current: 1.2 times continued,10 times continued 1s.

Accuracy (superposition hall sensors)

1%In≤I≤10%In error±2.5%; I>10%In error±2%

Measurement resolution

Voltage output accuracy 0.01V; current output accuracy 0.01A;

power output accuracy 0.01kw; energy output accuracy 0.01kwh

functions

Basic function

Monitor device system time, total voltage, output total current, power, energy, each channel voltage, current, power, energy; LED

indicator display;485 communication

Metering function

Start current: under rated voltage, when the load current value of the meter doesn’t exceed 1% of the max. current, the meter starts.

Shunt running current: when there is no current in the current circuit of the meter, and 85%-125%of the rated voltage is applied on the voltage circuit, the calculator shall not have more than one digital change

Alarm function

DC voltage output low alarm,DC voltage output high alarm,one  power down alarm, module voltage loss alarm, metering branch error alarm, internal program error alarm, clock error alarm,memory failure alarm, AC input power failure alarm

Timing function

support broadcast timing, could remote timing to the meter through

RS485 communication.

Communication

Single channel RS485, baudrate 9600bps, can be set to 1200BPS, 2400bps, 4800bps.

Communication protocol: standard or customized

Hall sensor power

supply

Power supply output:+12V/100Ma, -12V/50mA

Clock accuracy

≤0.5S/d(23℃), ≤1S/d(-20℃-60℃),

Auxiliary power

supply

Voltage range

-40V~-60VDC

Power consumption

Whole device≤2W( no hall power supply output)

Storage

It has the storage function of historical power data and historical

alarm information, and the memory is 2MB

Insulation resistance

≥40MΩ

environment

Temperature

Working : -20℃~+60℃; storage:-40℃~+70℃

Humidity

≤98% no condensation, no corrosive gas place

Altitude

≤4000m

Protection level

IP20

Material flame retardent

Terminal glow wire temperature 960℃±10℃ ,shell glow wire temperature 6500℃±15℃

installation

Standard 35mm din rail

Lightning protection

Voltage input

(differential mode)

Peak value 5kA

Auxiliary power supply

(differential mode)

Peak value 5kA