Product Details
Product Description
Product Description
General
AMC Series electric meter
AMC72L-AI3 Programmable Intelligent Electric Parameter Meters--Three phase current
Adopting AC sampling technology, can measure many single phase or three phase grid electrical parameters such as current, voltage, power, electric energy etc. directly or indirectly. It can be used for local display, and also can be connected with the control equipment to form measuring and controlling system.
Fitted with RS-485 communication port, adopting Modbus-RTU protocol. Meters can switch electric parameter signal into standard analog output, with four-channel (two-channel) switching input / two-channel switching output. Based on different requirements, by keys on the faceplate, electric parameters for transformation ratio, alarm, communication etc. can be set up and controlled.
Function
Parameters
Technical Parameter
| Value
|
Input
| Rated Value
| AC voltage:Single phaseAC 100V,400V
Three phaseAC 100V,400V,660V(UL-L,Only 72/ 96)
AC current:AC1A,5A;
DC voltage:1000V,300V,75mV,10V;
DC current: 0-20mA,4-20mA,5A;
|
Overload
| Voltage: 1.2 times rated value(continuous); 2 times rated value /1 second
Current:1.2 times rated value(continuous); 10 times rated value /1 second
|
Frequency
| 45Hz～65Hz
|
Power Consumption
| Power consumption of each voltage,current input circuit is less than 0.5VA
|
Accuracy
| Class 0.5
|
Function
| Display
| LED or LCD
|
Communication
| RS485,Modbus-RTU protocol;(1 start bit,8 data bit,1 stop bit,no parity)
Baud Rate 2400/4800/9600/19200 bps etc.
|
Alarm
| 1 channel passive relay,contact capacity 3A/30VDC,3A/250VAC, Used for high,low,unbalance alarm etc.
|
Analog
| DC4~20mA,( load | Switching
| Input:4 channel or 2 channel dry contact Input,built in power supply
Output:2 channel switching output,NO relay contact,capacity:3A/30VDC,3A/250VAC
|
Auxiliary Supply
| AC/DC 85-265V
|
Power Consumption
| | Insulation resistance
| ≥ 100MΩ
|
Power frequency withstand voltage
| Between power supply set of terminals and signal input,output set of terminals 2kV/1min (RMS)
Between the shell and all set of terminals(except the set of terminals reference voltage less than 40V) AC 4kV
|
Environment
| Temperature
| Operation: -10℃～+55℃Storage: -25°C ~+70°C
|
Humidity
| ≤95%RH,no condensation,without corrosive gas
|
Altitude
| ≤ 2500m
|
FAQ
Q: No display on power?
A: Check whether the supply voltage is within the operating voltage range.
Q: Incorrect reading of voltage,current,electricty,etc?
A: Checking that the voltage/current ratio setting are correct;
Checking whether the wiring mode setting is consistent with the actual situation;
Checking whether the voltage transformer and current transformer are in good condition.
Q: Abnormal communication?
A: Check whether the adress,baud rate,check bits in the communication;
Setting are consistent with the host computer;
Check whether the RS485 converter is normal;
Check the connection is corrent if the resistor above 120 ohm is connected in parallel at the communication end.
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