Acrel AMC Series User Manual

32
Example: DO1 is the A-phase voltage alarm. When the under-voltage alarm occurs at 14:56:32 on January
22, 15th, the alarm value is 172.2V, the corresponding register value is shown in Table.
High 8 bits
Low 8 bits
Address 1
128
0
Address 2
1
0
Address 3
15
1
Address 4
22
14
Address 5
56
32
Address 6
1722
7 Common fault analysis
Common fault analysis and elimination
Fault content
Analysis
Remarks
No display after power on
Check if the power supply voltage is within the operating voltage
range
Voltage, current, power, etc.
readings are incorrect
Check if the voltage-to-current ratio setting is correct
Check if the wiring mode setting is consistent with the actual
Check if voltage transformer, current transformer is intact
Power or power factor is
incorrect
Check if the wiring mode setting is consistent with the actual
Check if the voltage and current phase sequence is correct
Check if the wiring is correct
Communication is not
normal
Check whether the address, baud rate, check digit, etc. in the
communication settings are consistent with the host computer.
Check if the RS485 converter is normal
Parallel connection of 120 ohms or more at the end of
communication
Check if the wiring is correct

Acrel AMC Series Specifications

General

Brand	Acrel
Model	AMC Series
Category	Measuring Instruments
Language	English