Delta DPM-C510, Operation Manual

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Multi-functional Power Meter DPM-C510 Operation Manual
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6.1 Error Codes
When an error occurs during operation, the power monitor sends an error code through Modbus. The following
table lists the error codes and causes.
Error Code Name Description
0x01 Illegal function Incorrect function code
0x02 Illegal data address Incorrect data address to read or write
0x03 Illegal data value Incorrect data format (for example, data length)
0x04 Slave device failure Slave cannot execute the command.