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Communication protocols
Modbus > Modbus Slave - Functionality
Error codes
72
The following error codes are defined in accordance with the Modbus specification:
Error code
Meaning according to Modbus
specification
1
Illegal function
2
Illegal data address
3
Illegal data value
4
Failure in associated device
5
Acknowledge
6
Busy, rejected message
7
Negative Acknowledgement
VIPA System 300S
Cause
Illegal function code
Slave has illegal data address
Slave has illegal data value
Slave has internal error
Function is carried out
Slave is not ready to receive
Function cannot be carried out
HB130 | CP | 341-1CH01 | en | 18-40
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