Example:
A current value of 10.3 A is transferred. The actually transferred numerical value is 103, i.e. 0x67 in
the hexadecimal system.
Exception condition code
The following exception condition codes are possible:
2 INVALID DATA ADDRESS • Value of register number field is not 1
• Parameter unknown
3 INVALID DATA VALUE • Number of bytes in data field too small or too high
4 SLAVE DEVICE ERROR • Error when reading parameters
For a description of the exception condition codes, refer to Chapter 7.2.9 “Exception condition codes”.
Example Telegrams:
7.2.2 Function code 6, write 16-bit parameter
This function code is used for writing integer or unsigned integer values into the frequency inverter.
Request Write 16-bit parameter:
Start address (dataset / para. no.)
Register value (parameter value)
Response:
Start address (dataset / para. no.)
Register value (parameter value)
Exception condition response:
10/13
ACU
Modbus/TCP 29
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