OI PT 1300 D English / Edition 3.0 / 23.10.2009
11.4 MODBUS EXCEPTIONS
1 Illegal Function, only 0x03 and 0x06 are legal functions, all other are illegal
2 Illegal Data Address, command 0x03 and Register-Address higher 15, command
0x06 and writing of a Register-Address higher 2
3 Illegal Data Value – does not exist on the PT1300D
Remark: if more than 8 Byte recieved, is this a invalid communication. The
communication is ignored, without reply.
4 Occur the command 0x06, cause are illegal values, see register-definition
11.5 INTERFACE PARAMETER
Interface parameters:
9600 baud
8 Datenbit
2 Stopbit
kein Parity
The RTU-Transmission-Mode is implemented.
Other modes and Interface-Parameter are not supported.
Message from Master have a maximum lenght of 8 Byte, if not so the message is ignored.
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