Format of the parameter telegram
7725_en_01
PHOENIX CONTACT
A-5
A 4
Format of the parameter telegram
This section provides a detailed description of the format of the parameters for the bus
coupler and the I/O terminals. This may be useful when setting parameters using acyclic
services or if there is no user interface for the simple selection of parameters.
Table A-9
Parameters for the bus coupler
Byte
Bit
Meaning
Bytes 1 to 7
DP standard
Bytes 8 to 10
DP/V1 standard
Byte 11
Control byte
Bit 7
0: Hide channel-specific diagnostics
1: Show channel-specific diagnostics
Bit 6
0: Do not rotate DI32 and DO32 data
1: Rotate DI32 and DO32 data
Bit 5
0: SET_PRM does not overwrite dynamic configuration
1: SET_PRM overwrites dynamic configuration
Bit 4
0: Do not rotate DI16 and DO16 data
1: Rotate DI16 and DO16 data
Bit 3
Reserved (set to 0)
Bit 2
Reserved (set to 0)
Bit 1
0: Automatically acknowledge peripheral faults
1: Manually acknowledge peripheral faults
Bit 0
0: Stop local bus in the event of terminal failure
1: Operate local bus with available terminals
The data for the configuration and the failsafe value can be found in the terminal-specific
data sheets.
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