You enable a parameter by setting a logical "1" at the corresponding bit.
Table A-6
Data record 1 for parameters of digital output modules
Byte
Bit
Meaning
Byte 0
7
6
Diagnostics interrupt enable
5
4
3
2
1
0
Reaction to CPU STOP
Byte 1
Substitute
value
7
Enable substitute value 1 on channel 7
6
Enable substitute value 1 on channel 6
5
Enable substitute value 1 on channel 5
4
Enable substitute value 1 on channel 4
3
Enable substitute value 1 on channel 3
2
Enable substitute value 1 on channel 2
1
Enable substitute value 1 on channel 1
0
Enable substitute value 1 on channel 0
Byte 2
Substitute
value
7
Enable substitute value 1 on channel 15
6
Enable substitute value 1 on channel 14
5
Enable substitute value 1 on channel 13
4
Enable substitute value 1 on channel 12
3
Enable substitute value 1 on channel 11
2
Enable substitute value 1 on channel 10
1
Enable substitute value 1 on channel 9
0
Enable substitute value 1 on channel 8
The following table shows the structure of data record 1 (bytes 3, and 4) for the parameters of
digital output modules.
You enable a parameter by setting a logical "1" at the corresponding bit.
Table A-7
Data record 1 for parameters of digital output modules
Byte
Bit
Meaning
Byte 3*
Substitute
value
7
Enable substitute value 1 on channel 23
6
Enable substitute value 1 on channel 22
5
Enable substitute value 1 on channel 21
4
Enable substitute value 1 on channel 20
3
Enable substitute value 1 on channel 19
2
Enable substitute value 1 on channel 18
1
Enable substitute value 1 on channel 17
0
Enable substitute value 1 on channel 16
Parameter sets of signal modules
A.3 Parameters of digital output modules
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
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