Siemens SIMATIC S7-400 Reference Manual page 398

Parameter sets of signal modules
A.2 Parameters of digital input modules
You enable a parameter by setting a logical "1" at the corresponding bit.
Table A-3
Byte 0
Byte 1
Hardware interrupt
Byte 2
Hardware interrupt
Byte 3
Hardware interrupt
Only for 6ES7 421-7BH0x-0AB0
1
The following table shows the structure of data record 1 (bytes 4, 5, and 6) for the parameters
of digital input modules.
398
Data record 1 for parameters of digital input modules
Byte Bit
7
6
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Hardware interrupt enable
Diagnostics interrupt enable
Reaction to error
1
On rising edge at channel 7
On rising edge at channel 6
On rising edge at channel 5
On rising edge at channel 4
On rising edge at channel 3
On rising edge at channel 2
On rising edge at channel 1
On rising edge at channel 0
On rising edge at channel 15
On rising edge at channel 14
On rising edge at channel 13
On rising edge at channel 12
On rising edge at channel 11
On rising edge at channel 10
On rising edge at channel 9
On rising edge at channel 8
On falling edge at channel 7
On falling edge at channel 6
On falling edge at channel 5
On falling edge at channel 4
On falling edge at channel 3
On falling edge at channel 2
On falling edge at channel 1
On falling edge at channel 0
Reference Manual, Ausgabe 11/2016, A5E00850736-08
Meaning
S7-400 Automation System Module Data