Digital modules
8.3 SM 326; DI 24 x DC 24V
Fail-safe signal modules
Installation and Operating Manual, 01/2010, A5E00085586-10
79
Channel numbers
The channel numbers are used to uniquely identify the inputs and to assign channel-specific
diagnostic messages. You can configure 1oo1 and 1oo2 evaluation of the sensors
separately for each module channel or channel pair (see table below for example).
YY
YY
RRRR
RRRR
&KDQQHOQXPEHU
/HIW 5LJKW
Figure 8-3 Channel numbers for SM 326; DI 24 x DC 24V
Table 8- 1 SM 326; DI 24 x DC 24V: Example of a channel configuration
Left
channels
Right
channels
Evaluation of
the sensors
Description
0 12 1oo2 Channel pair configured for 1oo2 evaluation; channel 0 is
available as I x.0 in the I/O input area in the F-CPU
1 13 1oo2 Channel pair configured for 1oo2 evaluation; channel 1 is
available as I x.1 in the I/O input area in the F-CPU
2 14 1oo1 Single channels configured for 1oo1 evaluation, channels
2 and 14 are available as I x.2 and I x+1.6 in the I/O input
area in the F-CPU
3 15 1oo1 Single channels configured for 1oo1 evaluation, channels
3 and 15 are available as I x.3 and I x+1.7 in the I/O input
area in the F-CPU
4 16 1oo2 Channel pair configured for 1oo2 evaluation; channel 4 is
available as I x.4 in the I/O input area in the F-CPU
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