Siemens S5-135U/155U User Manual
Page 286
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6-24
System Manual
C79000-G8576-C199-06
Note
On switch S1, the On position is on the left; on switches S2 and S3, however,
it is on the right (see Figure 6-10).
on off
on
on
off
off
Figure 6-10
DIL Switches on the COR 923C (Settings when Delivered)
You set the number of CPUs present in the PLC with the 3 DIL switches S1.4
to S1.6. You may only set one switch.
The factory setting is “Number of CPUs = 2” (see below).
Factory setting:
Switch
Setting
Meaning
on
off
S1.1
x
–
S1.2
x
–
S1.3
x
Test mode (see also Sec. 6.3)
S1.4
x
Number of CPUs = 2
S1.5
x
Number of CPUs = 3
S1.6
x
Number of CPUs = 4
Setting the DIL
Switches
Coordination
Section (Number
of CPUs)
Multiprocessor Operation/Coordinators
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