Siemens S5-135U/155U - Manual (Page 286)

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