Siemens CU240S DP-F - Page 300

Functions
8.18 Fail-safe functions
Control Units CU240S
8-104 Operating Instructions, 11/2006, A5E00766042B AA
3
P'
6/6
P'
66
W
˂)
˂)
KLJK
˂)
)
PD[
I
)
WRO

3
)
PLQ6/6

3

)
PLQ66

3
P
˂)
ORZ
˂)
˂)
˂)
VOLS
)
PD[
˂)
VOLS
Figure 8-68 Safety limits for SLS and SS1