EUCHNER CTP-AR Series, Operating Instructions Manual, Page: 6 / 36

Operating Instructions
Transponder-Coded Safety Switch CTP-LBI-AP
6
(translation of the original operating instructions) 2136918-04-05/19
3. Description of the safety function
Devices from this series feature the following safety functions:
Monitoring of guard locking and the position of the guard (interlocking device with guard locking according
to EN ISO 14119)
Ì Safety function (see chapter 6.6. Switching states on page 9 ):
-The safety outputs are switched off when guard locking is released (monitoring of the locking device).
-The safety outputs are switched off when the guard is open (monitoring of the door position).
-Guard locking can be activated only when the actuator is located in the switch head (failsafe locking mechanism).
Ì Safety characteristics: category, Performance Level, PFH
D
(see chapter 13. Technical data on page 23 ).
Activation of guard locking
If the device is used as guard locking for personnel protection, the control of the guard locking must be regarded as a
safety function.
The safety level for the control of the guard locking is determined by the device PFHD
int.
and by the external control (e.g.
PFHD
ext.
of the standstill monitor), but cannot be higher than PL
b
.
PFHD
int.
(internal electronic)
Guardlocking Device
PFHd
ext.
(e.g. standstill
monitor)
(locking mean)
Safety characteristics: category, Performance Level, PFH
D
(see chapter 13. Technical data on page 23 ).