Operating Instructions
Operating Instructions
Transponder-Coded Safety Switch CTP-AR
6
(translation of the original operating instructions) 2123041-07-05/19
NOTICE
For information about combination with an AR evaluation unit, please refer to chapter 10.10. Connection
of several CTP‑AR in a switch chain on page 24.
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 ENISO14119)
Ì Safety function (see chapter 6.8. Switching states on page 10):
- The safety outputs are switched off when guard locking is released (monitoring of the locking element).
- 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).
- The following additionally applies in an AR series connection: the safety outputs are switched only when the device re-
ceives a corresponding signal from its predecessor in the chain.
Ì Safety characteristics: category, Performance Level, PFH
D
(see chapter 13. Technical data on page 33).
NOTICE
You can regard the complete AR device chain as one subsystem during calculation. The following
calculation method applies to the PFH
D
value:
#1
PFH
D,1
PFH
D,ext
AR-Device #1 ... n External Evaluation
(e.g. PLC)
PFH
D
ges =∑ PFH
D,k
+ PFH
D,ext
n
k=1
#2
PFH
D,2
#n
PFH
D,n
Alternatively, the simplied method according to section 6.3 of EN 13849-1:2015 can be used for
calculation.