7
MAN20001574-01-09/22 (translation of the original operating instructions)
Operating Instructions
Transponder-Coded Safety Switch CTM-C2-BP/BR-FLX
EN
3. Description of the safety function
Devices from this series feature the following safety functions:
The following applies to active guard lock monitoring:
Monitoring of guard locking and the position of the guard
(interlocking device with guard locking according to EN ISO 14119)
Ì
6.4. Switching states on page 11
-The safety outputs are switched off when guard locking is released (monitoring of the locking element).
Important:
This applies only if guard lock monitoring is active!
-The safety outputs are switched off when the guard is open (monitoring of the door position).
Ì
Safety characteristics: category, Performance Level, PFH
D
).
The following applies to inactive guard lock monitoring:
Monitoring of the guard position
(interlocking device according to EN ISO 14119)
Ì
Safety function: the safety outputs are switched off when the guard is open (see chapter
Ì
Safety characteristics: category, Performance Level, PFH
D
).
The following additionally applies in a BR series connection:
Ì
The safety outputs are switched on only when the device receives a corresponding signal from its predecessor in the chain.
NOTICE
You can regard the complete BR device chain as one subsystem during calculation. The following
calculation method applies to the PFH
D
value:
#1
PFH
D,1
PFH
D,ext
BR-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 simplified method according to section 6.3 of EN 13849-1:2015 can be used for
calculation.
