
Operating Instructions
Transponder-Coded Safety Switch CTP/CTA-L1/2-BP
28
(translation of the original operating instructions) 2537377-01-05/21
Parameter
Value
Unit
min.
typ.
max.
Reliability values acc. to EN ISO 13849-1
Mission time
20
years
Monitoring of guard locking and the guard position
Category
4
Performance Level (PL)
e
PFH
D
5.38 x 10
-9
/h
Control of guard locking
Category
Depends on external control
Performance Level (PL)
PFH
D
1) Dependent on the actuator used
2) Trip characteristic medium slow-blow
3) Values at a switching current of 50 mA without taking into account the cable lengths
4) Corresponds to the actuation frequency
6.2.
Technical data for safety switch CTA-L1/2-BP
Parameter
Value
Unit
min.
typ.
max.
General
Material
- Switch head
- Switch housing
Die-cast zinc
Die-cast zinc
Installation orientation
Any
Degree of protection
IP65/IP67/IP69/IP69K
(screwed tight with the related mating connector)
Safety class acc. to EN IEC 61558
III
Degree of contamination (external, acc. to EN 60947-1)
3
Mechanical life
1 x 10
6
operating cycles
Ambient temperature at U
B
= 24 V
-20
-
+55
°C
Actuator approach speed, max.
20
m/min
Actuating/extraction/retention force at 20 °C
10/20/20
N
Locking force F
max
1)
8,000
N
Locking force F
Zh
1)
acc. to TÜV Süd
F
Zh
= F
max
/2 = 4,000
N
Weight
Approx. 0.95
kg
Connection
Plug connector M12, 5- and 8-pin / plug connector M23, 19-pin
Operating voltage U
B
(reverse polarity protected, regulated,
residual ripple < 5%)
24 ± 15% (PELV)
V DC
Current consumption I
UB
40
mA
The following applies to the approval acc. to UL
Operation only with UL Class 2 power supply or equivalent measures
Switching load acc. to UL
DC 24 V, class 2
External fuse (operating voltage U
B
)
2)
0.25
-
8
A
External fuse (solenoid operating voltage U
IMP
)
2)
0.5
-
8
A
Rated insulation voltage U
i
-
-
50
V
Rated impulse withstand voltage U
imp
-
-
0.5
kV
Rated conditional short-circuit current
100
A
Resilience to vibration
Acc. to EN 60947-5-3
EMC protection requirements
Acc. to EN 60947-5-3
Ready delay
-
5
-
s
Risk time for single device
-
-
270
ms
Risk time delay per device
5
ms
Turn-on time
-
-
150
ms
Discrepancy time
-
-
10
ms
Test pulse duration
5)
-
-
0.3
ms
Test pulse interval
100
-
-
ms
Safety outputs
FO1A/FO1B
2 semiconductor outputs, p-switching, short circuit-proof
- Output voltage U
FO1A
/U
FO1B
3)
V DC
HIGH U
FO1A
/U
FO1B
U
B
- 1.5
-
U
B
LOW U
FO1A
/U
FO1B
0
-
1
Switching current per safety output
1
-
150
mA
Utilization category acc. to EN 60947-5-2
DC-13 24 V 150 mA
Caution: outputs must be protected with a free-wheeling diode in case of inductive loads
Switching frequency
4)
0.5
Hz