• Safety switch with guard locking and integrated evaluation electronics
• Locking force up to 6500 N
• Up to 20 switches in series
• Short circuit monitoring
• 2 safety outputs (semiconductor outputs)
• Up to category 4/PL e according to EN ISO 13849-1
• With 2 plug connectors M12
• Multicode
• Approach direction A (default setting on delivery)

Approach direction Horizontal Can be adjusted in 90° steps Safety switch The device may be operated only in conjunction with the actuator CET-A-.... Important: The actuator must be ordered separately. Multicode evaluation unit Every suitable actuator is detected by the switch. Solenoid operating voltage

• DC 24 V +10% -15%

Guard locking type

CET1	Closed-circuit current principle, guard locking by spring force. Release by applying voltage to the guard locking solenoid.

LED function display

LED State	Status LED
LED DIA	Diagnostic LED
LED 1 rd	freely configurable
LED 2 gn	freely configurable

Additional connections

OUT	Monitoring output (semiconductor)
RST	Reset input

Category according to EN ISO 13849-1 Due to two redundantly designed semiconductor outputs (safety outputs) with internal monitoring suitable for:

• Category 4/PL e according to EN ISO 13849-1

Important: To achieve the stated category in accordance with EN ISO 13849-1, both safety outputs (OA and OB) must be evaluated. The category is dependent on the installation position of the safety switch: Dimension drawing Block diagram CET: Transponder-coded safety switch with guard locking Dimension drawingBlock diagram Technical dataApprovals Mechanical values and environment

Housing material
Slide	Stainless steel
Safety switch housing	Die-cast aluminum
Weight
Net	1 kg
Ambient temperature
At UB = 24V DC	-20 ... 55 °C
Degree of protection	IP67
Mechanical life	1 x 106
Installation orientation	Any
Degree of freedom
X	±5 mm
Y	±5 mm
Z	±4 mm
Ready delay	10 s
Switching frequency	max.0,5 Hz
Connection	2 plug connectors M12, 5 and 8-pin
Approach speed	20 m/min
Guard locking principle	Closed-circuit current principle
Locking force Fmax	6500 N
Locking force FZh	5000 N

Electrical connection ratings

Operating voltage DC
UB	24 V DC -15% ... 15% Reverse polarity protected, regulated, residual ripple < 5%, PELV
LED1, LED2	24 V DC -15% ... 10%
Current consumption
IB	80 mA
ICM	480 mA
Utilization category according to EN 60947-5-2
DC-13	24V 200mA
Solenoid operating voltage DC
UCM	24 V DC -15% ... +10% Reverse polarity protected, regulated, residual ripple < 5%, PELV
Fusing
External (operating voltage UB)	0,25 ... 8 A
External (operating voltage UCM)	0,5 ... 8 A
Power consumption
Solenoid	max.12 W
EMC protection requirements	In acc. with EN IEC 60947-5-3
Solenoid duty cycle	100 %
Degree of contamination (external, according to EN 60947-1)	3
Safety class
EN IEC 61140	III
Switching load
According to UL	24V DC, class 2
	Monitoring output OUT
Type of output	Semiconductor output, p-switching, short circuit-proof
Output voltage
OUT	0,8xUB ... UB V DC
Output current
OUT	1 ... 50 mA
	Safety outputs OA/OB
Type of output	Semiconductor outputs, p-switching, short circuit-proof
Output voltage
Low U(OA,OB)	0 ... 1 V DC
High U(OA,OB)	UB-1,5V ... UB V DC
Output current
per safety output	1 ... 200 mA
Off-state current Ir	max.0,25 mA
Risk time according to EN 60947-5-3
Single device	max.400 ms
Delay per device	5 ms
Switch-on time
Safety outputs	400 ms
Discrepancy time
Both safety outputs	max.10 ms

Work area

Repeat accuracy R

10 %

Other

For the approval according to UL the following applies

Operation only with UL class 2 power supply, or equivalent measures see operating instructions

Reliability values according to EN ISO 13849-1

	Monitoring of guard locking and the safety guard position
Category
Head upward	3
Head downward or horizontal	4
Performance Level	PL e
PFHD
Head upward	4.29 x 10-8
Head downward or horizontal	3.1 x 10-9
	Control of the guard locking
Category	Depending on external control of guard locking
Performance Level	Depending on external control of guard locking
PFHD	Depending on external control of guard locking
Mission time	20 y

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