CET2-AR-CRA-AH-50X-SH-110205 (Rend. sz. 110205)

Approach direction

Horizontal

Can be adjusted in 90° steps

Guard locking principle

Open-circuit current (power on to lock): On a guard with guard locking based on the open-circuit current principle, the guard is locked until the power supply to the guard locking solenoid is interrupted. Unlocking is by spring force. The term electrical guard locking is also used.

Unicode evaluation

Each actuator is highly coded (unicode). The switch detects only taught-in actuators. Additional actuators can be taught-in.

Only the last actuator taught-in is detected.

Safety characteristics

Thanks to two redundant safety outputs (semiconductor outputs) with internal monitoring, the device is suitable for:

• Category 4 /PL e according to EN 13849-1
  
• SIL 3 according to EN IEC 62061 Table 4

The OSSD outputs used check their function for short circuits and short circuits with test pulses.

LED indicator

Terminal assignment

Plug connector (view of connection side)	Pin	Designation	Function	Connecting cable conductor coloring
	1	UCM	Solenoid operating voltage, 24 V DC	VT
	2	IA	Enable input, channel A	RD
	3	IB	Enable input, channel B	GY
	4	OA	Safety outputs channel A	RD/BU
	5	OB	Safety outputs channel B	GN
	6	UB	Electronics operating voltage, 24 V DC	BU
	7	RST	Reset input	GY/PK
	8	-	n.c.	GN/WH
	9	-	n.c.	YE/WH
	10	OUT	Guard lock monitoring output	GY/WH
	11	-	n.c.	BK
	12	FE	Function earth (This connection must be connected to 0 V.)	GN/YE
	13	J	Teach-in input (connect to 24 V DC to teach in a new actuator, leave open during normal operation).	PK
	14	-	n.c. (do not connect to 0V!)	BN/GY
	15	LED 1	LED 1 red, freely assignable, 24 V DC	BN/YE
	16	LED 2	LED 2 green, freely assignable, 24 V DC	BN/GN
	17	-	n.c.	WH
	18	0V UCM	Solenoid operating voltage, 0 V DC	YE
	19	0 V UB	Electronics operating voltage, 0 V DC	BN

Accessories required

Actuator is not included.

The safety switch can only be actuated in conjunction with the actuators provided for this purpose.