• Safety switch with integrated evaluation electronics
• Up to 20 switches in series
• Short circuit monitoring
• 2 safety outputs (semiconductor outputs)
• Category 4/PL e according to EN ISO 13849-1
• Multicode

Approach direction Can be adjusted in 90° steps Short circuit monitoring The switch generates its own clock signal on the output cables OA/OB. Pay attention to this aspect when connecting to control systems and relays. Multicode evaluation Every suitable actuator is detected by the switch. Category according to EN 13849-1 Due to two redundantly designed semiconductor outputs (safety outputs) with internal monitoring suitable for:

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

Important: To achieve the stated category in accordance with EN ISO 13849-1, both safety outputs (OA and OB) must be evaluated. LED indicator

STATE	Status LED
DIA	Diagnostics LED

Additional connections

OUT	Monitoring output (semiconductor)
RST	Reset input

Typical operating distance With actuator CES-A-BBA and CES-A-BCA For a side approach direction for the actuator and safety switch, a minimum distance of s = 4 mm must be maintained so that the operating distance of the side lobes is not entered. With actuator CES-A-BPA For a side approach direction for the actuator and safety switch, a minimum distance of s = 6 mm must be maintained so that the operating distance of the side lobes is not entered. With actuator CES-A-BRN For a side approach direction for the actuator and safety switch, a minimum distance of s = 6 mm must be maintained so that the operating distance of the side lobes is not entered. Connector assignment

Plug connector (view of connection side)	Pin	Designation	Function	Conductor coloring of connection cable
	1	IB	Enable input for channel 2	WH
2	UB	Power supply, DC 24 V	BN
3	OA	Safety output, channel 1	GN
4	OB	Safety output, channel 2	YE
5	OUT	Monitoring output	GY
6	IA	Enable input for channel 1	PK
7	0V	Ground, DC 0 V	BU
8	RST	Reset input	RD

Housing material	Plastic, PBT
Weight
Net	0,12 kg
Ambient temperature	-20 ... 55 °C
Degree of protection	IP67
Resilience to vibration	In acc. with EN IEC 60947-5-2
Mounting distance	min.40 mm
Installation orientation	Any
Tightening torque
Fixing screws	max.1 Nm
Ready delay	10 s
Switching frequency	max.1 Hz
Connection	M12 plug connector, 8-pin

Electrical connection ratings

Operating voltage DC
UB	24 V DC 15% ... 15% Reverse polarity protected, regulated, residual ripple < 5%, PELV
Current consumption
No load on outputs	max.50 mA
Fusing
External (operating voltage)	0,25 ... 8 A
Rated insulation voltage Ui	300 V
Rated impulse withstand voltage Uimp	max.1,5 kV
EMC protection requirements	In acc. with EN IEC 60947-5-3
Degree of contamination (external, according to EN 60947-1)	3
Switch-on time
Safety outputs	max.400 ms
Safety class	III
Risk time according to EN 60947-5-3
Delay per device	5 ms
Single device	max.260 ms
	Monitoring output OUT
Type of output	p-switching, short circuit-proof
Switching current	max.200 mA
Output voltage	0,8 x UB ... UB V DC
	Safety outputs OA/OB
Test pulses	max.1 ms
Type of output	Semiconductor outputs, p-switching, short circuit-proof
Switching current
per safety output	1 ... 400 mA
Output voltage
HIGH U(OA) / U(OB)	UB-1,5 ... UB V DC
LOW U(OA) / U(OB)	0 ... 1 V DC
Utilization category according to EN 60947-5-2
DC-13	24V 400mA
Rated conditional short-circuit current	max.100 A
Off-state current Ir	max.0,25 mA
Discrepancy time	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

Reliability values according to EN ISO 13849-1

	Monitoring of the safety guard position
Category	4
Performance Level	PL e
PFHD	2.1 x 10-9
Mission time	20

In combination with Actuator CES-A-BBAOperating distance

Switch-on distance	18 mm
Assured switch-off distance Sar	max.45 mm
Assured operating distance Sao	min.15 mm
Switching hysteresis	min.1 mm

In combination with Actuator CES-A-BPAOperating distance

Switch-on distance	22 mm
Assured switch-off distance Sar	max.58 mm
Assured operating distance Sao	min.18 mm
Switching hysteresis	min.1 mm

In combination with Actuator CES-A-BRN-100251Operating distance

Switch-on distance	27 mm
Assured switch-off distance Sar	max.75 mm
Assured operating distance Sao	min.20 mm
Switching hysteresis	3 mm

In combination with Actuator CES-A-BDA-18-156935Operating distance

Switch-on distance	19 mm
Assured switch-off distance Sar	max.45 mm
Assured operating distance Sao	min.10 mm
Switching hysteresis	min.1 mm

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