• Two actuating heads made of metal
• Auxiliary release on the front
• With plug connector M12

FunctionIn the safe state, both actuators must be inserted into the switch head. Guard locking type

STP-TW3

Closed-circuit current principle, guard locking by spring force. Release by control of AS-i output 0.

Control of the guard locking solenoidThe guard locking solenoid is controlled by the control system via AS-Interface bus bit D0. In addition the 24V connection can be switched safely. AS-Interface inputs

D0, D1	Door monitoring contact SK
D2, D3	Solenoid monitoring contact UK

Evaluation is performed via a safety monitor. AS-Interface outputs

D0	Guard locking solenoid
D1	Red LED
D2	Green LED

LED function display

• The Power LED indicates the operating voltage on the bus.
• The Fault LED indicates if a fault has been detected on the AS-Interface bus.
• The green and the red LEDs can be controlled as required by the control system via the bus using bits D1 and D2.

Auxiliary releaseIs used for releasing the guard locking with the aid of a tool. To protect against tampering, the auxiliary release is sealed with sealing lacquer.

Housing material	Reinforced thermoplastic
Weight
Net	0,5 kg
Ambient temperature	-20 ... 55 °C
Degree of protection	IP67
Mechanical life	1 x 106
Contact material	Silver alloy, gold flashed
Switching principle	Slow-action switching contact
Installation orientation	Any
Number of door position positively driven contacts
According to As-i Safety at Work	1 D0,D1
Number of guard lock monitoring positively driven contacts
According to As-i Safety at Work	1 D2,D3
Connection
1 x	Plug connector M12
Approach speed
max.	20 m/min
Actuation frequency	1200 1/h
Guard locking principle	Closed-circuit current principle
Locking force Fmax	2500 N
Locking force FZh	2000 N
Retention force	20 N
Extraction force	30 N
Actuating force	35 N

Electrical connection ratings

ASi voltage	30 V 22,5 ... 31,6 V
ASi operating current	max.45 mA
ASi auxiliary voltage
IEC 60742, PELV	24 V -15% ... +10%
ASi auxiliary current	300 mA
Solenoid duty cycle	100 %
ASi slave type
According to ASI specification 2.1	EA code: 7
	ID code: B
ASi data in
According to ASI safety at work	D0,D1,D2,D3
ASi data out
LED green	D2
Guard locking solenoid	D0
LED red	D1
ASi LED
LED green	Power
LED red	Fault

Reliability values according to EN ISO 13849-1

B10D

5 x 106

In combination with Actuator BETAETIGER-S-GT-SNMechanical values and environment

Overtravel
Horizontal	5 mm
Vertical	5 mm
Insertion depth
Horizontal	24,5 mm
Vertical	24,5 mm

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