STA4A-4141A024SEM4AS1 (Rend. sz. 105305)

Safety switch STA ASi, plug connector M12

  • AS-Interface
  • Plug connector M12, 4-pin
  • Auxiliary release
  • Open-circuit current principle
STA4A-4141A024SEM4AS1 (Rend. sz. 105305)

Ismertetés

Approach direction

Horizontal and vertical

Can be adjusted in 90° steps

Increased overtravel for horizontal approach direction

If increased play is required when the door is closed, an actuator with overtravel is available. With this actuator the door can move slightly in the actuating direction when closed. This is important, for example, if safety doors have a rubber end stop. Using an actuator with overtravel, the continuous pressure from the compressed rubber can be reduced. In this way the load is reduced on the switch head and the door mechanism.

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.

Control of the guard locking solenoid

The guard locking solenoid is controlled via AS-Interface bit D0.

Auxiliary voltage

The ASi auxiliary voltage is required to supply the guard locking solenoid.

AS-Interface inputs

D0, D1

Monitoring of the guard position

D2, D3

Guard lock monitoring

AS-Interface outputs

D0

Control of guard locking

D1

LED red

D2

LED green

LED indicator

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 release

The auxiliary release on the front makes it possible to access the machine if there is a malfunction, e.g. a power failure. Unlocking is performed using a tool or a key. The auxiliary release must be protected against misuse (sealing, lacquer).

Accessories required

Actuator is not included.

Dimension drawing
Dimension drawing
Connector assignment
Connector assignment
Electromechanical safety switches in use

Dimensional drawings

Dimensional drawings
1Auxiliary release
2Locking screw
3LED indicator

Connection examples

Connection examples
View of plug side

Műszaki adatok

Approvals

EAC_RU C-DE.MO05.B.00971/20CCC2024010305643586_SafetySwitch T_STc_UL_us_E155795_2/5Asi Interface_60902

Electrical connection values

ASI operating current max. 45 mA
AS-Interface auxiliary voltage 24 V -15 ... 10 %
Auxiliary current AS-Interface 300 mA
AS-Interface LED
green Power
red Fault
AS-Interface protocol ASi-3
ASI data out D0 = control of guard locking, D1 = red LED, D2 = green LED
ASI data in D0, D1 = door position, D2, D3 = guard locking
AS-Interface slave type ID-Code: B, EA-Code: 7
ASI voltage 22.5 ... 30 ... 31.6 V
Solenoid duty cycle 100 %

Mechanical values and environment

Approach speed max. 20 m/min
Connection type
1 x Plug connector M12 (4-pin)
Number of door position positively driven contacts
according to AS-i Safety at Work
Number of guard lock monitoring positively driven contacts
according to AS-i Safety at Work 1 D2,D3 (1 = locked)
Extraction force 30 N
Actuation frequency max. 1200 1/h
Actuating force 35 N
Installation orientation any
Insertion depth 24.5 mm
Mechanical life 1 x 10⁶
Retention force 20 N
Switching principle Slow-action switching contact
Degree of protection IP67
Ambient temperature -20 ... 55 °C
Material
Housing Alloy - die-cast
Contact Silver alloy, gold flashed
Locking force Fmax 3000 N
Locking force FZh 2300 N
Guard locking principle Open-circuit current principle

Characteristic values according to EN ISO 13849-1 and EN IEC 62061

B10DMission time
Monitoring of guard locking1.15x10720 y
Important! Values valid at DC-13 100 mA/24V


In combination with actuator ACTUATOR-S-GT-SN

Overtravel 5 mm

Tartozékok

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Rendelési adatok

Rend. sz. 105305
Cikk neve STA4A-4141A024SEM4AS1
Súly 0,705kg
Vámtarifaszám 85365019000
ECLASS 27-27-26-03 Safety switch with guard control