EUCHNER – More than safety.
EUCHNER – More than safety.

STP-TW-4A-4141AC024SEM4AS1 (Rend. sz. 109813)

STP safety switch TWIN ASi, plug connector(s) M12

  • AS-Interface
  • TWIN function (two actuating heads)
  • Plug connector(s) M12, 4-pin
  • Auxiliary release
  • Open-circuit current principle
STP-TW-4A-4141AC024SEM4AS1 (Rend. sz. 109813)

Ismertetés

TWIN version

The switch has two actuating heads. They enable two movable guards to be secured at the same time.

Approach direction

Horizontal and vertical

Can be adjusted in 90° steps

Increased overtravel with horizontal approach direction

If increased play is required when the door is closed, an actuator with overtravel is available. This actuator allows the door to move slightly in the actuating direction when closed. This is important, for example, if safety doors have a rubber buffer as an end stop. An actuator with overtravel can reduce the permanent pressure of the compressed rubber buffer. This reduces the load on both the switch head and the door mechanism.

Guard locking principle

closed-circuit current (power to unlock): In a safety guard with guard locking according to the closed-circuit current principle, the guard is locked by spring force until the guard locking solenoid is supplied with current. The guard is unlocked by means of magnetic force. This is also referred to as mechanical guard locking.

Control of the guard locking solenoid

The guard locking solenoid is controlled via AS-Interface bit D0. In order to achieve safe control of the guard locking, the auxiliary voltage must also be switched safely.

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

Monitoring the guard locking

AS-Interface outputs

D0

Activating the guard locking

D1

LED red

D2

LED green

LED indicator

The Power LED indicates the operating voltage on the bus.

The Fault LED indicates when an error has been detected on the AS-Interface bus.

The green and red LEDs can be controlled by the control system via the bus as required using bits D1 and D2.

Auxiliary release

The auxiliary release on the front allows access to the machine in the event of a malfunction, e.g. a power failure. It is unlocked using a tool or a key. The auxiliary release must be secured against misuse (sealing, laking).

Required accessories

Actuator is not included in the scope of delivery.

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

Dimensional drawings

Dimensional drawings
1Do not screw tight here (2x)
2Auxiliary release
3Locking screw
4LED 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_56204_

Electrical connection values

ASI operating current max. 45 mA
ASI data in
according to AS-i Safety at Work D0, D1, D2, D3 (see positively driven contact)
ASI data out
LED green D2 (1 = LED on)
LED red D1 (1 = LED on)
Guard locking solenoid D0 (1 = Solenoid energized)
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
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
Approach direction A and C (two actuating heads)
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
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 Reinforced thermoplastic
Contact Silver alloy, gold flashed
Locking force Fmax 2500 N
Locking force FZh 2000 N
Guard locking principle Open-circuit current principle

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

B10DMission time
Monitoring of the guard position4.5x10620 y
Important! Values valid at DC-13 100 mA/24V
Monitoring of guard locking4.5x10620 y
Important! Values valid at DC-13 100 mA/24V


In combination with actuator ACTUATOR-S-GT-SN

Horizontal insertion depth 24.5 mm
Vertical insertion depth 24.5 mm
Horizontal overtravel 5 mm
Vertical overtravel 5 mm

Tartozékok

Letöltések

Teljes csomag

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Egyedi dokumentumok

Egyéb dokumentumok

Rendelési adatok

Rend. sz. 109813
Cikk neve STP-TW-4A-4141AC024SEM4AS1
Súly 0,703kg
Vámtarifaszám 85365019000
ECLASS 27-27-26-03 Safety switch with guard control

Műszaki támogatás

Műszaki támogatás
Do you have technical questions about our products, their possible use or applications? Our experts will be happy to help.

EUCHNER Magyarország Kft.
+36 1919 0855
info(at)euchner.hu

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