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2.1.1.3 Connectors
2.1.1.3.1 AS-Interface Cable and AUX Cable
The AS Interface cable and the AUX cable are connected using piercing
technology.
When assembling the upper part, contacts are pressed into the cable which is
located in the ground plate, making the electrical contact.
The functional earth contact is also made during assembly of the upper part.
2.1.1.3.2 Sensor and Actuator Connectors
Sensor and actuator connections are 5-pole sockets for M12x1 round plugs.
When using angled connectors, the socket design provides a connecting angle
of 45° (top left or top right) for the connecting cable.
The following table shows the pin assignment of the sockets.
Tab. 2.1.1-1: Sensor and Actuator Connectors
3
2
IN 1/3
Fig. 2.1.1-2: Sensor
Connectors
3
2
OUT 1/3
Fig. 2.1.1-3: Actuator
Connectors
Pin 5 of the sockets makes connection to functional earth. Four-pole plugs
without functional earth or 5-pole plugs with functional earth may be
connected.
Pin 2 of the IN 1 or the IN 3 socket is connected with Pin 4 of the IN 2 or IN 4
socket. This allows the connection of 2-channel sensors with the IN 1 or IN 3
socket. The IN 2 or IN 4 socket will then remain unconnected.
WAGO-I/O-SYSTEM 751
AS-Interface Components IP67
751-5201 [AS-Interface Module 4IN/4OUT 24V/2A Single]
4
3
4
5
5
IN 1/3
1
2
1
IN 1/3
IN 2/4
IN 1/3
IN 1/3
gqxxx01x
IN 1/3
4
3
4
---
5
5
---
1
2
1
OUT 2/4
OUT 1/3
OUT 1/3
gqxxx02x
OUT 1/3
IN 1/3
Sensor Connectors
Connector
Pin Function
IN 2/4
1
---
2
IN 2/4
3
IN 2/4
4
IN 2/4
5
Actuator Connectors
Connector
Pin Function
---
1
---
2
OUT 2/4
3
OUT 2/4
4
OUT 2/4
5
IN 2/4
5
Connectors
Sensor supply L+
Sensor signal (from IN 2/4 Pin 4)
Sensor supply L-
Sensor signal
Functional earth FE
not used
not used
External voltage –
Switching output +
Functional earth FE
Functional earth FE
• 9
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