Electrical connection
Leuze electronic
MC3x
31
Pin 1 Brown
Pin 2 White
Pin 3 Blue
Pin 4 Black
Figure 7.7: Pin assignments of the M8 connector
Pin 1 Brown
Pin 2 White
Pin 3 Blue
Pin 4 Black
Figure 7.8: Pin assignments of the M12 connector
7.3
Connection examples
Prerequisites for the electrical connection:
• The maximum temperature of the application does not exceed that specified in the technical data of
the sensors (see chapter 13 „Technical data“)
• Contact assignments are adhered to
Lay sensor connection cable and connect according to the assignment specifications and the applica
-
tion-specific circuit diagram.
Connect the MSI-MC3x according to the application-specific circuit diagram.
Setting the device into service
7.3.1 Connection examples with MC3xS1x sensors and MSI-MC310 Safety Relay
The following examples show possible connection combinations of Magnetically Coded Sensors on the
Safety Relay for contact set 1NC/1NO.
All available safety inputs must be occupied. Bridges are to connect the remaining inputs where no
sensors are connected .
1
3
2
4
2
4
3
1
NOTICE
Improper electrical connection may result in serious injury!
The mixed connection of protective extra low voltage and low voltage at terminals 13/14, 23/24 and
31/32 (MSI-3x) is not permitted.
Finger-safe acc. to DIN VDE 0106 part 100, maximum stripped length of the connection cables: 8 mm
To prevent welding of the respective output contacts, an external fuse must be connected upstream.
All reactive loads connected to the supply voltage are to be provided with interference-suppression cir
-
cuits.
For reactive loads on terminals 13/14, 23/24, 31/32 (MSI-3x), an appropriate protective circuit is to be
provided.
Shutdown of the supply voltage for operational purposes is to be made impossible.
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