phytron
21
MA 1277-A011 EN
5.2.4 Limit switch connection X2
Fig. 6: Pin assignment limit switches
Fig. 7: Input wiring
The controller is designed for connection of up to three limit switches type PNP NOC or
NCC. A limit switch is used for monitoring the movement in the + direction (limit ),
the second for the direction (limit switch
–) is determined. The third switch (center switch)
can for example be used as a reference switch. Cable breaks can be detected by the PNP
NOC .
Mechanical limit switches (NOC) can be used, too.
i
CAUTION
– Possible damage!
Damage of the module by wrong connection.
- Do not exchange the 10 pin limit switch connector with the
10 pin connector for the encoder evaluation.
