Relay

Relay 1:
Relay connections

Pin assignment

Relay 2:
M12 socket

Pin

Function

Core color 1)

1

24 VDC UP

brown

2

Relay connection 13

white

3

GNDP

blue

4

Relay connection 14

black

5

-

grey

1) The core colors apply to M12 cables from Beckhoff:

  • ZK2000-5xxx
  • ZK2000-6xxx
  • ZK2000-7xxx

Status LEDs

There are two LEDs next to each M12 socket. The LED on the left turns green when the relay contact is closed. The LED on the right has no function.

Relay 3:
Status LEDs of M12 sockets