Connectors

M8 connector

7/8" connector

Connectors 1:

Connectors 2:

Connectors 3:

Connectors 4:

Connectors 5:

Function

M8

7/8"

Description

Core color 1)

US

1

4

Control voltage

Brown

UP

2

5

Peripheral voltage

White

GNDS

3

2

GND to US

Blue

GNDP

4

1

GND to UP

Black

FE

-

3

Functional earth

Grey

1) The core colors apply to cables of the type: Beckhoff ZK2020-xxxx-xxxx

In some modules, GNDS and GNDP are connected, in others they are separate. See Technical data of the respective module.