Color coding

Color coding 1:
EJ modules color code; sample: EJ1809

The EJ modules are color-coded for a better overview in the control cabinet (see diagram above). The color code indicates the signal type. The following table provides an overview of the signal types with corresponding color coding.

Signal type

Modules

Color

Coupler

EJ11xx

No color coding

Digital input

EJ1xxx

Yellow

Digital output

EJ2xxx

Red

Analog input

EJ3xxx

Green

Analog output

EJ4xxx

Blue

Position measurement

EJ5xxx

grey

Communication

EJ6xxx

grey

Motion

EJ7xxx

orange

System

EJ9xxx

grey