EJ2521-0224 - 1-channel pulse train output module 24 V DC

Color coding

 
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
Motion
EJ7xxx
orange
System
EJ9xxx
grey