Color coding
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 |