The relay's communication interfaces are located on the lower left side of the protection relay when viewing it from the rear.
|
Pin |
RS-485 connector pin signal type |
|---|---|
|
1 |
A_485 Data signal A (normal) |
|
2 |
B_485 Data signal B (inverted) |
|
3 |
SHIELD AC coupled shield pin |
|
4 |
GND_485 Common pin for A/B |