What is the cable pinout (RJ45 to RJ45) to connect a Compact 258/265/275/285 PLC to a 174CEV30010/20?
Issue
A serial communication cable is required between a Compact 258/265/275/285 and a CEV 300 10/20.
Product Line
- Compact 258/265/275/285
- CEV 300 10/20
Resolution
Wire the cable according to the following pinout:
| Compact 258/265/275/285 | Signal | Connection | CEV 300 10/20 | Signal |
|---|---|---|---|---|
| Pin 1 | +5 V | → | Pin 2 | DTR |
| Pin 2 | DSR | → | Pin 1 | NC |
| Pin 3 | TX | → | Pin 3 | RX |
| Pin 4 | RX | → | Pin 4 | TX |
| Pin 5 | GND | → | Pin 5 | GND |
| Pin 8 | Chassis GND | → | Pin 8 | NC |
In addition:
- On the Compact 258/265/275/285 side, bridge pin 6 (RTS) and pin 7 (CTS).
- On the CEV 300 10/20 side, bridge pin 6 (CTS) and pin 7 (RTS).