Communication Cable (RS-232C)
Communication cables must be provided by the customer.
| Connector Name | Standard |
|---|---|
RS-232C connector (Controller side) | D-Sub 9-pin male Mating screw lock part #4 - 40 |
KEY POINTS
Use twisted pair shielded wires for cables.
The shield should be clamped to the hood for noise reduction.
The pin assignment of the RS-232C connector is shown in the following table.
| Pin Number | Signal | Function | Signal Direction |
|---|---|---|---|
| 1 | DCD | Carrier send | Inputs |
| 2 | RXD | Received data | Inputs |
| 3 | TXD | Transmitted data | Outputs |
| 4 | DTR | Data terminal ready | Outputs |
| 5 | GND | Signal ground | － |
| 6 | DSR | Data set ready | Inputs |
| 7 | RTS | Request to send | Outputs |
| 8 | CTS | Permission to send | Inputs |
| 9 | RI | Ring indicator | Inputs |