Hardware and Connection Setup
Configuring Remote Control Using RS-485
RS-485 Communication Cable with RJ-45 to DB-9
Communication control cable with
Table 5-5 DB-9 Pinouts
Pin | Name | Description |
|
|
|
|
|
1 | GND | Ground |
|
2, 3 | NC | No connection |
|
4 | RXD+ | Receive data | Twisted |
|
|
| pair |
5 | RXD– | Receive data | |
6, 7 | NC | No connection |
|
8 | TXD+ | Transmit data | Twisted |
|
|
| pair |
9 | TXD– | Transmit data | |
|
|
|
|
Table |
|
|
|
|
|
|
|
| ||||
Pin |
| Name |
| Description |
|
|
|
|
|
| ||
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
1, 2 |
|
| NC |
| No connection |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
3 |
|
| TXD+ |
| Transmit data | Twisted |
| |||||
|
|
|
|
|
|
| pair |
| ||||
4 |
|
| TXD– |
| Transmit data | 5 | ||||||
5 |
|
| RXD+ |
| Receive data | Twisted |
|
|
|
| ||
|
|
|
|
|
|
| pair |
| ||||
6 |
|
| RXD– |
| Receive data |
| ||||||
| ||||||||||||
7 |
|
| GND |
| Ground |
|
|
|
|
|
| |
8 |
|
| NC |
| No connection |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|