Connection diagram
RS422 connection diagram 1)
GOT side | GOT side | ||||||||||||||
SDA | 1 |
|
|
|
|
|
|
|
|
|
|
| 2 | RDA | |
|
|
|
|
|
|
|
|
|
| ||||||
RDA | 2 |
|
|
|
|
|
|
|
|
|
|
|
| 1 | SDA |
|
|
|
|
|
|
|
|
|
|
|
| ||||
RSA | 3 |
|
|
|
|
|
|
|
|
| 4 | CSA | |||
|
|
|
|
|
|
|
| ||||||||
CSA | 4 |
|
|
|
|
|
|
|
|
|
|
| 3 | RSA | |
|
|
|
|
|
|
|
|
|
|
| |||||
SG | 5 |
|
|
|
|
|
|
|
|
| 5 | SG | |||
|
|
|
|
|
|
|
| ||||||||
SDB | 6 |
|
|
|
|
|
|
|
| 7 | RDB | ||||
|
|
|
|
|
|
| |||||||||
RDB | 7 |
|
|
|
|
|
|
|
|
|
| 6 | SDB | ||
|
|
|
|
|
|
|
|
|
| ||||||
RSB | 8 |
|
|
|
|
|
|
|
| 9 | CSB | ||||
|
|
|
|
|
|
| |||||||||
CSB | 9 |
|
|
|
|
|
|
|
|
|
| 8 | RSB | ||
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
RS422 connection diagram 2) |
|
|
|
|
|
|
|
|
|
|
|
| |||
First GOT side | Second GOT side | ||||||||||||||
(terminal block) | |||||||||||||||
|
|
|
|
|
|
|
|
|
| SDA | |||||
RDA | 2 |
|
|
|
|
|
|
| 1 | ||||||
|
|
|
|
|
|
| |||||||||
RDB | 7 |
|
|
|
|
|
|
| 2 | SDB | |||||
|
|
|
|
|
|
| |||||||||
SDA | 1 |
|
|
|
| 3 | RDA | ||||||||
|
|
| |||||||||||||
SDB | 6 |
|
|
|
|
| 4 | RDB | |||||||
|
|
|
| ||||||||||||
SG | 5 |
|
|
|
|
|
| 5 | SG | ||||||
|
|
|
|
|
| ||||||||||
CSA | 4 |
|
|
|
| 6 | RSA | ||||||||
|
|
|
| ||||||||||||
CSB | 9 |
|
|
|
|
|
| 7 | RSB | ||||||
|
|
|
|
|
| ||||||||||
RSA | 3 |
|
|
|
| 8 | CSA | ||||||||
|
|
| |||||||||||||
RSB | 8 |
|
|
|
|
| 9 | CSB | |||||||
|
|
|
| ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Precautions when preparing a cable
(1)Cable length
The length of the
(2)GOT side connector
For the GOT side connector, refer to the following.
1.4.1 GOT connector specifications
Connecting terminating resistors
(1)GOT side
When connecting a PLC to the GOT, a terminating resistor must be connected to the GOT.
Set the terminating resistor selector of the GOT main
unit to "300 
".
For the procedure to set the terminating resistor, refer to the following.
20 - 6 | 20. |
| 20.3 Connection Diagram |