FB Series SIO Driver
GP-Pro EX Device/PLC Connection Manual
7
DIP Switch setting: RS-422/485 (4 wire)
DIP Switch setting: RS-422/485 (2 wire)
DIP Switch
Setting
Description
1
OFF
Reserved (always OFF)
2
ON
SIO type: RS-422/485
3
ON
4
OFF
Output mode of SD (TXD) data: Always output
5
OFF
Terminal resistance (220
Ω
) insertion to SD (TXD): None
6
OFF
Terminal resistance (220
Ω
) insertion to RD (RXD): None
7
OFF
Short-circuit of SDA (TXA) and RDA (RXA): Not available
8
OFF
Short-circuit of SDB (TXB) and RDB (RXB): Not available
9
OFF
RS (RTS) Auto control mode: Disabled
10
OFF
DIP Switch
Setting
Description
1
OFF
Reserved (always OFF)
2
ON
SIO type: RS-422/485
3
ON
4
OFF
Output mode of SD (TXD) data: Always output
5
OFF
Terminal resistance (220
Ω
) insertion to SD (TXD): None
6
OFF
Terminal resistance (220
Ω
) insertion to RD (RXD): None
7
ON
Short-circuit of SDA (TXA) and RDA (RXA): Available
8
ON
Short-circuit of SDB (TXB) and RDB (RXB): Available
9
ON
RS (RTS) Auto control mode: Enabled
10
ON
