SIMATIC S5 CPU Direct Driver
GP-Pro EX Device/PLC Connection Manual
6
RS-422/485 (4 wire)
RS-422/485 (2 wire)
DIP Switch Setting Description
1 OFF Reserved (always OFF)
2ON
SIO type: RS-422/485
3ON
4 OFF Output mode of SD (TXD) data: Always output
5 OFF Terminal resistance (220Ω) insertion to SD (TXD): None
6 OFF Terminal resistance (220Ω) 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
9OFF
RS (RTS) Auto control mode: Disabled
10 OFF
DIP Switch Setting Description
1 OFF Reserved (always OFF)
2ON
SIO type: RS-422/485
3ON
4 OFF Output mode of SD (TXD) data: Always output
5 OFF Terminal resistance (220Ω) insertion to SD (TXD): None
6 OFF Terminal resistance (220Ω) 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
9ON
RS (RTS) Auto control mode: Enabled
10 ON