Multidrop 2-wire RS-485 (half-duplex)
CP-132UL | RS-485 Device 1 |
Master | Slave |
3 | Data+ | Data+ |
4 | Data- | Data- |
5 | GND | GND |
RS-485 Device N
Slave
Data+
Data-
GND
Multidrop 4-wire RS-485 (full-duplex)
CP-132UL | RS-485 Device 1 |
Master | Slave |
2 | TxD+(B) | RxD+(B) |
1 | TxD-(A) | RxD-(A) |
3 | RxD+(B) | TxD+(B) |
4 | RxD-(A) | TxD-(A) |
5 | GND | GND |
RS-485 Device N
Slave
RxD+(B)
RxD-(A)
TxD+(B)
TxD-(A)
GND
See the section “RS-485 Programming” in the “Serial Programming Tools” chapter for more details on RS-485 programming.
5-6 CP-132U Series User’s Manual
