YASKAWA CP 040 RS422/485 Manual page 35

VIPA System SLIO
Terminal
Pos. Function
1 TxD-P (B)
2 RxD-P (B)
TxD/RxD-P (B)
3 RTS
4 TERM
5 TxD-N (A)
6 RxD-N (A)
TxD/RxD-N (A)
7 GND_ISO
8 TERM
*) A bridge between the two TERM inputs activates a terminal resistance of 120Ω on the receiver side between RxD-P
(Pin 2) and RxD-N (Pin 6).
RS422/485
HB300 | CP | 040-1CA00 | en | 18-28
For wires with a core cross-section of 0.08mm
Type Description
O Send data (RS422)
I Receive data (RS422)
O/I Send-/Receive data (RS485)
O Request to send (RS485)
RTS at logic "1": CP ready to send
RTS at logic "0": CP is not sending
I Terminating resistor *
O Send data (RS422)
I Receive data (RS422)
O/I Send-/Receive data (RS485)
O Signal ground (isolated)
I Terminating resistor *
I: Input, O: Output
n Logical conditions as voltage difference between 2 twisted lines
n Serial bus connection
– full-duplex (RS422 four-wire operation)
– half-duplex (RS485 two-wire operation)
n Line length: 250m at 115.2kbit/s ... 1200m at 19.2kbit/s
n Data transfer rate up to 115.2kbit/s
Hardware description
2 2
up to 1.5mm .
Structure
35