LSIS XBL-C41A

Chapter 12 Installation and Wiring
12 −21
12.5.3 RS-422 interface (XBL-C41A)
RS-422 channel use 5 pin connector (Terminal Block) for communicate with external
[Figure 12.5.7] indicates function of each pin name, function and data direction.
Pin no. Name
Signal direction
(Cnet<-->External device)
Function description
1
TX+
TX data (+)
2
TX-
TX data (-)
3
RX+
RX data (+)
4
RX-
RX data (-)
5
S.G(SG)
Signal ground
[Figure 12.5.7] RS-422 5 pin connector pin standard
[Figure 12.5.8] indicates RS-422 communication cable connection example in case of single connection.
Cnet (5-Pin)
Signal direction
(Cnet<--->External device)
External communication
device
Pin no.
Name
1
TX+
RX+
2
TX-
RX-
3
RX+
TX+
4
RX-
TX-
5
S.G(SG)
S.G
[Figure 12.5.8] RS-422 connection
[Figure 12.5.9] indicates RS-485 communication cable connection example in case of single connection
Cnet (5-Pin)
Signal direction
(Cnet<--->External device)
External
communication
device
Pin no. Name
1
TX+
RX+
2
TX-
RX-
3
RX+
TX+
4
RX-
TX-
5
S.G(SG)
S.G
[Figure 12.5.9] RS-485 connection