LSIS XBL-C41A

Chapter 12 Installation and Wiring
12 −22
Single and multi-drop connection with external device are available in XBL-C41A.
[Figure 12.5.10], [Figure 12.5.11] are RS-422/RS-485 multi drop communication connection
method.
Master (XBL-C41A)
Connecti
on
External slave
device#1
Connecti
on
External slave
device#2
Pin no.
Name
1
TX+
RX+
RX+
2
TX-
RX-
RX-
3
RX+
TX+
TX+
4
RX-
TX-
TX-
5
S.G(SG)
S.G
S.G
[Figure 12.5.10] RS-422 connection
Master (XBL-C41A)
Connection External slave
device#1
Connect
ion
External
communication
device#2
Pin no. Name
1
TX+
TX+
TX+
2
TX-
TX-
TX-
3
RX+
RX+
RX+
4
RX-
RX-
RX-
5
S.G(SG)
S.G
S.G
[Figure 12.5.11] RS-485 connection