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nConnection Example to a PLC
This section provides a connector pin arrangements and standard wiring diagram for the Serial Communica-
tions Boards/Units.
Connector Pin Arrangement for Serial Communications Board/Unit
The connector pin arrangement for the CS1W-SCB41, CS1W-SCU41, and C200HW-COM06-V1 Serial Com-
munications Boards/Units is shown below.
Pin No.
Standard Wiring Diagrams
Wiring diagrams are provided below for RS-485 and RS-422A.
•
RS-485 (2-wire)
Communications Board
RS-422A/485
interface
9-pin D-sub connector
(Connector on cable: Male)
Note Turn ON the terminating resistance switches at the end Inverters. Turn OFF the terminating resistance switches at all other Inverters.
Code
Signal name
1
SDA
Send data (-)
2
SDB
Send data (+)
3
NC
-
4
NC
-
5
NC
-
Shielded cable
Code
Pin No.
SDA
1
SDB
2
RDA
6
RDB
8
FG
Frame
Fig 6.56 RS-485 Wiring
Communications Functions
I/O
Pin No.
Code
Output
6
RDA
Receive data (-)
Output
7
NC
-
8
RBD
Receive data (+)
-
9
NC
-
Frame
FG
SYSDRIVE RV
Code
Control cir-
S
cuit terminal
S
block (com-
munictions
R
terminals)
R
SYSDRIVE RV
Code
Control cir-
S
cuit terminal
block (com-
S
munictions
R
terminals)
R
Signal name
I/O
Input
-
-
Input
-
-
FG
-
79
6-
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