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16
Connecting to a PC
Section 2-2
Connecting a Computer
with an RS-232C Cable
The following connection method can be used when connecting an IBM PC/
AT or compatible computer using an RS-232C cable.
Making an RS-232C
Cable
For connections with an RS-232C cable, either purchase one of the cables
listed above, or make a cable using the connection method and components
given below.
Connector Pin
Arrangement
The pin arrangement for the CPU Unit connector is shown below.
Connection Method
Either of the following configurations can be used for connection via Host Link.
Unit
Port on
Unit
Computer
Port on
computer
FinsGateway
communica-
tions driver
Protocol (serial
communica-
tions mode)
Model
number
Length
Remarks
CPU Unit
Built-in RS-
232C port
(D-SUB, 9-
pin,
female)
IBM PC/AT
or
compatible
D-SUB, 9-
pin, male
Serial Unit
SYSWAY-CV
XW2Z-
200S-V
2 m
---
XW2Z-
500S-V
5 m
Serial Com-
munica-
tions Board/
Unit
RS-232C
port (D-
SUB, 9-pin,
male)
XW2Z-
200S-V
2 m
XW2Z-
500S-V
5 m
Pin
number
Signal
abbreviation
Signal name
Signal direction
1
FG
Frame ground
---
2
SD (TXD)
Send data
Output
3
RD (RXD)
Receive data
Input
4
RS (RTS)
Request to send
Output
5
CS (CTS)
Clear to send
Input
6
5V
Power supply
---
7
DR (DSR)
Data set ready
Input
8
ER (DTR)
Data terminal
ready
Output
9
SG (0V)
Signal ground
---
Metal cap
FG
Frame ground
---
5
1
9
6
5
1
9
6
CS-series Pin Arrangement
CJ-series Pin Arrangement