Omron CJ - 08-2008 - Page 216

168
Programming Devices Section 3-3
Note Do not use the 5-V power from pin 6 of the RS-232C port for anything but the
NT-AL001 Link Adapter. Using this power supply for any other external device
may damage the CPU Unit or the external device.
Connection between CJ-series CPU Unit and Personal Computer
The following connections are in Host Link serial communications mode.
Note Refer to
Connection Examples on page 655 when converting between RS-
232C and RS-422A/485 to connect multiple nodes. Refer to
Recommended
Wiring Methods on page 660
when making your own RS-232C cable.
The following connections are in Peripheral Bus serial communications mode.
Use the connectors and cables described below when making an RS-232C
cable to connect to the RS-232C port.
Applicable Connectors CPU Unit Connector
9 SG (0 V) Signal ground ---
Connector hood FG Protection earth ---
Pin No. Signal Name Direction
1
2
3
4
5
6
7
8
9
CD
RD
SD
ER
SG
DR
RS
CS
CI
1
2
3
4
5
6
7
8
9
FG
SD
RD
RS
CS
5V
DR
ER
SG
Personal computer
RS-232C
interface
CPU Unit
D-SUB , 9-pin connector
Female connector on cable
D-sub, 9-pin connector
Male connector on cable
RS-232C
interface
Signal Pin
No.
Pin
No.
Signal
Signal Signal
CPU Unit
D-Sub, 9-pin connector
Male connector on cable
D-Sub, 9-pin connector
Female connector on cable
RS-232C
interface
RS-232C
interface
Personal computer
Pin
No.
Pin
No.
Item Model Specifications
Plug XM2A-0901 9-pin male Used together (One
of each provided
with CPU Unit.)
Hood XM2S-0911-E 9-pin, millimeter
screws, static-resis-
tant