Omron NT Operation Manual page 68

RS-232C and RS-422 Connector Cables
Preparing RS-232C Connector Cables
Prepare a connector cable to connect a PT to a host computer separated by more than 2 m so that the supplied
connector cable (XZ7-10048) cannot be used. The maximum cable length is 15 m.
Recommended Parts
Name
Connector (RS-232C
Interface Unit end) )
Connector cover (RS-232C
Interface Unit end) )
Cable
On the other end of the cable use the type of connector and connector cover which matches the host computer
connector type.
Connection For Host
PT (RS-232C Interface Unit)
RS-232C
interface
Note For some host computers the combination of pin numbers and signal names may differ from those shown in
the diagram above. Refer to the host computer instruction manual before wiring the connector.
Appendix B
Model
XM2A-2501 25-pin, manufactured by OMRON. Supplied with RS-232C Interface
Unit.
DB-25P 25-pin, manufactured by JAE.
XM2S-2511 25-pin, manufactured by OMRON. Supplied with RS-232C Interface
Unit.
DB-C2-J9 25-pin, manufactured by JAE.
AWG28  5P
Multicore cable, manufactured by Fujikura.
IFVV-SB
CO-MA-VV-SB Multicore cable, manufactured by Hitachi Cable.
5P  28AWG
Only the shielded wire on the host side is connected to the connector hood and
connector pin 1. The following diagram is for RS/CS control. If no RS/CS control
is executed, RS and CS must be short-circuited (turned over) for both the PT and
host side.
Abbrevi- Pin #
ation
FG 1
SD 2
RD 3
RS 4
CS 5
6
SG 7
Shielding wire
Remarks
Host
(EIA RS-232C 25 pin connector)
Pin # Abbrevi-
ation
1 FG
2 SD
RS-232C
3 RD
interface
4 RS
5 CS
6
7 SG