Omron NT User Manual

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Appendix B
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 Model Remarks
Connector (RS-232C
Interface Unit end)
XM2A-2501 25-pin, manufactured by OMRON. Supplied with RS-232C Interface
Unit.
)
DB-25P 25-pin, manufactured by JAE.
Connector cover (RS-232C
Interface Unit end)
XM2S-2511 25-pin, manufactured by OMRON. Supplied with RS-232C Interface
Unit.
)
DB-C2-J9 25-pin, manufactured by JAE.
Cable
AWG28
#
5P
IFVV-SB
Multicore cable, manufactured by Fujikura.
CO-MA-VV-SB
5P
#
28AWG
Multicore cable, manufactured by Hitachi Cable.
On the other end of the cable use the type of connector and connector cover which matches the host computer
connector type.
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, RSand CSmust beshort-circuited(turned over) for boththe PT and
host side.
RS-232C
interface
RS-232C
interface
Pin #
PT (RS-232C Interface Unit)
Abbrevi-
ation
Shielding wire
Pin # Abbrevi-
ation
Host
(EIA RS-232C 25 pin connector)
1
2
3
4
5
6
7
FG
SD
RD
RS
CS
SG
FG
SD
RD
RS
CS
SG
1
2
3
4
5
6
7
Note
For some host computers thecombination of pinnumbers and signalnames may differfrom those shown in
the diagram above. Refer to the host computer instruction manual before wiring the connector.
Connection For Host

Omron NT Specifications

General

Brand	Omron
Model	NT
Category	Recording Equipment
Language	English