Omron NT20S Operation Manual page 283

Method for Making the Cable for Connection to the Host
Preparing RS-232C Connector Cables
Prepare a connector cable to connect a NT20S to a Host separated by more than 5 m so that the standard connector
cable cannot be used. The maximum cable length is 15 m.
Recommended Parts
Name
Connector XM2A-0901
(NT20S)
Connector cover XM2S-0911
(NT20S)
Cable AWG28X5P
IFVV-SB
CO-MA-VV-SB
5PX28AWG
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
NT20S
RS-232C
interface
264
Model
9-pin, manufactured by OMRON
9-pin, manufactured by OMRON
Multicore cable, manufactured by Fujikura, Ltd.
Multicore cable, manufactured by Hitachi Cable, Ltd.
The shielding wire of the cable is connected at the host side only, to the connector
cover and pin No.1.
The figure below shows the wiring when RS/CS control is used. If RS/CS control is
not used, short RS and CS at both the NT20S side and host side.
Abbrevi- Pin
ation number
FG 1
SD 2
RD 3
RS 4
CS 5
– 6
– 7
– 8
SG 9
Remarks
HOST
Pin
number
1
2
3
4
5
6
7
–
Shielding
–
wire
(25-pin type)
Abbrevi-
ation
FG
SD
RD
RS-232C
RS
interface
CS
–
SG
–
–
Appendix G