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264
Method for Making the Cable for Connection to the Host
Appendix G
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
Model
Remarks
Connector
(NT20S)
XM2A-0901
9-pin, manufactured by OMRON
Connector cover
(NT20S)
XM2S-0911
9-pin, manufactured by OMRON
Cable
AWG28X5P
IFVV-SB
Multicore cable, manufactured by Fujikura, Ltd.
CO-MA-VV-SB
5PX28AWG
Multicore cable, manufactured by Hitachi Cable, Ltd.
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
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.
1
2
3
4
5
6
7
8
9
Pin
number
Abbrevi-
ation
FG
SD
RD
RS
CS
–
–
–
SG
RS-232C
interface
Shielding
wire
NT20S
HOST
RS-232C
interface
Pin
number
Abbrevi-
ation
1
2
3
4
5
6
7
FG
SD
RD
RS
CS
–
SG
–
–
–
–
(25-pin type)
Содержание NT20S
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