Omron NT31 Operation Manuals page 122

Connecting to the Host's RS-232C Port
Note S The maximum tensile load of the recommended cable is 30 N. Do not exceed this
load.
S After connecting a connecting cable, always tighten the connector screws.
S Recommended connectors, cables and crimp terminals for RS-422A/485
When making an RS-422A/485 connecting cable, as far as possible use the rec-
ommended parts indicated in the table below. Some units come supplied with
one connector and connector hood.
Check the required parts and prepare them in advance.
Name
Connector
Connector
hood
Cable
Crimp Crimp
terminals
The terminal screws of the NT-AL001 are M3 specification. When wiring, use
crimp terminals for M3 use. Tighten terminal screws with a tightening torque of
0.5 N@m.
Note Always use crimp terminals for wiring.
- Examples of applicable terminals
6.2 mm or less
Model Maker
25-pin type
XM2A-2501
Made by OMRON
25-pin type
DB-25P F-N
Made by JAE
25-pin type
XM2S-2511
Made by OMRON
25-pin type
DB-C2-J9
Made by JAE
Tachii Electric
TKVVBS4P-03
Wire Co., Ltd.
1.25-N3A Japan Solderless
(fork type) Terminal MFG
Y1.25-3.5L
Morex Inc.
(fork type)
Fork type
6.2 mm or less
Section 5-1
Remarks
Delivered with the following units:
C500-LK203
Delivered with the following units:
3G2A6-LK201-EV1
3G2A5-LK201-EV1
Delivered with the following units:
C500-LK203
Delivered with the following units:
3G2A6-LK201-EV1
3G2A5-LK201-EV1
Recommended cable size:
AWG22 to 18
2
(0.3 to 0.75 mm )
Round type
111