Omron NT20S Operation Manual page 269

Handling the RS-232C/RS-422 Converter Unit Appendix C
Installation on a DIN Rail
Hook the top part of the rear of the converter unit ((a) in the figure) onto the top edge of the DIN rail, and push the unit
in direction (b).
Then fit end plates on the right and left sides of the converter unit so that the unit cannot shift sideways.
(a)
(b)
Removal from the DIN Rail
Remove the end plates at right and left, then insert a flat-tipped screwdriver into the rail stopper on the bottom of the
unit and pry the unit away.
Installation in an Operation Panel
Make two screw holes in an operation panel wall at least 2 mm thick and secure the converter to the wall with screws.
30
(1.18)
110 (4.33)
100 (3.94)
2-M4
21
Unit = mm (in.)
(0.83)
Note: In order to ensure a strong installation, the wall of the operation panel must be at least 2 mm thick.
250