Omron NT631 Operation Manuals page 650

Using an RS-232C/RS-422A Convertor Unit
Mounting to a DIN Rail
Latch the top part of the rear face of the convertor unit ("a" in the figure) onto the top edge of the DIN rail, and push
the unit in the direction indicated by "b" in the figure.
Now fit end plates at the right and left of the convertor unit to secure it and ensure that it cannot shift laterally.
Removal from a DIN Rail
Remove the end plates at right and left of the convertor unit and, as shown in the figure below, insert a flat blade
screwdriver into the rail stopper at the bottom face of the convertor unit and prize it free.
Mounting to an Operation Panel
Drill two mounting screw holes in an operation panel with a thickness of at least 2 mm (0.08 inch) and secure the
convertor unit with screws.
Notice
646
(b)
(3.94)
In order to ensure a secure and strong mount, mount the convertor unit in an op-
eration panel with a thickness of at least 2 mm (0.08 inch).
(a)
30
(1.18)
100 110
(4.33)
2-M4
21
Units: mm (inch)
(0.83)
APPENDIX C