Mitsubishi Electric A173UHCPU User Manual page 154

APPENDICES
IN OUT
1 1
2 2
3 3
(3) A168B extension base unit
400(15.75)
420(16.54)
APP − 20
4 mounting screws
(M5 25)
OUT
16.4
(0.65)
28
(1.1)
Unit = mm(inch)