User`s manual

Mounting the base unit Installation
MELSEC System Q, Hardware 9 – 11
9.4.1 Direct mounting
The main base units can be mounted directly on the backside panel of the cabinet. The following
tables show the distances of the mounting holes.
* Base units with 4 or 5 base mounting holes are available. This value applies for base units with 5 base mounting
holes only.
* Base units with 4 or 5 base mounting holes are available. This value applies for base units with 5 base mounting
holes only.
Fig. 9-8: Base units external dimensions
Value
External dimensions [mm]
Q33B Q35B Q38B Q312B Q32SB Q33SB Q35SB Q38DB Q312DB Q38RB
B 189 245 328 439 114 142 194 328 439 439
B1 169 224.5 308 419 101 129 184.5 308 419 419
B2 — — 170* 170* — — — 170 170 170
H98
H1 80
Tab. 9-1: Main base units external dimensions
Value
External dimensions [mm]
Q52B Q55B Q63B Q65B Q68B Q612B Q68RB Q65WRB
B 106 189 189 245 328 439 439 439
B1 83.5 167 167 222.5 306 417 417 417
B2 — — — — 190* 190* 170 170
H98
H1 80
Tab. 9-2: Main base units external dimensions
H
H1
B1
B
B2