User`s manual

Mounting the base unit Installation
MELSEC System Q, Hardware 9 – 13
9.4.2 Mounting a DIN rail
For mounting of main or extension base unit on a DIN rail with 35 mm width, use appropriate
adapters.
DIN rail mounting
When using DIN rail, DIN rail mounting screws must be inserted in 200 mm distances or less in
order to ensure that the rail has sufficient strength.
When installing the DIN rail in a frequent vibration and/or shock prone environment, insert the
mounting screws in 200 mm intervals or less by the following method shown in the figures below.
Application
DIN rail mounting adapters
Q6DIN1 Q6DIN2 Q6DIN3
Main base unit
Q38B, Q38DB, Q38RB,
Q312B, Q312DB
Q35B
Q33B, Q32SB, Q33SB,
Q35SB
Extension base unit
Q68B, Q612B, Q68RB,
Q65WRB
Q65B Q52B, Q55B, Q63B
Tab. 9-3: Adapters for mounting a DIN rail to the base unit
QH00005C
Fig. 9-10: DIN rail mounting
Fig. 9-11: DIN rail mounting for Q00JCPU or Q00UJCPU and the base units Q33B, Q35B,
Q65B, Q52B, Q55B, Q63B, Q32SB, Q33SB and Q35SB
DIN rail
DIN rail mounting screw
35 mm
200 mm or less
200 mm or less
200 mm or less
DIN rail
35 mm
200 mm or less
200 mm or less
200 mm or less
BA B
Stopper
Mounting screws
(included with adapters)
Square washers necessary
Mounting screws
(obtained by user)
No square washers
Stopper