7 - 5
7 Setting and procedure for operation
QE81WH4W
7.4 Attaching and removing the module
7.4.1 How to attach to the base unit
Base unit
Insert it securely so that the
protruding portion for fixing the
module*
1
does not come off of
the module-fixing hole.
Base unit
Lever for attaching
the module
Hook for fixing the
module (*2)
Push the module toward the
arrow direction, as the
module-fixing hole being a
fulcrum point, until you hear a
click sound to firmly attach it to
the based unit.
Protrusion for fixing
the module
Base unit
Module connector
Hole for fixing the module
Lever for attaching
the module
Protrusion for fixing
the module (*1)
Module
Check that the module is firmly
inserted to the base unit.
Hole for fixing the module
Complete
Caution
Attach to the base of MELSEC-Q series.
When attaching the module, make sure to insert the protruding portions for fixing the module into
the holes on the base unit. In doing so, insert it securely so that the protruding portion of the
module does not come off of the holes. Do not force to attach the module; otherwise the module
may break.
When installing the module at a vibrating area with strong impact, tighten the module to the
base unit using screws. Module-fixing screws: M3 x 12 (Prepare them yourself.)
Locations of screws
Torque range
Module-fixing screws (M3 screw)
*1
0.36 - 0.48 N•m
Attaching and detaching the module and the base unit should be performed 50 times or less
(to conform to JIS B3502). If the count exceeds 50 times, it may cause a malfunction.