Mounting The Modules; Mounting Of The Head Station; Mounting Of The Base Modules - Mitsubishi Electric MELSEC ST Series Installation Manual

Modular input/output system
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Installation

Mounting the Modules

4.3
4.3.1

Mounting of the Head Station

Groove for
DIN rail at the rear
of the head station
4.3.2

Mounting of the Base Modules

NOTE
Base modules with spring clamp terminals and base modules with screw clamp terminals
may not be used in the same station.
Head station
Head station
DIN rail
32
Head module
DIN rail
Base module
Groove for DIN rail at the
rear of the base module
Lightly tip the head module forwards and
hook the module under the rail with the
Head station
lower limit of the DIN rail cutout.
Now press the head module in the direc-
tion of the DIN rail until the module clicks
into the place and is securely anchored on
the DIN rail.
Allow sufficient space to the left of the
head module for the anchoring clips (see
page 34).
Lightly tilt the base module forwards
lightly and hook it under the DIN rail with
the lower limit of rail.
Now press the base module in the direc-
tion of the DIN rail, until the module clicks
into place and is securely anchored on
the DIN rail.
Push the base module on the DIN rail to
the left to establish the electrical connec-
tion with the head station or with another
base module.
Mount the other base modules in the
same manner. In this process pay atten-
tion to a secure anchoring on the DIN rail.
There cannot be any gap between the
head module and the first base module,
and between the base modules.
MITSUBISHI ELECTRIC

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