Base Modules - Mitsubishi Electric MELSEC ST Series Installation Manual

Modular input/output system
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Description of the Modules

Base Modules

3.2
Number
³
·
»
¿
´
²
22
Side view
of all modules
(1-slot width)
Meaning
External wiring terminal block
Base module connector
DIN rail mounting groove
FG contact
Fixing hook
Coding element mounting
holes
Lock lever
11
21
³
11
12
22
12
13
23
13
Front view
Description
Terminal block for connection of external wiring.
The terminal block color changes depending on the slice module
type.
b
Dark grey: I/O modules
b
Redt: Power distribution modules
The terminal block for shield has light gray stripes.
Connector for electrical connection between base modules. The con-
nector color changes depending on the base module type.
b
Dark gray: For bus refresh module (for powering the head module),
power feeding modules and I/O modules.
b
Yellow: For bus refresh module (for extension)
Mounts the head station to the DIN rail.
Grounding metal spring on the back of the head station.
FG of all mounted modules ist connected via the conductive DIN rail.
Hook for coupling with an adjacent base module.
The coding element is fixed in this hole automatically while mounting
a slice module for the first time.
To remove the base module from the DIN rail, insert a screwdriver in
this lever from the front of the module and then pulled the screw-
driver downward.
21
31
41
51
61
71
81
91
101
111 121
131 141
22
32
42
52
62
72
82
92
102
112 122
132 142
23
33
43
53
63
73
83
93
103
113 123
133 143
Front view
(8-slot width)
MITSUBISHI ELECTRIC
151 161
152 162
153 163

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