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Installation
Marshalled Termination Assemblies for ET200M Remote I/O Modules
30
A5E00482820-12
2.1
Mechanical Installation
The MTA housing is designed to be used with 35mm x 15mm Top Hat style DIN
rail.
2.2
Electrical Installation
These sections contain electrical connection details for wiring an ET200M MTA.
The Cabinet Guidelines provide required restrictions for installation inside a cabinet
and the Wiring Guidelines contains specific information about connector
identification, wire size, wire selection, and wire routing.
2.2.1
Cabinet Guidelines
Installing the MTAs into a cabinet will protect them from stray signals and the
environment. There are, however, certain safety agency restrictions that need to be
observed.
•
The MTA shall be installed in compliance with the enclosure, mounting, and
spacing, and segregation requirement of the ultimate application.
•
MTA's must be installed in an enclosure or cabinet that provides a degree of
protection IP54 or better
•
Cabinet or enclosure shall provide sufficient protection from Impact (IEC60079-
15, clause 26.3.3.1)
•
Enclosure or cabinet must be of metal or meet the requirements of IEC60079-
15 for plastic enclosures
•
Enclosure or cabinet shall protect MTAs from corrosion
•
Enclosure or cabinet shall provide suitable earthing facility in accordance with
IEC60079-15 clause 6
•
Enclosure or cabinet shall provide suitable cable or conduit entries in
accordance with IEC60079-15 clause 6
•
Provision must be made to prevent transient disturbances that would exceed
33 V
•
Enclosure shall be marked “Do not remove fuses when energized” and “Do not
separate connections when energized” in
Class I, Division 2, Groups A, B, C,
and D or non-hazardous locations.
Summary of Contents for ET 200M
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