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Installation / Removal
Installation Position
The RS 485-IS Coupler can be mounted vertically or horizontally. The maximum
ambient temperature in vertical mounting position is 40_ C.
Open Equipment
The RS 485-IS Coupler is an of the open equipment class, i.e. it may only be
installed in lockable or mechanically secured enclosures, cabinets or electrical
switch rooms. Access to these enclosures, cabinets or electrical switch rooms is
only permitted to instructed or authorized personnel.
Installation technique
The RS 485-IS Coupler is mounted on a DIN rail for S7 installation technology.
Make allowances for trouble–free installation by maintaining a clearance of 40 mm
at the bottom and the top of the module.
For further information relating to the S7 installation technique for modules, refer to
the S7-300 Automation System, Installation Installation Manual.
Note
The RS 485-IS Coupler does not transfer signals on the S7 backplane bus.
Installation location
The RS 485-IS Coupler may be operated in potentially explosive atmospheres of
Zone 2, provided it is mounted in suitable enclosures. The PROFIBUS RS 485-IS
bus cable may be routed from the potentially explosive area to Zone 1.
Enclosures for Zone 2
The RS 485-IS Coupler must be installed in an enclosure with minimum IP 54. For
operation of the enclosure and cable glands in Zone 2 a declaration of conformity
to EN 50021 must be provided by the manufacturer.
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Product Information RS 485-IS Coupler (6ES7 972-0AC80-0XA0)
A5E00207628-02
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