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Installation - Siemens SIMATIC CC712 Operating Instructions Manual

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Installation, wiring, commissioning

3.2 Installation

EXPLOSION HAZARD
The equipment is intended to be installed within an ultimate enclosure. The inner service
temperature of the enclosure corresponds to the ambient temperature of the module. Use
installation wiring connections with admitted maximum operating temperature of at least
30 ºC higher than maximum ambient temperature.
Wall mounting is only permitted if the requirements for the housing, the installation
regulations, the clearance and separating regulations for the control cabinets or housings
are adhered to. The control cabinet cover or housing must be secured so that it can only be
opened with a tool. An appropriate strain-relief assembly for the cable must be used.
Substitution of components may impair suitability for Division 2.
3.2
Installation
Open equipment
The device is "open equipment" acc. to the standard UL 61010-2-201. To fulfill
requirements for safe operation with regard to mechanical stability, flame retardation,
stability, and protection against contact, the following alternative types of installation are
specified:
• Installation in a suitable cabinet.
• Installation in a suitable enclosure.
• Installation in a suitably equipped, enclosed control room.
Cable temperatures
If the cable or housing socket exceeds 70 °C or the branching point of the cables exceeds
60 °C, special precautions must be taken. If the equipment is operated in an ambient
environment in excess of 40 °C, only use cables with permitted maximum operating
temperature of at least 80 °C.
28
WARNING
WARNING
WARNING
WARNING
WARNING
Operating Instructions, 05/2019, C79000-G8976-C503-01
SIMATIC CC712

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