Siemens Simatic IPC647C, Руководство по эксплуатации

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Application planning
4.3 Ambient and environmental conditions
SIMATIC IPC647C
Operating Instructions, 12/2010, A5E02669337-02
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Device equipment
The device equipment is listed on the inner side of the front door.
4.3 Ambient and environmental conditions
WARNING
If the following requirements for system installation are not observed, approvals to UL
60950-2, EN 60950-2 are rendered void and there is a risk of overheating and injury.
When you plan your project, you should make allowances for:
●
Climatic and mechanical environmental conditions defined in the "General technical data"
chapter of the operating instructions.
● Avoid extreme ambient conditions as far as possible. Protect your device against dust,
moisture and heat.
● This device was designed for use in a normal industrial environment. SIMATIC Rack PCs
may not be operated in severe environments which are subject to caustic vapors or
gases without taking additional protective measures (such as the provision of clean air.)
● Do not expose the device to direct sunlight.
● Install the device in such a way that it poses no danger, for example, by falling over.
● The device conforms to protection class IP41 at the front panel. Ensure that the
installation opening for the device is splash-proof in areas which may be subject to splash
water.
● Always maintain a minimum clearance of 50 mm to the area of the ventilation slots in
order to ensure adequate ventilation of the PC.
● Do not cover the ventilation slots of the enclosure.
● The device meets requirements for fire protection housings to EN 60950-1 and can be
installed without additional fire protection enclosure.
● The connected or built-in peripherals should not introduce a counter emf in excess of
0.5 V into the device.
4.4 Access protection
The access protection of the rack PC is only enabled if the front door is locked.