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4.4
Ambient and Environmental Conditions
When you plan your project, you should make allowances for:
● The climatic and mechanical environmental conditions specified in the specifications
● The device is approved for operation in closed rooms only.
● Avoid extreme ambient conditions. Protect the device against dust, moisture and heat.
● Do not place the device in direct sunlight.
● Always maintain a minimum clearance of 100 mm to components installed above or
● Do not cover the ventilation slots of the device.
● Always observe the mounting positions permitted for this device.
● The device with DC power supply does not fulfill the requirements according to
● The connected or added peripherals must not introduce a counter emf greater than 0.5 V
SIMATIC HMI IPC577C
Operating Instructions, 10/2010, A5E02368074-02
given in your operating instructions.
underneath the device, or to the walls of an enclosure.
EN 60950-1 in the power supply unit area. The device must therefore be installed in such
a ways is part of an operating area with restricted access (e.g. a locked control cabinet,
control panel or server room).
into the device.
WARNING
Failure to adhere to these conditions when mounting the system voids the approvals
based on UL 60950-1, UL 508 and EN 60950-1!
4.4 Ambient and Environmental Conditions
Application planning
33
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