Safety Instructions
2.2 Notes on use
SIMATIC IPC847D
Operating Instructions, 01/2014, A5E32997454-AA
33
Rack-mount instructions
A) Elevated Operating Ambient - If installed in a closed or multi-unit rack, the operating
ambient temperature of the rack environment may be greater than the room ambient.
Therefore consideration should be given to installing the equipment in an environment
compatible with the maximum ambient temperature (Tma) specified by the manufacturer.
B) Reduced Air Flow - Installation of the equipment in a rack should be such that the
amount of air flow required for safe operation of the equipment is not compromised.
C) Mechanical Loading - Mounting of the equipment in the rack should be such that a
hazardous condition is not achieved due to uneven mechanical loading.
D) Circuit Overloading - Consideration should be given to the connection of the equipment
to the supply circuit and the effect that overloading of the circuits might have on overcurrent
protection and supply wiring. Appropriate consideration of equipment nameplate ratings
should be used when addressing this concern.
E) Reliable Earthing - Reliable earthing of rack-mounted equipment should be maintained.
Particular attention should be given to supply connections other than direct connections to
the branch circuit (e. g. use of power strips).
Ambient conditions for which the device is not suitable can cause faults or damage the
device.
Note the following:
• Operate the device only in closed rooms. Failure to comply nullifies the warranty.
• Operate the device only in accordance with the ambient conditions specified in the
technical specifications.
• Protect the device against dust, moisture and heat.
• Do not expose the device to direct sunlight or other strong sources of light.
• Without additional measures, such as a supply of clean air, the device may not be used
in locations with harsh operating conditions caused by acidic vapors or gases.
• Observe the permitted mounting positions of the device.
• Do not obstruct the venting slots of the device.
Note
Use in an industrial environment without additional protective measures
This device was designed for use in a normal industrial environment according to
IEC
60721-3-3.
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