3500 Flat Panel Industrial PCs
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Warning
Never connect or disconnect the communication cables while power is applied at either
end of the cable. This may result in an incendiary spark. Permanent damage to the
workstation communication components may occur.
Operation and Maintenance
The systems have been designed for compliance with relevant spark ignition tests.
However, please note that the workstation front panel contrast adjustment tactile
switches and keyboard connector are the only make/break components intended to be
exercised by the operator in the course of normal operation.
Warning
In order to maintain a safe condition, never use an external keyboard or mouse when
the unit is operating in the presence of a hazardous environment.
With respect to Hazardous Location installations, always observe the following rules:
1. Always install the workstations within an enclosure suitable for the specific
application. General purpose enclosures may be acceptable for Class I
applications but are never acceptable for Class II applications. Type 4 (IP 65)
enclosures are recommended even when not required by regulations.
2. If present, keep enclosure doors or openings closed at all times, to avoid the
accumulation of foreign matter inside the workstation.
3. Never subject the unit to any installation or service procedures unless power is
known to be removed and the area is known to be non-hazardous. This includes
the installation or removal of power cables, communication cables, or removal of
the rear cover of the unit.
4. Only technically qualified service personnel should perform all installation and
service. These workstations are designed to require no service in the course of
normal operation by an operator.
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