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Chapter 2 – Safety Information
3.7
Upgrading/Servicing
4
Decommissioning and Disposal
RPV311-TM-EN-7
Where external components such as resistors or voltage
dependent resistors (VDRs) are used, these may present a
risk of electric shock or burns if touched.
Operation of computers and equipment connected to
RPV311 and RA33x under environmental conditions such
as temperature and humidity that exceed the conditions
specified in their respective manuals can cause
malfunctioning or even irreversible damage to them or
the nearby installation.
There might be situations in which the RPV311 and
RA33x are operating within its environmental operational
range, but the computers, equipment connected to them
or nearby equipment are operating outside their
operational
range.
malfunctioning and/or irreversible damage to those
devices. In that occasion the communication to the
Reason equipment might be compromised but its
recording, operational and safety capacities will not be
affected.
Take extreme care when using external test blocks
and test plugs such as the MMLG, MMLB and P990,
as hazardous voltages may be exposed. Ensure that
CT shorting links are in place before removing test
plugs, to avoid potentially lethal voltages.
Do not insert or withdraw modules, PCBs or
expansion boards from the equipment while
energized, as this may result in damage to the
equipment. Hazardous live voltages would also be
exposed, endangering personnel.
Internal modules and assemblies can be heavy and
may have sharp edges. Take care when inserting or
removing modules into or out of the IED.
That
situation
can
RPV311
cause
33
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