ABB Switzerland Ltd 1KHW001489-EN ETL600
Alteration
DANGER
Alteration of the equipment is not allowed.
Safety and monitoring facilities
DANGER
Mechanical safety facilities such as cover plates
must not be removed or by-passed.
Back cover
DANGER
Hazardous voltages and/or hazardous energy level
behind the back cover. Before removing the back
cover, the isolating terminals of the external cables
must be opened or the cables to the terminals must
be disconnected.
Inserting and removing of plug-in modules
Caution
Neither removing nor inserting of modules is
permitted during power-up of the equipment.
Preceding to plug in and out of modules the power
supply of the equipment has to be switched OFF.
Unused slots
DANGER
Unused slots in the equipment subracks must be
covered with blanking plates.
PCB Extenders
DANGER
For measuring purposes only the original PCB
extenders P4LM, P3LL and I9BK, designed to work
with ETL600 equipment, must be used.
ESD protection
Caution
ESD
The modules in this equipment contain devices,
which can be damaged by electrostatic discharges.
Appropriate measures must be taken before
unpacking modules or withdrawing them from
equipment racks. Essential precautions to prevent
ESD damage when handling or working on modules
are grounding straps for technical personnel and the
provision of anti-static workbenches. Modules may
only be shipped either in their original packing or
installed in equipment racks.
8-2 November 2005 Operation and Maintenance
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