ABB ETL600 Instruction Manual page 178

ABB Switzerland Ltd
DANGER
DANGER
Work on the system
DANGER
Back cover
DANGER
Unused slots
DANGER
External cables
DANGER
DANGER
Insertion and removal of plug-in modules
Caution
6-2
1KHW001489-EN
The isolating terminals from the external cables
must be kept open during installation, maintenance
and before storage, decommissioning and disposal.
Faston plugs on the cables connected to the rack
P7LA must be covered with an isolation sleeve.
Unused faston connectors have to be covered.
Do not work on the system or connect or disconnect
cables during periods of lightning activities.
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.
Unused slots in the equipment subracks must be
covered with blanking plates.
The shields of the external cables V9OD, V9OS and
V9OF must be earthed at both cable ends using the
shield clamps supplied with the cables.
Do not connect or disconnect energized cables to or
from the equipment.
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.
November 2005
ETL600
Assembly and Installation