ABB ETL600 Instruction Manual page 220

ABB Switzerland Ltd
O4LE
DANGER
G4AI
DANGER
Caution
•
It is important that this instruction manual is read and fully
comprehended by all people involved including personnel that has
already undergone training and is otherwise qualified before
changing the configuration or carrying out maintenance etc.
•
Take note of the instructions in section 6.2.3 to avoid damage to
the equipment while being transported.
•
Cabinets that have not been secured to the floor can tip forwards
when the hinged equipment frame is opened.
•
Safety devices such as cover plates must not be removed or
bypassed.
•
Pay attention to high-voltage warnings.
•
Before switching on the power supply, check that the circuit is
protected by a miniature circuit breaker and the equipment/cabinet
is properly grounded and check the polarity and value of the power
supply.
•
It is not permitted to insert or withdraw modules during operation;
the power supply must be switched off first.
•
The modules contain CMOS integrated circuits that can be
damaged by electrostatic discharge. It is important to take certain
precautions to prevent electrostatic discharge before removing the
packing or withdrawing them from the racks. Indispensable
precautions to avoid ESD damage are earthing of people working
on the modules and a working surface that protected against
electrostatic discharge. Only transport modules in their original
packing or installed in racks.
•
It is not permitted to modify the equipment in any way.
8-4
1KHW001489-EN
The phone interface on the module O4LE generates
dangerous voltage up to 100 V. Don't operate the
module without upper and lower cover plate. Do not
touch the open pins of the service phone connector,
the leads of its cable, the pins of the external cable
connector and the leads of the external cable.
Hazardous voltages and/or hazardous energy level
on the module and the cable.
Do not touch the module and the cable leads.
The following safety instructions must be strictly
observed to prevent injury to persons and damage
to plant.
November 2005
ETL600
Operation and Maintenance