1.2.3.7 Risks associated with live electric parts
Voltage related risks, general
Work on the electrical equipment of the manipulator must be performed by a
qualified electrician in accordance with electrical regulations.
•
Although troubleshooting may, on occasion, need to be carried out while the
power supply is turned on, the robot must be turned off (by setting the mains
switch to OFF) when repairing faults, disconnecting electric leads and
disconnecting or connecting units.
•
The mains supply to the robot must be connected in such a way that it can
be turned off from outside the robot’s working space.
•
Make sure that one else can turn on the power to the controller and
manipulator while you are working with the system. A good method is to
always lock the main switch on the controller cabinet with a safety lock.
The necessary protection for the electrical equipment and manipulator system
during construction, commissioning, and maintenance is guaranteed if the valid
regulations are followed.
All work must be performed:
•
by qualified personnel
•
on machine/manipulator system in deadlock
•
in an isolated state, disconnected from power supply, and protected against
reconnection
Voltage related risks, IRC5 controller
A danger of high voltage is associated with, for example, the following parts:
•
Be aware of stored electrical energy (DC link, Ultracapacitor bank unit) in
the controller.
•
Units such as I/O modules, can be supplied with power from an external
source.
•
The mains supply/mains switch
•
The transformers
•
The power unit
•
The control power supply (230 VAC)
•
The rectifier unit (262/400-480 VAC and 400/700 VDC. Note: Capacitors!)
•
The drive unit (400/700 VDC)
•
The drive system power supply (230 VAC)
•
The service outlets (115/230 VAC)
•
The customer power supply (230 VAC)
•
The power supply unit for additional tools, or special power supply units for
the machining process.
•
The external voltage connected to the controller remains live even when the
robot is disconnected from the mains.
•
Additional connections.
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3HAC033453-001 Revision: H
© Copyright 2009-2013 ABB. All rights reserved.
1 Safety
1.2.3.7 Risks associated with live electric parts
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Страница 1: ...ABB Robotics Product manual IRB 4600 ...
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