ABB ACS480, Руководство по оборудованию, Страница: 17 / 180

If the protective earth conductor is separate (ie, it does not form part of the input power
cable or the input power cable enclosure), the cross section must be at least:
• 2.5 mm
2
(14 AWG) when the conductor is mechanically protected, or
• 4 mm
2
(12 AWG) when the conductor is not mechanically protected.
General safety in operation
These instructions are for all personnel that operate the drive.
WARNING!
Obey these instructions. If you ignore them, injury or death, or damage to the
equipment can occur.
• Give a stop command to the drive before you reset a fault. If you have an external source
for the start command and the start is on, the drive will start immediately after the fault
reset, unless you configure the drive for pulse start. See the firmware manual.
• Before you activate the automatic fault reset or automatic restart functions of the drive
control program, make sure that no dangerous situations can occur. These functions
reset the drive automatically and continue operation after a fault or supply break. If these
functions are activated, the installation must be clearly marked as defined in
IEC/EN 61800-5-1, subclause 6.5.3, for example, "THIS MACHINE STARTS
AUTOMATICALLY".
Note:
• The maximum drive power cycles is five times in ten minutes. Power cycling the drive
too often can damage the charging circuit of the DC capacitors. If you need to start or
stop the drive, use the control panel start and stop keys or commands through the I/O
terminals of the drive.
• Depending on the wiring and parametrization of the drive, the stop key on the control
panel may not stop the drive.
Additional instructions for permanent magnet motor drives
￭ Safety in installation, start-up, maintenance
These are additional warnings concerning permanent magnet motor drives. The other safety
instructions in this chapter are also valid.
WARNING!
Obey these instructions. If you ignore them, injury or death, or damage to the
equipment can occur.
If you are not a qualified electrician, do not do installation or maintenance work.
• Do not do work on the drive when a rotating permanent magnet motor is connected to
it. A rotating permanent magnet motor energizes the drive including its input and output
power terminals.
Before installation, start-up and maintenance work on the drive:
• Stop the drive.
• Disconnect the motor from the drive with a safety switch or by other means.
Safety instructions 17