3
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”.
•
The maximum number of drive power-ups is five in ten minutes. Too frequent power-ups
can damage the charging circuit of the DC capacitors.
•
If you have connected safety circuits to the drive (for example, emergency stop and Safe
torque off), validate them at the start up. For the validation of the Safe torque off, see
ACQ580 pump control program firmware manual (
). For the validation
of other safety circuits, see the instructions provided with them.
Note:
•
If you select an external source for start command and it is on, and the start command is
level-triggered, the drive will start immediately after fault reset. See parameters 20.02 Ext1
start trigger type and 20.07 Ext2 start trigger type in ACQ580 pump control program
firmware manual (
).
•
Depending on the wiring and parametrization of the drive, the stop key on the control
panel may not stop the drive.
•
Do not attempt to repair a malfunctioning drive; contact your local ABB representative in
regard to malfunctioning drive.
Electrical safety in installation, start-up and maintenance
Electrical safety precautions
These warnings are for all personnel who do work on the drive, motor cable or motor.
WARNING!
Obey these instructions. If you ignore them, injury or death, or damage to the
equipment can occur. If you are not a qualified electrical professional, do not do electrical
installation or maintenance work. Go through these steps before you begin any installation
or maintenance work.
1. Clearly identify the work location and equipment.
2. Disconnect all possible voltage sources. Make sure that re-connection is not possible. Lock out
and tag out.
•
Open the main disconnect at the power supply of the drive.
•
Open the disconnector of the supply transformer.
•
Disconnect any external power sources from the control circuits.
•
After you disconnect the drive, always wait for 5 minutes to let the intermediate circuit
capacitors discharge before you continue.
3. Protect any other energized parts in the work location against contact.
4. Take special precautions when close to bare conductors.
5. Measure that the installation is de-energized. If the measurement requires removal or
disassembly of shrouding or other cabinet structures, obey the local laws and regulations
applicable to live working (including – but not limited to – electric shock and arc protection).
•
Use a multimeter with an impedance of at least 1Mohm. Before and after measuring the
installation, verify the operation of the voltage tester on a known voltage source.
•
Make sure that the voltage between the drive input power terminals (L1, L2, L3) and the
grounding terminal (PE) is 0 V.
•
Make sure that the voltage between the drive output terminals (T1/U, T2/V, T3/W) and the
grounding (PE) busbar is 0 V.
