11
Safety
Safety
What this chapter contains
The chapter contains safety instructions that you must follow when installing,
operating and servicing the drive. If ignored, physical injury or death may follow, or
damage may occur to the drive, motor or driven equipment. Read the safety
instructions before you work on the drive.
Use of warnings
Warnings caution you about conditions which can result in serious injury or death
and/or damage to the equipment, and advise on how to avoid the danger. The
warning symbols are used as follows:
Electricity warning
warns of hazards from electricity which can cause
physical injury and/or damage to the equipment.
General warning
warns about conditions, other than those caused by
electricity, which can result in physical injury and/or damage to the
equipment.
Safety in installation and maintenance
These warnings are intended for all who work on the drive, motor cable or motor.
Electrical safety
WARNING!
Ignoring the instructions can cause physical injury or death, or damage
to the equipment.
Only qualified electricians are allowed to install and maintain the drive!
• Never work on the drive, motor cable or motor when input power is applied. After
disconnecting the input power, always wait for 5 minutes to let the intermediate
circuit capacitors discharge before you start working on the drive, motor or motor
cable.
Always ensure by measuring with a multimeter (impedance at least 1 Mohm) that:
1. There is no voltage between the drive input phases U1, V1 and W1 and the
ground.
2. There is no voltage between terminals BRK+ and BRK- and the ground.
• Do not work on the control cables when power is applied to the drive or to the
external control circuits. Externally supplied control circuits may carry dangerous
voltage even when the input power of the drive is switched off.
• Do not make any insulation or voltage withstand tests on the drive.
Содержание ACS150 series
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Страница 19: ...18 Introduction to the manual ...
Страница 39: ...38 Planning the electrical installation ...
Страница 51: ...50 Installation checklist ...
Страница 57: ...56 Start up and control with I O ...
Страница 69: ...68 Control panel ...
Страница 79: ...78 Application macros ...
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Страница 169: ...166 Appendix Process PID control ...
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