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46 Program features
Settings
Parameter group
(page
Programmable protection functions
External events (parameters
Five different event signals from the process can be connected to selectable inputs to
generate trips and warnings for the driven equipment. When the signal is lost, an
external event (fault, warning, or a mere log entry) is generated.
Motor phase loss detection (parameter
)
The parameter selects how the drive reacts whenever a motor phase loss is detected.
Earth (Ground) fault detection (parameter
)
Note that
• an earth fault in the supply cable does not activate the protection
• in a grounded supply, the protection activates within 2 milliseconds
• in an ungrounded supply, the supply capacitance must be 1 microfarad or more
• the capacitive currents caused by shielded motor cables up to 300 meters will not
activate the protection
• the protection is deactivated when the drive is stopped.
Supply phase loss detection (parameter
The parameter selects how the drive reacts whenever a supply phase loss is
detected.
Safe torque off detection (parameter
)
The drive monitors the status of the Safe torque off input, and this parameter selects
which indications are given when the signals are lost. (The parameter does not affect
the operation of the Safe torque off function itself). For more information on the Safe
torque off function, see section
Implementing the Safe torque off function
in the
Hardware manual of the drive.
Swapped supply and motor cabling (parameter
)
The drive can detect if the supply and motor cables are swapped accidentally (for
example, if the supply is connected to the motor connection of the drive). The
parameter selects if a fault is generated or not.
Current limit function (parameters
, and
)
The drive monitors the maximum current limit and its related parameters, and helps
the motor not to reach its stall current limit. The maximum current, monitoring time,
ACQ80 FW.book Page 46 Thursday, February 14, 2019 11:33 AM
Содержание ACQ80-04 Series
Страница 4: ...4 ACQ80 FW book Page 4 Thursday February 14 2019 11 33 AM ...
Страница 10: ...10 Table of contents ACQ80 FW book Page 10 Thursday February 14 2019 11 33 AM ...
Страница 16: ...16 Introduction to the manual ACQ80 FW book Page 16 Thursday February 14 2019 11 33 AM ...
Страница 26: ...26 Start up control with I O and ID run ACQ80 FW book Page 26 Thursday February 14 2019 11 33 AM ...
Страница 28: ...28 Using the control panel ACQ80 FW book Page 28 Thursday February 14 2019 11 33 AM ...
Страница 54: ...54 Program features ACQ80 FW book Page 54 Thursday February 14 2019 11 33 AM ...
Страница 196: ...196 Additional parameter data ACQ80 FW book Page 196 Thursday February 14 2019 11 33 AM ...
Страница 220: ...220 Fault tracing ACQ80 FW book Page 220 Thursday February 14 2019 11 33 AM ...
Страница 260: ...260 Fieldbus control through a fieldbus adapter ACQ80 FW book Page 260 Thursday February 14 2019 11 33 AM ...
Страница 264: ...264 Parameterization with drive composer ACQ80 FW book Page 264 Thursday February 14 2019 11 33 AM ...
Страница 268: ...268 Parameterization with automation builder drive manager ACQ80 FW book Page 268 Thursday February 14 2019 11 33 AM ...