
Chapter 4 - SETTING-UP AND COMMISSIONING
4-26
584S Frequency Inverter
performing the speed search, the inverter frequency falls below this level,
flycatching is deemed to have failed. The drive will then restart from zero
speed.
Range:
0.0Hz to 120.0Hz
Default:
10.0Hz
Auto Restart
The
AUTO
RESTART
function allows the drive a limited number of self restarts after a trip has occurred.
AUTO
RESTART
is only recommended for remote drive applications where manual clearing of drive fault conditions is
impractical.
WARNING!
When using
AUTO
RESTART
the drive will restart automatically. It is the user's responsibility to
ensure that unexpected drive restarts do not cause injury to people or damage to equipment.
The following
AUTO
RESTART
parameters are provided:
ENABLE
This parameter globally enables the
AUTO
RESTART
function.
Default:
Disabled
ATTEMPT
DELAY
This determines the delay between
AUTO
RESTART
attempts.
Range:
0.5 to 600.0 seconds
Default:
10.0 seconds
ATTEMPTS
This parameter governs the number of restarts the drive will try before
requiring a manual fault reset.
Range:
1 to 10
Default:
5
ATTEMPTS
LEFT
This is a read-only diagnostic indicating the number of restart attempts left
before a manual fault reset is required.
TRIP
MASK
This parameter permits the user to perform
AUTO
RESTART
only on selected
trip conditions. The
TRIP
MASK
is a 16 bit hexadecimal number each bit of
which is logically ANDed with the corresponding bit of the 16 bit
DRIVE
STATUS
diagnostic word (chapter 5). When the drive trips, a unique bit in the
DRIVE
STATUS
diagnostic word is set. This bit identifies the type of trip that
has occurred. If the corresponding bit in the
TRIP
MASK
word is also set, and
AUTO
RESTART
is ENABLED, an
AUTO
RESTART
attempt will be made. If
the corresponding bit in the
TRIP
MASK
word is not set, no
AUTO
RESTART
attempt is made (and the fault condition will require a manual reset).
Range:
0x0000 to 0xFFFF
Default:
0x1F00
NOTE: The default value for the
TRIP
MASK
word is 0x1F00. Thus, with the
AUTO
RESTART
feature ENABLED, the drive will only attempt to restart after the following trips:
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Summary of Contents for 584S
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