Toshiba ACE-tronics G9 ASD Installation And Operation Manual page 243

F992
Brake-Seized Pulse Check Time
Program  Crane/Hoist  Closed Loop Hoist Control
This parameter sets the time for completing the
With a forward or reverse signal applied to the motor, a brake that is seized
closed will not allow the motor to rotate. To check for this condition, this
parameter sets the minimum number of encoder pulses that are expected to
occur within the time setting of F990.
See Figure 32 on pg. 235 for additional information on this parameter.
Brake-Seized Pulse Check
Program  Crane/Hoist  Closed Loop Hoist Control
With a forward or reverse signal applied to the motor, a brake that is seized
closed will not allow the motor to rotate.
To check for this condition, this parameter sets the minimum number of
encoder pulses that are expected to occur within the time setting of the
Brake-Release Mechanical (Delay) Time
Brake-Failure Pulse Count
Program  Crane/Hoist  Closed Loop Hoist Control
If while the brake is applied the encoder pulse count reaches this setting within
the time setting of the Brake-Release Torque (Proving) Time
the system will incur a Brake Failure
See Figure 32 on pg. 235 for additional information on this parameter.
Continuous Monitoring Brake-Fail Pulse-Count
Program  Crane/Hoist  Closed Loop Hoist Control
During normal operation this parameter establishes the maximum number of
encoder pulses allowed after the brake is applied before a
is incurred.
Maximum Up Speed At Brake Fail
Program  Crane/Hoist  Closed Loop Hoist Control
In the event of a brake failure this parameter setting is used as the hoist-up
speed limit.
Load Hover Time
Program  Crane/Hoist  Closed Loop Hoist Control
This parameter sets the time that the system will hold the load before the brake
is applied during a normal stop.
See Figure 32 on pg. 235 for additional information on this parameter.
ACE-tronics G9 ASD Installation and Operation Manual
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Brake-Seized Pulse Check.
(F990) parameter.
(F988) setting
fault.
Brake Failure
Direct Access Number — F992
Parameter Type — Numerical
Factory Default — 1.00
Changeable During Run — No
Minimum — 0.00
Maximum — 2.50
Units — Seconds
Direct Access Number — F993
Parameter Type — Numerical
Factory Default — 20
Changeable During Run — No
Minimum — 0
Maximum — 1024
Units — Pulse
Direct Access Number — F994
Parameter Type — Numerical
Factory Default — 100
Changeable During Run — No
Minimum — 5
Maximum — 100
Units — Pulses
Direct Access Number — F995
Parameter Type — Numerical
Factory Default — 200
Changeable During Run — No
fault
Minimum — 0
Maximum — 1024
Units — Pulses
Direct Access Number — F996
Parameter Type — Numerical
Factory Default — 6.00
Changeable During Run — No
Minimum — 0.00
Maximum — 60.0
Units — Hz
Direct Access Number — F997
Parameter Type — Numerical
Factory Default — 5.0
Changeable During Run — No
Minimum — 0.0
Maximum — 300.0
Units — Seconds
F997
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