User Manual V 1-4.XX User guide

11-28 Parameters
77 Current Rate Lim
Enter the largest allowable rate of change for the current
reference signal. This number is scaled in units of maximum per
unit current every two milliseconds.
Parameter number 77
File:group Control:Control Limits
Parameter type linkable destination
Display x.x%
Factory default 20.0%
Minimum value calculated
Maximum value 200.0%
Conversion 4096 = 100.0%
78 Fast Flux Level
Enter the percent of rated motor current to be used to flux up the
motor fast. The larger the value, the faster the motor reaches
rated flux. To enable the fast flux up feature, you must set bit 8 in
Bus/Brake Option (parameter 13).
Parameter number 78
File:group Application:Fast Flux Up
Parameter type destination
Display x.x%
Factory default 200.0%
Minimum value 100.0%
Maximum value calculated
Conversion 4096 = 100.0%
Refer to the Enabling Fast Flux Up section of Chapter 12,
Troubleshooting, for more information.
79
DC Brake Current
1
Enter the percent of motor current to be used for DC braking the
motor. To enable DC braking, you need to set bit 9 in Bus/Brake
Opts (parameter 13).
1 DC Brake Current was added in Version 2.xx.
Parameter number 79
File:group Application:DC Braking/Hold
Parameter type linkable destination
Display x.x%
Factory default 50.0%
Minimum value 0.0%
Maximum value calculated
Conversion 4096 = 100.0% current
Refer to Chapter 9, Applications, for more information.
80
DC Brake Time
1
Enter the period of time that the DC braking current should be
applied after a stop has been commanded. To enable DC
braking, you need to set bit 9 in Bus/Brake Opts (parameter 13).
1 DC Brake Time was added in Version 2.xx.
Parameter number 80
File:group Application:DC Braking/Hold
Parameter type destination
Display x.x seconds
Factory default 10.0 seconds
Minimum value 0.0 seconds
Maximum value 6553.5 seconds
Conversion 10=1.0 seconds
Refer to Chapter 9, Applications, for more information.
81 Motor Speed
Motor Speed contains a filtered version of speed feedback. The
value displayed in Motor Speed is passed through a low pass
filter having a 125 millisecond time constant.
Parameter number 81
File:group Monitor:Motor Status
Parameter type source
Display ±x.x rpm
Factory default not applicable
Minimum value -8 x base motor speed
Maximum value +8 x base motor speed
Conversion 4096 = base motor speed
82 Command Spd Sts
Command Spd Sts is the high word portion of a 32-bit speed
reference quantity. It is the input term for the Speed PI Regulator.
Parameter number 82
File:group Monitor:Drive/Inv Status
Parameter type source
Display ±x.x rpm
Factory default not applicable
Minimum value -8 x base motor speed
Maximum value +8 x base motor speed
Conversion 4096 = base motor speed