Open-loop Drive A1
45
A1
parameter
description
default
units
min
max
hidden
item
run
lock
out
DC STOP LEVEL
The level of DC
injection current at
stop as a percent of
motor rated current.
50.0 %
rated
motor
current
0.0 150.0 N
Y
DC STOP FREQ
The frequency level
where the drive
initiates output of DC
injection current
during a controlled
stop.
0.5 Hz 0.0
10.0 N
Y
DC START TIME
The time DC injection
current is applied
following valid run
command until
release of the speed
command.
1.00 seconds
0.00
5.00
N
Y
DC STOP TIME
The time DC injection
current is applied
after the drive
decelerates to level
defined by the DC
STOP FREQ
parameter.
1.00 seconds
0.00
5.00
N
Y
OVERSPEED MULT
Multiplier for
overspeed test
125.0 %
contract
speed
100.0 150.0
N
N
STALL TEST LEVEL
The level of motor
current as a percent
of rated that will
cause a stall test
fault.
200.0 %
rated
motor
current
0.0 200.0 N
Y
STALL FAULT TIME
Time before a stall
fault is declared when
above the defined
stall test level
5.00 seconds
0.00
9.99
N
N
SLIP COMP TIME
Slip compensation
filter time constant.
1.50 seconds
0.01
1.00
N
N
SLIP COMP GAIN
Multiplier of motor
rated slip at rated
torque.
1.00 none 0.00
2.00
N
N
TORQ BOOST TIME
Torque boost filter
time constant.
0.05 seconds
0.01
1.00
N
N
TORQ BOOST GAIN
Multiplier of automatic
torque boost
0.00 none 0.00
2.00
N
N
SPD COMMAND BIAS
Subtracts an effective
voltage to actual
speed command
voltage
0.00 volts 0.00
6.00
N
Y
SPD COMMAND MULT
Scales analog speed
command
1.00 none 0.90
5.00
N
Y
MAINS DIP SPEED
Multiplier for contract
speed when in ‘low
voltage’ mode
25.00 %
contract
speed
5.00 99.99
N
Y
ZERO SPEED LEVEL
Threshold for zero
speed logic output
25.00 %
contract
speed
00.00 99.99
N
Y
ZERO SPEED TIME
Time before zero
speed logic output is
declared true.
0.10 seconds
0.00
9.99
N
Y