Instruction Manual
3-46 Programming and Parameters
PowerFlex 400 Adjustable Frequency AC Drive FRN 1.xx - 7.xx User Manual
Publication 22C-UM001I-EN-P
Advanced Program Group (continued)
A178 [DC Brk Time@Strt] Related Parameter(s): P037, A177
Sets the length of time that DC brake current is “injected” into the motor after a valid start command is
received. Parameter A177
[DC Brake Level] controls the level of braking current used.
Values Default: 0.0 Secs
Min/Max: 0.0/99.9 Secs (A setting of 99.9 = Continuous)
Display: 0.1 Secs
Volts/Speed
Time
Start Command
[DC Brake Level]
[DC Brk Time@Strt]
Voltage
Speed
A179 [Current Limit 1] Related Parameter(s): P033
Maximum output current allowed before current limiting occurs.
Values Default: Drive Rated Amps × 1.1
Min/Max: 0.0/(Drive Rated Amps × 1.5)
Display: 0.1 Amps
A180 [Current Limit 2] Related Parameter(s): P033
Maximum output current allowed before current limiting occurs.
Values Default: Drive Rated Amps × 1.1
Min/Max: 0.0/(Drive Rated Amps × 1.5)
Display: 0.1 Amps
A181 [Motor OL Select] Related Parameter(s): P032, P033, P043
Drive provides Class 10 motor overload protection. Settings 0-2 select the derating factor for the I
2
t
overload function.
Options 0 “No Derate” (Default)
1 “Min Derate”
2 “Max Derate”
Min D
e
r
a
t
e
0
80
1
00
60
4
0
2
0
N
o
D
e
r
a
t
e
0
80
1
00
60
4
0
2
0
%
of P033
[
Motor OL Curent
]
M
a
x D
e
r
a
t
e
0
80
1
00
60
4
0
2
0
0
2
00
17
5
1
50
12
5
1
00
7
5
50
2
5
0
2
00
17
5
1
50
12
5
1
00
7
5
50
2
5
0
2
00
17
5
1
50
12
5
1
00
7
5
50
2
5