A181, A179, A180 – Rockwell Automation 22C PowerFlex 400 AC Drive FRN 1.xx - 7.xx User Manual
Page 104: A178, Advanced program group (continued), A178 [dc brk time@strt, A179 [current limit 1, A180 [current limit 2, A181 [motor ol select, 46 programming and parameters
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):
Sets the length of time that DC brake current is “injected” into the motor after a valid start command is
received. Parameter
[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):
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):
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):
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 Derate
0
80
100
60
40
20
No Derate
0
80
100
60
40
20
%
of P033
[Motor OL Curent
]
Max Derate
0
80
100
60
40
20
0
200
175
150
125
100
75
50
25
0
200
175
150
125
100
75
50
25
0
200
175
150
125
100
75
50
25