Rockwell Automation 20A PowerFlex 70EC/700VC - Manual (Page 124)

120 Derating Guidelines
Derating Guidelines PowerFlex 70 & 700 Altitude and Efficiency
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549 Flux Braking % (% of normal output voltage)
Gain adjustment for Flux Braking mode.
Default:
Min/Max:
Units:
175
100/250
%
✔ ✔
550 Ki Flying Start
Integral gaing for Flying Start mode.
Default:
Min/Max:
Units:
150
20/5000
✔
551 Ki DC Brake
Integral gain for DC Braking mode.
Default:
Min/Max:
Units:
25
0/500
✔
552 Dead Time Comp
Voltage compensation for off time between PWM
switching events.
Default:
Min/Max:
Units:
75
50/100
%
✔
Fi
le
Gr
ou
p
No. Parameter Name & Description Values PF 70 PF 700 PF70
0H
70EC 700VC 700H
✔ ✔
Frame Type Derate
All Altitude
Efficiency
(typical)
% of Drive Rated Amps
Altitude (m)
100%
80%
70%
90%
0 4,000 5,000 6,000 3,000 2,000 1,000
10 20 30 40 50 60 70 80 90 100
% Speed/% Load
% Efficiency
vs. Speed
vs. Load
75
80
85
90
95
100