Allen-Bradley PowerFlex 70 Enhanced Control User Manual

120 Derating Guidelines
Derating Guidelines PowerFlex 70 & 700 Altitude and Efficiency
UTILITY
Diag-Vector Cntl
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
%
✔
File Group No.
Parameter Name & Description Values
PF 70 PF 700 PF700H
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 6,0003,0002,0001,000
10 20 30 40 50 60 70 80 90 100
% Speed/% Load
% Efficiency
vs. Speed
vs. Load
75
80
85
90
95
100

Allen-Bradley PowerFlex 70 Enhanced Control Specifications

General

Brand	Allen-Bradley
Model	PowerFlex 70 Enhanced Control
Category	DC Drives
Language	English