Allen-Bradley PowerFlex 70 Reference Manual

2-38 Block Diagrams
Figure 2.5 PowerFlex 700VC Block Diagams (5)
447
446 445
+
121
416
152
Speed Control - Regulator
(1.0 ms)
Droop
23
25
621
P Gain
kp
I Gain
ki
s
Limit
Kp Speed Loop
Ki Speed Loop
Slip RPM @ FLA
FeedFwd
kf
Speed Feedback
Speed Reference
Kf Speed Loop
Droop RPM @FLA
Fdbk Filter Sel
from Speed Cntrl Ref
[4H4]
To Torque Control Ref
[6A1]
Testpoint 621
+
-
+
-
+
-
Lead Lag
620 Testpoint 620
Lead Lag
416
Fdbk Filter Sel
2
nd
Order LPass
Filter
ks +
s +
2
s
2
+ 2 s
+
2
ks +
s +
ω
ω
ω
ω
ω
ω

Allen-Bradley PowerFlex 70 Specifications

General

Input Voltage	200-240V AC, 380-480V AC, 500-600V AC
Frequency Range	0 - 400 Hz
Humidity	5% to 95% non-condensing
Output Voltage	0 to Input Voltage
Control Methods	Sensorless Vector Control
Communications	Ethernet/IP, DeviceNet, ControlNet
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Ground Fault
Operating Temperature	0°C to 50°C (32°F to 122°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Enclosure Rating	IP20, NEMA Type 1