Rockwell Automation Allen-Bradley PowerFlex 755T User Manual

84 Rockwell Automation Publication 750-PM101B-EN-P - April 2022
Chapter 3 PowerFlex 755T Control Block Diagrams
Figure 63 - Inverter Overload IT
1 2 3 4 5 6
BA
D
C
FHEG
I
Inverter Overload IT (Invert IT)
Heatsink and
Junction Degree
Calculator
Inverter Overload (IT)
NTC
Output Current
3
Duty Cycle / Rating
PWM Frequency
Power Frame Reading Data
425
0:3
Drive OL Mode
220
Current Lmt Sel
221
222 223
Other Ref Sources
Current Limit 1
Current Limit 2
357 Drive OL Count 359 IGBT Temp Pct 360
IGBT Temp
362
Heatsnk Temp Pct
363
Heatsnk Temp
224 Active Cur Lim
Alarm Status B
IGBT OT
960 0
1 4 5 6
Heatsink OT Drive OL CurLmt Reduc PWMFrq Reduc
Fault Status B
Drive OL
953 2
3 4 5 6
Heatsink OT Transistor OT SinkUnderTmp Excess Load
Parameter
Selection
Cur IM [H5]
426 PWM Freq Act
306
Voltage Class 305
DC Bus Volts
Bus Regulator
dc bus
Bus Reg Mode A Bus Reg Mode B
116 117
Bus Reg Lvl Cfg
118
Bus Reg Level
119
Bus Reg Ki
121
Bus Reg Kp
120
Bus Limit Kp
122
Bus Limit Kd
123
Bus Limit ACR Ki
125
Bus Limit ACR Kp
124
* Note: Parameters are
not functional when any
of the FV motor control
modes are selected
13DC Bus Memory
*
Bus Memory
0
1 2
LineSideRef
13:50
DC Bus Command
BusReg Level
Converter Control
Bus Voltage Reference
Overview VarCtrl PFC Vector Overview PRef Move Prof Ind 2 VelRefCAM Ld Obs Cur IPM MOP Logic Metering DroopCtrl CurPwrLmt Freq Overview PRef2 Roll Psn VRef Vect Friction Comp Proc 1 22Series IO Digital Invert PLL DBC CurrCtrl CBI Metering PReg Spindle Ref Move Trq RefCAM Proc 2 22Series IO Digital Motor I2T PwrLoss VoltRefGen LscCtrlCfg Fdbk Psn PLL VRef Overview VReg Vect Trq Ref AntiSway 11-Series IO Digital High Speed Wizard LscData VoltCtrl DriveDerating Homing Psn CAM VRef Sel Trq Overview Trq Filt Oil Well 1 22-Series IO Analog CurRefGen DCBusObs PRef1 Prof Ind 1 VRef All Trq Ref Sel Cur IM SPM Oil Well 2 22-Series IO Analog Invert

Rockwell Automation Allen-Bradley PowerFlex 755T Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley PowerFlex 755T
Category	DC Drives
Language	English