32 Rockwell Automation Publication 750-PM101B-EN-P - April 2022
Chapter 3 PowerFlex 755T Control Block Diagrams
Figure 11 - Dynamic Bus Control
1
2
3
4
5
6
BA
D
C
FHEG
I
Dynamic Bus Control (DBC)
Linear DBC Power Limit Calc
NonLinear DBC Power Limit Calc
Nonlinear Order Calc
330
DBC NomMtrPwrLm
331DBC IdleMtrPwrLm
332
DBC NomRgnPwrLm
333DBC IdleRgnPwrLm
104
Regen Power Lmt
105
Motor Power Lmt
Parameter
Selection
61
DBC Mode Sel
Parameter
Selection
NonLinear-
OrderRegen
NonLinear-
OrderMtrng
DBC Vref Calc
62
DBC V Thresh Lo
63
DBC V Thresh Hi
64
DBC V Thresh Nom
7
Active Current
DBCVdcRef
VoltRefGen [B6]
DBCMtrngPwrLimActv
CurPwrLmt [B2]
DBCRegenPwrLimActv
CurPwrLmt [B2]
DBCMtrngPwrLimActv
DBCRegenPwrLimActv
3
Port 0,DC Bus Volts
Metering [D5]
DBC Mode Sel(61):
0- Linear
1-Nonlinear.
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 DBC