DG-IRMCK203 Datasheet, PDF (41/67 Pages) International Rectifier – Application Developer’s Guide

Field
Name
KpIreg
KxIreg
VqLim
VdLim
IRMCK203 Application Developer’s Guide
Access Field Description
(R/W)
W 15-bit signed current loop PI controller proportional gain. Scaled with
14 fractional bits for an effective range of 0 – 1.
W 15-bit signed current loop PI controller integral gain. Scaled with 19
fractional bits for an effective range of 0 - .03125.
W 16-bit Quadrature current PI controller voltage output limit.
W 16-bit Direct current PI controller voltage output limit.
TorqueLoopConfig Write Register Field Definitions
4.2.5 VelocityControl Register Group (Write Registers)
Byte
Offset
Bit Position
7
6
5
4
3
2
1
0
0x32
KpSreg – Velocity loop proportional gain (LSBs)
(W)
0x33
KpSreg – Velocity loop proportional gain (MSBs)
(W)
0x34
KxSreg – Velocity loop integral gain (LSBs)
(W)
0x35
KxSreg – Velocity loop integral gain (MSBs)
(W)
0x36
MotorLim – Velocity loop Output Positive Limit (LSBs)
(W)
0x37
MotorLim – Velocity loop Output Positive Limit (MSBs)
(W)
0x38
RegenLim – – Velocity loop Output Negative Limit (LSBs)
0x39
RegenLim – – Velocity loop Output Negative Limit (MSBs)
0x3A
SpdScl – Speed Scale Factor (LSBs)
0x3B
SpdScl – Speed Scale Factor (MSBs)
0x3C
TargetSpd – Setpoint/target speed (LSBs)
0x3D
TargetSpd – Setpoint/target speed (MSBs)
0x3E
AccelRate
0x3F
DecelRate
0x7A
MinSpd
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