YASKAWA G7 Technical Manual page 27

6.0 Block Diagrams
Master Encoder Speed
Master Encoder PPR (P1-02)
Follower Encoder PPR (F1-01)
Primary Ratio
P1-03 ~ P1-06
Secondary Ratio
P1-07 ~ P1-08
Master Pulse Count
Follower Pulse Count
Master Encoder PPR (P1-02)
Encoder PPR (F1-01)
Gear Ratio Adjustment
Advance/Retard Multi-function Inputs
Clear Position Error Multi-function Input
Communication Advance/Retard Counts
Date: 03/31/09, Rev: 09-03
Master Encoder Follower Reference
Frequency Reference After Gear Ratio
(U1-90) (U1-91)
Master
Encoder Gear
Speed Ratio
Reference Calculation
Calculation
Ratio 2 Select
Multi-function Input
Position Error
Calculation
Master Follower
Counts/5ms Counts/5ms
(U1-58) (U1-59)
Figure 7: Software Overview Diagram
Page 27 of 30
Follower Reference After
Gear Ratio Adjustment
(U1-93)
Gear Ratio
Adjustment
Position P Gain (P3-01)
Position I Time (P3-02)
Position Regulator Filter
Time (P3-03)
Position PI Limit (P3-04)
Position Error
Reset Multi-
function Input
Position Error
(U1-96)
Position PI Regulator
Position Regulator P Output
(U1-97)
Alignment
(Displacement
Error)
+
+
Speed Proportional Position
1
Trim Lower Limit (P3-06)
Position Error
Position
Integral Reset
Regulator PI
Multi-function
Output
Input
(U1-99)
Position Regulator I Output
(U1-98)
TM.G7SW.064
Follower Mode
Selection (P1-01)
1,2,3
Frequency
Reference
4
Position Regulator Trim
0
Mode (P3-05)