Yaskawa G7 Drive - Manual (Page 27)

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