Yaskawa E7 Drive Technical Manual - Manual (Page 3)

Date: 02/25/2010, Rev: 10-02 Page 3 of 34 TM.F7SW.064
Master T
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Mas
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Master E
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Fol
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Gear
Box
Follower
Motor
Master
Motor
Al
ig
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PG
-X2
F 7
PG
-W
2
F 7
Simplified Block Diagram of the Electronic Lineshaft Function
Simplified Application Example of Electronic Lineshaft with Alignment Function
Gear
Calculation
Gear
Calculation
Master Encoder
Speed
Master Encoder
Pulse Count
Follower Encoder
Pulse Count
+
-
+
+
PI
Controller
Frequency
Reference
ELS Mode Enabled OR
ELS – Sign Mode
Enabled
Position Error
Accumulator
Speed Calculation
Position Regulator
ELS – Sign Mode Enabled
AND Reverse Run Command
ELS – Sign Mode Enabled
AND Reverse Run Command