YASKAWA CR700

EZZ023535
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3.4 Block Diagram
Figure 3.3 Block Diagram of Synchronous Control
Master encoder
speed
Encoder 2 paramete
r
(F1-31)
Encoder 1 paramete
r
(F1-01)
Calculation of
master
encoder speed
standard
Master
PG Fref
(U9-12)
Calculation of
frequency
reference
(mechanical
gear ratio)
Fref After
Gear
(U9-13)
Fref After
Adj
(U9-15)
Calculation of
frequency
reference
(digital
gear ratio)
MFI Alignment
from standard frequency
deviation
SpdProp LowerLim (SA-56)
Slave mode (SA-31)
Frequency reference
Ratio 2 Select
MFDI
Position P Gain (SA-51)
Position I Time (SA-52)
Pos Filter Time (SA-53)
Pos PI Limit (SA-54)
Master pulse count
Slave pulse count
Encoder 2 Pulse Count (PPR) (F1-31)
Encoder 1 Pulse Count (PPR) (F1-01)
Digital gear ratio
Advance/Retard MFDI
Position error MFDI delete
Communications advance/retard count
Calculation of
p
osition deviation
Position Error
(U9-18)
Position error
Reset MFDI
Position error
integration
Reset MFDI
Position
control
output
(U9-21)
Position controller
Position P Out
(U9-19)
Position I Out
(U9-20)
Alignment command
Master Trigger
switch
Slave Trigger
switch
Simple MFI
Alignment
Master
Cts/5ms
(U9-16)
Slave
Cts/5ms
(U9-17)
MFI Alignment
to standard frequency
deviation
Pos Trim Mode (SA-55)