Delta Electronics AC Drive VFD-F Series, User Manual

Page: 103 / 161

VFD-F Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
5-70
H>(11-06)
H
YES
NO
NO
NO
YES
NO
YES
YES
H<(11-08)
T1=T1+1
T2=T2+1
T1=0
T2=0
N OFF
H 0
＝
＝
T2>(11-05)
T1>(11-07)
Fixed amount
circulation
control process
PID control
calculates H
Are there any
motors that
doesn't run?
Are there any
motors that power
supply is from
commercial
power?
Sleep
Process
Fixed amount
circulation switch
process
T1 0
＝
Away from commercial
power in order
NO
YES
NO
YES
T3=T3+1
T3=(11-04)
PID
calculates
F
N+1 ON
T3 0
＝
T3=T3+1
T3=(11-04)
N+2 ON
T3 0
＝
Fixed amount
circulation
switch process
PID
calculates
F
Fixed amount
circulation
control process
NO
YES
Sleep
Process
PID
calculates
F
F>(11-09)
Fixed amount
circulation
control process