Fuji Electric FRENIC MEGA G2 Series - 8.7 Control Section

8.7 Control Section
8-9
BLOCK DIAGRAMS FOR CONTROL LOGIC
Chap 8
8.7 Control Section
8.7.1 V/f control
[ 1 ] Common
x
"-1"
"0"
ACC/DEC processor
F03/A01/b01/r01
F04/A02/b02/r02
F23/A21/b12/r12
F25/A63/b63/r63
H70
Overload
prevention
control
F44
F43
+
-
F07
F08
S08
S09
H700.00
H11
H70=0.00
F41
+
-
H69
=2～5
H700.00
H70=0,999
F43=0
H69=0
E16
F40
H56
H63
FWD REV
E17
+
-
H76
H08
H28
F24/A62/b62/r62
F39/A65/b65/r65
E10
E11
H14
H07
H57
H58
H59
H60
E12
E13
E14
E15
E62 E63 E66
E62 E63 E66
=8
7
=7
8
H73
F142,3
H54
H55
+
H69
+
-
H76
+
-
H69
=2,4
=3,5
H15
F14
+
-
H92
H93
F
F14
=2,3
F40,F41,E16,E17
=999
F40,
F41,
E16,
E17
999
H114
J63
J64
J65
J66
J67
=0
=1
Overload
stop
control
Calculated torque
Output current
o60 o76
o60 o76
M75
LE D display
88888
E61
E61
Calculated torque
Droop control
Rotational
direction
limitation
Prevention
of forward
rotation
Prevention of
reverse rotation
Curve acc. / dec.
1st S-curve acc. range
2nd S-curve acc. range
1st S-curve dec. range
2nd S-curve dec. range
Droop control
Select droop control
"DROOP"
Acc. time 1Acc. time
Dec. time
Dec. time 1
Select Acc./Dec. time (4 steps)
"RT1" ,"RT2"
Acc. time 2
Dec. time 2
Acc. time 3
Dec. time 3
Acc. time 4
Dec. time 4
Acc. time (Jogging)
Dec. time (Jogging)
Anti-regenerative control
(Mode selection)
Torque calculated value
DC link bus voltage (Edc)
(Level)
Torque limiter 1 (braking)
Torque limiter 1 (driving)
Torque limiter 2 (driving)
Torque limiter 2 (braking)
Analog torq ue limit va lue A
Analog torq ue limi t va lue B
Calculated torque
Select torque limit 2/1
"TL2/TL1"
Current limiter (Level)
Output current
Current limiter (Mode selection)
Restart mode after momentary
power failure (Frequency fall rate)
Torque limiter
(operating conditions selection)
Restart mode after
momentary power failure
(Continuous running level)
DC link bus voltage (Edc)
Continued operation (P)
Continued operation (I)
Restart mode after momentary
power failure (Mode selection)
Current limit
regulator
Current limit control
Start/stop decision
Decelerate-to-stop/continue to
run at momentary power failure
Edc controller
Start/stop decision
Torque limit
regulator
Torque limiter (braking)
(Frequency rising limiter)
Torque limit control
Limit level
Limit level
Anti-regenerative
control
Anti-regenerative
regulator
Anti-regenerative
regulator
Start/stop decision
Frequency
calculator
Overload prevention
Anti-regenerative
control
(Mode selection)
Torque limiter (braking)
Frequency rising limiter
Ready for
jogging
"JOG"
JOG forward rotation FJOG
JOG reverse rotation RJOG
Max. output frequency
Starting frequency
(Holding time)
Stopping frequency
(Holding time)
Base frequency
Acc./dec. time ratio setting
Acc./dec.
cancel (bypass)
BPS
Deceleration
mode
Deceleration time
for forced stop
Low limiter
(Mode selection)
Overload stop (Detection level)
Overload stop (Timer)
Overload stop (Mode selection)
Overload stop (Operation mode)
Overload stop (detection value)
Fig. 8.7-1 V/f control (common) section block diagram