Dwell Functions: B6; Droop Control: B7 - YASKAWA VARISPEED-616G5 Instruction Manual

Name
Constant Constant
Number Number
Display
PID feedback com-
mand loss detection
level
b5-13
Fb los DET Lvl
PID feedback com-
mand loss detection
b5-14
time
Fb los Det Time

Dwell Functions: b6

J
Name
Con- Con
stant
Num-
Display
ber
Dwell frequency
at start
b6 01 b6-01 Run command Run command
Dwell Ref @
Start
Output frequency Output frequency
Dwell time at start
b6-02
Dwell Time @
Start
Dwell frequency
at stop
b6 03 b6-03
Dwell Ref @ Stop
:The dwell function is used to hold the :The dwell function is used to hold the
output frequency temporarily when
Dwell time at stop
driving a motor with a heavy load driving a motor with a heavy load.
b6-04
Dwell Time @
Stop

Droop Control: b7

J
Name
C Constant
Number
Display
Droop control gain
b7 01 b7-01
Droop Gain
Droop control delay
time
b7 02 b7-02
Droop Delay Time
Description Description
Sets the PID feedback loss detec-
tion level in % units, with the
maximum output frequency at
100%. 00%.
Sets the PID feedback loss detec-
tion level in s units.
Description
OFF
ON
Time Time
b6-01 b6-03
b6-02 b6 02 b6 04 b6-04
Description
Sets the slip as a percentage of
maximum frequency when the
maximum output frequency is
specified and the rated torque oc- specified and the rated torque oc-
curs.
:Droop-control is not performed
when the setting is 0.0.
Droop control responsiveness
constant
:When hunting or oscillation oc- h ti ill ti
:Wh
curs, increase the value.
8 - 9
8.2 Programming Mode Constants
Change Change
Setting Setting Factory Factory during during
Opera- Opera-
Range Range Setting Setting
V/f
tion tion
0 to 100 0 A
×
0.0 to
1.0 A
×
25.5 25.5
Change Change
Setting S Factory during
Opera-
Range Setting
V/f
tion
0.0 to 0.0 to
0 0 0.0 A A
× ×
400.0
0 0 to 0.0 to
0.0 A
×
10.0
0.0 to
0.0 0.0 A A
× ×
400 0 400.0
0 0 to 0.0 to
A
0.0
×
10.0
Change Change
S Setting Factory during
Opera-
Range Setting
V/f
tion
0.0 to 0.0 to
0.0 0 0
× ×
f f
100.0
0.03 to
0.05 0.05
× ×
f f
2 00 2.00
Control Methods
V/f Page Page
Open
Flux
with
Loop
Vector
Vector
PG
A A A 7 - 50
A A A 7 - 50
Control Methods
V/f
Page
Open
Flux
with
Loop
Vector
Vector
PG
A A A A A A 7 - 52 7 52
A A A 7 - 52
A A A A A A 7 - 52 7 52
A A A
7 - 52
Control Methods
V/f Page
Open
Flux
with
Loop
Vector
Vector
PG
A A 7 18 7 - 18
× × × ×
A A 7 18 7 - 18
× × × ×
8