178
YASKAWA
TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation & Startup
◆
b2: DC Injection Braking
No.
(Hex.)
Name
Description
Default
(Range)
b2-01
(0189)
DC Injection/Zero
SpeedThreshold
Sets the frequency to start DC Injection Braking.
Note:
This parameter is available when
b1-03 = 0 [Stopping Method Selection = Ramp to Stop]
.
0.5 Hz
(0.0 - 10.0 Hz)
b2-02
(018A)
DC Injection Braking
Current
Sets the DC Injection Braking current as a percentage of the drive rated current.
50%
(0 - 100%)
b2-03
(018B)
DC Inject Braking Time at
Start
Sets the DC Injection Braking Time at stop.
0.00 s
(0.00 - 10.00 s)
b2-04
(018C)
DC Inject Braking Time at
Stop
Sets the DC Injection Braking Time at stop.
0.00 s
(0.00 - 10.00 s)
b2-09
(01E1)
Pre-heat Current 2
Sets the percentage of motor rated output current used for the motor pre-heat function.
5%
(0 - 100%)
◆
b3: Speed Search
No.
(Hex.)
Name
Description
Default
(Range)
b3-01
(0191)
Speed Search at Start
Selection
Sets the Speed Search at Start function where the drive will perform Speed Search with each Run
command.
0 : Disabled
1 : Enabled
0
(0, 1)
b3-02
(0192)
SpeedSearch Deactivation
Current
Sets the current level that stops Speed Search as a percentage of the drive rated output current.
Usually it is not necessary to change this setting.
120%
(0 - 200%)
b3-03
(0193)
Speed Search Deceleration
Time
Sets the deceleration time during Speed Search operation. Set the length of time to decelerate from
the maximum output frequency to the minimum output frequency.
2.0 s
(0.1 - 10.0 s)
b3-04
(0194)
V/f Gain during Speed
Search
Sets the ratio used to reduce the V/f during searches to reduce the output current during speed
searches.
Determined by o2-04
(10 - 100)
b3-05
(0195)
Speed Search Delay Time
Sets the Speed Search delay time to activate a magnetic contactor installed between the drive and
motor.
0.2 s
(0.0 - 100.0 s)
b3-06
(0196)
Expert
Speed Estimation Current
Level 1
Sets the level of current that flows to the motor during Speed Estimation Speed Search as a
coefficient of the motor rated current. Usually it is not necessary to change this setting.
Determined by o2-04
(0.0 - 2.0)
b3-07
(0197)
Expert
Speed Estimation Current
Level 2
Sets the level of current that flows to the motor during Speed Estimation Speed Search as a
coefficient of
E2-03 [Motor No-Load Current]
. Usually it is not necessary to change this setting.
1.0
(0.0 - 3.0)
b3-08
(0198)
Speed Estimation ACR P
Gain
Sets the proportional gain for the automatic current regulator during Speed Estimation Speed Search.
Also adjusts speed search responsiveness. Usually it is not necessary to change this setting.
Determined by o2-04
(0.00 - 6.00)
b3-09
(0199)
Speed Estimation ACR I
Time
Sets the integral time for the automatic current regulator during Speed Estimation Speed Search. Also
adjusts speed search responsiveness. Usually it is not necessary to change this setting.
2.0 ms
(0.0 - 1000.0 ms)
b3-10
(019A)
Expert
Speed Estimation Detection
Gain
Sets the gain to correct estimated frequencies from Speed Estimation Speed Search.
1.05
(1.00 - 1.20)
b3-11
(019B)
Expert
Spd Est Method Switch-over
Level
Uses the quantity of voltage in the motor to automatically switch the search method within the type
of speed measurement.
Note:
•
208/240 V at 100% = 200 V
•
480 V at 100% = 400 V
5.0%
(0.5 - 100.0%)
b3-12
(019C)
Expert
Speed Search Current
Deadband
Sets the minimum current detection level during Speed Search. If the drive does not do Speed
Estimation, increase this setting in 0.1-unit increments.
determined by o2-04
(2.0 - 10.0)
b3-14
(019E)
Bi-directional Speed Search
Sets the direction of Speed Search to the direction of the frequency reference or in the motor rotation
direction as detected by the drive.
0 : Disabled
1 : Enabled
0
(0, 1)