EasyManua.ls Logo

YASKAWA GA500 - B2: DC Injection Braking and Short Circuit Braking; B3: Speed Search

YASKAWA GA500
292 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Parameter List
3
3.5 b: Application
YASKAWA TOEPYAIGA5001A GA500 DRIVE MAINTENANCE & TROUBLESHOOTING 99
No.
(Hex.)
Name Description
Default
(Setting Range)
b1-17
(01C6)
Run Command at Power Up Sets drive response when the CPU changes from de-energized to energized and there is an active Run
command. Set this parameter in applications where energizing or de-energizing the drive enables the
Run command. When the CPU stays energized during loss of power, L2-01 [Power Loss Ride
Through Select] sets operation.
0 : Disregard Existing RUN Command
1 : Accept Existing RUN Command
0
(0, 1)
b1-35
(1117)
Expert
Digital Input Deadband
Time
Sets the deadband time for MFDIs. 0.0 ms
(0.0 to 100.0 ms)
b2: DC Injection Braking and Short Circuit Braking
No.
(Hex.)
Name Description
Default
(Range)
b2-01
(0189)
DC Injection/Zero
SpeedThreshold
Sets the frequency to start DC Injection Braking or Short Circuit Braking near the end of a stop ramp.
Note:
This parameter is available when b1-03 = 0 [Stopping Method Selection = Ramp to Stop].
Determined by A1-02
(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 - 75%)
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. Determined by A1-02
(0.00 - 10.00 s)
b2-08
(0190)
Magnetic Flux
Compensation Value
Sets how much current the drive injects when DC Injection Braking at Start starts (Initial Excitation)
as a percentage of E2-03 [Motor No-Load Current].
0%
(0 - 1000%)
b2-12
(01BA)
Short Circuit Brake Time @
Start
Sets the Short Circuit Braking time at start. 0.00 s
(0.00 - 25.50 s)
b2-13
(01BB)
Short Circuit Brake Time @
Stop
Sets the Short Circuit Braking time at stop. A1-02 = 8: 0.00 s
Other than A1-02 = 8: 0.50 s
(0.00 - 25.50 s)
b2-18
(0177)
Short Circuit Braking
Current
Sets the Short Circuit Braking Current as a percentage of the motor rated current.
Note:
Parameter A1-02 [Control Method Selection] selects which parameter is the motor rated current.
A1-02 = 5, 6 [OLV/PM, AOLV/PM]: E5-03 [PM Motor Rated Current (FLA)]
A1-02 = 8 [EZOLV]: E9-06 [Motor Rated Current (FLA)]
100.0%
(0.0 - 200.0%)
b3: Speed Search
No.
(Hex.)
Name Description
Default
(Range)
b3-01
(0191)
Speed Search at Start
Selection
Sets the Speed Search at Start function so the drive will do Speed Search with each Run command.
0 : Disable
1 : Enabled
Determined by A1-02
(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.
Determined by A1-02
(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.
Note:
When A1-02 = 8 [Control Method Selection = EZOLV], this parameter takes effect only in
Expert Mode.
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)

Table of Contents

Other manuals for YASKAWA GA500

Related product manuals