YASKAWA F7 User Manual page 171

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Parameter Parameter Name
No. Digital Operator Display
Speed Search Selection
b3-01
SpdSrch at Start
Speed Search Deactivation
b3-02 Current
SpdSrch Current
Speed Search Deceleration
b3-03 Time
SpdSrch Dec Time
Speed Search Delay Time
b3-05
Search Delay
Speed Search Detection Com-
b3-10 pensation Gain
Srch Detect Comp
Bi-directional Speed Search
b3-14 Selection
Bidir Search Sel
Speed Search Restart
b3-17
Current Level
<3021>
SrchRestart Lvl
b3-18 Speed Search Detection Time
<3021> SrchRestart Time
Number of Speed Search
b3-19
Restarts
<3021>
Num of SrchRestr
Timer Function ON-Delay
b4-01 Time
Delay-ON Timer
Timer Function
b4-02 OFF-Delay Time
Delay-OFF Timer
Denotes that parameter can be changed when the Drive is running.
* For Heavy Duty (HD) Rating (C6-01=0): Factory Setting = 150%
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Table A.1 F7 Parameter List (Continued)
Description
Speed Search
Enables/disables and selects the speed search function at start.
0: Speed Estimation Speed Search Disable - Speed search at start
is disabled (however the estimated speed method is used for
multi-function input, power loss ridethrough, auto fault retry)
1: Speed Estimation Speed Search Enable - The speed estimation
method of speed search is enabled at run command.
2: Current Detection Speed Search Disable - Speed search at start
is disabled (however the current detection method is used for
multi-function input, power loss ride through, auto fault retry)
3: Current Detection Speed Search Enable - The current detection
method of speed search is enabled at run command.
Speed Estimation Method: Motor speed and direction are
measured using residual motor flux.
Current Detection Method: Motor speed is measured using
current feedback levels
(unidirectional only).
Used only when b3-01 = 2 or 3. Sets the speed search operation
current as a percentage of Drive rated current.
Used only when b3-01 = 2 or 3. Sets the deceleration time during
speed search.
Delays the speed search operation after a momentary power loss to
allow time for an external output contactor to re-energize.
Sets the gain for the frequency at which the Drive starts speed
estimation speed search. Use only when b3-01 = 0 or 1.
This parameter enables the Drive to detect the direction of rotation
of the motor during speed search.
0: Disable - Drive uses frequency reference direction.
1: Enable - Drive uses detected direction
Sets the current level to retry a speed search as a percentage, taking
the Drive rated current as 100%.
Sets the time for speed search detection in seconds.
Sets the number of times that a speed search can be restarted.
Delay Timers
Used in conjunction with a multi-function digital input and a multi-
function digital output programmed for the timer function. This sets
the amount of time between when the digital input is closed, and the
digital output is energized.
Used in conjunction with a multi-function digital input and a multi-
function digital output programmed for the timer function. This sets
the amount of time the output stays energized after the digital input
is opened.
For Normal Duty (ND) Rating (C6-01=2): Factory Setting = 120%.
Parameters A - 6
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Control Method
Setting Factory
V/F
Range Setting
V/F
w/PG
0 to 3 2 A
0 to 200 120% A
0.1 to
2.0sec A
10.0
0.0 to
0.2sec A
20.0
1.00 to
1.10 A
1.20
0 to 1 1 A
150%
0 to 200 A No
*
0.00 to
0.10 sec A No
1.00
0 to 10 0 A No
0.0 to
0.0sec A A
3000.0
0.0 to
0.0sec A A
3000.0
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Open
Flux
Loop
Vector
Vector
A A -
- A -
- A -
A A A
- A -
A A -
A No
A No
A No
A A
A A