YASKAWA GA800 Series Maintenance & Troubleshooting Download

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Parameter

List

3.5 b: Application

YASKAWA

TOEPYAIGA8001B GA800 Drive Maintenance & Troubleshooting

159

No.

(Hex.)

Name

Description

Default

(Range)

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 : Disable

1 : Enabled

Note:

•

The initial value of

b3-14

is different for different

A1-02 [Control Method Selection]

settings

when you set these parameters:

–

A1-02 = 0, 2, 8 [V/f, OLV, EZOLV]

–

E9-01 = 0 [Motor Type Selection = Induction (IM)]

–

b3-24 = 1 [Speed Search Method Selection = Speed Estimation]

•

The initial value of

b3-14

is different for different

A1-02 [Control Method Selection]

settings

when you set these parameters:

–

A1-02 = 1, 4, 8 [CL-V/f, AOLV, EZOLV]

–

E9-01 = 1, 2 [Permanent Magnet (PM), Synchronous Reluctance (SynRM)]

•

The initial value of

b3-14

is 0 when you set these parameters:

–

A1-02 = 0, 2, 8

–

E9-01 = 0

–

b3-24 = 2 [Current Detection 2]

•

When you set

A1-02

b3-24

, and

E9-01

, set

b3-14

Determined by A1-02, b3-

24, and E9-01

(0, 1)

b3-17

(01F0)

Expert

Speed Est Retry Current
Level

Sets the current level for the search retry function in Speed Estimation Speed Search as a percentage
where drive rated current is a setting value of 100%.

150%

(0 - 200%)

b3-18

(01F1)

Expert

Speed Est Retry Detection
Time

Sets the length of time that the drive will wait to retry Speed Estimation Speed Search when too
much current flow stopped the Speed Search.

0.10 s

(0.00 - 1.00 s)

b3-19

(01F2)

Speed Search Restart
Attempts

Sets the number of times to restart Speed Search if Speed Search does not complete.

3 times

(0 - 10 times)

b3-24

(01C0)

Speed Search Method
Selection

Sets the Speed Search method when you start the motor or when you restore power after a
momentary power loss.

Note:

•

When

A1-02 = 8 [Control Method Selection = EZOLV]

, the default setting changes when the

setting for

E9-01 [Motor Type Selection]

and the drive model change.

–

E9-01 = 0 [Induction (IM)]

–

2004 to 2313, 4002 to 4302, T103 to T302: 1

–

2360, 2415, 4371 to 4720, T371 to T720: 2

–

E9-01 = 1, 2 [Permanent Magnet (PM), Synchronous Reluctance (SynRM)]: 1

•

When you set

A1-02 = 8

and

E9-01 = 1 or 2

, also set

b3-24 = 1

. If

b3-24 = 2

, the drive will

detect

oPE08 [Parameter Selection Error]

•

When you set

b3-24

, it will trigger the drive to initialize

b3-14 [Bi-directional Speed Search]

After you set

b3-24

, set

b3-14

1 : Speed Estimation

2 : Current Detection 2

(1, 2)

b3-25

(01C8)

Expert

Speed Search Wait Time

Sets the length of time the drive will wait to start the Speed Search Retry function.

0.5 s

(0.0 - 30.0 s)

b3-26

(01C7)

Expert

Direction Determination
Level

Sets the level to find the motor rotation direction. Increase the value if the drive cannot find the
direction.

1000

(40 to 60000)

b3-27

(01C9)

Expert

Speed Search RUN/BB
Priority

Sets the conditions necessary to start Speed Search.

0 : SS Only if RUN Applied Before BB

1 : SS Regardless of RUN/BB Sequence

(0, 1)

b3-29

(077C)

Expert

Speed Search Back-EMF
Threshold

Sets the induced voltage for motors that use Speed Search. The drive will start Speed Search when
the motor induced voltage level is the same as the setting value. Usually it is not necessary to change
this setting.

10%

(0 - 10%)

b3-31

(0BC0)

Expert

Spd Search Current
Reference Lvl

Sets the current level that decreases the output current during Current Detection Speed Search.

1.50

(1.50 - 3.50)

b3-32

(0BC1)

Expert