L3: stall prevention, L4: speed detection – Yaskawa CIMR-LU Drives User Manual

Page 190

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B Parameter Table

190

YASKAWA ELECTRIC TOEP C710616 38F YASKAWA AC Drive L1000A Quick Start Guide

L3: Stall Prevention

L4: Speed Detection

No.

Name

Description

Setting

L3-01

<16> The setting value is dependent on the setting for the carrier frequency reduction (L8-38).

Stall Prevention Selection
during Acceleration

0: Disabled.
1: General purpose. Acceleration is paused as long as the current is above the L3-02
setting.
2: Intelligent. Accelerate in the shortest possible time without exceeding the L3-02
level.

Default: 1
Min: 0
Max: 2

L3-02

Stall Prevention Level
during Acceleration

Used when L3-01 = 1 or 2. 100% is equal to the drive rated current.

Default:

<16>

Min: 0%
Max: 150%

<16>

L3-05

Stall Prevention Selection
during Run

0: Disabled. Drive runs at a set frequency. A heavy load may cause speed loss.
1: Decel time 1. Uses the deceleration ramp set to C1-02 while Stall Prevention is
performed.
2: Decel time 2. Uses the deceleration ramp set to C1-04 while Stall Prevention is
performed.

Default: 1
Min: 0
Max: 2

L3-06

Stall Prevention Level
during Run

Enabled when L3-05 is set to 1 or 2. 100% is equal to the drive rated current.

Default:

<16>

Min: 30%
Max: 150%

<16>

No.

<44> Available in drive software versions PRG: 7017 or later.

Name

Description

Setting

L4-01

Speed Agreement
Detection Level

L4-01 sets the speed detection level for digital output functions H2-

= 3, 4, 5.

L4-02 sets the hysteresis or allowable margin for speed detection.

Default: 0.0%
Min: 0.0%
Max: 100.0%

L4-02

Speed Agreement
Detection Width

Default: 4.0%
Min: 0.0%
Max: 40.0%

L4-03

Speed Agreement
Detection Level (+/-)

L4-03 sets the speed detection level for digital output functions H2-

= 13, 14, 15,

16.
L4-04 sets the hysteresis or allowable margin for speed detection.

Default: 0.0%
Min: –100.0%
Max: 100.0%

L4-04

Speed Agreement
Detection Width (+/-)

Default: 4.0%
Min: 0.0%
Max: 40.0%

L4-05

Speed Reference Loss
Detection Selection

0: Stop. Drive stops when the speed reference is lost.
1: Run. Drive runs at a reduced speed when the speed reference is lost.

Default: 0
Min: 0
Max: 1

L4-06

Speed Reference at
Reference Loss

Sets the percentage of the speed reference that the drive should run with when the
speed reference is lost.

Default: 80%
Min: 0.0%
Max: 100.0%

L4-07

<44>

Speed Agree Detection
Selection

0: No detection during baseblock.
1: Detection always enabled.

Default: 0
Min: 0
Max: 1

L4-13

Door Zone Level

Sets the door zone speed level. The "door zone" multi-function digital output is closed
when the speed falls below this level.

Default: 0.0%
Min: 0.0%
Max: 100.0%

TOEP_C710616_38F_5_0.book 190 ページ 2013年12月4日 水曜日 午前9時56分

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