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B.3 Parameter Table
YASKAWA ELECTRIC
SIEP C710636 02B YASKAWA U1000 Technical Manual
509
t
B
■
L3: Stall Prevention
L2-07
(48BH)
Momentary Power Loss Voltage
Recovery Acceleration Time
Sets the time to accelerate to the frequency reference when momentary power loss is over. If set
to 0.0, the active acceleration time (C1-01, C1-03, C1-05, or C1-07) is used.
Default: 0.00 s
Min: 0.00 s
Max: 6000.0 s
L2-13
(4F7H)
Power Supply Frequency Fault
Detection Gain
Set the gain to use to detect power supply frequency fault (Fdv).
Default: 1.0
Min: 0.1
Max: 2.0
L2-21
(4F7H)
Low Input Voltage Detection Level
Set the level at which to detect a low input voltage.
Default: Determined by
o2-04, C6-01
Min: 100 V
Max: 200 V
L2-27
(4F7H)
Power Supply Frequency Fault
Detection Width
There is normally no need to change this parameter from the default value. Set the frequency
width to use to detect power supply frequency fault (Fdv).
Default: 6.0 Hz
Min: 3.0 Hz
Max: 20.0 Hz
<9> Default setting is determined by the drive model (o2-04) and duty selection (C6-01).
<12> Setting range value is dependent on the units selected for the accel/decel time (C1-10). When C1-10 = 0 (units of 0.01 s), the setting range
becomes 0.00 to 600.00 s.
<18> Values shown here are for 200 V class drives. Double the value when using a 400 V class drive.
No. (Addr.)
Name
Description
Setting
Page
L3-01
(48FH)
Stall Prevention Selection during
Acceleration
0: Disabled
1: Enabled
General purpose. Acceleration is paused when the current is above the L3-02 setting.
3: Enabled (Current Limit)
The acceleration rate is automatically adjusted while limiting the output current at the setting
value of the stall prevention level (L3-02).
Note:
Setting 3 is not available in OLV/PM.
Default: 1
Min: 0
Max: 3
L3-02
(490H)
Stall Prevention Level during
Acceleration
Used when L3-01 = 1, 3. 100% is equal to the drive rated current.
Default:
Min: 0%
Max: 150%
L3-03
(491H)
Stall Prevention Limit during
Acceleration/Deceleration
Sets Stall Prevention lower limit during acceleration/Deceleration when operating in the
constant power range. Set as a percentage of the drive’s rated current.
Default: 50%
Min: 0%
Max: 100%
L3-04
(492H)
Stall Prevention Selection during
Deceleration
0: Disabled
Deceleration at the active deceleration rate. An ov fault may occur.
1: General-purpose Stall Prevention
Deceleration is paused when the output current exceeds the Stall Prevention level.
4: Overexcitation Deceleration
Decelerates while increasing the motor flux.
6: Enable (Current Limit)
The deceleration rate is automatically adjusted while limiting the regeneration current at the
setting value of the stall prevention level (L3-14).
Default: 1
Min: 0
Max: 6
L3-05
(493H)
Stall Prevention Selection during
Run
0: Disabled. Drive runs at a set frequency. A heavy load may cause stalling.
1: Decel time 1. Uses the deceleration time set to C1-02 while Stall Prevention is performed.
2: Decel time 2. Uses the deceleration time set to C1-04 while Stall Prevention is performed.
Default: 1
Min: 0
Max: 2
L3-06
(494H)
Stall Prevention Level during Run
Enabled when L3-05 is set to 1 or 2. 100% is equal to the drive rated current.
Default:
Min: 30%
Max: 150%
L3-14
(4E9H)
Stall Prevention Level during
Deceleration
Used when L3-04 = 1 or 6. 100% is equal to the drive rated current.
Default:
Min: 100%
Max: 200%
L3-22
(4F9H)
Deceleration Time at Stall
Prevention during Acceleration
Sets the deceleration time used for Stall Prevention during acceleration in OLV/PM.
Default: 0.0 s
Min: 0.0 s
Max: 6000.0 s
L3-23
(4FDH)
Automatic Reduction Selection for
Stall Prevention during Run
0: Sets the Stall Prevention level set in L3-06 that is used throughout the entire frequency range.
1: Automatic Stall Prevention level reduction in the constant output range. The lower limit
value is 40% of L3-06.
Default: 0
Min: 0
Max: 1
No. (Addr.)
Name
Description
Setting
Page
All Modes
All Modes
All Modes
All Modes
OLV/PM
AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f
OLV
OLV/PM
AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f
OLV
OLV/PM
AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f
OLV
All Modes
OLV/PM
AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f
OLV
OLV/PM
AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f
OLV
OLV/PM
AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f
OLV
OLV/PM
AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f
OLV
OLV/PM
AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f
OLV
SIEP_C710636_02B_1_0.book 509 ページ 2015年11月25日 水曜日 午後4時56分