YASKAWA T1000A - Page 400

B.3 Parameter Table
400 YASKAWA ELECTRIC SIEP C710616 30B YASKAWA AC Drive T1000A Technical Manual
n L4: Speed Detection
L3-05
(493H)
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 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
221
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:
<4>
Min: 30%
Max: 150%
<4>
221
L3-11
(4C7H)
Overvoltage Suppression Function
Selection
Enables or disables the ov suppression function, which allows the drive to change the output
frequency as the load changes to prevent an ov fault.
0: Disabled
1: Enabled
Default: 0
Min: 0
Max: 1
222
L3-17
(462H)
Target DC Bus Voltage for
Overvoltage Suppression and Stall
Prevention
Sets the desired value for the DC bus voltage during overvoltage suppression and Stall
Prevention during deceleration.
Default: 375 Vdc
<15> <41>
Min: 150 Vdc <15>
Max: 400 Vdc <15>
222
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
219
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
221
L3-26
(455H)
Additional DC Bus Capacitors
When DC bus capacitors have been added externally, be sure to add those values to the internal
capacitor table for proper DC bus calculations.
Default: 0 μF
Min: 0 μF
Max: 65000 μF
222
L3-27
(456H)
Stall Prevention Detection Time
Sets the time the current must exceed the Stall Prevention level to activate Stall Prevention.
Default: 50 ms
Min: 0 ms
Max: 5000 ms
222
<4> The upper limit of the setting range is determined by the values set to C6-01 and L8-38.
<15> Values shown here are for 200 V class drives. Double the value when using a 400 V class drive.
<26> Setting range is dependent on the control mode (A1-02). When using OLV/PM, the setting range is 0 to 2 seconds. When using AOLV/PM or
CLV/PM, the setting range is 0 to 1 second.
<41> Changing the input voltage setting in E1-01 will reset this parameter back its default value.
No. (Addr.) Name Description Setting Page
L4-01
(499H)
Speed Agreement Detection Level
L4-01 sets the frequency detection level for digital output functions H2- = 2, 3, 4, 5.
L4-02 sets the hysteresis or allowable margin for speed detection.
Default: 0.0 Hz
Min: 0.0 Hz
Max: 400.0 Hz
<12>
223
L4-02
(49AH)
Speed Agreement Detection Width
Default:
<34>
Min: 0.0 Hz
Max: 20.0 Hz
<13>
223
L4-03
(49BH)
Speed Agreement Detection Level
(+/-)
L4-03 sets the frequency 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 Hz
Min: –400.0 Hz
Max: 400.0 Hz
<14>
223
L4-04
(49CH)
Speed Agreement Detection Width
(+/-)
Default:
<34>
Min: 0.0 Hz
Max: 20.0 Hz
<13>
223
L4-05
(49DH)
Frequency Reference Loss
Detection Selection
0: Stop. Drive stops when the frequency reference is lost.
1: Run. Drive runs at a reduced speed when the frequency reference is lost.
Default: 0
Min: 0
Max: 1
223
L4-06
(4C2H)
Frequency Reference at Reference
Loss
Sets the percentage of the frequency reference that the drive should run with when the
frequency reference is lost.
Default: 80.0%
Min: 0.0%
Max: 100.0%
224
L4-07
(470H)
Speed Agreement Detection
Selection
0: During run only (no detection while drive output is shut off)
1: Detection always enabled.
Default: 0
Min: 0
Max: 1
224
No. (Addr.) Name Description Setting Page
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
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
All Modes
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
All Modes
All Modes
All Modes
All Modes
All Modes