Specifications
YASKAWA Inverter Drive A1000 – Crane Software Application Manual
19
Access Level <1>
No. Parameter Name
Setting
Range
Units Default Description
During
Run
V/f
V/f
with PG
OLV CLV
MEMOBUS
Address
P
ower
Loss
L2-05
DC Bus Undervoltage Detection
Level
150 to
210
<7>
1 Vdc
190
<7>
DC Bus voltage level at which an undervoltage
fault is triggered.
A A A A 489H
L3-01
Stall Prevention Selection during
Acceleration
0 to 2 1
0: Disabled
1: General Purpose
2: Intelligent
A A A - 48FH
L3-02
Stall Prevention Level during
Acceleration
0 to
200
1% 150
Stall prevention level as a % of drive rated
current
A A A - 490H
L3-03
Stall Prevention Limit during
Acceleration
0 to
100
1% 50
Stall prevention lower limit during acceleration
as a % of drive rated current.
A A A - 491H
L3-04
Stall Prevention Selection during
Deceleration
0 to 6
<10>
0
0: Disabled
1: General Purpose
2: Intelligent
3: Stall Prevention Function with braking
resistor
4: Overexcitation Deceleration 1
5: Overxcitation Deceleration 2
Q,A Q,A Q,A Q,A 492H
L3-05
Stall Prevention Selection
during Run
0 to 2 1
0: Disabled
1: Enabled (decel time C1-02)
2: Enabled (decel time C1-04)
A A - - 493H
L3-06
Stall Prevention Level during
Run
30 to
200
1% 160
Stall prevention level as a % of drive rated
current
A A - - 494H
L3-11
Overvoltage Suppression
Function Selection
0,1 0
0: Disabled
1: Enabled
A A A A 4C7H
L3-17
DC Bus Voltage for Overvoltage
Suppression and Stall Prevention
150 to
400
<7>
1 Vdc
375
<7>
DC Bus voltage level at which overvoltage
suppression and stall prevention are triggered
during deceleration.
A A A A 462H
L3-20 DC Bus Voltage Adjustment Gain
0.00 to
5.00
0.30
Proportional gain for KEB, Overvoltage
Suppression and Stall Prevention
A A A A 465H
L3-21 Accel/Decel Rate Calculation Gain
0.00 to
200.00
1.00
Proportional gain used to calculate decel rate
when KEB, Overvoltage Suppression and Stall
Prevention are triggered during deceleration
A A A A 466H
L3-23
Automatic Reduction Selection for
Stall Prevention during Run
0,1 0
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.
A A - - 4FDH
L3-24
Motor Acceleration Time for
Inertia Calculations
0.001
to
10.000
0.001
s
0.178
Time needed to accelerate the uncoupled
motor at rated torque from zero de maximum
frequency
A A A A 46EH
L3-25 Load Inertia Ratio
1.0 to
1000.0
1.0 Ratio between motor and machine inertia A A A A 46FH
L3-26 Additional DC Bus Capacitors
0 to
65000
1μf 0
Equivalent capacitance value when additional
capacitors have been added to the DC Bus.
A A A A 455H
Stall Prevention
L3-27 Stall Prevention Detection Time
0 to
5000
1 ms 50
Time that current must exceed the stall
prevention level before stall prevention is
triggered.
A A - - 456H
L4-01 Speed Agreement Detection Level
0.0 to
400.0
0.1 Hz 0.0
Frequency detection level for digital output
functions H2-02 through H2-05
A A A A 499H
L4-02 Speed Agreement Detection Width
0.0 to
20.0
0.1 Hz 2.0
Hysteresis or margin for speed agreement in
L4-01
A A A A 49AH
L4-03
Speed Agreement Detection
Level (+/-)
-400.0
to
400.0
0.1 Hz 0.0
Frequency detection level for digital output
functions H2-13 through H2-16
A A A A 49BH
L4-04
Speeed Agreement Detection
Width (+/-)
0.0 to
20.0
0.1 Hz 2.0
Hysteresis or margin for speed agreement in
L4-04
A A A A 49CH
L4-05
Frequency Reference Loss
Detection Selection
0,1 0
0: Enabled
1: Disabled
A A A A 49DH
L4-06
Frequency Reference at
Reference Loss
0.0 to
100.0
0.1% 80.0
Percentage of last frequency reference that
the drive should run at when the reference is
lost
A A A A 4C2H
Speed Detection
L4-07
Speed Agreement Detection
Selection
0,1 0
0: Disabled during baseblock
1: Always enabled
A A A A 470H
<1> Access Levels A: Advanced Programming Menu Q: Quick Setting Menu -: N/A in this Control Mode
<7> Values shown are for 200 VAC class drives. For 400 VAC class drives these values are doubled.
<10> Set to 3 (Stall Prevention w/ Braking Resistor) when in Closed Loop Vector (CLV) control