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YASKAWA A1000 HHP User Manual

YASKAWA A1000 HHP
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b2-03
Zero Speed Time at Start
IM: Initial Excitation
PM: Zero Spd. Contr.
Run
Command
Frequency
reference
Motor
Speed
OFF ON
Zero Speed
Control
E1-09 Min.
Frequency
b2-04
Zero Speed Time at Stop
Motor
Coasts
b2-01 Zero
Speed Level
Figure 1.9 Coast to Stop
Setting 2: Run at the Minimum Frequency
When a Run command is active and the frequency reference is smaller than the parameter E1-09 setting, the drive runs the
motor at the speed set in E1-09. When the Run command is removed, the drive decelerates the motor. As soon as the motor
speed reaches the zero speed level set in b2-01, Zero Speed Control is activated for the time set in b2-04.
Figure 1.10 Run at the Minimum Frequency
Setting 3: Zero Speed Control
The drive applies Zero Speed Control whenever the frequency reference setting is below the value of parameter E1-09.
Remove the Run command when the drive is operating at or above the frequency set in E1-09 to activate Zero Speed Control
for the time set in b2-04, regardless of whether Zero Speed Control was already active.
Zero
Speed
Control
Run
Command
Frequency
reference
Motor
Speed
OFF ON
Zero Speed
Control
E1-09 Min.
Frequency
b2-04
E1-09
b2-03
IM: Initial Excitation
PM: Zero Spd. Contr.
Zero Speed Time at Start
Zero Speed Time at Stop
b2-01 Zero
Speed Level
Figure 1.11 Zero Speed Control
n
b1-06: Digital Input Reading
Defines how the digital inputs are read. The inputs are acted upon every 1 ms or 2 ms depending upon the setting.
No. Name Setting Range Default
b1-06 Digital Input Reading 0, 1 1
Setting 0: Read once (1 ms scan)
The state of a digital input is read once. If the state has changed, the input command is immediately processed. With this setting
the drive responds more quickly to digital inputs, but a noisy signal could cause erroneous operation.
1.2 b: Application
YASKAWA ELECTRIC SIEP YEAHHP 01B YASKAWA AC Drive – A1000 HHP Programming Manual
23
1
Parameter Details

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YASKAWA A1000 HHP Specifications

General IconGeneral
SeriesA1000
Overload Capacity150% for 60 seconds
Horsepower0.5-1000 HP
Control MethodV/f Control
Protection FunctionsOvercurrent, Overvoltage, Undervoltage, Overheating, Ground Fault
CommunicationModbus, DeviceNet, Profibus, Ethernet/IP
Input Voltage200-240 V, 380-480 V
Output Voltage0-Input Voltage
Frequency400 Hz
Power Range0.4-630 kW
Operating Temperature-10°C to 50°C
Storage Temperature-20°C to 60°C
Humidity5% to 95% RH (non-condensing)
Enclosure RatingIP20, IP00
Voltage200-480 V

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