B.3 Parameter Table
YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual 467
d2: Frequency Upper/Lower Limits
d3: Jump Frequency
d4: Frequency Reference Hold and Up/Down 2 Function
No.(Addr.) Name Description Setting Page
d2-01
(289H)
Frequency Reference Upper Limit
Sets the frequency reference upper limit as a percentage of the maximum output frequency.
Default: 100.0%
Min: 0.0%
Max: 110.0%
200
d2-02
(28AH)
Frequency Reference Lower Limit
Sets the frequency reference lower limit as a percentage of the maximum output frequency.
Default: 0.0%
Min: 0.0%
Max: 110.0%
200
d2-03
(293H)
Master Speed Reference Lower
Limit
Sets the lower limit for frequency references from analog inputs as a percentage of the
maximum output frequency.
Default: 0.0%
Min: 0.0%
Max: 110.0%
200
No.(Addr.) Name Description Setting Page
d3-01
(294H)
<10> Default setting is determined by the control mode (A1-02).
<67> Default setting is 0.0% and setting range is 0.0 to 100.0% in AOLV/PM or CLV/PM.
<68> Default setting is 1.0% and setting range is 0.0 to 40.0% in AOLV/PM or CLV/PM.
Jump Frequency 1
Eliminates problems with resonant vibration of the motor/machine by avoiding continuous
operation in predefined frequency ranges. The drive accelerates and decelerates the motor
through the prohibited frequency ranges.
Setting 0.0 disables this function.
Parameters must not be overlapped.
Default:
<10> <67>
Min: 0.0 Hz
<67>
Max: 400.0 Hz
<67>
200
d3-02
(295H)
Jump Frequency 2 200
d3-03
(296H)
Jump Frequency 3 200
d3-04
(297H)
Jump Frequency Width
Sets the dead-band width around each selected prohibited frequency reference point.
Default:
<10>
Min: 0.0 Hz
Max: 20.0 Hz
200
No.(Addr.) Name Description Setting Page
d4-01
(298H)
Frequency Reference Hold
Function Selection
0: Disabled. Drive starts from zero when the power is switched on.
1: Enabled. At power up, the drive starts the motor at the Hold frequency that was saved.
Default: 0
Min: 0
Max: 1
201
d4-03
(2AAH)
Frequency Reference Bias Step
(Up/Down 2) Sets the bias added to the frequency reference when the Up 2 and Down 2 digital inputs are
enabled (H1- = 75, 76).
Default: 0.00 Hz
Min: 0.00 Hz
Max: 99.99 Hz
203
d4-04
(2ABH)
Frequency Reference Bias Accel/
Decel (Up/Down 2)
0: Use selected accel/decel time.
1: Use accel/decel time 4 (C1-07 and C1-08).
Default: 0
Min: 0
Max: 1
204
d4-05
(2ACH)
Frequency Reference Bias
Operation Mode Selection (Up/
Down 2)
0: Bias value is held if no input Up 2 or Down 2 is active.
1: When the Up 2 reference and Down 2 reference are both on or both off, the applied bias
becomes 0. The specified accel/decel times are used for acceleration or deceleration.
Default: 0
Min: 0
Max: 1
204
d4-06
(2ADH)
Frequency Reference Bias (Up/
Down 2)
The Up/Down 2 bias value is saved in d4-06 when the frequency reference is not input by the
digital operator. Set as a percentage of the maximum output frequency.
Default: 0.0%
Min: -99.9%
Max: 100.0%
204
d4-07
(2AEH)
Analog Frequency Reference
Fluctuation Limit (Up/Down 2)
Limits how much the frequency reference is allowed to change while an input terminal set for
Up 2 or Down 2 is enabled. If the frequency reference changes for more than the set value, then
the bias value is held and the drive accelerates or decelerates to the frequency reference. Set as a
percentage of the maximum output frequency.
Default: 1.0%
Min: 0.1%
Max: 100.0%
205
d4-08
(2AFH)
Frequency Reference Bias Upper
Limit (Up/Down 2)
Sets the upper limit for the bias and the value that can be saved in d4-06. Set as a percentage of
the maximum output frequency.
Default: 100.0%
(S1012 and before:
0.00%)
Min: 0.0%
Max: 100.0%
205
d4-09
(2B0H)
Frequency Reference Bias Lower
Limit (Up/Down 2)
Sets the lower limit for the bias and the value that can be saved in d4-06. Set as a percentage of
the maximum output frequency.
Default: 0.0%
M
in: -99.9%
Max: 0.0%
205
d4-10
(2B6H)
Up/Down Frequency Reference
Limit Selection
0: The lower limit is determined by d2-02 or an analog input.
1: The lower limit is determined by d2-02.
Default: 0
Min: 0
Max: 1
205
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