YASKAWA U1000 - D2: Frequency Upper;Lower Limits; D3: Jump Frequency; D4: Frequency Reference Hold and Up;Down 2 Function

u
d2: Frequency Upper/Lower Limits
No.
(Addr.
Hex.)
Name LCD Display Description Setting Page
d2-01
(0289)
Frequency Reference
Upper Limit
Ref Upper Limit
All Modes
Sets the frequency reference upper limit as a percentage of the
maximum output frequency.
Default: 100.0%
Min.: 0.0
Max.: 110.0
238
d2-02
(028A)
Frequency Reference
Lower Limit
Ref Lower Limit
All Modes
Sets the frequency reference lower limit as a percentage of the
maximum output frequency.
Default: 0.0%
Min.: 0.0
Max.: 110.0
238
d2-03
(0293)
Master Speed Reference
Lower Limit
Ref1 Lower Limit
All Modes
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
239
u
d3: Jump Frequency
No.
(Addr.
Hex)
Name LCD Display Description Values Page
d3-01
(0294)
Jump Frequency 1 Jump Freq 1
All Modes
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 be set so that d3-01 ≥ d3-02 ≥ d3-03.
Default: 0.0 Hz
<1> <2>
Min.: 0.0
<2>
Max.: 400.0
<2>
239
d3-02
(0295)
Jump Frequency 2 Jump Freq 2
All Modes
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 be set so that d3-01 ≥ d3-02 ≥ d3-03.
Default: 0.0 Hz
<1> <2>
Min.: 0.0
<2>
Max.: 400.0
<2>
239
d3-03
(0296)
Jump Frequency 3 Jump Freq 3
All Modes
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 be set so that d3-01 ≥ d3-02 ≥ d3-03.
Default: 0.0 Hz
<1> <2>
Min.: 0.0
<2>
Max.: 400.0
<2>
239
d3-04
(0297)
Jump Frequency Width Jump Bandwidth
All Modes
Sets the dead-band width around each selected prohibited
frequency reference point.
Default: 1.0 Hz
<1>
Min.: 0.0
Max.: 20.0
239
<1> Default setting is determined by parameter A1-02, Control Method Selection.
<2> Default setting is 0.0% and setting range is 0.0 to 100.0% in AOLV/PM and CLV/PM.
u
d4: Frequency Reference Hold and Up/Down 2 Function
No.
(Addr.
Hex)
Name LCD Display Description Values Page
d4-01
(0298)
Frequency Reference
Hold Function Selection
Fref Hold Sel
0: Disabled
1: Enabled
All Modes
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
Range: 0, 1
240
d4-03
(02AA)
Frequency Reference
Bias Step (Up/Down 2)
Up/Dn 2 Step Lvl
All Modes
Sets the bias added to the frequency reference when the Up 2
and Down 2 digital inputs are enabled (H1-oo = 75, 76).
Default: 0.00 Hz
Min.: 0.00
Max.: 99.99
242
B.6 d: Reference Settings
512
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual