D: References; D: References; D1: Frequency Reference; D2: Frequency Upper/Lower Limits - YASKAWA Z1000 Technical Manual

Ac drive bypass for hvac fans and pumps 208 v: 1/2 to 100 hp 480 v: 3/4 to 250 hp
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B.5 d: References
Reference parameters set the various frequency reference values during operation.
u

d1: Frequency Reference

No.
(Addr.
Name
Hex)
d1-01
Frequency Reference 1
(280)
Reference 1
d1-02
Frequency Reference 2
(281)
Reference 2
d1-03
Frequency Reference 3
(282)
Reference 3
d1-04
Frequency Reference 4
(283)
Reference 4
<1> Range upper limit is determined by parameter E1-04, Maximum Output Frequency.
u

d2: Frequency Upper/Lower Limits

No.
(Addr.
Name
Hex.)
Frequency Reference Upper
d2-01
Limit
(289)
Ref Upper Limit
Frequency Reference Lower
d2-02
Limit
(28A)
Ref Lower Limit
Master Speed Reference
d2-03
Lower Limit
(293)
Ref1 Lower Limit
u

d3: Jump Frequency

No.
(Addr.
Name
Hex)
d3-01
Jump Frequency 1
(294)
d3-02
Jump Frequency 2
(295)
d3-03
Jump Frequency 3
(296)
YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual
Sets the frequency reference for the drive. Setting units are determined by
parameter o1-03.
Sets the frequency reference for the drive. Setting units are determined by
parameter o1-03.
Sets the frequency reference for the drive. Setting units are determined by
parameter o1-03.
Sets the frequency reference for the drive. Setting units are determined by
parameter o1-03.
Sets the frequency reference upper limit as a percentage of the maximum
output frequency.
Sets the frequency reference lower limit as a percentage of the maximum
output frequency.
Sets the lower limit for frequency references from analog inputs as a
percentage of the maximum output frequency.
LCD Display
Eliminates problems with resonant vibration of the motor/
machine by avoiding continuous operation in predefined
frequency ranges. The drive accelerates and decelerates the
Jump Freq 1
motor through the prohibited frequency ranges.
Setting 0.0 disables this function.
Parameters must be set so that d3-01 ≥ d3-02 ≥ d3-03.
Eliminates problems with resonant vibration of the motor/
machine by avoiding continuous operation in predefined
frequency ranges. The drive accelerates and decelerates the
Jump Freq 2
motor through the prohibited frequency ranges.
Setting 0.0 disables this function.
Parameters must be set so that d3-01 ≥ d3-02 ≥ d3-03.
Eliminates problems with resonant vibration of the motor/
machine by avoiding continuous operation in predefined
frequency ranges. The drive accelerates and decelerates the
Jump Freq 3
motor through the prohibited frequency ranges.
Setting 0.0 disables this function.
Parameters must be set so that d3-01 ≥ d3-02 ≥ d3-03.
Description
Description
Description
B.5 d: References
Values
Page
Default: 0.00 Hz
Min.: 0.00
142
<1>
Max.: 240.00
Default: 0.00 Hz
Min.: 0.00
142
<1>
Max.: 240.00
Default: 0.00 Hz
Min.: 0.00
142
<1>
Max.: 240.00
Default: 0.00 Hz
Min.: 0.00
142
<1>
Max.: 240.00
Setting
Page
Default: 100.0%
Min.: 0.0
143
Max.: 110.0
Default: 0.0%
Min.: 0.0
143
Max.: 110.0
Default: 0.0%
Min.: 0.0
143
Max.: 110.0
Values
Page
Default: 0.0 Hz
Min.: 0.0
144
Max.: 240.0
Default: 0.0 Hz
Min.: 0.0
144
Max.: 240.0
Default: 0.0 Hz
Min.: 0.0
144
Max.: 240.0
319
B

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