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IMPULSE®•G+ & VG+ Series 4 Instruction Manual – February 2017
5-5
Reference Limits
These parameters limit the frequency range as a percentage of maximum output frequency (E01-
04). If the lower limit is below the DC Inj Start Freq (D01-01), then operation will continue according
to B03-05.
An alternate upper limit frequency can be used during operation when a Multi-Function Digital Input
(MFDI) is set to 59 (Alt F-Ref Up Lmt) and the MFDI is on.
Table 5-3: Reference Limit Parameter Settings
Figure 5-1: Setting Frequency Upper and Lower Limits
Parameter
Display
Function
Range
Default
B02-01
Ref Upper Limit
Sets as a percentage of the
maximum output frequency (E01-
04), which determines the
maximum frequency at which the
drive is able to run.
0.0–110.0%
100.0*
B02-02
Ref Lower Limit
Sets as a percentage of the
maximum output frequency (E01-
04), which determines the
minimum master frequency
reference only.
0.0–110.0%
0.0
B02-03
Ref1
Lower Limit
Sets as a percentage of the
maximum output frequency (E01-
04), which determines the
minimum frequency at which the
drive is able to run.
0.0–110.0%
2.0*
B02-04
Alt Upper Limit
Alternate of B02-01 set by
MFDI=59.
0.0–110.0%
0.0
* Initial value is determined by X-Press Programming (Table 4-6, 4-7, or 4-8 on pages 4-12, 4-13, and 4-14).
Summary of Contents for Impulse G+ series 4
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Page 27: ...C h a p t e r 2 Installation...
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Page 41: ...C h a p t e r 3 Wiring...
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Page 67: ...C h a p t e r 4 Getting Started...
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Page 87: ...C h a p t e r 5 Programming Advanced Features...
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Page 223: ...C h a p t e r 6 Troubleshooting...
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Page 255: ...a p p e n d i x A IMPULSE G VG Series 4 Parameter Listing...
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