Allen-Bradley 1305 Series - Page 84

Programming
5-16
Advanced Setup Group (continued)
[
Base Volta
g
e
]
Parameter # 18 Factory Default Max. Drive Rated Volts
[Base
Voltage]
Parameter Type Read & Write Minimum 25% of Max. Drive Rated Volts
This value should be set to the motor nameplate Rated
Voltage.
Units 1 Volt Maximum 100% of Max. Drive Rated Volts
[Base Voltage]
[Base Frequency]
Figure 5.6 Standard Volts-per-Hz Pattern
Motor Rated '
a
[Maximum Voltage]
[Maximum Frequency]
b
y
Motor Rated
0 –
0
Voltage
Frequency
[Break Fre
q
uenc
y
]
Parameter # 49 Factory Default 30 Hz
[Break
Frequency]
Parameter Type Read & Write Minimum 0 Hz
This parameter sets a midpoint frequency on a custom
Volts-per-Hz curve. Combined with [Break Voltage], this
value determines the Volts-per-Hz ratio between 0 and
[Break Frequency].
Important: [DC Boost Select] must be set to ‘‘Break
Point” for this parameter to be active.
Units 1 Hz Maximum 120 Hz
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