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Owners
Figure 28 Typical V/Hz Curve for Full Custom (with Speed/Frequency Limits
Allowable Output Frequency Range Bus Regulation or Current Limit
Allowable Output Frequency Range - Normal Operation
(lower limit on this range can be 0 depending on the value of Speed Adder)
Allowable Speed Reference Range
Maximum
Voltage
Output Voltage
Motor NP
Voltage
Frequency Trim
due to Speed
Control Mode
Overspeed
Limit
Break
Voltage
Start
Boost
Run
Boost
0
Minimum
Break
Speed Frequency
Motor NP Hz
Frequency
Owners
Maximum
Speed
Output
Maximum
Frequency Frequency
Limit
An owner is a parameter that contains one bit for each of the possible DPI or
SCANport adapters. The bits are set high (value of 1) when its adapter is
currently issuing that command, and set low when its adapter is not issuing that
command. Ownership falls into two categories;
Exclusive
Only one adapter at a time can issue the command and only one bit in the
parameter will be high.
For example, it is not allowable to have one Adapter command the drive to run in
the forward direction while another Adapter is issuing a command to make the
drive run in reverse. Direction Control, therefore, is exclusive ownership.
Rockwell Automation Publication PFLEX-RM001H-EN-P - June 2013
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