Owners, Exclusive – Rockwell Automation 20B PowerFlex 70, PowerFlex 700 Reference Manual User Manual

Page 125

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Owners

Rockwell Automation Publication PFLEX-RM001H-EN-P - June 2013

125

Figure 28 Typical V/Hz Curve for Full Custom (with Speed/Frequency Limits

Owners

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.

Frequency

Output V

olta

g

e

Overspeed

Limit

Frequency Trim
due to Speed
Control Mode

Maximum

Voltage

Motor NP

Voltage

Run

Boost

Break

Voltage

Start

Boost

Allowable Output Frequency Range - Normal Operation

Allowable Speed Reference Range

Allowable Output Frequency Range -

Bus Regulation or Current Limit

Maximum
Frequency

Motor NP Hz

0

Break

Frequency

Maximum

Speed

Minimum

Speed

Output

Frequency

Limit

(lower limit on this range can be 0 depending on the value of Speed Adder)

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