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Rockwell Automation 1395 ControlNet Communication Board User Manual

Page 36

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3–22

Configuration & PLC Interfacing

Publication 1395–5.37– March, 1999

Data Format:

Parameter Value – Drive units, may need to be scaled by the
Controller prior to being used in the Program.

Maximum Value – Drive units, may need to be scaled by the PLC
Controller prior to being used in the Program.

Minimum Value – Drive units, may need to be scaled by the PLC
Controller prior to being used in the Program.

Descriptor – A numeric value used by Allen-Bradley program
terminals to scale parameter data into the appropriate engineering
units.

Parameter Text – The parameter text is provided in the following
format. Each parameter text word contains two bytes in ASCII format,
which represent the text displayed by the Drive’s program terminals.

NOTE: Any parameter text that is returned comes back with each byte
reversed.