Rockwell Automation 1398-DDM-xxx ULTRA 100 Series Drives Installation Manual - Manual (Page 257)

Publication 1398-5.2 – PDF 1997
Creating Custom Motor Files D-3
Table ID
The table ID number tells ULTRA Master whether the motor file
represents a standard motor or a custom motor:
●
Standard motor table IDs occupy the range 0 to 65534.
●
The custom motor table ID is 65535 (also known as “-1”).
Standard motor parameter sets are stored in the drive as well as in the
motor file. Thus ULTRA Master needs to transmit only the table ID to
select the motor model from the drive's personality EEPROM. For
custom motor files, ULTRA Master must transmit not only the custom
motor’s table ID but also the complete motor parameter set from the
custom motor file.
Text String
The text string allows ULTRA Master to display a meaningful name in
the motor model window. The text string displays one of three
possible messages when a motor is loaded into the drive:
●
“H-4030-P-H”, or equivalent if a valid motor model number is
loaded.
●
“Custom” if a custom motor file is loaded.
●
“Unknown” if an unrecognized motor file is loaded.
The text string translates the table ID into a real motor model number
for display. For example, the user can select the text string “H-4030-P-
H” rather than entering the table ID #23. Figure D.1 defines the text
string format of Allen-Bradley motors.
Motor Phasing
The phasing of the back-EMF and Hall feedback signals must be
verified before a custom motor file can be created. Allen-Bradley
motors use back-EMF and Hall feedback signals phased as shown in
Figure D.2. Motors not manufactured by Allen-Bradley require the
back-EMF and Hall feedback signals be phased to match those of
Allen-Bradley motors. Often this requires swapping of the R-, S-, and
T-phase control signals with each other, as well as swapping the Hall
A, Hall B, and Hall C signals with each other.
Back-EMF and Hall Signals
Figure D.2(a) shows the required phasing of the line-to-line back-
EMF signals and Figure D.2(b) shows the proper phasing of the Hall
feedback signals, when the motor is rotating clockwise (CW) as seen
looking at the motor shaft from the load.
The relationship of the Hall signals to the back-EMF signals is not
important at this stage. However, the sequencing of the back-EMF
signals must conform to Figure D.2(a), and the sequencing of the Hall
feedback signals must conform to Figure D.2(b).