Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Manual de usuario Pagina 446

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446 Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Appendix B Application Notes
Crane Setup with Encoder
Feedback
These setup instructions assume the following.
Drive and motor size have been carefully selected
External braking resistor has been properly sized
The drive is at factory defaults.
If not, unplug the output relay terminal block and issue a reset to factory
defaults for the HOST and all PORTS. Plug terminal block back in.
Programming is done via DriveExecutive or DriveExplorer
Crane control is done via Run forward / Run Reverse inputs
Mechanical brake control is wired to Output Relay 0
The drive is equipped with an incremental (20-750-ENC-1) or dual
incremental encoder board (20-750-DENC-1)
The encoder is mounted on the back of the motor (not behind the
gearbox)
Encoder specification: Quadrature differential (A, A-, B, B-), Line driver
output, Minimum 1000PPR 5V or 12V signals (12V preferred)
ATTENTION: Loss of control in suspended load applications can cause personal
injury and/or equipment damage. The drive or a mechanical brake must always
control the loads. Parameters 1100…1113 are designed for lifting/torque
proving applications. It is the responsibility of the engineer and/or end user to
configure drive parameters, test any lifting functionality and meet safety
requirements in accordance with all applicable codes and standards.
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