Rockwell Automation Publication 750-RM100A-EN-P - August 2019 105
Application References Chapter 11
Crane Setup—with Encoder Feedback
These setup instructions assume the following.
• The drive is a 755TR regenerative and low harmonic drive.
• Drive and motor size have been carefully selected.
• 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 Connected Components Workbench software.
• Crane control is done via Run Forward/Run Reverse inputs.
• The drive is equipped with an I/O card, such as a 20-750-2262C-2R, in
port (slot) 4. Mechanical brake control is wired to Output Relay 0 on that
card.
• The drive is equipped with an incremental (20-750-ENC-1) or dual
incremental encoder board (20-750-DENC-1) in port (slot) 5. You can
use a Universal Feedback Board (20-750-UFB-1). However, that
configuration is not covered in these instructions.
• The encoder is mounted on the back of the motor (not behind the
gearbox).
• Recommended 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 9:50…78 are designed for lifting/torque prove
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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