OPTIONAL FUNCTIONS
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CYGNUS
MI 850A316 1 B
Page 29 of 66
8.6
Out of round roll compensation (optional)
(NOT APPLICABLE FOR READOUT ONLY OPERATION)
CYGNUS has the unique ability to compensate for the Velocity/Tension transients caused by out of round rolls.
This feature requires a roll RPM sensor input into TB4.2 and TB4.3. The RPM sensor must be a pulse type which
outputs 1 pulse per revolution of the out-of-round roll. Calibrate RPM sensor per Section 6.4.2 of this manual.
(NOTE: The system must be dynamically tuned before enabling this function.)
If system is unstable reduce the gain.
Select yes to enable out of round roll
configuration.
Actual RPM will be displayed here
This is “NOT” maximum roll RPM. This
once RPM is calibrated.
value is set automatically after you
“Auto Tune” the system, and is the
maximum RPM the out of round roll
comp can tolerate. This is the cut-
off RPM to ensure you are not
crossing the natural frequency of the
system. If the system will not
stabilize, set this value below the RPM
at which oscillations start.
Summary of Contents for Cygnus MAGPOWR
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