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Rockwell Automation Publication 842E-UM002A-EN-P - November 2013
Chapter 5
Configuring the 842E-CM Encoder Using the Logix Designer Application
15.
Select the Parameter List category. Enter the necessary changes
based on your application requirements.
NOTE:
Velocity Filter Bandwidth, Acceleration Filter Bandwidth, Velocity
Threshold and Velocity Standstill Window cannot be set from the
Parameter List. To set these parameters, use the following message
instructions.
This procedure sends a Logix message to set the following parameters.
a.
Velocity Threshold:
This parameter defines a minimum
absolute velocity. If the magnitude of the velocity feedback
signal is less than this value, the Velocity Threshold status bit is
set.
IMPORTANT
These new values are set to volatile memory and are not retained upon a
power cycle. Follow the sample below or use a similar method to write the
values to the encoder memory after a loss of connection to the device.