Appendix A: Installation and Setup
Linx 4900 Operating Manual 162 MP65492–1
A.5.3 To Select the Encoder, Gearing and Print
Width
When using a shaft encoder, it is vitally important that you carry out the
following calculations to compute the print width value based on the
geometry of the setup. If you do not follow these calculations, your
messages will not be printed at the required size; rasters will be printed too
close together or too far apart.
The calculations involve a series of steps as shown below:
Step 1: Define the required raster pitch for the application.
Step 2: Select the encoder, gearing and pitch factor that gives an actual
raster pitch close to that required.
Step 3: Check that the calculated print performance—size and speed—
is adequate.
Step 4: Calculate the print width value from the pitch factor and enter it
at the Print Width setting in the SETUP menu.
Step 5: Check the print samples for performance.
4900 Op Manual.book Page 162 Tuesday, September 9, 2003 12:32 PM
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