Copley Controls Serial Encoder Guida Utente Pagina 27

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Xenus XTL User Guide Operational Theory
Copley Controls Corp. 19
Count Up/Count Down Format
In the count up/count down format, one input takes each pulse as a positive step command, and
another takes each pulse as a negative step command, as shown below.
Up Input
Velocity
Command
Down Input
The amplifier can be set to increment position on the rising or falling edge of the signal. Stepping
resolution can be programmed for electronic gearing.
Quadrature Format
In quadrature format, A/B quadrature commands from a master encoder (via two inputs) provide
velocity and direction commands, as shown below.
B Input
Vel o city
Command
A Input
The ratio can be programmed for electronic gearing.
2.5.9: CVM Program
The Copley Virtual Machine (CVM) is a software program that runs motion control programs on
supported Copley Controls amplifiers. When a CVM program is running, the amplifier can receive
input commands from the CVM program.
For more information, see the Copley Indexer Program User’s Guide.
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