INFICON SQM-242 Thin Film Deposition Controller Card Operating Manual - Manual (Page 28)

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SQM-242 Operating Manual
2.6 Digital I/O
The SQM-242 card and SQM-242 software do not support the digital I/O required
to automatically open and close shutters, rotate source pockets, etc.
The optional SQS-242 Codeposition software adds this capability to the SQM-242
card. Using an inexpensive PLC, the SQS-242 software provides virtually unlimited
digital I/O capabilities.
Contact INFICON for more information on interfacing the SQM-242 card to your
system's digital I/O.