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INFICON SQM-242 Thin Film Deposition Controller Card Software Operating Manual User Manual

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SQS-242 Operating Manual

Mount the PLC controller near the devices it is controlling and sensing. Connect
the PLC to a properly grounded power source. See the PLC User Manual for
detailed PLC mounting and connection information. Connect the serial cable
supplied from the PLC serial port to your computer serial port.

Input Wiring: The 0.0 to 0.11 inputs on Omron PLCs correspond to Inputs 1 to 12
in the SQS-242 software. Omron PLC input wiring is shown in

Figure 4-2

.

Figure 4-2 Omron PLC Input Wiring

Output Wiring: The PLC output relays are mapped to output events using the
SQS-242 software’s Edit, System dialog, I/O Events tab.

NOTE: Relays 1 to 8 in the SQS-242 software correspond to relays 10.00 to 10.07

on the PLC. Relays 9 to 12 correspond to Omron relays 11.00 to 11.03.