All available versions for the product are listed on the left side.

New Features

64 bit Upgrade
As with all other Prolink v.4.2 products, QC-PLC now runs as a 64 bit application and service in Windows. This allows the service to take advantage of more memory when running spec plans.
OPC-UA Support
As of 4.2, QC-PLC now fully supports the newer OPC-UA standard for PLC communication.
OPC-DA Support
As of 4.0, QC-PLC now fully supports the OPC-DA standard for PLC communication. Users navigate to tags using an Windows Explorer treeview style interface.