There was a download of MatrikonOPC Server for PHD 1.6 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the free program is Matrikon Inc. The most popular version among the software users is 1.6. PSTCFG.exe is the most common filename for this program's installer. The software relates to Internet & Network Tools. We recommend checking the downloaded files with any free antivirus.
From the developer:
The MatrikonOPC Server for Honeywell PHD is used to extract both real-time and historical data. Any OPC compliant application can connect to this server using either the OPC DA (Data Access) or OPC HDA (Historical Data Access) communication standards.
You may want to check out more software, such as MatrikonOPC Server for Omron PLCs, MatrikonOPC Server for Mitsubishi PLCs or MatrikonOPC Server for Omni Flow Computers, which might be related to MatrikonOPC Server for PHD.