Try the MatrikonOPC Server for APACS API for FREE now. The MatrikonOPC Server for APACS API download is shareware that can be distributed freely. It is a fully functioning application that can be used for 30 days after which time it must be licensed.
The MatrikonOPC Server for APACS is a highly efficient Data Access server that enables data interchange between OPC Data Access client and Moore APACS. The server supports communication with the APACS (Advanced Process Automation and Control System) MODULBUS (M-BUS) directly or via the APACS Rack-Mounted Network Interface (RNI) or Network Interface Module). The PC can use either a MODULBUS Interface (MBI) Card or a Network Interface Card (NIC). The OPC server is self-optimizing to provide easy, efficient, and reliable data transfer.