Chapter 10. OPC UA Server182 PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual GFK-2224QExample of Config Status Request:Note that System Bit %S49 FA_OK indicates the state of the CPE400 Field Agent:When the %S49 FA_OK bit is set, the Field Agent is Running, Predix Edge is Running, and the system isconnected to the Cloud. The status of the OPC UA data exchange between the PACSystems Runtime and theField Agent is independent of the state of this bit.OPC UA Server SubroutineIt is recommended that you create a subroutine to encapsulate the service request. The subroutine is thenavailable to the main program to use as necessary. An application note entitled OPC-UA Server: ApplicationLogic Quick Start Guide that includes an example subroutine is available at the GE Automation and Controlssupport site, www.geautomation.com/support. An example subroutine call, per the application note, isdisplayed below for reference.
