Yokogawa Electric Corporation”s R3.05 upgrade to its Plant Resource Manager (PRM) provides added compatibility for integrated device management that can be used to centrally manage, monitor, and diagnose plant field devices. With the R3.05 upgrade, PRM now supports PROFIBUS DP/PA and Wired HART 7 1 devices, has a new maintenance mark function, and can run under Windows Server 2008. Through these and other enhancements, PRM can now be used to manage a much wider range of devices online and the efficiency of maintenance activities has been significantly enhanced.