Chapter 13. OPC UA ServerGFK-2816F August 2015 239OPC UA Server – Service Request – SERVER_STATUSThe SERVER_STATUS sub-function code can be used to obtain info about the server status.The sub-function uses the following bitmaskOPC_UA_SERVER_STAT_READY_TO_START_BITMASK 0x0001OPC_UA_SERVER_STAT_RUNNING_BITMASK 0x0002OPC_UA_SERVER_STAT_RESTARTS_PENDING_BITMASK 0x0004Parameters for the SERVER_STATUS function service request are:Parameter SummaryData Direction(LD perspective)16#0001 OPC UA protocol IN16#0003 SERVER_STATUS request IN0000 0000 0000 0000 Server Status Response – bitmask(see below)OUTIf the SVC_REQ does not pass power, the operation did not complete.The SERVER_STATUS word bit definitions are displayed below.