each read or write

_SoE_IDNWrite4 Function block to write

ReadInputs BeforeWrite [...] ReadInputs (Method) BeforeWrite

program nWritePos UDINT [...] sure, nReadPos and nWrite

_READ USINT 16#42 DP_WRITE

Block) Initialize (Method) VisuFbWrite

PropertyInstance Write [...] BACnetUnsignedProperty (Method) Write

DataFile (Method) Write [...] ReadCallbackAttachment (Method) SetWrite

ObjectsBase SetWrite [...] ObjectPropertiesFromDataFile Write

. Directly read/write from