Java SDK for the Darra PROFINET IO device stack — use a Windows host as a PROFINET IO device under the control of a master system (e.g. a Siemens PLC): RT Class 1 cyclic communication, DCP device discovery/naming/addressing, process-data IO, alarms, diagnostics and I&M records, GSDML import for TIA V15+; real-time frame timing with the DarraRT kernel driver; Windows x64; The SDK is used in service mode (control plane over HTTP 18840, process image mapped from shared memory).