Multiple device protocols
Map each device protocol to a common identity, reading and command model; verify compatibility per model.
Solutions
Define device identity, communication and command feedback before connecting equipment to business workflows.
Map each device protocol to a common identity, reading and command model; verify compatibility per model.
Separate command acceptance from completion and keep a trace of retries, timeouts and operator actions.
Decide which rules must run locally and test how queued events reconcile after connectivity returns.
Keep the existing equipment and operating procedures in view. Confirm supported interfaces and responsibilities before selecting a pilot area.
Record normal operation, missing data and recovery behavior. Expand only after the people using the system can verify the results.