hri_device_control_data

This data flow represents health monitoring and status information about controls and signals at highway-rail grade crossings. It is provided by the Provide Device Control process as feedback and is used to determine the state of devices at the HRI. It is also used by HRI to trigger alerts to rail crews of any potential hazards resulting from equipment malfunctions, system anomalies, etc. It consists of the following data items each of which is defined in its own DDE:

indicator_sign_control_data_for_hri
+ hri_device_sense

Sub Data Flows

• hri_device_sense
• indicator_sign_control_data_for_hri

Parent Data Flows

• None

Associated PSpecs/Terminators

• None