field_device_status

This data flow is used within the Manage Maintenance and Construction function to provide the operational status (state of the device, configuration, and fault data) of a set of field equipment, collected from the roadside and from other center processes. The equipment includes sensors (e.g., traffic flow, speed, wind, chemical, temperature, precipitation) and other field devices (e.g., signals, ramp meter controllers, CCTVs, vehicle traffic and environmental probe field equipment, in-vehicle signing equipment, automated roadway treatment systems, barriers, safeguard systems, and lighting systems). By monitoring this data flow, the receiving process can assess the health and current status of all field equipment and repair if deemed necessary. The data flow consists of the following data items each of which is defined in its own DDE:

list_size{station_id
+ equip_identity
+ equip_device_status}

Sub Data Flows

Parent Data Flows

Associated PSpecs