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Download Siemens HB 904 Series Specifications
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3U Traffic Outstation Handbook 11.18 VEHICLE CLASSIFIER COMMAND TABLE 11.18.1.1 Vehicle Classifier Common Configuration Code VCC Major Index - 667/HB/26568/000 Minor Index 0 Data Range 0–4 1 0 or 1 – 255 2 0 or 1 – 255 3 0 or 1 – 32 4 0 or 1 - 32 Description Number of Sites Total number of loop sites Maximum Presence Time The time in minutes after which continued loop activation generates a vehicle presence loop fault. 0 = disable the loop DFM Maximum Absence Time The time in hours after which continued loop deactivation generates a vehicle absence loop fault. 0 = disable the loop DFM Loop Pair Fault Detection Threshold The number of consecutive vehicle detections counted on either the upstream or the downstream loop to cause a loop pair fault to be generated. 0 = loop pair fault algorithm disabled. Loop Pair Fault Clearance Threshold The number of (not necessarily consecutive) vehicle detections counted by both upstream and downstream loops that must be exceeded to cause a loop pair fault clearance to be generated. 0 = loop pair fault algorithm disabled. Page 213 Access Level RO Issue 15
