Specifications

Siemens Mobility, Traffic Solutions
Sopers Lane, Poole, Dorset
BH17 7ER
Version 10 Page 89 of 120 Status Issued
Last Editor harry.smyth Date 03 November 2014
Document
Name
GENERAL HANDBOOK FOR HEIMDALL
DETECTORS
Doc. No. 667/HB/31900/000
Copyright  Siemens plc 2014 All Rights Reserved
7.7 Detector Terminal Handset Commands
7.7.1 Status Commands
DESCRIPTION AND REMARKS
DOS
DOS <Digital Output, 0 to 1>:<Status, 0 to 1>
Status ‘0’= Inactive, ‘1’= ‘Active’.
DOS is updated every 200mS and indicates detector states.
R
SPD
SPD:<Vehicle Speed>
The speed of the current detected vehicle is displayed (km/h).
Note: Vehicle Approach, Selectable Speed and Stop Line Detectors
Only
R
VCL
VCL <Vehicle Classification, 0 to 2>:<Data>
VCL 0:<Speed (km/h)>
VCL 1:<Occupancy (length in metres) >
VCL 2:<Classification, n> where n: 0=Not Relevant, 1=Car, 2=Truck,
3=Unclassified
R
Table 7-2 – Status Commands