Specifications

Siemens Mobility, Traffic Solutions
Sopers Lane, Poole, Dorset
BH17 7ER
Version 10 Page 13 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
1 INTRODUCTION
1.1 Purpose
This handbook gives a general description and specification for the Heimdall series of
above ground detectors. It outlines the general procedures for installation, commissioning
and maintenance.
Detailed installation instructions can be found in this document and in addition, the
appropriate installation guides (reference section 0).
1.2 Related Documents
667/HE/20661/000 General Installation Principles
667/HE/20662/000 Signals and Poles (for reference only)
667/HE/20663/000 Detectors and Cable Terminations
667/HE/20664/000 Installation and Testing
667/HE/20665/000
General Installation Guide for Above Ground
Detectors
667/HB/30875/000 SieCom Handbook
1.3 Definitions
AGD Above Ground Detector
CRC Cyclic Redundancy Check
CR/LF Carriage Return/Line Feed
DIP Dual In-Line Package
DFM Detector fault Monitor
EEPROM
Electrically Erasable and Programmable
Memory
HA Highways Agency
LED Light Emitting Diode
MP Maintenance Provisions
PCB Printed Circuit Board
PDA Personal Digital Assistant
PLL Phase-locked Loop
RF Radio Frequency
SCOOT Split Cycle Offset Optimisation Technique
SieCOM
Siemens Intelligent Traffic Signal
Communications Terminal
SiTOS Siemens Traffic Communications Protocol
VA Vehicle Actuated
1.4 Issue History
1 Release
2 TS004728
3 TS005346
4 TS005346
5 TS006334