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301UM0031_01 TD136 Enhanced Vehicle Detector User Manual Page: 2 of 29
Table of Contents
1. INTRODUCTION .................................................................................................................................... 5
2. TECHNICAL DATA ................................................................................................................................ 6
2.1 Functional Data ................................................................................................................................... 6
2.2 Electrical Data ..................................................................................................................................... 7
2.3 Environmental Data ............................................................................................................................ 7
2.4 Mechanical Data ................................................................................................................................. 8
2.5 Approvals ............................................................................................................................................ 8
3. OPERATING INSTRUCTIONS .............................................................................................................. 9
3.1 Hardware Set-up ................................................................................................................................. 9
3.2 Switch Setting Selections .................................................................................................................... 9
3.2.1 Frequency Switch ........................................................................................................................ 9
3.2.2 Sensitivity ................................................................................................................................... 10
3.2.3 Presence Time ........................................................................................................................... 10
3.2.4 Delay Time ................................................................................................................................. 11
3.2.5 Reset Switch .............................................................................................................................. 11
3.3 Front Panel Indicator ......................................................................................................................... 11
4. PRINCIPAL OF OPERATION .............................................................................................................. 12
4.1 Detector Tuning ................................................................................................................................ 12
4.2 Detector Sensitivity ........................................................................................................................... 13
4.3 Modes of Operation .......................................................................................................................... 13
4.4 Response Times ............................................................................................................................... 13
5. INSTALLATION GUIDE ....................................................................................................................... 14
5.1 Product Safety Requirements ........................................................................................................... 14
5.2 Operational Constraints .................................................................................................................... 14
5.2.1 Environmental Factors to Consider ............................................................................................ 14
5.2.2 Crosstalk .................................................................................................................................... 15
5.2.3 Reinforcing ................................................................................................................................. 15
5.3 Loop and Feeder Specification.......................................................................................................... 15
5.4 Sensing Loop Geometry ................................................................................................................... 16
5.5 Loop Installation ................................................................................................................................ 16
6 CONFIGURATION ................................................................................................................................... 18
6.1 TD136 Enhanced – 120 V
AC
Vehicle Detector - Order number 305FT0004 ...................................... 18
6.2 TD136 Enhanced – 230 V
AC
Vehicle Detector - Order number 305FT0001 ...................................... 19
6.3 TD136 Enhanced – 12 to 24 V
AC/DC
Vehicle Detector - Order number 305FT0010 ........................... 19
7. APPLICATIONS ................................................................................................................................... 20
8. CUSTOMER FAULT ANALYSIS ......................................................................................................... 21
8.1 Fault Finding ..................................................................................................................................... 21
8.2 DU100 – DETECTOR DIAGNOSTIC UNIT ....................................................................................... 22
8.2.1 Interpretation of DU100 readings ............................................................................................... 22
8.2.1.1 Frequency ........................................................................................................................................................ 22
8.2.1.2 Frequency drift ............................................................................................................................................... 23
8.2.1.3 Sensitivity ....................................................................................................................................................... 23
8.2.1.4 Time ............................................................................................................................................................... 23
8.2.1.5 Crosstalk ........................................................................................................................................................ 24
8.3 Functional Test ................................................................................................................................. 24
APPENDIX A - FCC ADVISORY STATEMENT.............................................................................................. 25
APPENDIX B – INSTALLATION OUTDOORS ............................................................................................... 26