
DSP-22-2 User Manual
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DSP-22-2_MAN_E
Contents
Functional Data ....................................................................................................................................................... 5
Electrical Data ......................................................................................................................................................... 6
Environmental Data ................................................................................................................................................ 6
Mechanical Data ..................................................................................................................................................... 7
General Rules and Best Practices for Inductive Loops ......................................................................................... 15
Detector Installation ............................................................................................................................................. 16
Loop Installation ................................................................................................................................................... 17
Free Exit Probe Installation................................................................................................................................... 20
No Power LED ....................................................................................................................................................... 22
Detect LED Flashes On Once Every Two Seconds ................................................................................................. 22
Detect LED Flashes On Twice Every Two Seconds ................................................................................................ 22
Detect LED Flashes at the Same Time as the Power LED every Two Seconds...................................................... 23
Power LED Intermittently Comes On (Not Once Every 2 Seconds) ...................................................................... 23
Detect LED Intermittently Comes On / Stays On Without a Vehicle Present ....................................................... 23
Detect LED Will Not Come On With a Vehicle Present ......................................................................................... 24
Detect 1 and Detect 2 LEDs Flash Back and Forth ................................................................................................ 25