Configuration and Operation Instruction Manual

ManualsBrandsSmarTek Systems ManualsSensorsSAS-1 Wireless

SmarTek Systems, Inc.

14710 Kogan Drive

Woodbridge, VA 22193

703-680-6554

Sales 410-315-9727

SmarTek Acoustic Sensor - Version 1

(SAS-1)

Installation and Setup Guide

Part-I

SAS-1 Wireless Configuration and Operation

30 January 2002

Note: In all cases, do not work or position equipment over an active traffic lane. Working

over active lanes presents a hazard to the installer and to travelers using the highway.

Follow local authorized procedures when installing the SAS-1 unit and any associated

components or subsystems.

Sensing and System Integration Solutions

Summary of content (6 pages)

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TM S SmarTek Systems, Inc. TM S 14710 Kogan Drive Woodbridge, VA 22193 703-680-6554 Sales 410-315-9727 SmarTek Acoustic Sensor - Version 1 (SAS-1) Installation and Setup Guide Part-I SAS-1 Wireless Configuration and Operation 30 January 2002 Note: In all cases, do not work or position equipment over an active traffic lane. Working over active lanes presents a hazard to the installer and to travelers using the highway.
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(This Page Intentionally Left Blank) SmarTek Systems (www.smarteksys.
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SAS-1 Operating Modes The SAS-1 can be set up for a specified fall back or default operating mode. This mode defines what the SAS does and how it communicates after reset, power up, or a prolonged period of communication inactivity. The SAS-1 can be set to operate in either a text message mode (Flow Mode) or a “Loop Equivalent” relay mode (Relay Mode). In the Flow Mode, the SAS-1 performs vehicle detection and speed estimation processing for all 5 lanes and forms a Traffic Flow Message.
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SAS-1 Hard Wire Home Run to Roadside Cabinet The SAS-1 may be connected to equipment in a roadside cabinet that may be only several feet from the SAS-1 or may be hundreds or thousands of feet from the SAS-1. The basic SAS-1 configuration uses a hard-wired home run cable to get power and control signals from the cabinet to the SAS-1 and signals/messages from the SAS-1 to the cabinet controller (Figure 1).
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conductors and a continuous shield with a stranded shield conductor. For long runs, the long home run cable used should be 22 gauge. The SAS-Cabinet Termination (SAS-CT) is a small circuit card (mounted inside the controller cabinet or in a Type 170 card file) that provides the termination point for the home run cable from the SAS-1. The home run cable is terminated with a high quality terminal block connector that is plugged onto the SAS-CT.
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the cabinet controller/data concentrator, each SAS-1 is set up with a different SAS ID and set to wait to be polled. Multiple radio networks may also operate in the vicinity of one another without interference since the radio modems can be set to different network numbers or spectrum hopping patterns. SmarTek Systems (www.smarteksys.