User's Manual
In this Chapter
Selecting the Contact Closure Model
Programming Sensors for Use with Contact Closures
Programming Contact Closures
In many applications, you will not need to use your SmartSensor with contact
closure cards. Often trac data is collected directly from the sensor via a serial,
modem or Internet connection. However, a contact closure module is often
needed to use a SmartSensor with a trac controller, trac data recorder or
other type of data logger.
Selecting the Contact Closure Model
In some applications, all of the contact closure modules listed in Table 9.1 below
could be used, but one model may have major advantages over the others; for
example, the Click! 101 is beer for midblock applications.
Model Number Form Factor Major Advantages
Click! 100 Din rail Screw terminals for easy wiring to automatic trafc
recorders or data loggers
Click! 101 Din rail Collection from multiple sensors
Click! 172/174 Rack card Works with standard ITS and intersection detector
racks (NEMA TS1/TS2, 170, 2070)
Click! 500 Din rail User-programmable contact closure development
platform for virtually any application.
Advantages of Contact Closure ModelsTable 9.1 –
9
Contact Closure Communications