Original equipment manufacturer PayWerks has developed the Advanced Toll Payment Machine (ATPM), an outdoor payment kiosk for the toll road industry. Opto 22 PAC controllers provide the intelligence that enables the ATPM to know the amount of the driver's toll and also gives them the ability to pay it. The PAC connects to infrared lane sensors, which identify the class of vehicle as single-, double-, or multi-axle. The sensors then communicate with the controller, transmitting the data via a standard serial connection to SNAP input modules that work with the PAC.
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