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Text Box: 170/ 2070/ ATC CONTROLLERS CONTROLL                              ERS

 

 

 

Text Box: ITS CABINETS The ITS cabinet system consists of three different sized units that are designed for component interchangeability. They use standard serial interface units for input and output control. All sub-assemblies are mounted in a removable 19?EIA rack for ease of maintenance and are fully interchangeable between ITS cabinets. The cabinets meet all Advanced Transportation Committee requirements. Text Box: 336, 336S, 332, 303, 330, 334 CABINETS These cabinets are versatile and modular in design for control of up to eight vehicle and four pedestrian phases. An optional configuration provides six additional load switch positions for use as overlaps, seven wire interconnect outputs, or a variety of special function outputs. All assemblies are mounted in a 19?EIA rack for ease of maintenance and are fully interchangeable. The use of standard subassemblies, as defined by Caltrans and FHWA, assures interchangeability between manufacturers. Text Box: 2070 CONTROLLERS Another addition to the 170 family is the 2070L - an advanced transportation controller. Utilizing rugged field processors and communication systems, they can be configured for a variety of traffic management applications. The controllers are modular in design and compatible with 170, 170E, 2070ATC and NEMA specified equipment. An 8 x 40 character LCD display allows for easy programming and an Ethernet communication port is also provided for communications. Text Box: 170 ATC-12 CONTROLLERS The next generation 170 controller contains the ATC-12 CPU board, with increased memory capacity, rapid communication speed, and the ability to integrate the newest communications protocols. The ATC-12 CPU board creates a simple and economical method for users to easily update existing equipment, allowing for a direct replacement, and enabling current equipment to function for the next 10-15 years, as technology continues to advance. The ATC-12 CPU board also allows the 170 controller front panel to be replaced with a more user freindly LCD menu driven front panel. Text Box: 170 & 170HC11 CONTROLLERS At one time, manufacturers of traffic controllers were supplying non-standard equipment (each controller was completely different) Technicians were forced to learn and be able to program up to 5 different types of controllers. A growing interest began in the early 1970抯 to develop one standard controller that allowed for interchangeability between both hardware and software. The 170 controller, as originally defined by the FHWA IP78 standard, started both Caltrans and New York DOT抯 on the path to standardization of this concept. Today, the 170 enjoys wide spread use throughout the country as intersection controllers, ramp metering, surveillance, sprinkler control, and closed loop system local and master controllers. It抯 open architecture permits the 170 to be adaptable to a wide variety of special applications through the development of software. It is easily upgradeable through software, has standard communication interface, and is 100% tested by a governmental agency. The standard 170 controller uses a 6800 processor. When Motorola announced plans to stop producing the 6800 processor, a more powerful processor (the HC11) was introduced that allowed us to do even more with the 170 controller.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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