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Published byErica McKenzie Modified over 8 years ago
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CONTROL EQUIPMENT AND FUNCTIONS Part 1 General Concepts
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Controller Cabinet
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CONTROLLER CABINET
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CABINET ELEMENTS n Controller NEMA Standard
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CABINET ELEMENTS n Controller n Detectors
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CABINET ELEMENTS n Controller n Detectors
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n Phase demand n Phase extension LOOP DETECTOR FUNCTIONS
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LOOP DETECTOR SHAPES n Index 17781 n Bicycle problems n Large truck problems n Spillover problems
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n Sensitivity n Hold time LOOP DETECTOR SETTINGS
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CABINET ELEMENTS n Controller n Detectors n Conflict monitor Programmable card
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CABINET ELEMENTS n Controller n Detectors n Conflict monitor n Load switches
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CABINET ELEMENTS n Coordinator/supervisor
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CABINET ELEMENTS n Coordinator/supervisor n Communications
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CABINET ELEMENTS n Coordinator/supervisor n Communications n Power distribution
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CABINET ELEMENTS n Coordinator/supervisor n Communications n Power distribution n Surge protection
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CABINET ELEMENTS n Coordinator/supervisor n Communications n Power distribution n Surge protection n Police panel
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CONTROLLER TYPES PRETIMED n Cycle length n Splits n Offset ACTUATED n Initial n Max Gap n Max Green n Intergreen
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PHASING DIAGRAM
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TRAFFIC-ACTUATED PHASES INITIAL (Typically 10 sec)
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TRAFFIC-ACTUATED PHASES INITIAL EXTENSION
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TRAFFIC-ACTUATED PHASES INITIAL EXTENSION 1 SEC
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TRAFFIC-ACTUATED PHASES INITIAL EXTENSION 2 SEC
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TRAFFIC-ACTUATED PHASES INITIAL
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TRAFFIC-ACTUATED PHASES INITIAL EXTENSION 1 SEC
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TRAFFIC-ACTUATED PHASES INITIAL EXTENSION 2 SEC
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TRAFFIC-ACTUATED PHASES INITIAL
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TRAFFIC-ACTUATED PHASES INITIAL EXTENSION 1 SEC
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TRAFFIC-ACTUATED PHASES INITIAL EXTENSION 2 SEC
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TRAFFIC-ACTUATED PHASES INITIAL TERMINATION 3 SEC
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TRAFFIC-ACTUATED PHASES INITIAL TERMINATION 3 SEC Next Phase...
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TRAFFIC-ACTUATED PHASES INITIAL Next Phase
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SETTINGS PER PHASE n Initial n Max gap n Max green n Yellow n All-red n Walk n FDW n Recall n Detector memory
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NEXT... Part 2 Signal Phasing and Displays
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