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traffic signal controller T420
traffic signal controller T420

traffic signal controller T420

Embedded architecture, modular design, enough expansion space, flexible expansion according to functional requirements Industrial touch screen, full graphical operation and display, realize the independent definition of intersection,channelization,strategy, scheme and other parameters, support intelligent terminal App and other ways of configuration and viewing.
Product Detail

Embedded architecture, modular design, enough expansion space, flexible expansion according to functional requirements.
Industrial touch screen, full graphical operation and display, realize the independent definition of intersection, channelization,strategy, scheme and other parameters, support intelligent terminal App and other ways of configuration and viewing.
Face recognition, fingerprint recognition and other authentication methods are adopted to strengthen the field operation authority management and avoid illegal abnormal operations.
It has dual control units, self-monitoring, multi-level redundancy control such as man-machine interface, phase plate, yellow flash unit, etc. to ensure the continuous and stable work of the intersection.
It has the ability of multi-intersection control to realize independent or cooperative control of multi-intersection.
Complete fault diagnosis function, can accurately identify the output state of each drive and the working state of external load, and timely transfer to degraded control or recovery.
It has the functions of real-time detection and alarm of current, voltage, temperature, humidity, water level and other environmental parameters.
Support coil, geomagnetism, radar, video, networked vehicle and other detection signals access, support the localization of video data analysis.
Complying with GB 25280-2016, GB/T 20999-2017, GA/T 508-2014, GA/T 920-2010, NTCIP and other standards.

Function of Product

Network Centralized Control of Command CenterGeneration and Optimization of Coordination Schemes
Congestion ControlAI Analysis of Traffic Flow
Regional Coordination ControlStatistical Integration of Traffic Parameters
Multi-period Timing ControlThree-level Fault Tolerance Mechanism
Adaptive Line Control and Area ControlMonitoring Mechanism of host machine
Cable/Cable-free Coordination ControlAccurate Fault Detection and Alarm
Single Point Adaptive ControlFault Degraded Operation
Induction Control (Full Induction, Semi Induction)Overvoltage Protection
Bus (BRT) Priority ControlLightning Alarm
Priority Control of Special Service VehiclesOpen Door Alarm
Vehicle Wireless Special Service ControlMobile Terminal Operation (Tablet or Mobile phone)
Handheld Wireless/Wired ControlTouch Screen Man-machine Interface
Artificial Phase Stepping ControlCommunication/Trigger Countdown Control
Pedestrian Crossing Trigger ControlVariable Lane Control
Multi-intersection ControlFace Recognition/ID Card/Remote Switch Cabinet Door

Technical Parameter

Mechanical characters:

Shape size:1676mm×741mm×507mm(Height * width and depth)
Shell Material: Carbon Steel, Stainless Steel, Aluminum Alloy, etc. Shell protection grade:IP55
Power supply voltage: single-phase AC220V + 20% 50Hz + 2Hz Load-free power consumption:≤30W

Input /Output interface:

Signal lamp output: 48 channels, can be extended to 144 channels, output, single drive capacity AC220V/5A IO
Input: 32-way Switch Volume or TTL Level Input Signal, can be extended to 72-way
IO output: 8-channel 12V level output, expandable to 16-channel
Standard communication interface: standard EIA level RS232 interface: 2, baud rate: 1200 BPS ~ 115200 bps RS485 level signal interface: 6, baud rate: 1200 BPS ~ 38400 BPS
Network Interface: 3, 10M/100M Adaptive USB interface: 2
GPS interface: 1, can receive GPS timing
Yellow Flash Controller Interface: 16 channels, single drive capacity AC220V/5A, can be extended to 48 channels.

Environmental indicators:

Working Temperature: - 40 ~70 ~C (Class A) Storage temperature: - 40 ~80
Relative humidity: 5%-95%, no condensation at 40 C Shock: 10g/16ms, half sinusoidal, 100 times
Vibration: 5 ~ 33Hz, 1g/1h, amplitude 2.5mm in both directions

Parameter Settings

Predictable Number of Time-based Scheduling Tables at Single Intersection:128
Predictable number of periods at a single intersection:128 Predictable number of periods per period table:48
Predictable number of schemes at single intersection:128 Predictable number of stages at a single intersection:64
Predictable number of stages per stage table:64Predictable phase number of single intersection: 16, can be extended to 64.
Minimum red, yellow and green light time: 0 seconds Maximum red, yellow and green light time: 255 seconds.


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