Chevron Curve Warning Setup Guide

Chevron Curve Warning Setup Guide


Introduction

To ensure a smooth installation process in the field, it's recommended to preconfigure and test your Chevron system in the workshop. This helps verify that all components are functioning correctly and communicating effectively before installation.

Curve Warning Overview

Controller 

  1. Acts as the central unit, equipped with WiFi for mesh network communication.
  1. Synchronizes the flashing of chevrons through communication with each Collaborator.

Collaborators

  1. Can be identified by circular label or QR code, annotating if its a controller or collaborator.
  1. Each unit has a unique ID for proper setup and sequence configuration.

Radar Detector

  1. Detects incoming traffic to activate the flashing system.
  1. Additional radars may be used in bi-directional setups for comprehensive coverage.

Solar Panels

  1. Each unit has a solar panel that is integrated with the controller or collaborator.
  1. Understanding positioning and placement is crucial for solar efficiency.

System Types

Single-Direction Curve Warning

Uses fewer components for setups requiring directional guidance on one side only. Chevrons are installed on the relevant side of each post.

Bi-Directional Curve Warning

Recommended for curves posing risks in both directions. Involves two flashing LED chevrons per post, controlled by a single collaborator to flash in either direction.


Installation


To effectively prepare for field installation of the Chevron Curve Warning System, it is critical to assemble and configure all components in the workshop first.  This step minimizes onsite issues, saving time and reducing confusion during the actual installation.


Pre-Deployment Preparation

  1. Site Mapping: Sketch a plan detailing the curve's direction and locations for the Controller, each Collaborator, and Radar units.


  1. Identify Collaborators: Document the unique ID of each Collaborator to facilitate correct sequencing during setup.

  1. Pre-Installation Configuration: Power and configure the Controller and Collaborators before mounting to ensure optimal mesh network connectivity and signal strength.
  2. Network Testing: Once configured, test the mesh network radio strengths and ensure effective communication between units.
Note: It's essential that the radar is connected to the Controller before the system is powered on to ensure functionality.

Physical Installation

  • Mounting the Units: Install the Controller and Collaborators at the top of the posts to maximize solar exposure (not applicable for AC-powered units).
  • Post Compatibility: Units can be mounted on any post, with specific top mounts available for 4” round posts. Utilize the included components from the TraffiCalm ShipKit for other pole types.
  • Cable Management: Route all cabling internally when possible for a professional appearance. This includes wires from Chevrons, Radars, and Curve Warning signs to the Controller or Collaborator.
  • Connections: Use Green Phoenix Connectors for wiring—press down the orange tabs, insert stripped wires, and release to secure.
  • Chevron Attachment: Mount Chevron LEDs directly onto standard signs using existing sign bolts.

Installing Radar

  1. Mounting: Use a band or bolt to mount the radar facing oncoming traffic on the pole.
  2. Orientation: Adjust the radar using the 2-axis bracket to precisely aim it towards traffic.
  3. Cabling: Route the radar's wire through the pole down to the control unit, creating a drip loop in the cable and properly managing any excess cable.
  4. Final Connection: Ensure the radar is wired and connected to the Controller before powering on to enable system recognition.




Configuration

Step 1: Establishing Connection

  • Access Point: Look for the WiFi network labeled "Chevron_Controller_141168" (or something similar on any WiFi-enabled device.
  • Password: Enter the password Tr@ffiCalm to connect.


WiFi: Chevron_Controller_xxxxxx
Password: Tr@ffiCalm

Note: WiFi session will close after 2 hours for security reasons, and can be reactivated by power cycling the unit.

Step 2: Navigating to Setup

  • URL: Once connected, open a web browser and navigate to setup.trafficalm.com.
  • Initial Setup: select Chevron from the main menu, and then save and continue.

URL: setup.trafficalm.com

Step 3: Configuring System Settings

  • System Location: Assign a meaningful name to your system based on location or curve number.
  • Attached to Chevron: Specify if the controller is attached to the first chevron or an advance warning sign to ensure correct sequence activation.
  • Brightness Settings: Adjust the brightness settings based on chevron size:
    • Day Settings: 40% for 24x30 chevrons, 65% for 18x24 chevrons.
    • Night Settings: 7% for 24x30 chevrons, 10% for 18x24 chevrons.
  • Flasher Settings: Configure the speed requirements, flasher cycle, flasher pattern, and flash hold time. 
Note: Flasher Settings will vary based on guidelines and requirements unique to each region.  See attached video for assistance.

Step 4: Chevron Setup

  • Collaborator ID Assignment: Enter the COLAB IDs in sequence, in order away from the Controller and moving outward to each subsequent collaborator.
  • Radar Attached: Ensure to mark the checkbox if the last collaborator in the sequence is radar activated. (for bi-directional setups only)
  • Chevron Subset Size: Typically, set the subset size equal to the total number of installed Chevrons.
Note: If the primary controller is attached to a chevron, add +1 to the total subset size.

Step 5: Warning Sign Setup

  • Warning Sign Setup: If using an advance warning sign add its COLAB ID to designate its role in the sequence.
  • Warning Sign Location: Indicate whether the advance warning sign is positioned at the same end as the controller or at the opposite end.

Step 6: Status Check

  • Status Log: After configuration, the system status log provided by TC Connect will confirm that the system is correctly set up and operating as intended.

Step 7: Testing and Deployment

  • Testing: Before deploying the units, test the functionality in the workshop to ensure all components communicate and function as expected.
  • Deployment: Install the system following the planned configuration and ensure all physical installations are secure and properly oriented.

Video



Wiring Diagrams

Wiring: Primary Controller


Wiring: LED Chevrons


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