Description
The Texas Department of Transportation is seeking bids for Econolite Signal Controllers for the Post Regional Distribution Center. The contract requires the delivery of fully actuated, solid-state traffic signal controller assemblies that meet the specifications outlined in the Departmental Materials Specification (DMS-11170). The assemblies must be compatible with the TS 2 Type 1 interface and have a unique serial number permanently displayed on the face of the unit. The controller unit must be designed to operate properly with the logic ground isolated from the AC neutral and have a high-quality keyboard with a rated lifetime of 1 × 10^6 operations. The display must be a minimum 40-character × 4-line display and have an automatic time-out feature.
• The contract requires the delivery of 50 units of Econolite Signal Controllers.
• The contractor must provide a controller unit that is completely solid state and digitally timed.
• The contractor must provide a direct-reading, alphanumeric liquid crystal display (LCD) with back lighting on the front panel of the controller unit.
• The contractor must provide a clock that uses the 60-Hz power line frequency as time base when power is present.
• The contractor must provide a warranty for parts and labor for a minimum of 5 years from the date of acceptance.