T57-6 System LED DRIVERS – DISTRIBUTED I/O NETWORKTunnel Lighting Control SystemT57-6 system is design for remote, network or fiber optic communication. SCOPE APPLICATIONStructureUnidirectionalBidirectionalLong tunnelInside the T51-3 System NEMA 3R, 4X or 12 enclosure.(Pre-wired and tested to UL508A (CAN/CSA C22.2.0014-M91)Major ComponentsNote: Incoming power of 120 VAC, additional Transformer 480/277 VAC.Normally closed electrically held relayPower distributionFusesNormally closed contactorMain controller: T57Twelve output channels for night and two daytime light levels.Hold-On timer, (0-160 min)Output channelHi/Low Voltage Trim, (0-100)Hi/Low Output Trim, (0-100%)Hi/Low Setpoint Value, 0-xx Footcandle (Cd/m2)Fade/Rise Time, 0-60 seconds Signal Dimming MethodsRDE – Remote Dimming EnclosuresRNE – Remote Network EnclosuresRFE – Remote Fiber Optic EnclosuresInput into the T57 controllerMAS sensorTMAS sensorTLUM sensorReceives 4-20mA signal.Adjustable deadband.