LED DRIVERS – DISTRIBUTED I/O NETWORK
Tunnel Lighting Control System
T57-6 system is design for remote, network or fiber optic communication.
| SCOPE |
APPLICATION |
| Structure |
- Unidirectional
- Bidirectional
- Long tunnel
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Inside the T51-3 System NEMA 3R, 4X or 12 enclosure.
(Pre-wired and tested to UL508A (CAN/CSA C22.2.0014-M91)
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Major Components
Note: Incoming power of 120 VAC, additional Transformer 480/277 VAC.
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- Normally closed electrically held relay
- Power distribution
- Fuses
- Normally closed contactor
- Main controller: T57
Twelve output channels for night and two daytime light levels.
Hold-On timer, (0-160 min)
|
| Output channel |
- Hi/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
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Signal Dimming Methods
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- RDE – Remote Dimming Enclosures
- RNE – Remote Network Enclosures
- RFE – Remote Fiber Optic Enclosures
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| Input into the T57 controller |
- MAS sensor
- TMAS sensor
- TLUM sensor
- Receives 4-20mA signal.
- Adjustable deadband.
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