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Summary of Contents for Leviton FEBC
- Page 1 TECHNICAL MEMO Operation Fluorescent Electronic Ballast Controller FEBC © Copyright Arpil 2005 Leviton Manufacturing Co., Inc Original Document January 1993...
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Page 2: General Description
DC control voltage up to 12 Vdc. Figure 1 shows the block diagram of the FEBC circuit. Note that the contactors are not shown in this diagram. Containing 4 channels, the FEBC provides 4 analog output signals which may be adjusted to operate at full scale between 5Vdc and 12Vdc. - Page 3 NOTE: Termination is sometimes considered for long input control wire lengths. Shield Wire Isolation The shield wire is not normally passed through the FEBC product. Therefor, the receiver and transmitter shield wires are not connected togethler. transmitter shield wire is connected to the digital ground in the FEBC.
- Page 4 NON-DIM Select Since there are 4 relay drivers on this product, it is possible to use the FEBC relay drivers instead of the analog outputs. By selecting the NON-DIM function (dipswitch position #2), the relay drivers will operate as NON-DIMS providing a turn-on threshold which occurs at DMX512 50% output levels.
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Page 5: Devices Supported
C. Supply power to the FEBC. If power was already on when the dipswitch was changed, cycle power off and on again to put FEBC into calibrate mode.. All analog outputs go to full levels and the relays Wilt turn on in this mode. - Page 6 H. Reset the option dipswitch from the CALIBRATE function. Set switch #7 on S4 to the 'off' position. Cycle power off and on again to remove FEBC from calibrate mode. All analog outputs will reflect incoming signals or be set to zero levels.
- Page 7 6.0 CHARACTERISTICS The following specifications are typical design parameters for the Fluorescent Electronic Ballast Controller. These characteristics are based upon calculations and are not actually tested. 6.1 Electrical Power Characteristics Input Power 115 / 230 Vac 50/60Hz (Strapped) Data Input...
- Page 8 FEBC Operation Page 8...
- Page 9 LIGHT LEVEL VS PERCENT OUTPUT Percent Light Percent Light Level Output Linear Scale Figure 2 Comparison Between Linear and Square law Light Output FEBC Operation Percent Light Output Square Law Scale Page 9...
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