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TECHNICAL MEMO 

 

Operation 

 

Fluorescent Electronic Ballast Controller 

 

FEBC 

 
 
 
 
 
 

 
 
 
 

 

© Copyright Arpil 2005 Leviton Manufacturing Co., Inc 

Original Document January 1993

Summary of Contents for FEBC

Page 1: ...TECHNICAL MEMO Operation Fluorescent Electronic Ballast Controller FEBC Copyright Arpil 2005 Leviton Manufacturing Co Inc Original Document January 1993...

Page 2: ...witche s located at the edge of the card 4 consecutive dimmer values are sampled from the optoisolated DMX512 or CMX serial signal and processed by the FEBC s microcontroller Analog outputs represent...

Page 3: ...Therefor the receiver and transmitter shield wires are not connected togethler transmitter shield wire is connected to the digital ground in the FEBC If it is desired to connect the input shield to t...

Page 4: ...are law output drives the analog voltage output differently than lineair output When data is received by the FEBC it is converted into the Square law output It is theorized that square law compensatio...

Page 5: ...he following electronic ballasts ADVANCE MARK VII Cat No RDC 140 TP single ADVANCE MARK VII Cat No RDC 240 TP dual The FEBC is also capable of driving other analog loads However the product is not tes...

Page 6: ...4 Adjust Potentiometer R21 for the desired full scale output voltage G Connect a voltmeter between the AN4 terminal and any RET terminal on connector P4 Adjust Potentiometer R22 for the desired full s...

Page 7: ...Input DMX512 CMX Serial Data RS485 compatible Analog Signal Output Source Current 20 mA 12 Vdc short circuit protected Sink Current Advance ballasts use this parameter 20 mA 2 Vdc Contactor Drivers O...

Page 8: ...FEBC Operation Page 8...

Page 9: ...Percent Light Level Percent Light Output Percent Light Output 0 0 0 10 10 1 20 20 4 30 30 9 40 40 16 50 50 25 60 60 36 70 70 49 80 80 64 90 90 81 100 100 100 Linear Scale Square Law Scale Figure 2 Co...

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