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FEBC Operation 

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 

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 

Opto-coupled Zero Crossing 
1A @ 240 Vac 
 

Contactor Parameters (in packaged FEBC product) 

Normally Open Contacts 
20A @ 120 Vac 
10A @ 240 Vac 
10A @ 277 Vac 
(Derate to 10A for ballasts) 
 

6.2 Physical Characteristics 
 
Temperature 

+32 to +140 degrees Fahrenheit 0 to +60 degrees Centigrade 
 

Humidity 

90% relative humidity (non-condensing) 
 

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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