Service manual

DCB, DCFCB and DCFCTB Models
Control Cabinet Functional Descriptions ................................................................................................................ 13
Communications/Controller Board Layout ......................................................................................................... 15
ACFCTB Communications / Controller Board Layout ...................................................................................... 15
Transceiver Interface ............................................................................................................................................... 25
Transmit Audio ................................................................................................................................................... 25
Receive Audio..................................................................................................................................................... 25
PTT ..................................................................................................................................................................... 25
+12 VDC ............................................................................................................................................................. 25
Carrier Detect ...................................................................................................................................................... 26
Sensors and Sensor Inputs ....................................................................................................................................... 26
AC Sensor (built-in) ............................................................................................................................................ 26
Low Battery Sensor (built-in) ............................................................................................................................. 26
Digital Inputs for Rotation Sensor ...................................................................................................................... 26
Digital Input for Current Sensor ......................................................................................................................... 27
Digital Input for Intrusion Sensor ....................................................................................................................... 27
Digital Input for Pressure Sensor (not used with 2001-130 sirens)..................................................................... 27
Relay Outputs .......................................................................................................................................................... 27
Speaker Output ........................................................................................................................................................ 28
Monitor Received Audio ..................................................................................................................................... 28
Remote Public Address ....................................................................................................................................... 28
Audio Function Generator Option ...................................................................................................................... 28
Landline and Local Pushbutton Activation ............................................................................................................. 28
Control Board Power Input ..................................................................................................................................... 29
DTMF Decoding and Encoding Formats ................................................................................................................ 29
Decoding Format ................................................................................................................................................ 29
DTMF Encoding Format ..................................................................................................................................... 29
THEORY OF OPERATION ......................................................................................................................... 30
Control Board Theory of Operation ........................................................................................................................ 30
Description of DCFCTB Block Diagram ............................................................................................................ 30
Software Description of DCFCTB Encoding Format ......................................................................................... 36
Chopper Motor Current Sensor Theory of Operation ............................................................................................. 38
Overview ............................................................................................................................................................. 38
Circuit Description .............................................................................................................................................. 38
Rotator Motor Current Sensor Theory of Operation ............................................................................................... 41
Overview ............................................................................................................................................................. 41
Electrical Specifications ...................................................................................................................................... 41
Connectors .......................................................................................................................................................... 42
Circuit Description .............................................................................................................................................. 42
Battery Charger Theory of Operation...................................................................................................................... 43
Overview ............................................................................................................................................................. 43
Circuit Description .............................................................................................................................................. 44
PROGRAMMING SOFTWARE .................................................................................................................. 47
FSPWARE .............................................................................................................................................................. 47
The Commander
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Digital System Software (SFCDWARE) .............................................................................. 47
INSTALLATION .......................................................................................................................................... 48
Recommendations on Control and Battery Box Location ....................................................................................... 48