Parameter Units Min Max Comment
Power Supply
Supply Voltage outside Canada V 18 32 Inc. ripple
Supply Voltage inside Canada V 18 30 Inc. ripple
Supply Ripple Vpk-pk - - 1
Detector Power Consumption (no heater) W - - 6
Detector Power Consumption (inc. heater) W 6 15
Heater Power Consumption W 0 12
Detector shutdown voltage (low supply) V
<17
RS485 Transceiver Meets EIA-485 Standard Specification
Line Termination Resistor R - - 120
Driver Differential Output Voltage V 1.5 - - Typical 2.0
Driver Fan Out Unit Loads - - 255
Receiver Input Resistance R 96K
Receiver Unit Load
1/8
Video Driver (Twisted Pair)
Line Termination Resistor R - - 150 Recommended
Driver Output Impedance R - - 150
Driver Output Voltage
Terminated Vpk-pk 1.8 2.3 Typical 2.1
Un-terminated Vpk-pk 3.6 4.6 Typical 4.2
FDS301 Flame Detector FDS301 Safety and Technical Manual
30
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