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Fixing Instructions Doc. version 2
FV400
Triple IR Flame Detectors
RS485 and Video
Fig. 12: RS485 and Video Wiring Diagram
EOL Termination resistor (100R) to be fitted at each end of RS485 bus.
Dotted lines show the connections to the next detector on the RS485 network. If this is the last detector in the
network, then fit the EOL resistor as shown.
RS485+
RS485-
VIDEO To PASSIVE
Or
100R
RS485+
RS485-
Resistor
ACTIVE Balun
EOL