Dynalco AF-900PC Air/Fuel Ratio Controller - Manual (Page 37)

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RPM/RELAY CONFIGURATION SCREEN
This screen (Fig. 17) sets up the RPM channel and the action of the relays.
RPM/Relays Configuration Screen
Figure 17
RPM Configuration:
Current RPM: Displays the current running speed of the engine.
Number of Teeth: Enter the number of teeth on the flywheel when using a
magnetic pickup for speed input indication.
RPM Filter: Sets the amount of filtering for the RPM display. With a minimum
setting of 0.01, the RPM display will be averaged over 100 readings. There is no
filtering with a maximum setting of 1.00. Typically set at 0.1.
RPM Start Delay (sec): Sets the time interval for the controller and will remain in
the START mode when the engine is started. When in START mode, the fuel
valves are forced to START % allowing the engine to stabilize before attempting
automatic control. The minimum time is 0, maximum time is 300 seconds.
RPM Start Threshold: Sets the minimum engine speed on start for the engine to
be considered running. Minimum setting is 30 RPM. This parameter is used only
when using a magnetic pickup for speed sensing.