FCU 500, FCU 505 · Edition 02.17 97
Parameters
FCU RBW (three-point step control)
Contact between terminals Position Butterfly valve position
53 55 Ignition Minimum/Ignition capacity
53 56 0–20 mA
Any position between minimum
and maximum capacity
53 54 Purge Maximum capacity
Manual mode
In Manual mode, no external controller is enabled dur-
ing the controller enable procedure. The actuator can
be moved to the positions for maximum capacity or ig-
nition capacity by the user. 3-point step operation is not
possible. No timeout is active when approaching these
positions.
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