ABB i-bus EIB Product Manual page 20

®
ABB i-bus EIB / KNX
© 2004 ABB STOTZ-KONTAKT GmbH
Application and planning
Special functions
The actuator can trigger specific special positions during "Forced
positioning", "Valve purge" and "Safety position". The following diagram
provides an overview:
1 bit
Output follows
object "Switch"
Fig. 7: Prioriy of the special functions (flow chart)
Start
Is forced
yes
positioning
active?
no
Valve opened to
Is valve
yes
purge
duration of valve
active?
no
Is fault
yes
mode
active?
no
Type of
1 byte
control
Control acc. to
object "Control
value (PWM)"
Trigger forced
postioning
maximum for
purge
Trigger safety
position
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