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Art. No. DS 4092 TS
4.2.4.4.5 Disabling function for extension inputs
The extension inputs can be separately disabled via the bus using 1-bit objects. With the
"Switching" function, it is possible to disable the two switching objects of an input independently
of each other.
With an active disabling function, signal edges at the input are ignored by the device related to
the affected objects.
Each input or each switching object can execute a specific independent reaction at the
beginning or end of a disable. This reaction is specified on the parameter page
"Ix - disable" (x = 1, 2, 3) in the ETS and is dependent on the edge evaluation defined for the
affected input. In so doing, it is possible to configure to "No reaction". Only in this case are
dimming or Venetian blind control operations or value adjustments completed during an active
disable and only then the input locked. In all other cases, the configured disabling command is
executed immediately at the beginning of disabling.
In the "Transmit current input status" setting, the device evaluates the current static signal
status of the input and, according to this, transmits the appropriately configured telegram to the
bus (contact closed at the input = telegram as with rising edge; contact open at input = telegram
as with falling edge).
A disabling function is activated or deactivated by the corresponding 1-bit object. The telegram
polarity can be set in the ETS for each disabling object. The disabling object is always inactive
after a device reset. Even with an inverted polarity "Disabling = 0 (Enabling = 1)", a "0" telegram
must first be received after a reset until the appropriate disabling function is activated.
i
Updates to disabling objects with the same telegram polarity (disabling -> disabling or
enabling -> enabling) do not show a reaction.
i
With cyclical transmission in the "Switching" function: during an active disable, cyclical
transmission does not take place via the disabled input switching object. Cyclical
transmission is continued immediately at the end of the disabling with the last object value
written to the object, providing that the transmit criterion for cyclical transmission is fulfilled
(transmit on ON, on OFF or on ON and OFF).
Page 85 of 143
Software "Rotary sensor with extensions 10FE1x"
Functional description