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Each condition establishes itself an AND- or OR-group. Diagram 121 shows a condition,
which is an AND-group. The simple condition in this example does not contain
any other groups.
It is also possible to inverse the meaning of each checked state, of a group or of the
whole condition with the NOT-option. If this is done, then the appropriate item of the
condition is fulfilled, when the related object is not in the specified state or, if NOT is
applied to a group or the condition itself, if the result calculated for this group or condition
is ‘wrong’. Among others the NOT-option is interesting for objects with more than
two states. An example is a condition, that shall be fulfilled, if a three way switch is set
to one of the two diverging states. Instead of assigning the two diverging states of the
switch to the condition, it is also possible to use the third state (main leg) and apply the
NOT-option to it („if not set to main leg“).
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12.3 Operations
It is possible to assign several operations to a push button or on-off switch instead of a
digital address. Doing this, you are able to operate several elements with one single
push button or on-off switch. It is for example possible to change the state of several
signals, simultaneously, with one single on-off switch.
Each push button or on-off switch provides two sets of operations – one set for each
state (on/off) of the push button or on-off switch. In this way, you can turn a group of
related signals to green by turning on a certain on-off switch. The signals can be turned
to red again by turning off this switch.
Operations are specified by selecting the symbol of the push button, or on-off switch, in
the switchboard and using the Properties command of the Edit menu. In the following
dialog select the tab labelled Operations. Now select the state that will trigger the operation
– e.g. the state “on” of an on-off switch - as well as the elements that will be operated.