Ganz Security ZN1A-B4DMZ56U-1 GXi Series VCA Interface Manual - Page 51

Clause Types, Rule Clause, Not Clause

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Ganz GXi Series VCA Interface Manual V3.05.31.18 Clause Types There are many different types of clause which can be combined in different ways to create logical rules. Most clauses also have configurable parameters which give logical rules the flexibility to fulfill a wide variety of purposes. Rule Clause The 'rule' clause allows another rule (standard or logical) to be used as an input to a logical rule. It is one of the most frequently used clauses because it allows all standard VCA rules to be used as inputs to logical rules. Large logical rules can also be broken down into smaller components that can be re-used by including them in other logical rules with the 'rule' clause. The following example shows a simple logical rule which copies the output of a standard presence rule. Not Clause The 'not' clause takes input from a different clause and inverts the state, the result being that it produces output events whenever the input clause is not triggered. The events that are produced do not contain any target or zone information. The example below has a logical rule which produces output whenever the input presence rule is not triggered. 05-2018-A 50 | P a g e

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05-2018-A
Ganz GXi Series
VCA Interface Manual V3.05.31.18
50 |
P ag e
Clause Types
There are many different types of clause which can be combined in different ways to create logical rules.
Most clauses also have configurable parameters which give logical rules the flexibility to fulfill a wide
variety of purposes.
Rule Clause
The 'rule' clause allows another rule (standard or logical) to be used as an input to a logical rule. It is one
of the most frequently used clauses because it allows all standard VCA rules to be used as inputs to
logical rules. Large logical rules can also be broken down into smaller components that can be re-used by
including them in other logical rules with the 'rule' clause.
The following example shows a simple logical rule which copies the output of a standard presence rule.
Not Clause
The 'not' clause takes input from a different clause and inverts the state, the result being that it produces
output events whenever the input clause is not triggered. The events that are produced do not contain
any target or zone information.
The example below has a logical rule which produces output whenever the input presence rule is not
triggered.