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Control by event concept
Currently is available one formula (direct or reverse depending on the type of point) for each point
(sensor / module) of the system;
Multiple modules devices have a formula for each sub-address.
For example:
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M721 is managed as 3 sub-address
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MMX-10ME card is manages as 10 consecutive sub-address, etc
In addition to these CBE , is possible to setup one CBE for each GROUP
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And one CBE each ZONE.
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Inside each formula (CBE) can be programmed several items (points or groups) that:
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will be activated by ... : when the formula becomes «true» (direct CBE )
cooperate to calculate the «true» value of the formula: When becomes «true» the object is
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activated. (reverse CBE)
A typical programming of the control unit is defined as CONTROL-BY-EVENT EQUATION (CBE).
During the programming phase, a CBE equation must be associated with each point, zone or group
The CONTROL-BY-EVENT equation allows to program a series of conditions that the control unit will assess
when the Point, the Zone, the Group are ACTIVE, and will perform the programmed operations.
To define these conditions, perform the CBE equation by using some logical operators (OR, AND, XGRP, NOT,
DEL, SDEL and TIM).
The "ACTIVE" condition is valid when:
Input point (input modules or sensors) = in Alarm
Output point (output Module) = ACTIVATED
Group = one of the points of the group is Active
To be valid and accepted by the control unit, the control equation must follow some precise syntax rules. If
a syntax errors occurs, the CBE equation is refused.
The logical operators (ex. OR, AND, ...) which are valid for several operands, shall be written by following
this procedure:
The NOT logical operator is valid only for one operand, and shall be written before the corresponding
operand
If several operators are used, the first character of the equation must be a left-hand bracket, and the last
character must be a right-hand bracket.
Example
(OPERATOR (OPERAND- 1 OPERAND-2 ...) OPERATOR (OPERAND- 1 OPERAND-2 ...))
N.B. : A programmable CBE for output modules, contains the address of the objects which will activate
them, such as: input sensors, input modules or groups. If the module activation must occur for a
combination of various objects, the AND,OR, ect. operators must be used.
A programmable CBE for input sensors and modules, contains the address of the objects to be
activated in case of alarm, which may be output modules or groups. If it is necessary to activate a series
of objects, just re-write them in sequence, without using any operator.
The following format can also used:
Example : AND(G1G2)OR(G3AND(G4G5))
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NOTIFIER ITALIA
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RULES FOR THE CORRECT SYNTAX OF THE EQUATIONS
OPERATOR (OPERAND-1 OPERAND-2 ...)
Programming Manual
Doc. M-162.1-AM8200-ENG Rev A2
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AM8200_manu-prog-ENG
AM_8200
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