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It is the operator which requires EACH operand to be ACTIVE.
Example: the output module equation is: AND (L09 L15 L23).
Only if ALL THREE operands in this equation are in alarm, the output module will be activated, that is:
- IF the line L09 is in alarm, and
- IF the line L15 is in alarm, and
- IF the line L23 is in alarm
- THEN this output module will be activated.
It is the operator which DENIES the operand or the series of operands in brackets, which follow it.
Example: the equation of an output module is: NOT (L23).
The output module will remain activated until the line L23 will NOT switch in alarm, that is:
- IF the line L23 is in standby
- THAN the output is active.
- IF the line L23 is in alarm
- THAN the output is deactivated.
It is the operator that allows to programm the delays of activation for fixed conditions.
The device that has in his CBE equation the user "DEL", when the equation becomes true waits for the
programmed time to be activated.
If during this delay time his equation is not true, the timer is resetted and it is ready to start again for the next
event (the output device is not activated).
FORMAT : DEL (MM.SS (delay) MM.SS. (lenght - opzional) (CONDITION) equation that fix the beginning
of the delay)
MM = minuts (2 numbers), SS = seconds (2 numbers)
CONDITION = can be an equation as:
Element = Line number
AM-1224
AM-1224_manu
NOT (Element 1...Element 2...)
OR (Element 1...Element 2...)
AND (Element 1...Element 2..)
Installation and programming manual
Doc. M-124.1-AM1224-ENG Rev A.1
AND
NOT
DEL
PAGINA - 37
NOTIFIER ITALIA
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