AM_8200
Programming Manual
PAGE - 49
AM82000_manu-prog-ENG
Doc. M-162.1-AM8200-ENG Rev A2
NOTIFIER ITALIA
This signalling can be used as a warning to perform a cleaning of the sensor optical chamber. This function is a
general enable parameter valid for all the control unit points. The DRIFT WARNING function does not replace
the maintenance request signalling, which in any case is always enabled. It is signalled when a sensor detects,
for more than 36 consecutive hours, a value higher than 80 % of the alarm threshold.
Serial number check
By enabling this function, the central unit during self-recognition stores the serial number (which is unique) of
the devices present on the lines and is used to control the replacement of field sensors or modules, resulting in
an invalid fault message .
Detectors Prealarm threshold
Programmable FROM 30% ÷ 99% ( Default 70%)
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To change one or several parameters in this folder select the parameter through the arrow keys
(the
characters of the selected field are in Reverse), press the enter key and use the arrow keys
to change
the parameter; at the end press the enter key to confirm the datum.
By
increasing
the values of each parameter, the control unit becomes less sensitive for the Fault signaling for
the Points installed on the lines.
By
decreasing
the values of each parameter, the control unit becomes more sensitive for the faults signaling for
the Points installed on the lines, moreover the Fault warning message is activated:
“Line changed par.”
Enter the parameter to signal the fault for invalid answer
(expressed in number of interrogation polling on the line)
Default value = 05
Enter the parameter to signal Type ID erroneous fault
(expressed in number of interrogation polling on the line).
Default value = 08
Enter the parameter to signal the off circuits fault,
(expressed in number of interrogation polling on the line).
Default value= 10
Enter the parameter to signal a fault for low chamber value
(expressed in number of interrogation polling on the line).
Default value= 20
Enter the parameter to signal the maintenance breakdown,
(expressed in minutes) Default value = 216
By selecting “NO” the print and storage
in historical file of events in alarm from
the input modules programmed with
Type-ID
“NONA”
is disabled
To change the
function press the enter key use the
arrow keys
to change the parameter; at the end
press the enter key to confirm .