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7 – Menus
49
Maintenance
Access
Successively press the keys
Menus
and
Maintenance
.
1 Line On/Off
Sets the line to stop (the line is not powered and the detectors are at stop; no
event can be generated from then on).
2 Detector On/Off
Sets the detector to stop (no event can be generated from then on) if it was not
issuing an alarm or failure.
3 Test On/Off
Allows for the verification of the proper operation of a detector. In this mode,
recordings and alarm relays are suppressed.
4 Simulation
Upon its selection, the message “The central unit no longer ensures detection” is
displayed.
□
The central unit no longer keeps account of inputs (detectors, logic inputs).
□
The simulation measurements/status are initialized to the current
measurement/status values. The relays, the internal buzzer, and the analog
outputs remain in their current status.
□
The screens, management of relays, outputs, etc. are those of Normal
operation.
□
The internal relay and the common default LED are activated.
□
To change the value of a detector, use the
keys to increase or decrease
the measurement value simulated from –15% to 115%. For a logic input, use
the
keys to select the input,
to select
Alarm
or
Alarm Off
.
□
The banner of alarms does not appear.
□
The events log indicates
Begin Simulation
and
End Simulation
.
□
Exit the simulation mode by pressing the
End simul
key. Automatic release
then occurs and resets the average values to zero. The current measurements
are displayed once more.
Information
1 Detectors
This displays the main information on the detector (type, range, detected gas).
2. Events
1. Alarm events
This displays, for each of the detectors concerned: detector ID, alarm type (Al1, Al2,
Al3, Al1mean, Al2mean, Al3mean, OVS), status (activated = ON or deactivated =
OFF) as well as the date and time of occurrence or of the release.
The letter “S” appears on the line if the events were obtained when the MX43 was in
Содержание MX 43
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