MT3401E.doc rev.0
21/05/13
Pagina 73 di 86
when typing in the LEL profile for alarm 3 the value of
“80” corresponding to 80 % of the
LEL this value will be corrected to “60” which is the maximum value specified in this
profile.
When leaving the screen after modification, the old and sets of parameters for the
channel are indicated with the modified values in red, in a windows. The modification
has to be confirmed with OK or may be cancelled.
Channels Redundancy
If the system requires a very high security level, two detectors are to be placed at each
measuring point.
“Profile”
and
“Gas Type”
have to be identical.
Fig. 4.5.5 f) Redundancy tab in the channel definition screen
Specifying a new redundant channel
The channel 1 of module 1 has been defined. After finishing the configuration of the
channel the TAB “Redundancy” is chosen. Because actually no redundant channel is
