Sensor Electronics SEC Millenium Series Instruction And Operation Manual page 208

By choosing one of the relay latch mode text boxes (low, mid, high or fault) touching
the associated current value, the new value can be selected using the popup keypad. You
may continue to change the other relay latch modes as long as you remain on this screen.
If you wish to cancel the changes, simply press the "Alarm Levels" button to navigate
back to the "Alarm Levels" Screen.
This setting changes the behavior of the SEC 3100 relays, as follows (for version
2.1.0095+);
1. Normal Mo
remains activated until the Gas level drops below the Alarm trigger
(threshold) level.
2. Latching
remains activated r
3. Audible Mode- as
rema ins activated until either the
threshold, or
reactivate un
again rises above the Alarm
For SEC 3100 versions < 2.1.0095, the screen appears as shown on the following
pag e:
Sensor Electronics Corporation
5500 Lincoln Drive
Minneapolis, Minnesota 55436
th
September 29 , 2006
de- as an Alarm level is trigge
Mode- as an Alarm Leve
egardless of the Ga
an Alarm Level is tri
the user "Silences" the alarm
til the gas level has fallen b
threshold.
Page 25 of 66
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red, its relay is activated and
l is triggered, its relay is activated and
s Level until the relay latch is reset.
ggered, its relay is activated and
Gas Level drops below the Alarm
. Once "silenced" it will not
elow the Alarm threshold and
Supervisor Operator's
SEC 3500 OI
Manual
Version 2.1.0095