ATI Model F12/D Gas Transmitter Part 4 – Operation
52
O&M Manual (Rev-H)
Alarm Setting Menus
The Alarm Setting Menus are accessed from the Alarms Menu and are used to configure the three gas
level alarms.
Figure 69. Alarm Setting Menus
Set the type of alarm as High, Low, or None. When set to High, the alarm becomes
active at and above the Set Level. When set to Low, the alarm becomes active at
and below the Set Level. Setting the value to None permanently deactivates the
alarm. The setting is stored in the sensor memory.
Set the gas concentration level at which the alarm becomes active. The alarm then
becomes active at the expiration of the Set Delay period. Changing Set Level
changes Res Level to the same value. Limits for the Set Level are maintained in
the gas sensor memory.
Set the gas concentration level at which the alarm becomes inactive. The alarm then
becomes inactive after expiration of the Res Delay period, and only if the Reset
setting is programmed as Auto – see below. The limits for the Res Level depend
on the alarm Type setting.
Type = High
Upper limit = Set Level
Lower limit = lowest Set Level
Type = Low
Upper limit = highest Set Level
Lower limit = Set Level
Changing Set Level changes Res Level to the same value.
Type= High
Set Level= 20.0
Res Level= 20.0
►More
Type= High
Set Level= 10.0
Res Level= 10.0
►More
Set Level= -10
Res Level= -10
►Reset=Manu
On Trouble=HOLD
Set Delay=0
►Reset=Auto
On Trouble=HOLD
Set Delay=0
►Reset=Auto
On Trouble=HOLD
Set Delay=0
Warning Test
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