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FCS - Operation Manual
Rev. C | 2022.02
will respond:
• L = Low
low alarm level reading
• M = Mid
mid alarm level reading
• H = High
high alarm level reading
• I = IDLH
IDLH alarm level reading
• F = Fault
system Fault
• - = none
will not be activated
• D = Digital
non gas related logic (such as Time of Day)
• T = TWA
TWA calculation
• S = STEL
STEL calculation
Strobe:
If there is a remote strobe (or strobe/horn combo) connected to the RDM, use the
- or + to choose a condition upon which the strobe will respond:
• L = Low
low alarm level reading
• M = Mid
mid alarm level reading
• H = High
high alarm level reading
• I = IDLH
IDLH alarm level reading
• F = Fault
system Fault
• - = none
will not be activated
• D = Digital
non gas related logic (such as Time of Day)
• T = TWA
TWA calculation
• S = STEL
STEL calculation
NOTE:
The buzzer and strobe that is connected to the RDM will only be triggered by the
channels being displayed on that RDM.
Once the priority has been created, you need to go to Channel Logic and assign the priority
to each channel you want to be displayed on the RDM. Refer to Section 12.1 Assign Priority
Levels to Channels.
NOTE:
You can also choose how the selected channels are displayed - either scrolling by line
or scrolling by page. Refer to Section 6.3 Configure RDM Remote Display(s).
For an example of using the RDM Channel Select Priority, refer to Section 12.4.5 RDM
Channel Select Priority Example.
12.4 Examples of Using Priorities
The logic control and flexibility of the priority level structure in the FCS is unlimited, allowing
numerous monitoring and alarming configurations. Here are a few examples of how to use
the different priority types.
NOTE:
The priority numbers, channel numbers and relay numbers used in the examples are
arbitrarily chosen. In real life it is common to start with the first unused number and proceed