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ACM 150
3
After selecting the method, choose which of the gases you want to monitor.
A check mark indicates the gas is selected.
NOTE
If you limit the list to only those gases which might be present at the
sample point, it improves the quality of the analysis. Gases that are not
selected are not monitored on that point by the ACM 150 monitor.
4
Enter a value for the Alarm 1 and the Alarm 2 set points. Alarm 1 is the lower
value and can not be set higher than the Alarm 2 value. The set points should
be decided by EHS personnel or by established procedures.
NOTE
For points in occupied areas, most users set the Alarm 2 equal to the
TLV-TWA (if known) and the Alarm 1 to 50% of the TLV-TWA.
5
If using the Modbus/TCP interface, enter a unique number in the range
between 1 and 16 for each gas.
6
If the sample tube is installed and you are ready to monitor the point, select
SCAN ENABLED. A check mark indicates it is enabled.
7
After you complete your selections, press "SUBMIT CHANGES" to make
them active.
Order of scan
The Order of Scan defines the sequence of point scanning. Points may be scanned
in any order, and points may be repeated in the sequence. It is also possible to have
points in the sequence without making them active.
Reviewing the order of scan
Enabled points are distinguished by a filled blue circle. These points will be scanned.
Points with a blank circle will not be scanned. Scroll down the page to view the
complete sequence.
Figure 49. Enabling points to be scanned
Configuration key
For reference, a configuration key displays down the right side of the screen. This
key indicates which of the points are enabled in Point Configuration.
NOTE
Only points with Scan Enabled in the Single Point Configuration can be
scanned. The Configuration Key identifies the enabled points. Use this key as a
reference for the Order of Scan, enabling only those points which are active.
85
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