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E-022-4-E
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Fig.8
3.5.2 H/L Alarm (View H/L alarm)
①
Click on "Process Variables (V)" at top-level menu, select "View H/L alarm", and click on again.
A message box for H/L alarm then appears as shown in Fig. 8.
②
At View H/L alarm, the "H/L alarm status" changes from "No Triggered" to "Triggered" when the selected
item at "H/L alarm vars" of "Status output" reaches "High alarm point" or "Low alarm point," and the
Status output changes from "ON" to "OFF."
In this connection, "H/L alarm status" is valid only when "H/L Alarm" is selected at "Status output func"
.
As long as your option is other than "H/L Alarm," the "H/L alarm status" does not change to "Triggered"
whether or not the setpoint is exceeded, and the status output also remains unchanged at "ON."
③
To hide the H/L alarm message box, click on "Cancel."
3.5.3 Measure Total Flow (Totalizer cntl)
①
Click on "Process Variable (V)" at top-level menu on the screen, select "Totalizer cntl"
, and click on
again. A message box for measuring the total flow appears as shown
in Fig. 9.
Fig.9
②
Total flow comes in "F-Total"
,
"R-Total" and "Diff-Total"
.
・
"F-Total"
:
Counts up while the fluid flows in the direction (forward) set at "Flow direction."
・
"R-Total"
:
Counts up while the fluid flows in the reverse direction with "Bi Direction" selected at "Status
output func"
.
・
Diff-Total"
:
Means a relationship "Diff-Total = F-Total−R-Total" and is equal to "F-Total" except "Bi direction"
is selected.
Here, the flow direction indicated on the flowmeter is regarded as "forward direction" when "Flow direction"
is "Forward"
.
The flow direction opposite to the arrow direction indicated on the flowmeter is regarded as
"forward direction" when it is "Reverse"
.
③
At this message box, you can "Start"
,
"Stop" or "Reset" the total counter. Remember that "Start"
,
"Stop" and "Reset" are valid for the total counter reading, and by no means affect the pulse output.
④
To hide the message box for total flow measurement, click on "Cancel."
Summary of Contents for EL 2310-05E Series
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