4230 Flow Meter
Section 2 Programming
2-45
2.10 Step 4 - Reset Totalizer This step allows you to reset the flow meter's internal flow
totalizer. Note that there is the possibility of more than one
totalizer. All 4200 meters have the capability of maintaining a
separate totalizer for the time the sampler is enabled through
the sampler enabling feature (step 6).
If you select step 4, the following will appear: If you select NO,
the flow meter will advance to the next step. If you select YES,
the flow meter will reset the internal totalizer to zero.
Then, if you have sampler enabling turned on (step 6), the flow
meter will ask you whether you want to reset the totalizer for the
total flow during the time the sampler was enabled. (See step 6
for an explanation of sampler enabling.)
(Other units of measure may appear.) Then:
2.11 Step 5 - Sampler
Pacing
This step determines how the flow meter will signal an asso-
ciated automatic wastewater sampler to take a sample. The flow
meter and sampler must be connected together with a cable. The
flow meter sends flow pulses to the sampler. The sampler uses
these flow pulses as counts. When an appropriate number of flow
pulses has been received by the sampler, it will take a sample.
If you select step 5, the following will appear:
VOLUME will not appear if the flow meter is measuring level
only, or is being used for parameter monitoring.
The FLOWLINK menu option will not appear unless
FLOWLINK, Isco's proprietary data acquisition and storage
software, is installed and pacing has been downloaded from
FLOWLINK.
If you select DISABLE for sampler pacing, the flow meter will be
effectively disconnected from the sampler. The sampler will run
its program as if the flow meter weren't there. Selection of
DISABLE will also cause the flow meter to advance to the next
program step. If you select VOLUME for sampler pacing, the fol-
lowing will appear:
(Range is max. flow ÷ 10 to max. flow × 10,000)
RESET TOTALIZER
• YES • • NO •
ENABLE TOTALIZER
XX CF
PRESS 'ENTER
RESET SAMPLER ENABLE TOTALIZER
• YES • • NO •
SAMPLER PACING
• DISABLE • • (VOLUME) • • (FLOWLINK) • • CONDITIONAL •
SAMPLER PACING
ENTER PACING VOLUME XX.XXXX (units)
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