Flowlink 5.1 Software Instruction Manual - Isco

Isco Flowlink 5.1 ® Software
Site Window - 4100/4200/6700
The On trigger setting requires a trigger to be set up.
Pressing the Change Enable button opens the Equation
Builder to set up the trigger conditions. Once this has
been entered, the trigger is displayed in the “Enable
sampler when:” box.
Latch sampler enable - If this box is unchecked, the inhibit
line will continue to toggle between enabled and disabled as the
conditions change. When this box is checked, the inhibit line will
keep the sampler enabled once triggered, even if the condition no
longer exists. This state will not change until the Reset Latch
button is pressed.
Disable plotter when not sampling - When this box is
checked, the instrument’s plotter will only run when the sampler
is enabled.
Block access to front panel - When this box is checked, front
panel sampler enable changes are not possible and the flow
meter displays a message stating that the access has been
blocked.
Sampler Pacing
Flow Pulse
Control the sampler pacing by choosing one of the pacing options.
• No sampler pacing - The flow logger or flow meter will
not send flow pulses.
• Flow paced - paces the sampler at a rate proportional to
the flow rate by using volume intervals. Use the Change
Pacing button to set the interval.
• Trigger paced - paces the sampler at a time interval that
can change according to a triggered condition.
To set up trigger paced sampling:
1. Select the Trigger paced radio button. The Time paced
interval box becomes active.
2. Enter the When trigger is true interval in minutes. This
is the pacing interval while the trigger condition is met.
3. Enter the When trigger is false interval in minutes. This
is the pacing interval while the trigger condition has not
been met.
4. Set the trigger by pressing the Change Pacing button.
Build the trigger in the Equation Builder.
5. Press the Apply button.
Use this window to set the flow pulse interval. A flow pulse is a
50 millisecond pulse used to pace a sampler. Enter a value within
the minimum and maximum range listed.
It is important that this setting and the sampler’s pulses
between sampling events setting work together to produce the
desired volume interval. For example, if the flow meter sends a
flow pulse every 100 gallons, and the sampler takes a sample
every 10 flow pulses, the actual volume between samples is 1000
gallons.
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