Data Industrial 330 Owner's Manual page 6

Relay control
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Data Industrial
Model 330 Owner's
Definitions:
High Alarm – A condition where if the flow rate exceeds the set point, The relay is energized.
Low Alarm - A condition where if the flow rate drops below the set point, The relay is energized.
Set Point – The flow rate that will trigger the event. i.e. energize the relay.
Release Point – The flow rate that will de-energize the relay.
Set Point Delay – a time interval in seconds between the point when the flow rate crosses the set
Release Point Delay - a time interval in seconds between the point when the flow rate crosses the
Latch – A function that will hold the relay in the energized state until reset even if the flow rate crosses
the release point
Remote Reset - Reset is the ability to interrupt all timing functions and return them to the initial
Filter Coefficient - An averaging routine that smooths out unstable flow. The non-linear reference
6. Program using diagram below as a reference.
Step 1
Select the flow sensor type (pulse,
sine, 4000) and enter in a k and
Offset.
See note #1
.
Step 4
Enter in the high or/and low alarms.
See Note #2.
Step 5
Press send to transmit calibration
data to the 330.
Press to refresh the parameters
screen with the current 330 settings.
6
Manual
point and the relay energizes.
release point and the relay de-energizes.
programmed settings and/or de-energize the relay coil that has been latched as a
result of an alarm function.
This reset may be accomplished by momentarily disconnecting the power supply or
connecting an external device to the reset terminals
scale from 0-9 defaults to a value of 2. Do not change unless flow changes
interfere with the control functions.
Step 2
Select the desired flow
rate units.
Step 3
Select the desired Alarm
Type (high, low, both off).
Step 6
Press to exit parameters screen and
to go back to main screen.
Press to restore the factory default
settings to the screen. Must press
"send" before values take effect.

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