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Section 2 | ||
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2.6.8 TOTALIZER MODE
The Totalizer function operates in any of the modes listed below:
MODE | FLOW DIRECTION | NOTES |
POSFLOW | positive flow | Accumulates flow in positive direction only |
NEGFLOW | negative flow | Accumulates flow in reverse direction only |
NETFLOW | positive or negative | Adds to positive total; subtracts from reverse total |
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NETFLOW (default) is best for applications where there may be zero flow for long periods. It mini- mizes false Totalizer register increments due to data scatter. Press the <Down Arrow> to accept the default setting.
To select a Totalizer Mode:
To access the [Totalizer Mode] option list press
Move the cursor to the required Totalizer mode by pressing
To store selection press ENT
2.6.9 BATCH/SAMPLE TOTAL
The meter maintains a separate totalizer register for Batching or Sampling applications. Unlike the Flow Total registers, you cannot access this register directly. It is used for relay control only. If you assign the system relay to this function, a momentary (200 mS) relay pulse occurs whenever the BATCHTOT register accumulates a specified liquid quantity. You enter the total flow volume required to activate the relay in the Batch/Sample Total menu cell. The numeric entry must reflect the selected flow total units. The Totalizer Display Scaling menu cell shows the applicable flow total units. The sign of the Batch/Sample Total determines positive or negative accumulation.
NOTE: The Batch/Sample total relay requires the same consideration for exceeding the maximum pulse rate as the TOTCNT relay (see Total Resolution).
To enter a Batch/Sample Volume:
To activate numeric entry press
Use the numeric keys to type the desired Batch/Sample TOT accumulation.
To store data press ENT
2.7THE DATA SPAN/SET/CAL MENU
This menu becomes available after picking a Meter Type and Measurement Channel. However, some functions will only be active after the transducers are installed and operating properly.
Use the Data Span/Set/Cal menu to set the range for analog outputs and setpoints for Alarm relay outputs. Additionally, the Calibrate Flow Rate menu allows you to apply external adjustments to the meter’s intrinsic primary outputs.