PD4-6624 & PD4-6628 Loop-Powered Flow Rate/Totalizers
Instruction Manual
71
Manual Batch Control
The manual batch control feature is used for batch processes that the operator wants to start manually. It can also be
used where the batch size needs to be manually adjusted for each batch. The batch can be controlled using a
connected to the remote contacts.
System Setup
Both valves are closed with an
empty barrel in place. The batched
total is displayed in the upper
display, the preset is selected for
the lower display.
Batch Start
The START button or (F1) is
pressed. Both valves open. The
barrel begins to fill.
Preclose Valve
When the batch total reaches a
value of 50.00 (Preset [55.00]
–
Pre-close [5.00]) the full-flow valve
closes. The fill rate of the tank slows
as a result.
Completed Batch
When the batch is complete, the
restricted-flow valve closes. If
overrun occurs, then the preset
must be adjusted to compensate for
the overrun. The next batch will only
start after the START button or (F1)
is pressed.
Overrun Correction
To compensate for overrun in the
previous batch, adjust the preset to
54.90, so that the next batch is
accurate (55.00).
Manual Start of Next Batch
A new, empty, barrel is put in place
and the START button or (F1) is
pushed to manually start the next
batch.
Change Batch Size
While the process is stopped, a new
preset fill amount may be selected
with the Batch key (F2) for a
different size barrel.
Pause/Stop
At any time, press the STOP button
or Stop key (F3) once to pause the
process, or twice to cancel the
batch, which stops the process.
Resume Batch
If the batch has been paused, then
press START button or (F1) to
resume the batch process.
