ProtEX-MAX PD8-6210 Explosion-Proof Analog Input Batch Controller
Instruction Manual
57
Automatic Batch Control
Operation
1.
System Setup
Both valves are closed with an empty barrel
in place. The batched total is displayed in the
main display, the preset is selected for the
second display. The batch could also be
controlled using the through-glass buttons on
the controller.
2.
Batch Start
The START button is pressed. Both valves
open. The barrel begins to fill.
3.
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.
4.
Completed Batch
When the batch is complete, the restricted-flow valve
closes. If overrun occurs, then the next batch will
adjust for this offset amount to maintain accuracy.
5.
Replace Full Barrel with Empty Barrel
After the batch is completed, the operator removes
the full barrel and places an empty barrel; the new
batch starts automatically after a user-defined
time delay of 60 seconds (Time Delay).
6.
Begin New Batch
The new batch begins automatically after 60 seconds,
both relays activate and both valves open.
7.
Stop Batch
At the end of the shift, press STOP twice to stop
the batch process.
