5 Implement Application Controller
80 FM-750 Display User Guide
Note – When using a prescription with the Rawson controller, the target rates in the
prescription must match the step sizes in the Rawson controller. For example, if the default
is 25000 and the step size is 4%, then the target rate values accepted by the Rawson
controller are 26000, 27000, 28000…40000. Otherwise, the Rawson controller may not be
able to apply the correct rate.
Default Rate
On the FM-750 display, set the same target rate that appears on the Rawson controller
when you first power up it up. Enter a number between 0 - 9999000.
Step Size
The step size increases or decreases the actual applied rate by the percentage that you
select. You can choose from one of the following settings:
• 2%
• 4%
• 6
2
/
3
%
Rate Snapping
Due to pump constraints, liquid flow is generally inconsistent. To control how these
inconsistencies appear on your display, turn rate snapping on or off.
Setting ... Notes ...
On Matches the actual applied rate to the target rate when within 10% of the value.
Off Shows all fluctuations in the actual applied rate.
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