Omni 7000 Series User Manual

OMNI 4000/7000 Operations and Maintenance Guide – Rev F
6-30
Front Panel Operations
3.
a. Press OK to open the field for editing.
b. Make a known percentage step
change of output.
c. Press OK again to save the entry.
For example, from 20% to 22% equals a
10% change.
Note the percentage change of each process variable:
• Primary Gain Estimate = 0.75 (Primary Loop Gain)
• Secondary Gain = 0.75 (Secondary Loop Gain Estimate)
For example, 100 m
3
/hr to 110 m
3
/hr equals a 10% change in flow rate.
Estimate PID Repeats and Minutes
To estimate the repeats and minutes and fine-tune the gain, follow these instructions:
1.
a. In the PID Control screen, use the
arrow navigation keys to scroll down
and highlight Pri Rpts/Min.
b. Press OK.
c. Enter 40 as the new primary variable.
d. Press OK to save your changes.
2.
a. Scroll down and highlight
Sec Rpts/Min.
b. Press OK.
c. Enter 40 as the new
secondary variable.
d. Press OK again to save the entry.
3.
Press the Override function key on the
bottom left to enter the Manual Override
screen.
4.
Adjust the setpoints so that only the
primary variable is in control.
Go back to PID Control Tuning in Section
6.6.6 for instructions. When finished,
continue to Step 5.
5.
Press the Return button to go back to the
PID Control screen.

Omni 7000 Series Specifications

General

Brand	Omni
Model	7000 Series
Category	Desktop
Language	English