Fireye BurnerLogiX ZB110 Manual page 28

FIGURE 8.
CONTROL VARIABLE CONFIGURATION SUB-MENU
PRESS KEY FROM BOILER PARMS LOOP
MODE
CUT OUT
CUT IN
PCV INPUT
PRESS
Scrolls through menu, clockwise, decrement value
NEXT
Scrolls through menu, anti-clockwise, decrement value
PRESS
BACK
PRESS
MODE Key at anytime to exit sub-menu
RESET
To be modified/saved
PRESS
MODIFY
Note: Example shown is 0-30 psig steam sensor. Use PCV INPUT to select steam.
Use PCV USE to select sensor type.
When selecting these values, the following rules may prove helpful:
1.
Select a value of MOD RNG to give desired result
2.
Add a derivative term to improve (reduce) the overshoot
3.
Add an integral term to eliminate the steady-state error
4.
Adjust MOD RNG, INTEGRAL, and DERIVATIVE until the desired overall response is
obtained.
Keep in mind that it is NOT necessary to implement all three variables (proportional, derivative, and
integral) into a single system. For example, if a PI controller gives a good enough response, then you
don't need to implement derivative controller to the system.
28
MDFY TO CHANGE
2.0P
MDFY TO CHANGE
2.3P
MDFY TO CHANGE
STM STPT 20.0P
MDFY TO CHANGE
PCV PRES 30.0P
START HERE
MDFY TO CHANGE
STEAM
MDFY TO CHANGE
MOD RNG
MDFY TO CHANGE
MRGNL ALM
MDFY TO CHANGE
LIMIT ALM
MDFY TO CHANGE
INTEGRAL TRM
MDFY TO CHANGE
DERIVATV TRM
FROM
CTRL VAR
CONFIG >
®
1.5P
24.0P
25.0P
0
0