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5.12 WATLOW Series 988 User’s Manual
Operation Menus, Chapter 5
Operation-PID A or B
Rate, Output 1A or 1B
Adjust the rate to eliminate overshoot on startup or after the set
point changes. The rate setting will not influence the percent power if the
process temperature is more than twice the proportional band from the set
point. When set to [```0] rate is disabled.
[rA1A] This prompt appears only if [`dfL] (Calibration Menu) is set to
[``US] and [Pb1A] is set higher than [```0].
Default
↓
[`)00] … [`(99] min.
[rA1A] [rA1A]
Derivative, Output 1A or 1B
Adjust the derivative to eliminate overshoot on startup or after the
set point changes. The derivative setting will not influence the percent
power if the process temperature is more than twice the proportional band
from the set point. When set to [```0] derivative is disabled.
[dE1A] This prompt appears only if [`dFL] (Calibration Menu) is set to
[``SI] and [Pb1A] is set higher than [```0].
Default
↓
[`)00] … [`(99] min.
[dE1A] [dE1A]
[rA1A]
[rA1b]
[dE1A]
[dE1b]
˜
NOTE:
The PID B Menu
appears only on
controllers with
enhanced software
(98_B-_ _ _ _-_ _ _ _).