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4.38 WATLOW Series 988 User’s Manual
Setup Menus, Chapter 4
Setup-Global
Algorithm
Select the control algorithm.
• [`Pid] selects one set of PID prompts.
• [`Pdr] selects proportional/derivative control with manual reset in per-
cent power.
• [Pid2] selects two complete sets of PID prompts. This selection does not
appear if [CntL] is set to [CSCd].
• [dUPL] selects duplex (heating and cooling) control. This prompt does
not appear unless output 1 is a process output.
[ALGO] This prompt appears only on controllers equipped with enhanced
software (98_B-_ _ _ _-_ _ _ _).
Default
↓
[`Pid] [`Pdr] [Pid2] [dUPL]
[ALGO] [ALGO] [ALGO] [ALGO]
PID 2 Crossover Selection
Select which parameter determines the crossover from PID A to PID
B: process [Proc]; set point [StPt]; or none [``no].
[Pid2] This prompt appears only on controllers with [ALGO] set to [Pid2].
Default
↓
[Proc] [StPt] [``no]
[Pid2] [Pid2] [Pid2]
[ALGO]
[Pid2]