Watlow CLS200 - Manual (Page 78)

Chapter 3: Using the CLS200 CLS200 Series User’s Guide
62 Watlow Anafaze Doc.# 0600-3050-2000
Go to the next subsection, Manual Output Levels.
– or –
press
NO if in AUTO to cancel and remain in AUTO mode.
4. Select a mode by pressing the up or down key (YES or
NO) to scroll through the modes.
5. Press ENTER to make the mode change
– or –
press
BACK to return to the single loop display without
saving the new mode setting.
6. If you set the loop to manual, you are prompted for the
output power. Go to Manual Output Levels below.
Manual Output Levels
If the loop to is set to manual control, the controller
prompts for output levels for the enabled control outputs.
Use this menu to set the manual heat and cool output lev-
els. You should see a display like this:
1. Press YES to change the output power level. (If the heat
outputs are enabled, you will be able to change the
heat output power level. If only the cool outputs are
enabled, you will be able to change only the cool output
power level.)
– or –
Press
NO to go to the cool output, if available, and then
press YES to change the cool output.
2. Press up or down
(YES or NO) to select a new output
power level.
3. Press
ENTER to store your changes
– or –
press
BACK to discard your changes and return to sin-
gle loop display.
4. Repeat from Step 1 for the cool output, if available.
5. Press BACK at any time to discard your changes and
return to single loop display.
Autotuning a Loop
Autotuning is a process by which a controller determines
the correct PID parameters for optimum control. This sec-
tion explains how to autotune the CLS200.
Prerequisites
Before autotuning the controller, it must be installed with
control and sensor circuitry and the thermal load in place.
ALARM
01 SET HEAT
OUTPUT? 90%