Omron E5*D series User Manual page 259

w-ht
This parameter is used to enable or disable water-cooling output adjustment.
• This parameter is used to suppress hunting caused by the water-cooling output from a
water-cooled extrusion press.
Function
• The set value of the Proportional Band (Cooling) parameter is automatically adjusted.
Setting
 Related Parameters
Water-cooling Proportional Band Increase Threshold (Adjustment Level): Page 6-25
See
See
Water-cooling Proportional Band Decrease Threshold (Adjustment Level): Page 6-26
w-il
This parameter sets the threshold to detect hunting for water-cooling output adjustment.
• This parameter sets the threshold for the temperature variation that is used to detect
hunting. If the variation exceeds this threshold, the cooling proportional band is adjusted
Function
to reduce hunting.
• Normally, use the default for this parameter.
Setting
 Related Parameters
Water-cooling Output Adjustment (Adjustment Level): Page 6-25
See
See
E5@D Digital Temperature Controllers User's Manual (H224)
Water-cooling Output Adjustment
Setting range
off: Disabled, on: Enabled
Water-cooling Proportional Band
Increase Threshold
Setting range
Water-cooling proportional band decrease
threshold + 0.1 to 200.0
The control must be set to heating/cooling control
and 2-PID control.
The input type must be set for a temperature input.
The Heating/Cooling Tuning Method must be set to
"Water cooling."
Default
off
The control must be set to heating/cooling control
and 2-PID control.
The input type must be set for a temperature input.
The Heating/Cooling Tuning Method must be set to
"Water cooling."
Unit Default
°C or °F 1.4
6 Parameters
6
6 - 25