39
3-7-2 Manual Reset
The manual reset function is used to correct a constant offset from the set point
after a stable condition is obtained when using P or PD control.
•
When an offset occurs, change the manual reset value as shown in the follow-
ing graph.
•
The setting range is between 0.0% and 100.0%. The default is 50%.
•
The manual reset value can be set separately in each memory bank.
Temperature
Set point
Proportional band
Offset
Time
Time
Manual reset value changed
Output value (%)
Manual reset value
after change
3-8
Control Method Selection
3-8-1 Manual Operation
In manual operation, the control output is operated with manually set output val-
ues.
•
Each control point can be switched to manual operation independently.
•
In manual operation, set the output value through communications.
•
If manual operation is continued after the power has been turned OFF or if
manual operation is started when the E5ZE has stopped operation, the output
value will be 0.0%. In this case, reset the output value.
Control Method Selection
Section 3-8
