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FX2N-2LC Temperature Control Block
5.4.2
Balance-less, bump-less function
The balance-less, bump-less function prevents overload caused by drastic change in the con-
trol output value (MV) when the mode is changed over from auto to manual (or from manual to
auto).
Operation performed when the mode is changed over from auto to manual:
The control output value in the auto mode continues to be effective.
Operation performed when the mode is changed over from manual to auto:
The control output value is changed over to a value automatically calculated
based on the temperature set value (SV).
Operation output quantity
Auto
The mode is changed over from auto to manual. However, the operation output quantity
follows the operation output quantity in the auto mode.
The operation output quantity is manually changed.
The mode is changed over from manual to auto. The operation output quantity becomes
a value automatically calculated based on the temperature set value (SV).
Manual
Introduction of Functions 5
Auto
Time
5
5-7
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