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6 Parameters
E5@C-T Digital Temperature Controllers User’s Manual (H185)
6-5 Adjustment Level
6
orl
MV Change Rate Limit
2-PID control must be used.
• The MV change rate limit sets the maximum allowable width of change in the MV per
second. (For Position-proportional Models, the maximum valve opening per second is
set.) If the change in the MV exceeds this setting, the MV will be changed by the MV
change rate limit until the calculated value is reached. If the limit is set to 0.0, this function
will be disabled.
• The MV Change Rate Limit parameter will not operate in the following situations.
• In Manual Mode
• During AT execution
• During ON/OFF control
• While resetting (during MV output when resetting)
• During MV output when error occurs
z Related Parameters
Proportional Band (Adjustment Level): Page 6-36
db
Position Proportional Dead Band A Position-proportional Model must be used.
• When the difference between the MV and the valve opening is within the value that is set
for the Position Proportional Dead Band, opening or closing the valve will be stopped to
prevent the valve from deteriorating.
z Related Parameters
Open/Close Hysteresis (Adjustment Level): Page 6-42
Function
Setting
Setting range Unit Default
0.0 to 100.0 %/s 0.0
See
See
Function
Setting
Setting range Unit Default
Close control: 0.1 to 10.0 % 4.0
Floating control: 0.1 to 10.0 % 2.0
See
See
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