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4.5
Setting SP Upper and Lower Limit Values
■ Set Point Limits
Switch to
upper limit value
Change in input
type
Set point
Sensor's upper and lower limits
Parameter
A set point's setting range is limited by the set point limit. The set point limit is used to
prevent the controlled object from exceeding the normal temperature range. The set
point limit's upper and lower limit values are set by "set point upper limit" and "set
point lower limit" parameter in the "initial level". When resetting the set point limit, be
sure to remember that if the set point exceeds the limit range, then it will be
automatically returned to the set point limits upper or lower limit value. When input
type and temperature unit change, the set point limit is forcibly reset to within the
sensor setting range.
Setting range
upper limit value
upper or lower limit value
Symbol
sl-h
set point upper limit: initial level
sl-l
set point lower limit: initial level
4.5 Setting SP Upper and Lower Limit Values
Sensor Range
SP Limit
Switch to new
Parameter: Level
Set Point
Set Point
Set Point
(can be set)
(cannot be set)
Explanation
used to limit set point
settings
used to limit set point
settings
4-15
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