Setting The Sp Upper And Lower Limit Values; Set Point Limiter; Setting - Omron E5CSV User Manual

Section 4 Operations for Applications

4.4 Setting the SP Upper and Lower Limit Values

•
■ Set Point
Limiter

■ Setting

4-6
The setting range of the set point is limited by the set point limiter.
The set point limiter is used to prevent the control target from
reaching abnormal temperatures.
The upper- and lower-limit values of the set point limiter are set using
the "set point upper limit"
the initial setting level (3). When the set point limiter is reset,
however, the set point is forcibly changed to the upper- or lower-limit
value of the set point limiter if the set point is out of the limiter range
as a result of resetting.
Also, when the input type and temperature unit are changed, the set
point limiter is forcibly reset to the sensor setting range.
▽ ▼
Setting range
Limiter upper-
▽ ▼
limit changed
▽
▼
Input type changed
▲Limiter ▼upper-/lower-limit
▽Sensor upper-/lower-limit values
Set the set point upper and lower limits in the "set point upper limit"
and "set point lower limit" parameters in the initial setting level (3). In
this example, it is assumed that the input type is set to a K
thermocouple with a temperature range of −99 to 1300°C.
-99
0
and "set point lower limit" parameters in
Sensor range

Set point limiter

▽
▼
Upper-limit
A
B
value changed
○ ×(Cannot be set.)
▼ ▽
C
▽
▼
B
○ (Can be set.)
Sensor range

Set point limiter

1000
Set point
Set value
Set value
1300