Omron E5GN User Manual page 65

CHAPTER 4 APPLIED OPERATION
F Operation at start
F Restrictions
during SP ramp
operation
4–16
If the SP ramp function is enabled when the E5GN is turned ON, and when
run" is switched to from stop," the process value may reach the set point
after SP ramp in the same way as when the set point is changed. In this
case, operation is carried out with the process value regarded as the set
point before the change was made.
The direction of the SP ramp changes according to the relationship
between the process value and the set point.
PV < SP
SP
SP ramp
Set point
PV
Power ON
• Execution of auto tuning starts after the end of SP ramp.
• When control is stopped or an error occurs, the SP ramp function is dis
abled.
PV > SP
SP
SP ramp
PV
Set point
Time
Power ON
Same
change rate
Time