Omron E5CC User Manual page 146

5 Advanced Operations
Set point
PV
Restrictions during SP Ramp Operation
• Execution of auto-tuning starts after the end of the SP ramp.
• When control is stopped or an error occurs, the SP ramp function is disabled.
Alarms during SP Ramp Operation
The operation of alarms during SP ramp operation depends on whether alarms are set to be based
on the ramp set point or the target set point (refer to the following diagrams). The set point to be
used is set in the Alarm SP Selection parameter.
Alarm SP Selection = Ramp SP (Alarm Type: 1 (Upper/Lower Limits))
Alarm SP Selection = Target SP (Alarm Type: 1 (Upper/Lower Limits))
5 - 18
PV<SP
SP
SP ramp
Rising
Time
Power ON
Temperature
Temperature
PV>SP
SP
SP ramp
Falling
PV
Set point
Power ON
000
Alarm output ON
Alarm output ON
Time
Alarm output ON
Alarm output ON
Time
E5@C Digital Temperature Controllers User's Manual (H174)
Time