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(2) Starting ST and vibration ST
Two types of self-tuning (ST) are available depending on the state of the control system: starting ST and vibration
ST.
• Starting ST: Self-tuning is performed immediately after the control is started or when the set value (SV) is
changed.
• Vibration ST: Self-tuning is performed when the control system in a stable state has become oscillatory due
to reasons such as disturbance.
Temperature process value (PV)
(a) How to set starting ST
1.
Set "Method selection" to "Param write" of the control mode to be used.
"CC IE Field Configuration" windowSelect the temperature control module from "List of
stations"[CC IE Field Configuration][Online][Parameter Processing of Slave Station]
2.
Select either of the following setting values for "CH Self tuning setting". (The default value is "0:
Do not run the ST".)
• "1: Starting ST (PID constant only)"
• "2: Starting ST (Simultaneous temperature rise parameter only)"
• "3: Starting ST (PID constant and simultaneous temperature rise parameter)"
• "4: Starting ST + vibration ST (PID constant only)"
(b) How to set vibration ST
1.
Set "Method selection" to "Param write" of the control mode to be used.
"CC IE Field Configuration" windowSelect the temperature control module from "List of
stations"[CC IE Field Configuration][Online][Parameter Processing of Slave Station]
2.
Set "4: Starting ST + vibration ST (PID constant only)" for "CH Self tuning setting".
Starting ST
Vibration ST
CHAPTER 8 FUNCTIONS
Time
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Troubleshooting
