Yudian AI-526 - Auto Tuning

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can activate by parameter setting (Srun).
At Hold status, the program is still executing, and the process value is controlled same as setpoint, but the timer
stop working, and the running time and setpoint remains. At Hold status, press and hold the key for about 2
seconds until the lower display window displays the "Run" symbol, the instrument will back to run program
Stop
Press and hold the key for about 2 seconds in the basic display status, until the lower display window
displays the "stoP" symbol, means the stoP operation is executed now, when program stopped, timer will be
reset and stop. This operation forces the instrument to stop running, meanwhile, the StEP number will reset to 1,
and control output is also stopped
2.3.3 Auto Tuning
When AI control method is chosen (CtrL=APId / nPId), the PID parameters can be obtained by running
auto-tuning.
In basal display status, press for 2 seconds, the “At” parameter will appear. Press to change the
value of “At” from “oFF” to “on”, then press to active the auto-tuning process. During auto tuning, the
instrument executes on-off control. After 2-3 times of on-off action, the instrument will obtain the optimal control