8. PARAMETER DESCRIPTION
IMR02C15-E4
8-130
Dummy
Function block 52 (F52)
This is the first parameter symbol of Function block 52 (F52).
F52
AT cycles
The number of ON/OFF cycles is selected when the Autotuning (AT) function
is executed.
Data range Factory set value
0: 1.5 cycles
1: 2.5 cycles
0
Related parameters
Parameter setting mode:
• Autotuning (AT) (P. 8-24)
Example
When the AT cycle is set to 1.5 cycle and the Autotuning (AT) function is executed just after the
power is turned on.
Measured value (PV)
Set value
SV
Time
AT start
AT cycle: 1.5
AT cycle: 1.0
Start the PID computation in accordance with
PID parameters calculated by AT.
AT end
F52.
ATC
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