RKC INSTRUMENT Z-TIO-G, Instruction Manual

Page: 183 / 246

9. COMMUNICATION DATA DESCRIPTION
IMS01T28-E4
9-75
AT cycles
RKC communication
identifier G3
Modbus
register address ch1: 0286H (646)
ch2: 0287H (647)
The number of ON/OFF cycles is selected when the Autotuning (AT) function is executed.
Attribute:
R/W
Digits:
1 digit
Number of data:
2 (Data of each channel)
Data range:
0: 1.5 cycles
1: 2.0 cycles
2: 2.5 cycles
3: 3.0 cycles
Factory set value:
1
Related parameters:
PID/AT transfer (P. 9-13)
[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