Omron E5AZ User Manual page 106

Adjustment Level
AT execute/cancel
Function
Example
of use
See
cmwt
Communications writing
Function
Setting
See
This parameter executes AT (auto-tuning).
• When you execute auto-tuning, the optimum PID parameters "propor-
tional band," "integral time" and "derivative time" for the set point during
program execution are automatically set by forcibly changing the manipu-
lated variable to calculate the characteristics of the control target
• Normally, this parameter is set to "off". If you press the
the parameter is turned ON and AT is executed.
• AT cannot be executed when control has stopped or during ON/OFF con-
trol.
• When AT execution ends, the parameter setting automatically returns to
"off".
■ Related parameters
"Proportional band" "Integral time" "Derivative time" (adjustment level)
"PID ON/OFF" (initial setting level)
This parameter enables/disables writing of parameters to the E5AZ/E5EZ
from the host (personal computer) by communications.
ON: Writing enabled
OFF: Writing disabled
Default: OFF
■ Related parameter
"MB command logic switching" (advanced function setting level) (page 119)
"Communications unit No." "Baud rate" "Data length" "Stop bits" "Parity" (com-
munications setting level)
Section 5-4
The E5AZ/E5EZ must be in opera-
tion, and control must be 2-PID con-
trol.
or
The communications unit (E53-AZ01
or E53-AZ03) must be mounted on
the E5AZ/E5EZ.
.
key,
87