Справочник Пользователя для Mitsubishi Electronics FX5

9  PID CONTROL FUNCTION

9.8  Examples of Program

An example of the system configuration when the PID control function is used is shown below.

■During PID control

■During auto-tuning

Program example 1

This is an example of the sample program for PID control.

Program example 2

This is an example of the sample program for auto tuning (limit cycle method).

Program example 3

This is an example of the sample program for auto tuning (step response method).

Program example 4

This is an example of the sample program for auto tuning (limit cycle method) + PID 
control.

Program example 5

This is an example of the sample program for auto tuning (step response method) + PID 
control.

V1+ V2-

AD

V-

0V

COM0 Y0

Electric heater

Temperature chamber

Resistance temperature sensor
(Pt100 sensor)

X10: Auto-tuning command
X11: PID control command

Resistance temperature sensor 
converter
M2RS-44-R/UL

10V 0V

1 4 5

Error indication

24 V DC 

power supply

FX5U-32MT/ES

Y1

24V X10 X11

Power 

supply

D502×1 ms <ON duration>

OFF

ON

ON

ON

ON

ON

2 sec (2000 ms) 

<cycle>

2 sec (2000 ms)

2 sec (2000 ms)

1.8 sec (1800 ms)

1.8 sec (1800 ms)

1.8 sec (1800 ms)

2 sec (2000 ms)

2 sec (2000 ms)

2 sec (2000 ms)