Mitsubishi Electronics FX5 ユーザーズマニュアル

9  PID CONTROL FUNCTION

9.8  Examples of Program

OUTHS

ST0

K2000

MOV

SM402

Initial pulse

SM402

Initial pulse

SM402

Initial pulse

X011

PID control 

is started

M3

PID operation 

is executed

ST0

Heater operation 

cycle

M3

PID operation 

is executed

M3

PID operation 

is executed

ST0<D502

X011

PID control 

is started

MOV

MOV

MOV

MOV

MOV

MOV

SD6022

K5000

K500

SET

SET

K2000

K0

K3000

K2000

K5000

RST

RST

D510

PID

<  ST0 D502

D500

RST

D500

The target value is 

set to 50°C

The sampling time is 

set to 500 ms

The operation direction 

is set to backward 

operation

The upper and lower 

limits of output value 

is set to valid

The output value upper 

limit is set to ON for 2 sec.

PID instruction initial setting

Built-in analog monitor

   CH1: SD6022

   CH2: SD6062

0: Enable

1: Disable

Heater output control

The output value lower 

limit is set to ON for 0 sec.

The proportional gain is 

set to 3000 %

The integral time is set to 

2000×100ms

The differential time is 

set to 5000×100ms

The built-in analog is set to used CH.

   CH1: SM6021

   CH2: SM6061

The PID output is initialized

PID instruction 

drive

PID operation is executed

The heater operation 

cycle is set to 2 sec

Preset

Heater output

D510

D511.0

D511.5

D532

D533

D513

D514

D516

SM6021

D502

D502

M3

ST0

Y1

END