Melsec-q, 1) setting conditions, 2) program example – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

Page 551

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MELSEC-Q

12 CONTROL SUB FUNCTIONS

[5] Teaching program example

The following shows a sequence program example for setting (writing) the

positioning data obtained with the teaching function to the QD75.

(1) Setting conditions

When setting the current feed value as the positioning address, write it

when the BUSY signal is OFF.

(2) Program example

The following example shows a program to carry out the teaching of axis

1 by the dedicated instruction "TEACH 1".

1)

Move the workpiece to the target position using a JOG operation (or
an inching operation, a manual pulse generator operation).

PLC READY signal

QD75 READY signal

V

t

Forward run JOG start signal

Target position

BUSY signal

[X8]

n2

n1

nx

Md.20 Current feed value

Example

Error detection signal

[XC]

[X0]

[Y0]

[Y8]

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