12CONTROL SUB FUNCTIONS

[3]Setting the command in-position function

MELSEC-Q

To use the "command in-position function", set the required value in the parameter shown in the following table, and write it to the QD75.

The set details are validated at the rising edge (OFF ON) of the PLC READY signal (Y0).

 

 

Setting item

Setting

Setting details

Factory-set

 

 

value

initial value

 

 

 

 

 

 

 

 

Command in-

 

Turn ON the command in-position flag, and set the

 

 

Pr.16

 

 

remaining distance to the stop position of the position

100

 

 

 

position width

 

control.

 

 

 

 

 

 

 

 

 

 

 

Refer to Section 5.2 "List of parameters" for setting details.

[4] Confirming the command in-position flag

The "command in-position flag" is stored in the following buffer memory.

 

 

 

 

Monitor

 

Buffer memory address

 

Monitor item

Storage details

Axis

Axis

Axis

Axis

 

value

 

 

 

 

 

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The command in-position flag is stored in the

 

 

 

 

 

Md.31

 

Status

 

817

917

1017

1117

 

 

 

"b2" position.

 

 

 

 

 

 

 

 

 

Refer to Section 5.6 "List of monitor data" for information on the storage details.

REMARK

Parameters are set for each axis.

It is recommended that the parameters be set whenever possible with GX Configurator-QP. Execution by sequence program uses many sequence programs and devices. The execution becomes complicated, and the scan times will increase.

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Mitsubishi Electronics QD75D, QD75P Setting the command in-position function, Confirming the command in-position flag