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Chapter 6 Sequence Program Used for Positioning Control

6.5 Program details

6.5.1 Initialization program

[1] OPR request OFF program

This program forcibly turns OFF the "OPR request flag" ([Md.31] Status: b3)
which is ON.
When using a system that does not require OPR, assemble the program to
cancel the "OPR request" made by the Simple Motion module when the power is
turned ON, etc.

Data requiring setting

Set the following data to use the OPR request flag OFF request.

Setting item

Setting

value

Setting details

Buffer memory address

QD77MS2
QD77MS4

QD77MS16

[Cd.19]

OPR request flag OFF
request

Set to "1: Turn OPR request flag OFF".

1521+100n 4321+100n

n: Axis No.-1

Refer to Section 5.7 "List of control data" for details on the setting details.

Time chart for OPR OFF request

OFF

PLC READY signal

[Y0]

READY signal

[X0]

OPR request OFF flag

( Md. 31 Status: b3)

Cd. 19 OPR request flag OFF request

Fig. 6.1 Time chart for OPR OFF request

[2] External command function valid setting program

This program is used to validate the "external command signal" beforehand when
using the external command functions (external start, speed change, speed-
position switching, position-speed switching, skip). Set which function to use
beforehand in "[Pr.42] External command function selection".
(Set the external command signal (DI) in "[Pr.95] External command signal
selection" at QD77MS16 use.)
Set the following data to validate the "external command signal".