Chapter8 Opr Control; Outline Of Opr Control; Two Types Of Opr Control - Mitsubishi MELSEC-Q Series User Manual

8
OPR CONTROL
CHAPTER8
This chapter describes details of the QD72P3C3 OPR control.
8.1

Outline of OPR Control

8.1.1
"OPR control" is control to establish a position (=OP) which is to be a reference when
performing positioning control.
This control is used to return a mechanical system at any position other than the OP to the
OP when the QD72P3C3 issues "OPR request
control stop.
The QD72P3C3 defines the following two control types as "OPR control" in the sequence
of OPR operation.
These OPR controls can be performed by setting "OPR parameter", "9000" or "9001" to
"
Cd.5
Establishing a positioning control OP
Performing position control toward the OP "Fast OPR control" (
When OPR control is not needed
In the system that does not require OPR control, setting "1" to "
OFF request" forcibly turns OFF "OPR request flag" (
When OPR control is not performed, operation starts using the position at power-ON
(
Md.1
Remark
OPR CONTROL

Two types of OPR control

Start method", and turning ON the positioning start signal (Y8 to YA).
* "Machine OPR control" must be performed before performing "fast OPR control".
Current feed value) as "0".
* Also, the "OPR parameter (
will not result in an error.
*
OPR request
In the following cases, the QD72P3C3 is required to turn ON "OPR request flag"
( Status: b1) and perform machine OPR control.
Md.7
• At power-ON
• At machine OPR control start
The "OPR request flag" turns OFF and the "OPR complete flag" (
b2) turns ON when the machine OPR control is performed and is completed
normally.
*
" such as at power-ON or after positioning
"Machine OPR control" (
Md.7
to )" must all be set to the default values or the values that
Pr.10 Pr.15
8.1 Outline of OPR Control
8.1.1 Two types of OPR control
Start method: 9000)
Cd.5
Start method: 9001)
Cd.5
OPR request flag
Cd.4
Status: b1).
Status:
Md.7
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