3 fast opr, 1 outline of the fast opr operation, Melsec-q – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

Page 298

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MELSEC-Q

8 OPR CONTROL

8.3 Fast OPR

8.3.1 Outline of the fast OPR operation

Fast OPR operation

In a fast OPR, positioning is carried out by a machine OPR to the "

Md.21

Machine feed value" stored in the QD75.
The following shows the operation during a fast OPR start.

1) The fast OPR is started.

2) Positioning control to the "

Md.21

Machine feed value" begins at the speed set

in the OPR parameters (

Pr.43

to

Pr.57

).

3) The fast OPR is completed.

Machine OP
(OP position)

Pr. 46 OPR speed

Fast OPR start
(Positioning start signal)

Md.26 Axis operation status

In position control

Standing by

Standing by

OP

Positioning to the OP

M

Fig. 8.16 Fast OPR

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