Precautions During Control; Setting The Op Shift Function - Mitsubishi Electric QD77MS User Manual

(2) OP shift operation at the "[Pr.47] Creep speed"
Pr. 44 OPR
V
direction
Machine OPR start
Near-point dog

[4] Precautions during control

(1) The following data are set after the OP shift amount is complete.
(2) "[Pr.53] OP shift amount" is not added to "[Md.34] Movement amount after

[5] Setting the OP shift function

To use the "OP shift function", set the required details in the parameters shown in
the following table, and write them to the Simple Motion module.
When the parameters are set, the OP shift function will be added to the machine
OPR control. The set details are validated at the rising edge (OFF
PLC READY signal [Y0].
Setting item
[Pr.53] OP shift amount
Speed
[Pr.56] designation
during OP shift
: Refer to Section 5.2 "List of parameters" for setting details.
REMARK

Parameters are set for each axis.
 It is recommended that the parameters be set whenever possible with GX Works2.
Execution by sequence program uses many sequence programs and devices. The
execution becomes complicated, and the scan times will increase.
(When "[Pr.56] Speed designation during OP shift" is 1)
Pr. 47 Creep
speed
OP
Zero signal
Fig. 13.7 OP shift operation at the creep speed
 OPR complete flag ([Md.31] Status: b4)

[Md.20] Current feed value
 [Md.21] Machine feed value

[Md.26] Axis operation status
OPR request flag ([Md.31] Status: b3) is reset after completion of the OP
shift.
near-point dog ON". The movement amount immediately before the OP shift
operation, considering near-point dog ON as "0", is stored.
Setting
value
Set the shift amount during the OP shift.
Select the speed during the OP shift
0: [Pr.46] OPR speed
1: [Pr.47] Creep speed
13 - 10
Chapter 13 Control Sub Functions
When the " Pr. 53 OP
shift amount" is positive
OP
When the " Pr. 53 OP
shift amount" is negative
Setting details
ON) of the
Factory-set
initial value
0
0