Simple Reciprocating Operation - Mitsubishi Electric MELSECQ Series User Manual

5 SETUP AND PROCEDURES BEFORE OPERATION

5.7 Simple reciprocating operation

JOG data
JOG. 1 JOG speed
JOG. 2 JOG ACC time
JOG. 3 JOG DEC time
JOG. 4 JOG direction flag
Refer to "Section 4.4 List of JOG data" for more information on the setting details.
Device name
Special relay
QD70 I/O
External input (command)
Internal relay
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Before operating the system, check the operation of the drive unit.
(Make this check after making sure that the installation, wiring, intelligent function
module switch setting and connection confirmation of the QD70 are normal. For details
of the drive unit, refer to the manual of the drive unit used.)
The following is the way to perform "simple reciprocating operation".
(1) Operation method
Using a sequence program, perform forward run/reverse run of JOG operation.
(Refer to Chapter 10 for details of JOG operation.)
(2) Setting items
Set JOG data in the sequence program. The other data (parameters, positioning
data, etc.) may be initial values.
(Change the JOG data setting values according to the machine specifications.)
Setting value
5000pulse/s
1000ms
1000ms
0: Forward run JOG
1: Reverse run JOG
(3) Reciprocating operation program using JOG operation
The following is a program example for Axis 1.
(When the QD70 is installed in slot 0 of the main base unit)
[Used devices]
Device
SM400
SM402
X0
Input
X8
Y0
Output
Y18
X28
X29
M1
search engine
Setting details
Axis 1 Axis 2 Axis 3 Axis 4 Axis 5 Axis 6 Axis 7 Axis 8
Set the speed for JOG 40
operation. 41
Set the acceleration time
42
for JOG operation.
Set the deceleration time
43
for JOG operation.
Set the rotation direction
44
for JOG operation.
Application
Normally ON
ON one scan after RUN
Module READY QD70 normal
Axis 1 BUSY Axis 1 running
Programmable controller Programmable controller
READY CPU normal
Axis 1 JOG start Axis 1 JOG starting
Forward run JOG Forward run JOG operation
command command being given
Reverse run JOG Reverse run JOG operation
command command being given
JOG operation flag JOG operation in progress
MELSEC-Q
Buffer memory addresses
140 240 340 440 540
141 241 341 441 541
142 242 342 442 542
143 243 343 443 543
144 244 344 444 544
ON details Remarks
–
–
JOG operation is disabled if
X28 and X29 are both ON
or both OFF.
640 740
641 741
642 742
643 743
644 744
–
–
–
–
–
–
–
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