Simple Reciprocating Operation - Mitsubishi MELSEC-Q Series User Manual

5
PROCEDURES AND SETTINGS BEFORE
OPERATION
5.7

Simple Reciprocating Operation

Before operating the system, check the operation of the drive unit.
(Operation must be checked after confirming that the installation, wiring, intelligent
function module switch setting, and connection of the QD72P3C3 are normal. For details
of the drive unit, refer to the manual of the drive unit used.)
The following describes the method of "simple reciprocating operation".
(1) Operation method
(2) Setting item
JOG data
JOG speed
JOG.1
JOG ACC/DEC time
JOG.2
(3) Reciprocating operation program using JOG operation
Device name Device
Special relay SM403 One scan OFF after RUN
X0
Input
X8
Y0
QD72P3C3
I/O
Output YC
YD
X27
External input
(command)
X28
Internal relay M8
5
- 18 5.7 Simple Reciprocating Operation
Using a sequence program, perform forward run/reserve run of JOG operation.
(For details of JOG operation, refer to CHAPTER 10.)
Set JOG data in the sequence program. Default values can be used for the other data
(such as parameters, positioning data).
(Change the JOG data setting values according to the machine specifications.)
Setting value
(example)
5000pulse/s Set the speed for JOG operation.
1000ms Set the ACC/DEC time for JOG operation.
* For details of the setting contents, refer to "Section 4.3 List of JOG Data".
The following is a program example for Axis 1.
(When the QD72P3C3 is installed in slot 0 of the main base unit)
[Used device]
Application
Module READY signal
Axis 1 BUSY signal
Programmable controller
CPU READY signal
Axis 1 forward run JOG
start signal
Axis 1 reverse run JOG
start signal
Forward run JOG
command
Reverse run JOG
command
JOG operation flag
Setting contents
ON details
-.
QD72P3C3: Normal
Axis 1: In operation
Programmable controller
CPU: Normal
Axis 1: Forward run JOG
starting
Axis 1: Reverse run JOG
starting
Forward run JOG operation:
Being commanded
Reverse run JOG operation:
Being commanded
JOG operation
Buffer memory
address
Axis Axis Axis
1 2
40 140
41 141
42 142
Remarks
-
-
-
-
-
JOG operation is disabled if
X27 and X28 are both ON or
both OFF.
-
3
240
241
242