Operation Of Jog Operation - Mitsubishi Electric MELSEC Q Series User Manual

10.1

Operation of JOG Operation

Once JOG speed is set and while a JOG start signal is turned on through a sequence program, the QD73A1 executes
JOG operation in the specified direction by outputting analog voltage to the drive unit.
Choose forward run or reverse run using JOG start signals.
Start signal
Forward JOG start signal (Y24)
Reverse JOG start signal (Y25)
(1) Operation of JOG operation
The following is an example of JOG operation.
As a JOG start signal is turned on, acceleration starts in the specified direction according to "
1
BUSY signal (X14) turns on at this time.
As the accelerating operation reaches the speed set in "
2
speed. The workpiece moves at the constant speed between 2 to 3 in the graph below.
As the JOG start signal is turned off, deceleration starts from the speed set in "
3
" Deceleration time".
Pr.7
4 As the speed reaches 0, the operation stops. BUSY signal (X14) turns off at this time.
JOG speed
Cd.3
Acceleration according to
" Acceleration time"
Pr.6
PLC READY signal
QD73A1 READY signal
Forward JOG start signal
Reverse JOG start signal
BUSY signal
Speed can be changed by writing data to the control change area of the buffer memory using a sequence
program.
For details, refer to the following.
Page 218, Section 11.6
Address increasing direction
Address decreasing direction
Forward JOG
operation
1 2
ON
OFF
(Y2D)
ON
(X11) OFF
ON
OFF
(Y24)
(Y25) OFF
ON
(X14) OFF
Executed by the QD73A1
Operation direction
JOG speed", the move continues maintaining the
Cd.3
Cd.3
Deceleration according to
" Deceleration time"
Pr.7
3 4
Reverse JOG
operation
ON
ON
CHAPTER 10 JOG OPERATION
Acceleration time".
Pr.6
JOG speed" according to
201
10