11 - 4
MELSEC-Q
11 MANUAL CONTROL
11.2 JOG operation
11.2.1 Outline of JOG operation
Important
Use the hardware stroke limit function when carrying out JOG operation near the
upper or lower limits. (Refer to Section "12.4.4").
* If the hardware stroke limit function is not used, the workpiece may exceed the
moving range, causing an accident.
JOG operation
In JOG operation, the FORWARD run JOG start signal (Y8, YA, YC, YE) or
REVERSE run JOG start signal (Y9, YB, YD, YF) turns ON, causing pulses to be
output to the servo amplifier from the QD75 while the signal is ON. The workpiece
is then moved in the designated direction.
The following shows examples of JOG operation.
1)
When the START signal turns ON, acceleration begins in the direction designated by the
START signal, and continues for the acceleration time designated in "
Pr.32
JOG
operation acceleration time selection". At this time, the BUSY signal changes from OFF to
ON.
2)
When the workpiece being accelerated reaches the speed set in "
Cd.17
JOG speed",
the movement continues at this speed. The constant speed movement takes place at 2)
and 3).
3)
When the START signal is turned OFF, deceleration begins from the speed set in
"
Cd.17
JOG speed", and continues for the deceleration time designated in "
Pr.33
JOG operation deceleration time selection".
4)
The operation stops when the speed becomes "0". At this time, the BUSY signal changes
from ON to OFF.
PLC READY signal [Y0]
OFF
ON
Reverse run JOG start signal
[Y9, YB, YD, YF]
OFF
ON
OFF
ON
BUSY signal[XC, XD, XE, XF]
OFF
ON
Forward JOG run
Reverse JOG run
QD75 READY signal [X0]
Forward run JOG start signal
[Y8, YA, YC, YE]
Cd. 17 JOG speed
Acceleration for the acceleration
time selected in Pr. 32
Deceleration for the deceleration
time selected in Pr. 33
1)
2)
3)
4)
OFF
ON
All axis servo ON [Y1]
OFF
ON
Fig. 11.4 JOG operation
Summary of Contents for MELSEC-Q QD75M
Page 1: ...MELSEC Q QD75M Positioning Module User s Manual Details QD75M1 QD75M2 QD75M4 ...
Page 17: ...MEMO ...
Page 64: ...3 11 MELSEC Q 3 SPECIFICATIONS AND FUNCTIONS MEMO ...
Page 91: ...4 16 MELSEC Q 4 INSTALLATION WIRING AND MAINTENANCE OF THE PRODUCT MEMO ...
Page 108: ...5 17 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 112: ...5 21 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 116: ...5 25 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 138: ...5 47 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
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Page 194: ...5 103 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 253: ...5 162 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 274: ...6 21 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 332: ...7 7 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 336: ...7 11 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 347: ...MEMO ...
Page 477: ...9 116 MELSEC Q 9 MAJOR POSITIONING CONTROL MEMO ...
Page 539: ...11 36 MELSEC Q 11 MANUAL CONTROL MEMO ...
Page 663: ...14 18 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO ...
Page 771: ...Appendix 2 MELSEC Q APPENDICES MEMO ...
Page 845: ...Appendix 76 MELSEC Q APPENDICES MEMO ...
Page 855: ...Index 10 X X0 QD75 READY 3 15 X1 Synchronization flag 3 15 Z Zero speed Pr 130 5 74 ...