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MELSEC-Q
1 PRODUCT OUTLINE
1.2.3 Outline of stopping
Each control is stopped in the following cases.
(1) When each control is completed normally.
(2) When the Servo READY signal is turned OFF.
(3) When the PLC READY signal is turned OFF.
(When a stop error occurs "parameter error", "watch dog error" and etc. in the PLC
CPU.)
(4) When an error occurs in the QD75.
(5) When control is intentionally stopped (Stop signal from PLC CPU turned ON, stop
signal from an external device, etc.).
The outline for the stopping process in these cases is shown below. (Excluding (1) for
normal stopping.)
Stop process
OPR control
Manual control
Stop cause
Stop
axis
M code
ON signal
after stop
Axis
operation
status
after
stopping
(
Md.26
)
Machine
OPR
control
Fast
OPR
control
Major
positioning
control
High-level
positioning
control
JOG/
Inching
operation
Manual
pulse
generator
operation
Forced stop
Servo READY
OFF
• Servo amplifier
power supply
OFF
• Servo alarm
• Emergency
stop to the
servo amplifier
Each
axis
No
change
During
error
Servo OFF or free run
(The operation stops with dynamic brake or
electromagnetic brake.)
Fatal stop
(Stop group 1)
Hardware
stroke limit
signal ON
Each
axis
No
change
During
error
Deceleration stop/sudden stop
(Select with
Pr.37
“Sudden stop group1
sudden stop selection” )
Deceleration
stop
Error occurs
in PLC CPU
No
change
PLC READY
signal OFF
Turns
OFF
Emergency
stop
(Stop group 2)
Error in test
mode
All
axes
No
change
During
error
Deceleration stop/sudden stop
(Select with
Pr.38
“Sudden stop group2
sudden stop selection” )
Deceleration
stop
Axis error
detection
(Error other
than stop
group 1 or 2)
Relatively safe
stop
(Stop group 3) “Stop signal”
from
peripheral
device
Each
axis
No
change
During
error
"Stop signal"
ON from
external
source
Intentional stop
(Stop group 3) "Axis stop
signal" ON
from PLC
CPU
Each
axis
No
change
When
stopped
(While
waiting)
Deceleration stop/sudden stop
(Select with
Pr.39 “Sudden stop group3
sudden stop selection”)
Deceleration
stop
Summary of Contents for QD75M1
Page 17: ...MEMO...
Page 71: ...3 20 MELSEC Q 3 SPECIFICATIONS AND FUNCTIONS MEMO...
Page 87: ...4 16 MELSEC Q 4 INSTALLATION WIRING AND MAINTENANCE OF THE PRODUCT MEMO...
Page 98: ...5 11 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 104: ...5 17 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 108: ...5 21 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 112: ...5 25 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 122: ...5 35 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 134: ...5 47 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 178: ...5 91 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 184: ...5 97 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 190: ...5 103 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 249: ...5 162 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 270: ...6 21 MELSEC Q 6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL...
Page 271: ...6 22 MELSEC Q 6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL...
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Page 301: ...6 52 MELSEC Q 6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL...
Page 328: ...7 7 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO...
Page 332: ...7 11 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO...
Page 339: ...MEMO...
Page 529: ...11 36 MELSEC Q 11 MANUAL CONTROL MEMO...
Page 621: ...12 92 MELSEC Q 12 CONTROL SUB FUNCTIONS MEMO...
Page 647: ...14 18 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO...
Page 755: ...Appendix 2 MELSEC Q APPENDICES MEMO...
Page 758: ...Appendix 5 MELSEC Q APPENDICES Axis address mm inch degree PLS Axis address mm inch degree PLS...
Page 879: ...Index 14 MEMO...