Appendix - 122
MELSEC-Q
APPENDICES
EXTERNAL REGENERATIVE BRAKE
RESISTOR
This is also called the regenerative brake.
When a machine is moved with a motor, power
is normally supplied to the motor from an
amplifier. However, the rotation energy in the
motor and machine counterflows (regenerates)
to the amplifier when the motor is decelerating
or when driving a descending load.
The external regenerative resistor consumes
this regeneration energy with resistance,
obtains the regenerative brake torque, and
enables the full capacity of the regeneration
system during stopping.
It is used when carrying out highly repetitive
acceleration/deceleration.
F
In the QD75, F is a status where the module
itself has a fault.
[HOLD]
FAST OPR
The axis returns to the machine OP at the
OPR speed without detecting the near-point
dog.
(This is not validated unless a machine OPR
has been carried out first.)
OP
Dog switch
OPR speed
FEED PULSE
This is a pulse issued from the positioning
module to a servomotor or stepping motor.
Also called a command pulse.
FEED SCREW
This is the basic screw in mechanisms that
position using screw rotation. Ball screws are
often used to reduce backlash and dimension
error.
1 rotation
by the motor
Positioning
feed screw
Lead (feedrate per screw rotation)
FEEDBACK PULSE
This is a method of using a returning pulse
train to confirm whether the machine faithfully
operated according to the commands issued in
automatic control. If the machine did not
faithfully operate according to the commands,
a correction command is issued. For example,
if a command is issued for 10,000 pulses, and
a feedback pulse of 10,000 pulses is returned,
then the balance becomes 0 and it can be
judged that the command was faithfully
followed.
Refer to the term "DEVIATION COUNTER".
FIXED-FEED
This is the feeding of a set dimension for
cutting sheet and bar workpieces into the
designated dimensions. Incremental system
positioning is often used. The current value is
not incremented, even when the feed
operation is repeated.
FLASH MEMORY
This battery-less memory can be used to store
parameters and positioning data for backup.
Because it is battery-less, battery maintenance
is not required
FLAT TYPE MOTOR (PANCAKE MOTOR)
About 100mm shorter in axial dimension than
the standard motor. Used when the
servomotor is installed in a small space.
Содержание Melsec-Q QD75D1
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Страница 22: ...A 20 MEMO ...
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Страница 41: ...1 17 MELSEC Q 1 PRODUCT OUTLINE MEMO ...
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Страница 60: ...2 12 MELSEC Q 2 SYSTEM CONFIGURATION MEMO ...
Страница 137: ...5 33 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
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Страница 252: ...6 20 MELSEC Q 6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL ...
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Страница 278: ...6 46 MELSEC Q 6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL MEMO ...
Страница 292: ...MEMO ...
Страница 436: ...9 120 MELSEC Q 9 MAJOR POSITIONING CONTROL MEMO ...
Страница 464: ...10 28 MELSEC Q 10 HIGH LEVEL POSITIONING CONTROL MEMO ...
Страница 638: ...14 24 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO ...
Страница 647: ...15 9 MELSEC Q 15 TROUBLESHOOTING MEMO ...
Страница 686: ...15 48 MELSEC Q 15 TROUBLESHOOTING MEMO ...
Страница 693: ...Appendix 7 MELSEC Q APPENDICES Axis address mm inch degree pulse Axis address mm inch degree pulse ...
Страница 699: ...Appendix 13 MELSEC Q APPENDICES Initial value Axis 1 Axis 2 Axis 3 Axis 4 Remarks 0 0 0 1 1 0 0 0 0 0 0 300 11 0 0 ...
Страница 836: ...Appendix 150 MELSEC Q APPENDICES Appendix 14 External dimension drawing 1 QD75P1N Unit mm 23 4 27 4 98 90 46 ...
Страница 837: ...Appendix 151 MELSEC Q APPENDICES 2 QD75P2N Unit mm 23 27 4 90 4 98 46 3 QD75P4N 23 27 4 90 4 98 46 Unit mm ...
Страница 838: ...Appendix 152 MELSEC Q APPENDICES 4 QD75D1N 12 90 23 27 4 Unit mm 98 4 46 5 QD75D2N 90 23 27 4 12 98 4 46 Unit mm ...
Страница 839: ...Appendix 153 MELSEC Q APPENDICES 6 QD75D4N 90 23 27 4 12 98 4 46 Unit mm ...
Страница 840: ...Appendix 154 MELSEC Q APPENDICES 7 QD75P1 QD75P2 QD75P4 27 4 23 98 90 4 46 unit mm ...
Страница 841: ...Appendix 155 MELSEC Q APPENDICES 8 QD75D1 QD75D2 QD75D4 27 4 23 90 12 98 4 46 unit mm ...
Страница 842: ...Appendix 156 MELSEC Q APPENDICES MEMO ...
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