5 - 120
MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
5.6.2 Axis monitor data
Storage item
Storage details
Md.20
Current feed value
The currently commanded address is stored.
(Different from the actual motor position during operation)
The current position address is stored.
If "degree" is selected as the unit, the addresses will have a ring structure for values
between 0 and 359.9999 degrees.
•
Update timing : 3.5ms
•
The OP address is stored when the machine OPR is completed.
•
When the current value is changed with the current value changing function, the
changed value is stored.
Md.21
Machine feed value
The address of the current position according to the machine coordinates will be
stored. (Different from the actual motor position during operation)
Note that the current value changing function will not change the machine feed
value.
Under the speed control mode, the machine feed value is constantly updated
always, irrespective of the parameter setting.
The value will not be cleared to "0" at the beginning of fixed-feed control.
Even if "degree" is selected as the unit, the addresses will not have a ring structure
for values between 0 and 359.99999 degrees.
•
Machine coordinates: Characteristic coordinates determined with machine
•
Update timing: 56.8ms
Md.22
Feedrate
The speed of the operating workpiece is stored. (May be different from the actual
motor speed during operation)
•
During interpolation operation, the speed is stored in the following manner.
Reference axis
: Composite speed or reference axis speed
(Set with
Pr.20
)
Interpolation axis : 0
•
Update timing: 56.8ms
POINT
In case of the single axis operation,
Md.22
Feedrate and
Md.28
Axis feedrate
are identical.
In the composite mode of the interpolation operation,
Md.22
Feedrate is a
speed in a composite direction and Md.28 Axis feedrate is that in each axial
direction.
Md.23
Axis error No.
When an axis error is detected, the error code corresponding to the error details is
stored.
•
The latest error code is always stored.
(When a new axis error occurs, the error code is overwritten.)
•
When "
Cd.5
Axis error reset" (axis control data) turns ON, the axis error No. is
cleared (set to 0).
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 ...
Page 182: ...5 91 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 188: ...5 97 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
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 ...
Page 275: ...6 22 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 276: ...6 23 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 277: ...6 24 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 278: ...6 25 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 279: ...6 26 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 305: ...6 52 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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 ...