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214
Data Transfer and Storage
Section 5-1
Yes: Possible No: Not possible Save: Saved in Flash Memory
Note
(1) From CX-Motion-MCH, all the data are read or written at the same time.
The data cannot be read or written partially.
(2) Turn ON either the bit “Parameter Save” or “Position Data Save” in PC In-
terface Area to save in Flash Memory.
(3) Alarm codes can be read.
(4) To read/write servo parameters, specify the axis in advance.
(5) Parameters changed with MC Unit programs cannot be saved.
Data
Content
Data con-
figuration
Read/Write/Save
Support Tool (See note 1.)
IOWR/IORD
Read
Write
Save
Read
Write
Save
Programs
Programs for MC Unit
-
Yes
Yes
Yes
No
No
No
Cam data
Data for Electronic Cam
-
Yes
Yes
Yes
No
No
No
Variables
Position data
Data indicating positions
2 words/
position
Yes
Yes
Yes
Yes
Yes
See note
2.
System variable Status for MC Unit
2 words/
position
No
No
No
Yes
No
No
Global general
variable
These variables can be
accessed from all tasks
-
No
No
No
No
No
No
Input variable
Input status from CPU Unit,
MECHATROLINK-II
devices
-
No
No
No
No
No
No
Output variable
Output from programs to
CPU Unit or MECHA-
TROLINK-II devices
-
See*3
No
No
No
No
No
Task variable
These variables can be
used only in each task
-
No
No
No
No
No
No
Present position
preset
Sets present position pre-
set value for each axis
2 words/
position
No
No
No
No
Yes
No
System parameters
Unit
System parameters are:
Unit parameters,
Task parameters,
Axis-parameters,
Number of axes to use,
number of tasks, feed rate,
operation range, and etc.
data for the system is
stored.
2 words/
position
Yes
Yes
Yes
Yes
Yes
See note
2.
Motion task
Axis: allocations
Axis: speed
Axis: position
Axis: origin
Axis: machine
Reserved
Axis specification
for servo parame-
ter
(See note 4.)
Specify axis to be
accessed
2 words/
position
No
No
No
Yes
Yes
No
Servo parameter
Parameters for servo driver 2 words/
position
Yes
Yes
Yes
Yes
Yes
See note
2.
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