144
Example Operation In this example, the X-axis is moved to X100, so the X target position (the com-
mand’s current position) is 100. Actually, a servo is used and a varying deviation
from 100 develops. The actual current position from the encoder reflects this
deviation.
Target position (the command’s current position)
Current position (feedback value)
Position
Time
6-5-11 Word n+1 Bit 11: Transmission Control Bit (All Tasks)
This bit is used to write data to the MC Unit.
The completion of data writing to the MC Unit can be confirmed with the Trans-
mission Completed Flag.
This bit must be on hold until the Transmission Completed Flag is turned ON.
This bit is available when the expansion data area is valid.
Data cannot be written to the MC Unit, read from the MC Unit, and written to the
flash memory at the same time. If they are instructed together, the instructions
are executed in the following order.
Priority: Data written to the MC Unit, data read from the MC Unit, and data written
to the flash memory.
Signal The data transmission settings have the following functions.
Signal Function
↑ Writes Data
Timing Chart
Set
Set
Set
Set Free
Free
Free
Free
Data is prepared in the
PC’s data memory.
No. of transfer words (I)
Source word (I+1)
Destination address (I+2)
Transmission Control Bit
(n+1 bit 11)
Transmission Completed
Flag (n+8 bit 06)
Required
information
is set in the
expansion
data area.
40 ms min.
(Depends on the volume of data.)
Note Refer to Section 4 MC Unit Data.
Interface Bit Specifics
Section 6-5
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