5-2
Section
Writing Data with the WRITE DATA Bit
106
Operating Data Area
Name
Model
Operating
data area
Bit
Contents
Number of write
words
Same for
all models
I
00 to 15
15
00
Specifies the number of words
to be written to the PCU.
Setting range: 0001 to 0304
Hex (1 to 772 words)
Write source area
I+1
00 to 15
EM bank
designation
DM/EM
designation
15
08 07
00
Specifies the area where the
parameters and data written to
the PCU are set.
DM/EM designation:
0D: Designates DM Area
0E: Designates EM Area
EM bank designation:
Specifies the EM Area
bank number if the EM
Area is designated in bits
00 to 07.
Setting range: 00 to 0C
(banks 0 to C)
Write source
word
I+2
00 to 15
15
00
Specifies the beginning word
of the area in the DM or EM
Area used for setting parame-
ters and data.
Setting range: 0000 to 7FFF
Hex (Word 0 to 32767)
Write destination
address
I+3
00 to 15
15
00
Specifies the beginning
address of the area in the
PCU to which parameters and
data are written. For details of
the PCU’s internal addresses,
refer to
Section 4 Data Set-
tings
.
5-2-4 Timing Chart for Writing Data
Writing data is possible even during axis operation.
It is not possible to write data and read data at the same time.
The following diagram is a timing chart for writing data to a 4-axis PCU.
Number of write words (l)
Write source area (l+1)
Write source word (l+2)
Write destination address (l+3)
WRITE DATA (n+1, 12)
Data Transferring Flag (n+8, 14)
(9 words)
(Word 100)
When the data writing operation is completed, the Data Transferring Flag (word
n+8, bit 14) is turned from ON to OFF. If an error occurs during data transfer, the
Error Flag (word n+8, bit 12) is turned ON and the error code is output to n+10 in
the operating memory area. Check this error code to determine the cause of the
error and correct it.
Содержание CS1W-NC113 - REV 02-2008
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