Yaskawa MP920 Communications Module User Manual
Page 187

7.8 Connections with MELSEC
7-41
7
07H
Sets the bit devices to be monitored in 16-point units
120 words
(326 points)
No
−
Sets the word devices to be monitored in 1-point units
20 points
No
−
08H
Monitors devices for which monitor data registration has
been performed (in bit units)
−
No
−
09H
Monitors devices for which monitor data registration has
been performed (in word units)
−
No
−
17H
Reads extension file registers in 1-point units
256 points
No
−
18H
Writes extension file registers in 1-point units
256 points
No
−
19H
Randomly specifies block numbers and device numbers, and
writes to the extension file registers in 1-point units
40 points
No
−
1AH
Registers the extension file registers to be monitored in 1-
point units
20 points
No
−
1BH
Monitors extension file registers for which monitor data reg-
istration has been performed
−
No
−
3BH
Reads extension file registers by directly specifying them in
1-point units
256 points
No
−
3CH
Writes extension file registers by directly specifying them in
1-point units
256 points
No
−
0EH
Reads the contents of the buffer memory of the special func-
tion unit
256 bytes
(128 words)
No
−
0FH
Writes data to the buffer memory of the special function unit
256 bytes
(128 words)
No
−
0AH
Reads the main sequence program
256 steps
No
−
0BH
Reads the sub-sequence program
256 steps
No
−
0CH
Writes the main sequence program
256 steps
No
−
0DH
Writes the sub-sequence program
256 steps
No
−
1EH
Reads the main microcomputer program
256 bytes
No
−
1FH
Reads the sub-microcomputer program
256 bytes
No
−
20H
Writes the main microcomputer program
256 bytes
No
−
21H
Writes the sub-microcomputer program
256 bytes
No
−
1CH
Reads the comment data
256 bytes
No
−
1DH
Writes the comment data
256 bytes
No
−
39H
Reads extended comment data
256 bytes
No
−
3AH
Writes extended comment data
256 bytes
No
−
10H
Reads the parameter contents
256 bytes
No
−
11H
Writes the parameter contents
256 bytes
No
−
12H
Recognizes and checks the rewritten parameter contents
−
No
−
13H
Requests for remote RUN/STOP
−
No
−
14H
15H
Reads the PC model name
−
No
−
16H
Loopback test
256 bytes
Yes
08H
60H
Fixed buffer communications
507 words
Yes
31H
Table 7.8 Common MELSEC ACPU Commands (cont’d)
Command
Description
Qty
218IFA
Support
*
MEMOBUS
Command