YASKAWA MP920 - Page 186

7 218IF Module
7.8.4 MELSEC Commands
7-40
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