Yaskawa MP920 Communications Module User Manual
Page 141

6.6 217IF Communications Protocols
6-25
6
* Yes: Command supported by the 217IF Module.
No: Command not supported by the 217IF Module.
Note: Special AnACPU commands are not supported. Use the common ACPU commands for
AnACPU access. The AnACPU expansion registers cannot be accessed.
UR
Reads the main microcomputer program
128 bytes
No
−
VR
Reads the sub-microcomputer program
128 bytes
No
−
UW
Writes the main microcomputer program
128 bytes
No
−
VW
Writes the sub-microcomputer program
128 bytes
No
−
KR
Reads the comment data
128 bytes
No
−
KW
Writes the comment data
128 bytes
No
−
PR
Reads the parameter contents
128 bytes
No
−
PW
Writes the parameter contents
128 bytes
No
−
PS
Recognizes and checks the rewritten parameter contents
−
No
−
RR
Requests for remote RUN/STOP
−
No
−
RS
PC
Reads the PLC model name
−
No
−
GW
Turns a global signal ON/OFF
1 point
No
−
On demand Issues a request to send from the sequencer CPU
1,760 words
max.
No
−
TT
Loopback test
254 characters
Yes
08H
Table 6.9 MELSEC ACPU Commands (cont’d)
Command
Description
Qty
217IF
Support
*
MEMOBUS
Command