Yaskawa MP920 Communications Module User Manual

Page 141

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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

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