Mitsubishi-electric QJ71C24N Manuel d'utilisateur télécharger pdf (Page 344)

App. - 50 App. - 50

MELSEC-Q

APPENDIX

Appendix 9.10 When reading user frame

The following program example reads a user frame registered to the flash ROM of the

Q series C24 using the REMFR/REMTO instruction and I/O signals.

Refer to Section 9.4 of the User's Manual (Application) for details.

POINT

It is recommended to use GX Configurator-SC when reading a user frame

registered to the flash ROM of the Q series C24. (Refer to Chapter 8.)

(1) Program conditions

The following program reads a user frame registered to the flash ROM of the

QJ71C24N when the read command (X1029) turns ON.

(a) Devices used

• Read command....................................................................... X1029

• Read command pulse signal.................................................. M10

• Read flag................................................................................. M11

• Registration result acquisition command ............................... M12

• Number of data byte registered acquisition command.......... M13

• User frame acquisition command........................................... M14

• Completion device for REMFR/REMTO instruction .............. M100 to 107

• Normal/abnormal completion flag for REMFR/REMTO

instruction................................................................................ M200 to 204

• Read instruction ...................................................................... D0

• Frame No. ............................................................................... D1

• Read result.............................................................................. D2

• Number of data bytes registered............................................ D3

• User frame .............................................................................. D4 or later

• Number of registered data...................................................... D50, D100

(b) Buffer memory settings used in this example

These settings are used to read the user frame registered in Appendix 9.9.

Address Decimal (Hexadecimal)

CH1

Name

Setting

value

2 (2

) Register/read/delete instructions 2

3 (3

) Frame No. direction 03E8

4 (4

) Registration/read/delete result storage —

5 (5

) Number of data bytes registered designation 10

6 (6

) 3946

7 (7

) 3030

8 (8

) 3030

9 (9

) 4646

10 (A

)

For flash ROM

access

User frame

3030

1 2 ... 339 340 341 342 343 344 345 346 347 348 349 ... 357 358

Mitsubishi-electric QJ71C24N Manuel d'utilisateur Page 344

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Mitsubishi-electric QJ71C24N Manuel d'utilisateur Page 344

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