Mitsubishi-electric QJ71C24N Manuel d'utilisateur télécharger pdf (Page 263)

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MELSEC-Q

10 TROUBLESHOOTING

(2) Example of a program that reads from the setting status storage

area

The following shows an example of a program that reads the setting of various

switches of the Q series C24 from the setting status storage area.

For details on XE and XF of the input/output signals used in the program, see

Section 10.1.2 (3).

(input/output signals X/Y00 to X/Y1F of the Q series C24)

Example of FROM instruction

Reads error description from address 203

Reads station number setting and switch

setting description from address 200

Reads communication protocol setting and

transmission setting description on the CH1

side from addresses 250

to 251

Reads communication protocol setting and

transmission setting description on CH2

from addresses 260

H to 261H.

Restarts the Q series C24 after checking the error code and resetting switches.

b15b14b13b12b11b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

Error description (1: Communication protocol number setting error)

Setting station number of the Q series C24 (0).

CH1 side

Communication protocol setting number (9).

(transmission setting description)

CH2 side

Displays communication protocol number setting error status on the CH1 side

0000000000000000

0000000000001001

00000 10100001010

0000000000000001

00000 10 10 110 10 10

0000000000000001

Communication protocol setting number (1).

(transmission setting description)

1 2 ... 258 259 260 261 262 263 264 265 266 267 268 ... 357 358

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Mitsubishi-electric QJ71C24N Manuel d'utilisateur Page 263