Mitsubishi Electronics FX3G User Manual

FX

3S

/FX

3G

/FX

3GC

/FX

3U

/FX

3UC

 Series

Programming Manual - Basic & Applied Instruction Edition

37 Operation of Special Devices (M8000 -, D8000 -)

[M]8300 to [M]8303 Not used

–

–

–

–

–

–

–

–

–

–

–

[M]8304 Zero

ON when the multiplication and division
calculated result is 0

*1

*1

–

–

–

–

–

–

[M]8305

Not used

–

–

–

–

–

–

–

–

–

–

–

[M]8306 Carry

ON when the division calculated result
overflows

*1

*1

–

–

–

–

–

–

[M]8307 to [M]8311 Not used

–

–

–

–

–

–

–

–

–

–

–

[M]8312

*2

Real time clock data lost error

–

–

–

–

–

–

–

–

[M]8313 to [M]8315 Not used

–

–

–

–

–

–

–

–

–

–

–

[M]8316

*3

Unconnected I/O designation error

–

–

–

D8316
D8317

–

–

–

–

–

[M]8317

Not used

–

–

–

–

–

–

–

–

–

–

–

[M]8318

BFM initialization failure
ON when a FROM/TO error has occurred in a
special function unit/block as specified in the
BFM initialization function at changing PLC
from STOP to RUN.
When M8318 turns ON, the unit number in
which the error has occurred is stored in
D8318, and the BFM number is stored in
D8319.

–

–

–

*4

D8318
D8319

–

–

–

–

–

[M]8319 to [M]8321 Not used

–

–

–

–

–

–

–

–

–

–

–

[M]8322

FX

3UC

-32MT-LT/FX

3UC

-32MT-LT-2 model 

indicator
1:FX

3UC

-32MT-LT-2

0:FX

3UC

-32MT-LT

–

–

–

–

*5

–

–

–

–

–

–

[M]8323

CC-Link/LT configuration required

–

–

–

–

*5

–

–

–

–

–

–

[M]8324

CC-Link/LT configuration completed

–

–

–

–

*5

–

–

–

–

–

–

[M]8325 to [M]8327 Not used

–

–

–

–

–

–

–

–

–

–

–

[M]8328

Instruction non-execution

–

–

–

*4

–

–

–

–

–

–

[M]8329

Instruction execution abnormal end

–

–

–

–

–

–

*1.

Available in Ver. 2.30 or later.

*2.

M8312 is EEPROM backed up against power failure, and is automatically cleared when it is cleared or when
the clock data is set again. For details on backup against power failure, refer to Section 2.6.

*3.

If the I/O device numbers are unavailable, M8316 turns ON when its directly designated to device numbers
including LD, AND, OR, and OUT instructions or indirectly designated by index.

*4.

Available in Ver. 2.20 or later.

*5.

Only the FX

3UC

-32MT-LT-2 is applicable.