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 -)

FNC277

-F

NC2
79

Da

ta

 

Trans
fer 3

FNC28

0-F

NC
289

H

igh-Speed 

Process

ing 2

FNC2

90-
FNC299

Ex

tensi

on Fi
le

 

Register C

ontrol

FN

C300-

FNC30

5

FX

3U

-C

F-

AD

P

SFC

•STL

Programming

Interrupt 

Function

Sp

ec

ia

l D

evi

ce

E

rror Code

Ve

rsi

on U

p 

Inform

ati

on

Ex

ecuti

on

 T

imes

[D]8040

*1

ON state number 1

The smallest number out of active state
ranging from S0 to S899 and S1000 to
S4095

*2

 is stored in D8040 and the second-

smallest state number is stored in D8041.
Active state numbers are then sequentially
stored in registers up to D8047 (Max. 8
points).

M8047

[D]8041

*1

ON state number 2

[D]8042

*1

ON state number 3

[D]8043

*1

ON state number 4

[D]8044

*1

ON state number 5

[D]8045

*1

ON state number 6

[D]8046

*1

ON state number 7

[D]8047

*1

ON state number 8

[D]8048

Not used

–

–

–

–

–

–

–

–

–

–

–

[D]8049

*1

On state minimum 
number

When M8049 is ON, the smallest number out
of active annunciator relay ranging from S900
to S999 is stored in D8049.

–

M8049

–

–

–

[D]8050 to [D]8059 Not used

–

–

–

–

–

–

–

–

–

–

–

*1.

Executed at END instruction.

*2.

S1000 to S4095 are available only in FX

3G

/FX

3GC

/FX

3U

/FX

3UC

 PLCs.

[D]8060

If the unit or block corresponding to a
programmed I/O number is not actually loaded,
M8060 is set to ON and the first device number
of the erroneous block is written to D8060.

–

M8060

–

–

–

[D]8061

Error code for PLC hardware error

M8061

–

–

–

[D]8062

Error code for PLC/PP communication error

M8062

Error code for serial communication error 0 [ch0]

*4

–

–

–

M8062

–

–

–

–

–

[D]8063

*5

Error code for serial communication error 1 [ch1]

M8063

[D]8064

Error code for parameter error

M8064

[D]8065

Error code for syntax error

M8065

[D]8066

Error code for ladder error

M8066

[D]8067

*6

Error code for operation error

M8067

 D 8068

Operation error step number latched

*7

*7

M8068

[D]8069

*6

Error step number of M8065 to M8067

*8

*8

M8065 to 

M8067

*3.

10 to 337 in FX

3U

/FX

3UC

/FX

2N

/FX

2NC

 PLCs, and 10 to 177 in FX

3G

/FX

3GC

 PLCs.

*4.

Cleared when PLC power supply is turned from OFF to ON.

*5.

The operation varies according to PLC:
-

Cleared in an FX

1S

/FX

1N

/FX

1NC

/FX

2N

/FX

2NC

 when PLC switches from STOP to RUN.

-

Cleared in an FX

3S

/FX

3G

/FX

3GC

/FX

3U

/FX

3UC

 PLCs when PLC power supply from OFF to ON.

*6.

Cleared when PLC switches from STOP to RUN.

*7.

In case of 32K steps or more, step number is stored in [D8313, D8312].

*8.

In case of 32K steps or more, step number is stored in [D8315, D8314].

1 0 2 0

1: Input X   0: Output Y

Device number 

ample: If X020 is unconnected.

BCD converted value

*3

1 0 2 0

1: Input X   0: Output Y

Device number 

Example: If X020 is unconnected.

BCD converted value

*3