11 TROUBLESHOOTING

MELSEC-Q

Special Register List (Continued)

ACPU

Special

Special

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corresponding

Special

Register after

Register for

Name

Meaning

 

 

 

 

 

 

 

Details

 

 

 

 

 

 

 

CPU

Conversion

Conversion

Modification

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• When SM803 is turned ON/OFF by peripheral device

 

 

 

 

 

 

to activate sampling trace

 

STRA

,

STRAR

, value

 

D9044

SD1044

 

For sampling

Step or time during

stored in SD1044 is used as sampling trace condition.

 

 

trace

sampling trace

For scan ....... 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For time ....... Time (10ms increments)

 

 

 

 

 

 

Value is stored into SD1044 in BIN code.

 

 

 

 

 

Extension file

• Stores the block number of the expansion file register

 

 

 

 

 

which is used as the work area for the execution of a

 

 

 

 

 

register block No.

 

 

 

 

Work area for

SFC program in a binary value.

 

D9049

SD1049

 

used as SFC

 

 

SFC

• Stores "0" if an empty area of 16K bytes or smaller,

 

 

 

 

program execution

 

 

 

 

 

which cannot be expansion file register No. 1, is used

 

 

 

 

 

work area

 

 

 

 

 

or if SM320 is OFF.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Stores code numbers of errors occurred in the SFC

 

 

 

 

 

 

program in BIN code.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0:

 

No error

 

 

 

 

 

 

 

 

 

 

 

 

 

SFC program

Error code

 

80: SFC program parameter error

 

D9050

SD1050

 

generated by SFC

 

81: SFC code error

 

 

 

 

 

 

 

 

 

 

 

error number

 

 

 

 

 

 

 

 

 

 

 

 

 

 

program

 

82: Number of steps of simultaneous execution

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

exceeded

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

83:

 

Block start error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

84: SFC program operation error

 

 

 

 

 

Block number

• Stores the block number in which an error occurred in

 

 

 

 

 

the SFC program in BIN code.

 

D9051

SD1051

 

Error block

where error

 

 

In the case of error 83 the starting block number is

 

 

 

 

 

occurred

 

 

 

 

 

stored.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Stores the step number in which error 84 occurred in

 

 

 

 

 

Step number where

the SFC program in BIN code.

 

D9052

SD1052

 

Error step

Stores "0" when errors 80, 81 and 82 occurred.

 

 

error occurred

 

 

 

 

 

Stored the block starting step number when error 83

 

 

 

 

 

 

 

 

 

 

 

 

occurred.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Transition condition

• Stores the transfer condition number in which error 84

 

D9053

SD1053

 

Error transition

number where error

occurred in the SFC program in BIN code.

 

 

 

 

 

occurred

Stored "0" when errors 80, 81, 82 and 83 occurred.

 

 

 

 

Error sequence

Sequence step

• Stores the sequence step number of transfer condition

 

D9054

SD1054

 

number where error

and operation output in which error 84 occurred in the

 

 

step

 

 

 

 

occurred

SFC program in BIN code.

 

 

 

 

 

 

 

 

 

 

 

• Stores the step number when status latch is executed.

 

 

 

 

 

 

• Stores the step number in a binary value if status latch

 

 

 

 

Status latch

 

is executed in a main sequence program.

 

 

 

 

Status latch

• Stores the block number and the step number if status

 

D9055

SD1055

SD812

execution step

latch is executed in a SFC program.

 

execution step No.

 

 

 

 

No.

 

 

 

Block No.

 

 

 

Step No.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(BIN)

 

 

 

 

 

(BIN)

 

 

 

 

 

 

 

 

 

 

Higher 8 bits

 

 

 

 

Lower 8 bits

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Stores the software version of the internal system in

 

 

 

 

 

 

ASCII code.

The data in the lower byte

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Higher byte

 

Lower byte

position is indefinite.

 

 

 

 

 

 

 

 

 

 

 

 

Software version of

 

The software version is stored

 

D9060

SD1060

SD392

Software version

 

 

 

 

 

 

 

 

in the higher byte position.

QnA

 

 

 

 

internal software

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For version "A", for example, "41H" is stored.

 

 

 

 

 

 

 

 

 

 

 

 

Note: The software version of the initial system may

 

 

 

 

 

 

 

differ from the version indicated by the version

 

 

 

 

 

 

 

information printed on the rear of the case.

 

 

 

 

PLC

Data check of serial

• In the self-loopback test of the serial communication

 

D9072

SD1072

 

communications

communication

module, the serial communication module writes/reads

 

 

 

 

check

module

data automatically to make communication checks.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Number of

 

• Stores the number of empty blocks in the

 

 

 

 

empty blocks in

 

 

 

 

 

 

communication request registration area to the remote

 

D9081

SD1081

SD714

communications

0 to 32

QnA

terminal module connected to the MELSECNET/MINI-

 

 

 

request

 

 

 

 

 

 

S3 master unit, A2C or A52G.

 

 

 

 

registrtion area

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11 - 90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11 - 90