11 TROUBLESHOOTING

MELSEC-Q

Special Register List (Continued)

ACPU

Special

Special

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corresponding

Special

Register after

Register for

Name

Meaning

 

 

 

 

 

 

 

 

 

 

 

Details

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU

Conversion

Conversion

Modification

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• If I/O modules, of which data are different from data

 

 

 

 

 

 

 

 

 

 

entered, are detected when the power is turned on,

 

 

 

 

 

 

 

 

 

 

the first I/O number of the lowest number unit among

 

 

 

 

 

 

 

 

 

 

the detected units is stored in hexadecimal. (Storing

 

 

 

 

 

 

 

I/O module

I/O module

 

method is the same as that of SD1000.) To monitor

 

 

D9002

SD1002

 

 

 

verification error

 

the number by peripheral devices, perform monitor

 

 

 

 

 

verification error

 

 

 

 

 

 

 

 

 

 

 

 

 

module number

 

operation given in hexadecimal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Cleared when all contents of SD1116 to SD1123 are

 

 

 

 

 

 

 

 

 

reset to 0.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• I/O module verify check is executed also to the

 

 

 

 

 

 

 

 

 

 

 

 

modules of remote I/O terminals.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Stores the MINI(S3) link error detection status in the

 

 

 

 

 

 

 

 

 

 

mounted MELSECNET/MINI-S3 master module.

 

 

 

 

 

 

 

 

 

 

 

B15

 

 

 

 

 

to

 

 

B8

B7

 

 

 

 

 

 

to

 

 

 

 

B0

 

 

 

 

 

 

 

 

8

7

6

 

5

 

4

3

2

1

 

8

 

7

6

 

5

 

4

 

3

2

 

1

 

D9004

SD1004

 

 

 

MINI link master

Error detection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QnA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

module errors

state

 

On the PLC CPU and

 

 

 

 

 

Bits which correspond to the signals of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A(1S)J71PT32(S3) side, the bit

 

 

 

A(1S)J71PT32(S3), shown below, are

 

 

 

 

 

 

 

 

 

corresponding to the

 

 

 

 

 

turned on as the signals are turned on.

 

 

 

 

 

 

 

 

 

A(1S)J71PT32(S3) that cannot

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

· Hardware error (X0/X20)

 

 

 

 

 

 

 

 

 

 

 

 

make data communication turns ON.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

· MINI(S3) link error datection (X6/X26)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

· MINI(S3) link communication error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(X7/X27)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Turned ON if instantaneous power failure of within

 

 

 

 

 

 

 

 

 

 

20ms occurs when AC power supply module is used,

 

 

 

 

 

 

 

 

 

and reset when power is switched OFF, then ON.

 

 

 

 

D9005

SD1005

 

 

 

AC DOWN

Number of times for

• Turned ON if instantaneous power failure of within

 

 

 

 

 

counter

AC DOWN

 

10ms occurs when DC power supply module is used,

 

 

 

 

 

 

 

 

 

 

 

and reset when power is switched OFF, then ON.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Turned ON if instantaneous power failure of within

 

 

 

 

 

 

 

 

 

 

1ms occurs when DC power supply module is used,

 

QnA

 

 

 

 

 

 

 

 

and reset when power is switched OFF, then ON.

 

 

 

 

D9008

SD1008

SD0

Self-diagnosis

Self-diagnosis error

• When error is found as a result of self-diagnosis, error

 

error

code

 

code is stored in BIN code.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• When one of F0 to 2047 is turned on by

 

 

 

 

 

or

 

 

 

 

 

 

 

 

 

OUT F

 

 

 

 

 

 

 

 

 

 

 

 

, the F number, which has been detected

 

 

 

 

 

 

 

 

 

 

 

 

SET F

 

 

 

 

 

 

 

 

 

 

 

 

earliest among the F numbers which have turned on,

 

 

 

 

 

 

 

 

 

 

is stored in BIN code.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• SD62 can be cleared by

RST F

or

 

LEDR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

instruction.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If another F number has been detected, the clearing of

 

 

 

 

 

 

Annunciator

F number at which

 

SD62 causes the next number to be stored in SD62.

 

 

D9009

SD1009

SD62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

detection

external failure has

• When one of F0 to 2047 is turned on by

OUT F

or

 

 

 

 

 

 

 

occurred

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SET F

, the F number, which has been detected

 

 

 

 

 

 

 

 

 

 

 

 

earliest among the F numbers which have turned on,

 

 

 

 

 

 

 

 

 

 

is stored in BIN code.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• SD62 can be cleared by executing

RST F

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

instruction or moving INDICATOR RESET

 

 

 

 

 

 

 

 

 

 

LEDR

 

 

 

 

 

 

 

 

 

 

switch on CPU front to ON position. If another F

 

 

 

 

 

 

 

 

 

 

 

 

number has been detected, the clearing of SD62

 

 

 

 

 

 

 

 

 

 

 

 

causes the nest number to be stored in SD62.

 

 

 

 

 

 

 

 

 

 

 

• When operation error has occurred during execution

 

 

 

 

 

 

 

 

Step number at

 

of application instruction, the step number, at which

 

 

D9010

SD1010

 

 

 

Error step

which operation

 

the error has occurred, is stored in BIN code.

 

 

 

 

 

 

 

 

 

 

error has occurred.

 

Thereafter, each time operation error occurs, the

 

 

 

 

 

 

 

 

 

 

 

 

contents of SD1010 are renewed.

 

 

 

 

 

 

 

 

 

 

 

 

 

11 - 87

11 - 87