Mitsubishi Electronics Q02CPU, Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU 213

11 TROUBLESHOOTING

MELSEC-Q

Special Register List (Continue)

ACPU

Special

Corresponding

Special

Name

Meaning

Details

CPU

Conversion

Modification

Stores conditions

Stores the local station number which is in STOP or PAUSE

D9248

SD1248

for up to numbers 1

mode.

to 16

Device

Bit

number

b15

b14

b13

b12

b11

b10

Stores conditions

D9249

SD1249

SD1248

L16

L15

L14

L13

L12

L11

L10

Local station

for up to numbers

SD1249

L32

L31

L30

L29

L28

L27

L26

L25

L24

L23

L22

L21

L20

L19

L18

L17

17 to 32

SD1250

L48

L47

L46

L45

L44

L43

L42

L41

L40

L39

L38

L37

L36

L35

L34

L33

operation

SD1251

L64

L63

L62

L61

L60

L59

L58

L57

L56

L55

L54

L53

L52

L51

L50

L49

Stores conditions

status

The bit corresponding to the station number which is in

D9250

SD1250

for up to numbers

STOP or PAUSE mode, becomes "1".

33 to 48

Example: When local stations 7 and 15 are in STOP mode,

Stores conditions

bits 6 and 14 of SD1248 become "1", and when

D9251

SD1251

for up to numbers

SD1248 is monitored, its value is "16448

49 to 64

(4040H)".

QnA

D9252

SD1252

Stores conditions

Stores the local station number other than the host, which is

for up to numbers 1

in error.

to 16

Device

Bit

Stores conditions

number

b15

b14

b13

b12

b11

b10

D9253

SD1253

SD1252

L16

L15

L14

L13

L12

L11

L10

for up to numbers

Local station

SD1253

L32

L31

L30

L29

L28

L27

L26

L25

L24

L23

L22

L21

L20

L19

L18

L17

17 to 32

error

SD1254

L48

L47

L46

L45

L44

L43

L42

L41

L40

L39

L38

L37

L36

L35

L34

L33

Stores conditions

SD1255

L64

L63

L62

L61

L60

L59

L58

L57

L56

L55

L54

L53

L52

L51

L50

L49

conditions

D9254

SD1254

for up to numbers

The bit corresponding to the station number which is in error,

33 to 48

becomes "1".

Stores conditions

Example: When local station 12 is in error, bit 11 of SD1252

D9255

SD1255

for up to numbers

becomes "1", and when SD1252 is monitored, its

49 to 64

value is "2048 (800H) ".

(11) Fuse blown module

																																	Set by	Corresponding	Corresponding
Number	Name	Meaning												Explanation																			(When	ACPU	Corresponding
Number	Name	Meaning												Explanation																			(When	ACPU	CPU
																																	set)	D9	CPU
																																	set)	D9
SD1300			• The numbers of output modules whose fuses have blown are																															D9100
SD1301			input as a bit pattern (in units of 16 points).																															D9101
SD1302			(If the module numbers are set by parameter, the parameter-set																															D9102
SD1303		Bit pattern in units	numbers are stored.)																															D9103
SD1304		of 16 points,	• Also detects blown fuse condition at remote station output																															D9104
SD1305		indicating the	modules																															D9105
SD1305		indicating the		15	14		13		12		11		10		9		8		7		6		5		4		3		2		1	0		D9105
SD1306	Fuse blown	modules whose		15	14		13		12		11		10		9		8		7		6		5		4		3		2		1	0		D9106
SD1306	Fuse blown	modules whose	SD1300	0		0		0		1		0		0		0		1		0		0		0		0		0		0	0	0	S (Error)	D9106	+Rem
SD1307	module	fuses have blown	SD1300	0		0		0		(YC0)		0		0		0		(Y80)		0		0		0		0		0		0	0	0	S (Error)	D9107	+Rem
SD1307	module	fuses have blown		1										1																				D9107
SD1308		0: No blown fuse	SD1301	1		0		0		0		0		1		0		0		0		0		0		0		0		0	0	0		New
SD1308		0: No blown fuse	SD1301	(Y1F0)		0		0		0		0		(Y1A)		0		0		0		0		0		0		0		0	0	0		New
SD1309		1: Blown fuse		0		0		0		0		1		0		0		0		0		0		0		0		1		0	0	0
		1: Blown fuse
		present	SD1331
to												(Y1F																(Y1F						New
to												B0)																30)						New
SD1330																		Indicates a blown fuse
SD1331			• Not cleared even if the blown fuse is replaced with a new one.																															New
SD1331			This flag is cleared by error resetting operation.																															New
			This flag is cleared by error resetting operation.
		Bit pattern in units	The module number (in units of 16 points) whose external power
		of 16 points,	supply has been disconnected is input as a bit pattern.
		indicating the	(If the module numbers are set by parameter, the parameter-set
	External	modules whose	numbers are used.)								11		10		9		8		7		6		5		4		3		2		1	0
	External	external power		15	14		13		12		11		10		9		8		7		6		5		4		3		2		1	0
	power supply	external power	SD1350	0	0		0		1		0		0		0		1		0		0		0		0		0		0		0	0
SD1350	disconnected	supply has been	SD1350	0	0		0		1		0		0		0		1		0		0		0		0		0		0		0	0			QCPU
SD1350		supply has been
to		disconnected	SD1351	1	0		0		0		0		1		0		0		0		0		0		0		0		0		0	0	S (Error)	New
to	module	disconnected																															S (Error)	New	Remote
SD1381	module	0: External power																																	Remote
SD1381	(For future	0: External power
	(For future	supply
	expansion)	supply
	expansion)	disconnected
		disconnected
		1: External power
		1: External power	SD1381	0	0		0		0		1		0		0		0		0		0		0		0		1		0		0	0
		supply is not	SD1381	0	0		0		0		1		0		0		0		0		0		0		0		1		0		0	0
		supply is not																Indicates a blown fuse
		disconnected																Indicates a blown fuse

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Mitsubishi Electronics manual 213

Models: Q02CPU Q02HCPU Q06HCPU Q12HCPU Q25HCPU