Mitsubishi Electronics manual 211

11 TROUBLESHOOTING

MELSEC-Q

Special Register List (Continue)

ACPU

Special

Special

Corresponding

Special

Register after

Register for

Name

Meaning

Details

CPU

Conversion

Conversion

Modification

Stores conditions

Station numbers of local stations that have detected

D9216

SD1216

for up to numbers

errors are stored into corresponding data register bits as

1 to 16

indicated below.

Stores conditions

Device

Bit

D9217

SD1217

for up to numbers

number

b15

b14

b13

b12

b11

b10

b9

b8

b7

b6

b5

b4

b3

b2

b1

b0

SD1216

L16

L15

L14

L13

L12

L11

L10

L9

L8

L7

L6

L5

L4

L3

L2

L1

Local station

17 to 32

SD1217

L32

L31

L30

L29

L28

L27

L26

L25

L24

L23

L22

L21

L20

L19

L18

L17

error detect

Stores conditions

SD1218

L48

L47

L46

L45

L44

L43

L42

L41

L40

L39

L38

L37

L36

L35

L34

L33

SD1219

L64

L63

L62

L61

L60

L59

L58

L57

L56

L55

L54

L53

L52

L51

L50

L49

D9218

SD1218

status

for up to numbers

If a local station detects an error, the bit corresponding to

33 to 48

the station number becomes "1".

Stores conditions

Example: When station 6 and 12 detect an error, bits 5

and 11 in SD1216 become "1", and when

D9219

SD1219

for up to numbers

SD1216 is monitored, its value is "2080

49 to 64

(820H)".

Stores conditions

Stores the local station numbers that have mismatches

D9220

SD1220

for up to numbers

between the parameters of the master station of tier three

1 to 16

and those of the master station in tier two in the three tier

Stores conditions

system or the remote I/O station numbers that have

D9221

SD1221

for up to numbers

incorrect I/O assignment, as shown below in

17 to 32

correspondence with the data register bits.

Local station

Stores conditions

Device

Bit

number

b15

b14

b13

b12

b11

b10

b9

b8

b7

b6

b5

b4

b3

b2

b1

b0

D9222

SD1222

parameters

for up to numbers

SD1220

L16

L15

L14

L13

L12

L11

L10

L9

L8

L7

L6

L5

L4

L3

L2

L1

non-conforming;

33 to 48

SD1221

L32

L31

L30

L29

L28

L27

L26

L25

L24

L23

L22

L21

L20

L19

L18

L17

SD1222

L48

L47

L46

L45

L44

L43

L42

L41

L40

L39

L38

L37

L36

L35

L34

L33

remote I/O

SD1223

L64

L63

L62

L61

L60

L59

L58

L57

L56

L55

L54

L53

L52

L51

L50

L49

station I/O

If a local station acting as the master station of tier three

allocation error

detects a parameter error or a remote station contains an

Stores conditions

invalid I/O assignment, the bit corresponding to the

D9223

SD1223

for up to numbers

station number becomes "1".

49 to 64

Example:

When local station 5 and remote I/O station

14 detect an error, bits 4 and 13 in SD1220

QnA

become "1" , and when SD1220 is monitored,

its value is "8208 (2010H) " .

Stores conditions

Stores the local or remote station numbers while they are

D9224

SD1224

for up to numbers

communicating the initial data with their relevant master

1 to 16

station.

Stores conditions

Device

Bit

D9225

SD1225

for up to numbers

number

b15

b14

b13

b12

b11

b10

b9

b8

b7

b6

b5

b4

b3

b2

b1

b0

SD1224

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

Local station

17 to 32

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

SD1225

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

and remote I/O

SD1226

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

Stores conditions

station initial

SD1227

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

D9226

SD1226

for up to numbers

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

The bit corresponding to the station number which is

communications

33 to 48

underway

currently communicating the initial settings becomes "1" .

Stores conditions

Example: When stations 23 and 45 are communicating,

bit 6 of SD1225 and bit 12 of SD1226

D9227

SD1227

for up to numbers

become "1", and when SD1225 is monitored,

49 to 64

its value is "64 (40H)", and when SD1226 is

monitored, its value is "4096 (1000H)"

Stores conditions

Stores the local or remote station numbers which are in

D9228

SD1228

for up to numbers

error.

1 to 16

Device

Bit

Stores conditions

number

b15

b14

b13

b12

b11

b10

b9

b8

b7

b6

b5

b4

b3

b2

b1

b0

SD1228

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

D9229

SD1229

for up to numbers

SD1229

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

Local station

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

SD1230

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

17 to 32

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

and remote I/O

SD1231

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

L/R

Stores conditions

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

The bit corresponding to the station number with the error

station error

D9230

SD1230

for up to numbers

becomes "1" .

33 to 48

Example: When local station 3 and remote I/O station

Stores conditions

14 have an error, bits 2 and 13 of SD1228

D9231

SD1231

for up to numbers

become "1", and when SD1228 is monitored,

49 to 64

its value is "8196 (2004H)".

11 - 95 11 - 95