11 TROUBLESHOOTING

MELSEC-Q

Special Relay List (Continued)

Number

Name

 

Meaning

 

 

 

Explanation

Set by

ACPU

Applicable

 

 

 

 

(When Set)

M9

CPU

 

 

 

 

 

 

 

 

 

SM1546

 

 

 

 

SM1546

Block 27

 

 

 

 

 

SM1547

 

 

 

 

SM1547

Block 28

 

 

 

 

 

SM1548

 

 

 

 

SM1548

Block 29

 

 

 

 

 

SM1549

 

 

 

 

SM1549

Block 30

 

 

 

 

 

SM1550

 

 

 

 

SM1550

Block 31

 

 

 

 

 

SM1551

 

 

 

 

SM1551

Block 32

 

 

 

 

 

SM1552

 

 

 

 

SM1552

Block 33

 

 

 

 

 

SM1553

 

 

 

 

SM1553

Block 34

 

 

 

 

 

SM1554

 

 

 

 

SM1554

Block 35

 

 

 

 

 

SM1555

 

 

 

 

SM1555

Block 36

 

 

 

 

 

SM1556

 

 

 

 

SM1556

Block 37

 

 

 

 

 

SM1557

 

 

 

 

SM1557

Block 38

 

 

 

 

 

SM1558

 

 

 

 

SM1558

Block 39

 

 

 

 

 

SM1559

 

 

 

 

SM1559

Block 40

 

 

 

 

 

SM1560

 

 

 

 

SM1560

Block 41

 

 

 

 

 

SM1561

 

 

 

 

SM1561

Block 42

 

 

 

 

 

SM1562

 

 

 

 

SM1562

Block 43

 

 

 

 

 

SM1563

Data tracking

 

 

 

SM1563

Block 44

• Specified the blocks to trigger

 

 

 

SM1564

 

 

 

SM1564

Block 45

 

 

 

 

transmission link

OFF: No trigger

 

 

when the data is transmitted by

U

 

 

SM1565

ON

: Trigger

 

SM1565

Block 46

 

the data tracking instruction

 

 

specification

 

 

 

 

 

SM1566

 

 

 

SM1566

Block 47

 

S. TRUCK.

 

New

Q4AR

 

 

 

 

 

 

SM1567

 

 

 

 

SM1567

Block 48

 

 

 

 

 

SM1568

 

 

 

 

SM1568

Block 49

 

 

 

 

 

SM1569

 

 

 

 

SM1569

Block 50

 

 

 

 

 

SM1570

 

 

 

 

SM1570

Block 51

 

 

 

 

 

SM1571

 

 

 

 

SM1571

Block 52

 

 

 

 

 

SM1572

 

 

 

 

SM1572

Block 53

 

 

 

 

 

SM1573

 

 

 

 

SM1573

Block 54

 

 

 

 

 

SM1574

 

 

 

 

SM1574

Block 55

 

 

 

 

 

SM1575

 

 

 

 

SM1575

Block 56

 

 

 

 

 

SM1576

 

 

 

 

SM1576

Block 57

 

 

 

 

 

SM1577

 

 

 

 

SM1577

Block 58

 

 

 

 

 

SM1578

 

 

 

 

SM1578

Block 59

 

 

 

 

 

SM1579

 

 

 

 

SM1579

Block 60

 

 

 

 

 

SM1580

 

 

 

 

SM1580

Block 61

 

 

 

 

 

SM1581

 

 

 

 

SM1581

Block 62

 

 

 

 

 

SM1582

 

 

 

 

SM1582

Block 63

 

 

 

 

 

SM1583

 

 

 

 

SM1583

Block 64

 

 

 

 

 

 

Switching status from

OFF: Normal

• Turns on when could not be executed normally when the

S (Error

 

 

SM1590

ON

: Switching

network module detects a network error and issues a

 

 

the network module

ocurrs)

 

 

 

 

 

unsuccessful

switching request to the host system CPU.

 

 

 

11 - 60

11 - 60