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MELSEC-Q
11 TROUBLESHOOTING
(12) For redundant system (tracking) for Q4AR only
Either the backup mode or the second mode is valid for SM1700 to SM1799. All is turned off
for standalone system.
Number
Name
Meaning
Explanation
Set by
(When Set)
ACPU
M9
Applicable
CPU
SM1700
Tracking execution
flag
OFF : Execution not
possible
ON : Execution
possible
• Turns on when tracking is executed normally.
S (status
change)
New
SM1712 SM1712 Block 1
SM1713 SM1713 Block 2
SM1714 SM1714 Block 3
SM1715 SM1715 Block 4
SM1716 SM1716 Block 5
SM1717 SM1717 Block 6
SM1718 SM1718 Block 7
SM1719 SM1719 Block 8
SM1720 SM1720 Block 9
SM1721 SM1721 Block 10
SM1722 SM1722 Block 11
SM1723 SM1723 Block 12
SM1724 SM1724 Block 13
SM1725 SM1725 Block 14
SM1726 SM1726 Block 15
SM1727 SM1727 Block 16
SM1728 SM1728 Block 17
SM1729 SM1729 Block 18
SM1730 SM1730 Block 19
SM1731 SM1731 Block 20
SM1732 SM1732 Block 21
SM1733 SM1733 Block 22
SM1734 SM1734 Block 23
SM1735 SM1735 Block 24
SM1736 SM1736 Block 25
SM1737 SM1737 Block 26
SM1738 SM1738 Block 27
SM1739 SM1739 Block 28
SM1740 SM1740 Block 29
SM1741 SM1741 Block 30
SM1742 SM1742 Block 31
SM1743 SM1743 Block 32
SM1744 SM1744 Block 33
SM1745 SM1745 Block 34
SM1746 SM1746 Block 35
SM1747 SM1747 Block 36
SM1748 SM1748 Block 37
SM1749 SM1749 Block 38
SM1750 SM1750 Block 39
SM1751 SM1751 Block 40
SM1752 SM1752 Block 41
SM1753 SM1753 Block 42
SM1754 SM1754 Block 43
SM1755 SM1755 Block 44
SM1756 SM1756 Block 45
SM1757 SM1757 Block 46
SM1758 SM1758 Block 47
SM1759
Transmission trigger
end flag
OFF : Transmission
uncompleted
ON : Transmission
end
SM1759 Block 48
• One scan turns on when the
corresponding data transmission
has been completed.
S (status
change)
New
Q4AR