App-178
SM1552
Data tracking
transfer trigger
specification
OFF : No trigger
ON : Trigger
SM1552 Block 33
• When data is
transferred
based on the
tracking setting
of the
Redundant
parameter
dialog box, the
target block is
specified as
trigger.
• When "Do auto
forward
Tracking block
No.1" is
selected for the
tracking
setting,
SM1520 is
turned on by
the system at
power-on or
when the
system is
switched from
STOP to
RUN.In other
cases, SM1520
to SM1583 are
turned on by
the user.
S (initial)/U
New QnPRH
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 SM1563 Block 44
SM1564 SM1564 Block 45
SM1565 SM1565 Block 46
SM1566 SM1566 Block 47
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
SM1581 SM1581 Block 61
SM1582 SM1582 Block 62
SM1583 SM1583 Block 63
SM1590
System switching
enable/disable
flag from network
module
OFF : System switching
request issuing
module absent
ON : System switching
request issuing
module present
Turns on when a system switching request
is issued from the network module. The
module No. that issued system switching
can be checked by SD1590.
Turns off when all bits of SD1590 are off.
S (Every END
processing)
SM1591
Standby system
error detection
disable flag at
system switching
ON : Error is not
detected by new
standby system
at system
switching
OFF : Error is detected
by new standby
system at system
switching
This flag is used when switching the system
in any of the following sources to determine
whether to detect "STANDBY" (error code
6210) in the new standby system:
[Reason(s) for system switching]
• System switching with a programming
tool
• System switching using dedicated
instruction
• System switching by the intelligent
function module
U
SM1592
Enable/disable
user system
switching
OFF : Disable user
system switching
ON : Enable user
system switching
This relay stores whether to enable manual
switching using a programming tool or the
system switching instruction (SP.CONTSW).
Number
Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
M9
Corresponding
CPU