App
- 25
Appendix 1 Special Relay List
APPENDICES
Number
Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
M9
Corresponding
CPU
SM1517
CPU module startup
status
OFF : Power supply on
startup
ON : Operation system
switch start up
• Turns on when the CPU module is started up by the
operation system switch.
• Reset using the user program.
S (Status
change)/U
New
Q4AR
• Turns on when the CPU module is started up by the
system switching (switching from the standby system
to the control system). Remains OFF when the
standby system is switched to the control system by
a power-ON startup.
S (Status change)
New
QnPRH
SM1518
Tracking execution
mode
OFF : Batch transfer mode
ON : Carryover mode
• When this relay is turned OFF, the start of tracking is
delayed until it is executable if the tracking memory
is being used at END.
• When this relay is turned ON, the start of tracking is
carried over to next END if the tracking memory is
being used at END.
U
New
Q4AR
Standby system to
control system
switching status flag
• Turns ON once switch between standby system to
control system, (ON for 1 scan only) occurs.
• This status flag can only be used for scan execution
type programs.
S (Each END)
New
QnPRH
SM1519
Previous Control
System Identification
Flag
• On the last operation Control System was System
B,if power supply is supplied, or reset is released on
both SYSTEM together,After RUN, ON for 1 scan
only by System A side.
S (Each END)
New
SM1520
Data tracking transfer
trigger specification
OFF : No trigger
ON
: Trigger
SM1520
Block 1
<In the case of Q4AR>
• When data is transferred
by the data tracking
instruction S. TRUCK, the
target block is specified
as trigger.
<In the case of QnPRH>
• When data is transferred
based on the tracking
setting of the redundant
parameter dialog box, the
target block is specified
as trigger.
• When "Auto Tracking
block No.1" is enabled in
the tracking setting,
SM1520 is turned ON by
the system at power ON/
STOP to RUN. In other
cases, SM1520 to
SM1583 are turned ON
by the user.
<In the case of
Q4AR>
U
<In the case of
QnPRH>
S (initial)/U
New
Q4AR
QnPRH
SM1521
SM1521
Block 2
SM1522
SM1522
Block 3
SM1523
SM1523
Block 4
SM1524
SM1524
Block 5
SM1525
SM1525
Block 6
SM1526
SM1526
Block 7
SM1527
SM1527
Block 8
SM1528
SM1528
Block 9
SM1529
SM1529
Block 10
SM1530
SM1530
Block 11
SM1531
SM1531
Block 12
SM1532
SM1532
Block 13
SM1533
SM1533
Block 14
SM1534
SM1534
Block 15
SM1535
SM1535
Block 16
SM1536
SM1536
Block 17
SM1537
SM1537
Block 18
SM1538
SM1538
Block 19
SM1539
SM1539
Block 20
SM1540
SM1540
Block 21
SM1541
SM1541
Block 22
SM1542
SM1542
Block 23
SM1543
SM1543
Block 24
SM1544
SM1544
Block 25
SM1545
SM1545
Block 26
SM1546
SM1546
Block 27
SM1547
SM1547
Block 28
SM1548
SM1548
Block 29
ON
OFF
1 scan
ON
OFF
1 scan
Содержание Q00CPU
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