Sfc Operation Mode Setting - Mitsubishi Electric MELSEC-Q Series Programming Manual

4.7

SFC Operation Mode Setting

The SFC operation mode setting is used to designate SFC program START conditions, or to designate the processing
method at a double START.
Some settings can be made in "SFC setting of PLC parameter dialog box" in the system common setting and the others can
be made in "block parameter" of the SFC program.
The SFC operation mode setting items and the resulting operations are shown below.
Item Description
SFC program start Designates an "Initial
mode start" or "Resume start"
when the SFC program
is started.
Start conditions Designates whether
block 0 is to be started
automatically.
Output mode when the Designates the coil
block is stopped output mode at a block
STOP.
Periodic execution Designates the first
block setting block No. of the periodic
execution blocks.
Designates the time
interval for execution of
the periodic execution
blocks.
Act at block multi- Designates the
activated operation which occurs
when a START request
is made for a block
which is already active.
Act at step multi- Designates the
activated operation which occurs
when a transition
(follow-up) is executed
to a step which is
already active, or when
an active step is started.
: Can be set, : Cannot be set.
*1 For the following CPU modules, this item cannot be set. For these models, this operation is performed only in the "WAIT" mode.
 Q00UJCPU, Q00UCPU, Q01UCPU, and Q02UCPU
 Universal model QCPU whose serial number (first five digits) is "12051" or earlier
 L02(S)CPU and L02(S)CPU-P
LCPU whose serial number (first five digits) is "15101" or earlier
Setting Range Default Value
Initial start/Resume start Initial start
Autostart block 0/ Autostart block 0
Do not autostart block 0
Turn OFF/Keep ON OFF
0 to 319 No setting
1 to 65535 ms
Stop blocks Waiting blocks
(A block range can be
designated for the stop
blocks setting.)
Waiting blocks/stop Transfer
blocks
(A step range can be
designated for the stop
blocks or "Waiting blocks"
setting.)
Basic Model High
QCPU Performance
Model QCPU,
Process CPU,
Redundant
CPU
 
 
 
 
 
(Wait only)
 
(Transfer only)
4 SFC PROGRAM CONFIGURATION
4.7 SFC Operation Mode Setting
Universal
model
QCPU, LCPU
4




*1


(Transfer only)
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