Step Start And End Instructions (S, R) [Sn/Blm\Sn] - Mitsubishi Electric MELSEC-Q Series Programming Manual

Step START and END instructions (s, r) [Sn/BLm\Sn]

QCPU
Programmable controller CPU
Basic High Performance
*1
 
*1 The serial number (first five digits) shall be 04122 or later.
Usable Devices
Internal device File
(System, User) Register
R
Bit Word
*2
(d)  
Data Type Programs Using Instructions
Sequence
Program

(d) Device name
*2 Only step relay (Sn) can be used
Function
■Step START instruction (s)
• A specified step at a specified block is activated forcibly. Operation at the block in question varies as follows, depending on
whether the block is active or inactive.
Item Description
When the specified block is The specified block is activated when the instruction is executed, and processing starts from the specified step.
inactive: Processing is performed as shown below when step 1 in block 1 is started in the sequence program.
When the block START/END bit of the SFC information devices has been set, the corresponding bit device changes from OFF
to ON.
Process CPU
Universal
 
Link Direct J\ Intelligent
Function
Module
U\G
Bit Word
SFC Program
Step Transition
Condition
 
4.4 Controlling SFC Programs by Instructions (SFC Control Instructions)
LCPU
Redundant CPU
 
Index Z Constant Expansion
K, H SFC
BLm\Sn
 
Execution Site
Block Step
 
4 SFC PROGRAM CONFIGURATION
Other
Sn
4

Transition
Condition

95