Mitsubishi Q Series Programming Guide

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4 SFC PROGRAM CONFIGURATION
MELSEC-Q
(7) Reading comment is performed at END processing for a scan that has executed
S(P).SFCSCOMR instruction.
With per END processing, this function reads the number of comments specified at the
number of comments in a single scan (n3).
Comments that are not read in per END processing are followed to the next scan.
Reading comments for active steps (maximum: the number specified at n2) is completed, the
device specified at
D2
turns ON for 1 scan.
0000
H
END 0 END 0 END 0END 0 END 0
D1
ON
OFF
Sequence program
Total number of active
steps ( +0)
Number of steps that
have read comments
( +1)
Comment ( + 2 to)
D2
Specified device at
D1
D1
S
(
P
)
.SFCSCOMR instruction executed
Previous value
Indefinite value
Comment readout completed
Comment readout
Current value
1 scan
Previous value Current value
Previous value Current value
Current value
Current value
0000
H

Mitsubishi Q Series Specifications

General

I/O Points	Up to 4096 points
Communication	Ethernet, RS-232, RS-485
I/O Modules	Digital, Analog, Specialized
Programming Language	Function Block Diagram, Structured Text
Power Supply	24V DC, 100-240V AC
Operating Temperature	0°C to 55°C
Shock Resistance	147 m/s2 acceleration, 3 times in each of X, Y, and Z directions
Program Capacity	Up to 252K steps