Mitsubishi Q Series Programming Guide

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4 SFC PROGRAM CONFIGURATION
MELSEC-Q
(6) Parallel transition operation flowchart
Step 2 Step 3 Step 4
Step 1
Transition
condition “b”
Waiting
step
Waiting
step
Transition
condition “c”
Transition
condition “d”
Transition
condition “f”
Step 5
Transition
condition “g”
Initial step
Transition
condition “a”
Waiting
step
Transition
condition “e”
NO
1 For steps with attribute designations,
processing occurs in accordance with
the attributes.
Step 5 operation output
deactivated.
Step 5 operation output
executed.
Step 2 operation output
deactivated.
Transition condition
“f” satisfied?
Transition condition
“c” satisfied?
Step 2 operation output
executed.
Step 1 operation output
deactivated.
Transition condition
“b” satisfied?
Step 1 operation output
executed.
Initial step operation output
deactivated.
Transition condition
“a” satisfied?
Operation status
Initial step operation output
executed.
1
YES
YES
NO
1
NO
NO
YES
YES
1
Waiting step executed.
NO
YES
NO
YES
1
Step 3 operation output
executed.
Step 4 operation output
executed.
Transition condition
“d” satisfied?
Transition condition
“e” satisfied?
Step 4 operation output
deactivated.
Step 3 operation output
deactivated.
All waiting steps
executed?
YES
NO
YES
1
Transition condition
“g” satisfied?
END step executed,
operation completed.
NO
Parallel processing
Waiting step executed. Waiting step executed.
1

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