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Mitsubishi MELSEC Q Series Structured Programming Manual

Mitsubishi MELSEC Q Series
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5-150
5.5 Standard Selection Functions
5.5.1 Selection
SEL(_E)
Operation Error
No operation error occurs in the execution of the SEL(_E) function.
Program Example
The program which selects either of values input to and according to the value input to ,
and outputs the operation result from in the same data type as that of and .
(a) Function without EN/ENO (SEL)
[Structured ladder]
[ST]
g_word3 := SEL (g_bool1, g_word1, g_word2);
(b) Function with EN/ENO (SEL_E)
[Structured ladder]
[ST]
g_bool3 := SEL_E (g_bool1, g_bool2, g_word1, g_word2, g_word3);
s2
s3 s1
d
s2
s3

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Mitsubishi MELSEC Q Series Specifications

General IconGeneral
SeriesMELSEC Q Series
TypeModular PLC
Programming SoftwareGX Works2, GX Works3
CategoryProgrammable Logic Controller (PLC)
I/O ModulesDigital I/O, Analog I/O, High-Speed Counter, Positioning
CommunicationEthernet, CC-Link
Programming LanguagesLadder Logic, Structured Text, Function Block Diagram, Sequential Function Chart, Instruction List
MemoryFlash Memory
I/O PointsUp to 4096 points (expandable with additional modules)
Power SupplyAC or DC power supply options available, depending on the base unit and modules.
MountingDIN rail mounting
Operating Temperature0°C to 55°C
Storage Temperature-25°C to 75°C
Humidity5% to 95% (non-condensing)
Vibration Resistance10 to 57 Hz, 0.075mm amplitude
WeightVaries depending on the module, from a few grams to several kilograms.
Shock Resistance147 m/s² (3 times each in X, Y, Z directions)

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