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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
13 High-Speed Processing – FNC 50 to FNC 59
13.1 FNC 50 – REF / Refresh
11
FNC30-FNC39
Rotation and
Shift
12
FNC40-FNC49
Data Operation
13
FNC50-FNC59
High-Speed
Processing
14
FMC60-FNC69
Handy
Instruction
15
FNC70-FNC79
External FX I/O
Device
16
FNC80-FNC89
External FX
Device
17
FNC100-FNC109
Data
Transfer 2
18
FNC110-FNC139
Floating Point
19
FNC140-FNC149
Data
Operation 2
20
FNC150-FNC159
Positioning
Control
Cautions
1. Setting the number of refreshed points "n"
Set a multiple of 8 such as "K8 (H8), K16 (H10) … K256 (H100)". Any other numeric value causes an error.
2. Setting the head device number
Make sure that the least significant digit number is "0" such as "X000, X010, X020 …"or " Y000, Y010, Y020 …"
Program examples
1. When refreshing inputs
Only X010 to X017 (8 points in total) are refreshed.
2. When refreshing outputs
Y000 to Y007, Y010 to Y017 and Y020 to Y027 (24 points in total) are refreshed.
ON
ON
20ms5ms
10ms 10ms
Does not turn ON.
ON
10ms
Input signal (X)
Filter time
Input refresh
REF instruction + END processing
END instruction (input) processing
Input terminal
REF instruction (executed)
Only END processing
Improved response
delay time
D
X000
FNC 50
REF
X010 K 8
D
n
X001
FNC 50
REF
Y000 K 24
D
n