Mitsubishi Electric MELSEC FX3U Programming Manual page 358

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Input terminal
Input signal (X)
Filter time
REF instruction (executed)
END instruction (input) processing
Input refresh
REF instruction + END processing
Only END processing
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 (D)
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.
X000
FNC 50
REF
2. When refreshing outputs
Y000 to Y007, Y010 to Y017 and Y020 to Y027 (24 points in total) are refreshed.
X001
FNC 50
REF
356
5ms
10ms
D
n
X010 K 8
D
n
Y000 K 24
13 High Speed Processing – FNC 50 to FNC 59
Does not turn ON.
20ms
ON
10ms
10ms
ON
ON
Improved response
delay time
13.1 FNC 50 – REF / Refresh