Mitsubishi Electric MELSEC FX3U Programming Manual page 462

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Program example
1. When changing the timer number and displaying the current value
1) Specifying the timer number using a 3-digit digital switch
X010
X011
X012
X013
8 4
Y012
2) Setting the constant of the timer using the arrow switches
Y007 Y006 Y005
Read
Y014
Y015
Write
Read
Set
Write
X004 X003 X002 X000
Explanation of operation
Every time the read/write key is pressed, the read/write LED lights alternately.
• In reading
Set the timer number using the digital switch, and then press the set switch (X003).
• In writing
Set a numeric value using the arrow switches while looking at the seven-segment display unit, and then
press the switch X003.
460
2 1 8 4 2 1
2 1
10 10
Y011
Y004
1
2
4
8
X001
15 External FX I/O Device – FNC 70 to FNC 79
8 4 2 1
0
10
Y010
Y000
Y001
Y002
Y003
15.6 FNC 75 – ARWS / Arrow Switch