Mitsubishi Electric MELSEC FX3U Programming Manual page 493

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Program example
1. Example in which the scale value is used as a rotary switch
Either one among auxiliary relays M0 to M10 turns ON in accordance with the scale value in the range from
0 to 10 of the specified variable analog potentiometer.
X000
FNC 86
X001
FNC 41
M0
M1
M10
Cautions
• In 14-point and 24-point type FX
option connector 1, and occupies the communication channel ch1.
In this case, the communication function using the communication channel ch1 is not available when the
VRRD or VRSC instruction is used.
• In 40-point and 60-point type FX
to the option connector 2, and occupies the communication channel ch2.
In this case, the communication function using the communication channel ch2 is not available when the
VRRD or VRSC instruction is used.
K1 D1
VRSC
D1 M0
DECO
M0 turns ON when the scale value is "0".
M0 turns ON when the scale value is "1".
M0 turns ON when the scale value is "10".
PLCs, the variable analog potentiometer board can be connected to the
3G
PLCs, the variable analog potentiometer board can be connected only
3G
→ For details, refer to the Communication Control Edition manual.
16 External FX Device – FNC 80 to FNC 89
The FNC41 (DECO)
K4 instruction occupies auxiliary
relays M0 to M15.
16.7 FNC 86 - VRSC / Volume Scale
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14
15
16
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18
19
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