Mitsubishi FX3U Series Programming Manual page 399

FX /FX Series Programmable Controllers
3U 3UC
Programming Manual - Basic & Applied Instruction Edition
15. External FX I/O Device – FNC 70 to FNC 79
FNC 70 to FNC 79 provide instructions to receive data from and send data to external devices mainly using
inputs and outputs in PLCs.
Because these instructions easily achieve complicated controls with a minimum required sequence program
and external wiring, they are similar to handy instructions described in the preceding chapter.
FROM and TO instructions essential for controlling special units and special blocks are included in this group.
(In FX and FX
3U 3UC
FNC No. Mnemonic
70 TKY
71 HKY
72 DSW
73 SEGD
74 SEGL
75 ARWS
76 ASC
77 PR
78 FROM
79 TO
PLCs, transfer can be executed also by MOV instruction.)
Symbol
TKY S
HKY S D1
DSW S D1
SEGD
SEGL S
ARWS S D1
ASC S
PR
m1 m2
FROM
TO m1 m2
15 External FX I/O Device – FNC 70 to FNC 79
Function
Ten Key Input
D1 D2
Hexadecimal Input
D2 D3
Digital switch (thumbwheel input)
D2 n
Seven Segment Decoder
S D
Seven Segment With Latch
D n
Arrow Switch
D2 n
ASCII code data input
D
Print (ASCII Code)
S D
Read From A Special Function Block
D n
Write To A Special Function Block
S n
11
12
13
Reference
Section
15.1
Section
14
15.2
Section
15.3
Section
15.4
15
Section
15.5
Section
15.6
Section
16
15.7
Section
15.8
Section
15.9
17
Section
15.10
18
19
20
397