Fnc 75 - Arws / Arrow Switch; Index; Con; Stant Number - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
15.6 FNC 75 – ARWS / Arrow Switch
Outline
This instruction inputs data through arrow switches used for shifting the digit and incrementing/decrementing
the numeric value in each digit.
1. Instruction format
FNC 75
ARWS
2. Set data
Operand Type
S
D
1
D
2
n
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
S
D
1
D
2
n
: "D .b" cannot be indexed with index registers (V and Z).
Mnemonic
16-bit Instruction
9 steps ARWS
Head bit device number to be input
Word device number storing data converted into BCD
Head bit device (Y) number connected to seven-segment display unit
Number of digits of seven-segment display unit [setting range: K0 to K3]
Digit Specification
15 External FX I/O Device – FNC 70 to FNC 79

Operation Condition

32-bit Instruction
Continuous
Operation
Description
Word Devices
Special
System User
Unit
V Z Modify K H
15.6 FNC 75 – ARWS / Arrow Switch
Mnemonic Operation Condition
−

Data Type

16-bit binary
16-bit binary
16-bit binary
16-bit binary
Others

Con-

Real

Charac-

Index

stant Number ter String
E " "
11
12
13
14
15
Pointer
P
16
17
18
19
20
457