Fnc 75 - Arws / Arrow Switch - Mitsubishi Electric FX3G SERIES Programming Manual

Programmable controllers
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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
S
D
1
D
2
n
: "D .b" cannot be indexed with index registers (V and Z).
Explanation of function and operation
Four arrow switches are connected to the inputs
decoder is connected to the outputs
1. 16-bit operation (ARWS)
D
actually stores a 16-bit binary value ranging from 0 to 9999, but the value is expressed in the BCD format in the
1
explanation below for convenience.
When the command input is set to ON, the ARWS instruction executes the following operation.
Command
input
FNC 75
ARWS
440
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
D
to
2
S
D
1
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
T
C D R U \G
to
+3, a seven-segment display unit having the BCD
S
S
D
+7, and a numeric value is input to
2
D
n
2
15.6 FNC 75 – ARWS / Arrow Switch
Mnemonic
Operation Condition
Others
Con-
Real
Index
stant
Number
V
Z Modify K
H
E
D
.
1
Data Type
Bit
16-bit binary
Bit
16-bit binary
Charac-
Pointer
ter String
" "
P

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