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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
16 External FX Device – FNC 80 to FNC 89
16.3 FNC 82 – ASCI / Hexadecimal to ASCII Conversion
11
FNC30-FNC39
Rotation and
Shift
12
FNC40-FNC49
Data Operation
13
FNC50-FNC59
High Speed
Processing
14
FMC60-FNC69
Handy
Instruction
15
FNC70-FNC79
External FX I/O
Device
16
FNC80-FNC89
External FX
Device
17
FNC100-FNC109
Data
Transfer 2
18
FNC110-FNC139
Floating Point
19
FNC140-FNC149
Data
Operation 2
20
FNC150-FNC159
Positioning
Control
2. 16-bit conversion mode (while M8161 is OFF) (M8161 is also used for the RS, HEX, CCD and CRC
instructions.)
Each digit of hexadecimal data stored in and later is converted into ASCII code, and transferred to the high-
order 8 bits and low-order 8 bits of each device and later. The number of digits (characters) to be converted is
specified by "n".
Each ASCII code is stored in either the high-order 8 bits or low-order 8 bits of each device and later.
M8161 is used also for RS, HEX, CCD and CRC instructions. When using the 16-bit mode, set M8161 to normally
OFF. M8161 is cleared when the PLC mode is changed from RUN to STOP.
Operation
In the following program, conversion is executed as follows:
Devices after
D100 = 0ABCH
D101 = 1234H
D102 = 5678H
Number of specified digits (characters) and conversion result
Bit configuration in the case of "n = K4"
• When outputting data in the BCD format for a printer, for example, it is necessary to convert binary data into BCD
data before executing this instruction.
n
K1 K2 K3 K4 K5 K6 K7 K8 K9
Low-order 8 bits of D200 [C] [B] [A] [0] [4] [3] [2] [1] [8]
High-order 8 bits of D200 [C] [B] [A] [0] [4] [3] [2] [1]
Low-order 8 bits of D201 [C] [B] [A] [0] [4] [3] [2]
High-order 8 bits of D201 [C] [B] [A] [0] [4] [3]
Low-order 8 bits of D202 [C] [B] [A] [0] [4]
High-order 8 bits of D202 [C] [B] [A] [0]
Low-order 8 bits of D203 Does not change [C] [B] [A]
High-order 8 bits of D203 [C] [B]
Low-order 8 bits of D204 [C]
S
D
D
M8161
M8000
FNC 82
ASCI
nS
Command
input
D
16-bit mode
M8161
M8000
FNC 82
ASCI
D100 D200 K4
X010
16-bit mode
S
D
0000110010000010
0100001011000010
0011110101010000
D 100 = 0ABCH
0ABC
D 200
[A]
→
41H [0]
→
30H
D 201
[C]
→
43H [B]
→
42H
ASCII code
[0] = 30H [1] = 31H [5] = 35H
[A] = 41H [2] = 32H [6] = 36H
[B] = 42H [3] = 33H [7] = 37H
[C] = 43H [4] = 34H [8] = 38H