Fnc 73 - Segd / Seven Segment Decoder; Bit Devices; And System User; Type - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
15.4 FNC 73 – SEGD / Seven Segment Decoder
Outline
This instruction decodes data, and turns the seven-segment display unit (1 digit) ON.
1. Instruction format
FNC 73
SEGD
2. Set data
Operand Type
S
D
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
Explanation of function and operation
1. 16-bit operation (SEGD and SEGDP)
"0" to "F" (hexadecimal numbers) in low-order 4 bits (1 digit) of
segment display unit, and stored the low-order 8 bits of
Command
input
FNC 73
SEGD
450
Mnemonic
16-bit Instruction
P
SEGD
5 steps
SEGDP
Head word device to be decoded
Word device number storing the data to be displayed in the seven-segment
display unit
Digit Specification
S D
15 External FX I/O Device – FNC 70 to FNC 79
15.4 FNC 73 – SEGD / Seven Segment Decoder
Operation Condition
32-bit Instruction
Continuous
Operation
Pulse (Single)
Operation
Description

Word Devices

Special
System User
Unit
V Z Modify K H
S
.
D
Mnemonic Operation Condition
−
Data Type
16-bit binary
16-bit binary
Others
Con- Real Charac-
Index
stant Number ter String
E " "
are decoded to data for the seven-
Pointer
P