Mitsubishi Electric MELSEC FX Series - Page 379

7 Applied Instructions
7.8 External FX I/O Device
377
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
1
Outline
2
Instruction List
3
Configuration of Instruction
4
How to Read Explanation of Instructions
5
Basic Instruction
6
Step Ladder Instructions
7
Applied Instructions
8
Interrupt Function and Pulse Catch Function
A
Relationships between devices and addresses
Function and operation explanation
1. 16-bit operation(SEGD, SEGDP)
0 to F (hexadecimal) of lower 4 bits (1 digit) of the device designated in are decoded into 7-segment
display data, and stored in lower 8 bits of the device designated in .
2. 7-segement decoding table
Cautions
1) Number of bits occupied
Lower 8 bits from the output of the device designated in are occupied, and the upper 8 bits are not
changed.
2) Object devices are limited.
S1: FX
3U, FX3UC PLCs only are applicable.
Composition of 7
segments
Display data
Hexadecimal b3 b2 b1 b0 B15 ••• B8 B7 B6 B5 B4 B3 B2 B1 B0
0 0000 - -00111111
1 0001 - -00000110
2 0010 - -01011011
3 0011 - -01001111
4 0100 - -01100110
5 0101 - -01101101
6 0110 - -01111101
7 0111 - -00100111
8 1000 - -01111111
9 1001 - -01101111
A 1010 - - 01110111
B 1011 - - 01111100
C 1100 - - 00111001
D 1101 - - 01011110
E 1110 - - 01111001
F 1111 - - 01110001
Command input
SEGD
EN
s
ENO
d
Word device for storing
7-segment display data
Beginning word device
to be decoded
B0
B1
B2
B3
B4
B5
B6
B0 is the beginning of bit device or the
lowest bit of the word device.