Mitsubishi Electric MELSEC iQ-R Series - Page 478

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6 BASIC INSTRUCTIONS
6.6 Data Conversion Instructions
Processing details
• These instructions decode the data consisting of 0 to F specified by the lower 4 bits in the device specified by (s) to seven-
segment display data, and store the decoded data in the device specified by (d).
• In the case of a bit device, (d) indicates the start device for storing 7-segment display data. In the case of a word device, it
indicates the device number for storing the data.
Ex.
Bit device
The data in Y48 to Y4F does not change until the next data is output.
Ex.
Word device
• The following is the truth table for the seven-segment display.
(1) The upper 8 bits are filled with 0s.
(2) The seven-segment display data are stored in the lower 8 bits.
(s) Seven-segment
display
(d) Display data
Hexadecimal Bit pattern 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

Y4F
00100111
Y48
K7 K2Y48SEG

b15
00000000
b8
00
1
00
111
b7 b0
K7 D8SEG
(1) (2)
b0
b1
b2
b3
b4
b5
b6