Mitsubishi Electric MELSEC FX3U - 15.5 FNC 74 - SEGL; Seven Segment With Latch

450
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
15 External FX I/O Device – FNC 70 to FNC 79
15.4 FNC 73 – SEGD / Seven Segment Decoder
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
2. Set data
3. Applicable devices
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 are decoded to data for the seven-
segment display unit, and stored the low-order 8 bits of .
Operand Type Description Data Type
Head word device to be decoded 16-bit binary
Word device number storing the data to be displayed in the seven-segment
display unit
16-bit binary
Oper-
and
Type
Bit Devices Word Devices Others
System User Digit Specification System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
XYMTCSD
 .b KnX KnY KnM KnS T C D R U\G VZModifyKH E "  "P
33333333 3 33333
3333333 3 333
P
FNC 73
SEGD
16-bit Instruction
5 steps
Mnemonic Operation Condition
Continuous
Operation
Pulse (Single)
Operation
SEGD
SEGDP
−
Mnemonic Operation Condition
32-bit Instruction
S
D
S
D
S
D
Command
input
FNC 73
SEGD
S  D 