Fnc 74 - Segl / Seven Segment With Latch - Mitsubishi Electric FX3G SERIES Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
15.5 FNC 74 – SEGL / Seven Segment With Latch
Outline
This instruction controls one or two sets of 4-digit seven-segment display units having the latch function.
1. Instruction format
FNC 74
SEGL
2. Set data
Operand Type
S
D
n
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS
S
D
n
: This function is supported only in FX
Explanation of function and operation
1. 16-bit operation (SEGL)
The 4-digit numeric value stored in
display unit with the BCD decoder by the time division method.
Command
input
FNC 74
SEGL
When using one set of 4 digits (n = K0 to K3)
1) Data and strobe signal
A 4-digit numeric value stored in
D to D
The strobe signal is output in turn from
4-digit seven-segment display unit.
2) For S , binary data ranging from 0 to 9999 is valid.
Mnemonic
16-bit Instruction
7 steps SEGL
Head word device converted into the BCD format
Head Y number to be output
Parameter number [setting range: K0 (H0) to K7 (H7)]
Digit Specification
/FX
3U 3UC
S is converted into BCD data, and each digit is output to the seven-segment
S D n
S is converted from binary into BCD, and each digit is output in turn from
+3 by the time division method.
D
15 External FX I/O Device – FNC 70 to FNC 79
15.5 FNC 74 – SEGL / Seven Segment With Latch
Operation Condition
32-bit Instruction
Continuous
Operation
Description
Word Devices
Special
System User
Unit
T C D R U \G V Z Modify K
PLCs.
→ For selection of "n", refer to Subsection 15.5.2.
+4 to +7 by the time division method also to latch one set of
D
Mnemonic Operation Condition
−
Data Type
16-bit binary
Bit
16-bit binary
Others
Con- Real Charac-
Index
stant Number ter String
H E " "
11
12
13
14
Pointer
15
P
16
17
18
19
20
435