7 BASIC INSTRUCTIONS
7.6 Digital Switch (Thumbwheel Input)
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7
7.6
Digital Switch (Thumbwheel Input)
DSW
This instruction reads the set value of digital switches. This instruction can read a set of 4 digits (n = K1) or two sets of 4 digits
(n = K2).
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
*1 Only X can be used.
*2 Only Y can be used.
Ladder diagram
Structured text
ENO:=DSW(EN,s,n,d1,d2);
FBD/LD
Operand
Description
Range
Data type
Data type (label)
(s)
Head device number connected to a digital switch
Bit
ANYBIT_ARRAY
(Number of element: 4)
(d1)
Head device number to which the strobe signal is output
Bit
ANYBIT_ARRAY
(Number of element: 4)
(d2)
Device number storing the numeric value of a digital
switch
0 to 9999
16-bit signed binary
ANY16
(n)
Total number of 4-digit switch sets
1, 2
16-bit unsigned binary
ANY16_U
EN
Execution condition
Bit
BOOL
ENO
Execution result
Bit
BOOL
Operand
Bit
Word
Double word Indirect
specification
Constant
Others
X, Y, M, L, SM,
F, B, SB, S
T, ST, C, D, W,
SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(s)
(d1)
(d2)
(n)
(s)
(d1) (d2)
(n)
EN
ENO
d1
d2
s
n
Summary of Contents for MELSEC iQ-F FX5
Page 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
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Page 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
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