Digital Switch Input - Dsw(210) - Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual

Basic I/O Unit Instructions
7-segment Data
Original data
Digit Bits
0 0 0 0 0 0
1 0 0 0 1 0
2 0 0 1 0 0
3 0 0 1 1 0
4 0 1 0 0 0
5 0 1 0 1 0
6 0 1 1 0 0
7 0 1 1 1 0
8 1 0 0 0 0
9 1 0 0 1 0
A 1 0 1 0 0
B 1 0 1 1 0
C 1 1 0 0 0
D 1 1 0 1 0
E 1 1 1 0 0
F 1 1 1 1 0
3-23-5 DIGITAL SWITCH INPUT – DSW(210)
Purpose
Ladder Symbol
Variations
The following table shows the data conversions from a hexadecimal digit (4
bits) to 7-segment code (8 bits).
Converted code (segments)
– g f e d c
0 1 1 1 1 1
0 0 0 0 1 1
1 0 1 1 0 1
1 0 0 1 1 1
1 1 0 0 1 1
1 1 0 1 1 0
1 1 1 1 1 0
0 1 0 0 1 1
1 1 1 1 1 1
1 1 0 1 1 1
1 1 1 0 1 1
1 1 1 1 1 0
0 1 1 1 0 0
1 0 1 1 1 1
1 1 1 1 0 0
1 1 1 0 0 0
Reads the value set on a external digital switch (or thumbwheel switch) con-
nected to an I/O Unit and stores the 4-digit or 8-digit value in the specified
words.
This instruction is supported only by CS/CJ-series CPU Unit Ver. 2.0 or later.
DSW(210)
I
O
D
C1
C2
Variations
Immediate Refreshing Specification
b a Hex
1 3F
0 06
1 5B
1 4F
0 66
1 6D
1 7D
1 27
1 7F
1 6F
1 77
0 7C
1 39
0 5E
1 79
1 71
I: Input word
O: Output word
D: First result word
C1: Number of digits
C2: System word
Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Section 3-23
Display
Original data
LSB
a
1
a
b
1
f
c
1
g
d
1
e
e
1
f
1
d
g
1
0
MSB
DSW(210)
Not supported.
Not supported.
b
c
941