Ir/Cio Bit Allocations; Functions And User Programs - Omron SYSMAC C Series Operation Manual

Functions and User Programs

8-2

IR/CIO Bit Allocations

IR/CIO Bit Allocations
Bit
IR/CIO n: Point 1
0 D/A conversion data 2
1 D/A conversion data 2
2 D/A conversion data 2
3 D/A conversion data 2
4 D/A conversion data 2
5 D/A conversion data 2
6 D/A conversion data 2
7 D/A conversion data 2
8 D/A conversion data 2
9 D/A conversion data 2
10 D/A conversion data 2
11 0
12 0
13 0
14 0
15 Sign bit
8-3 Functions and User Programs
8-3-1 Conversion Data and Output Signals
Function
BCD
data 0 to
2047
+, – sign
132
Each C500-DA103 Analog Output Unit is allocated four words.
IR/CIO n+1: Point 2
0
D/A conversion data 2
1
D/A conversion data 2
2
D/A conversion data 2
3
D/A conversion data 2
4
D/A conversion data 2
5
D/A conversion data 2
6
D/A conversion data 2
7
D/A conversion data 2
8
D/A conversion data 2
9
D/A conversion data 2
10
D/A conversion data 2
0
0
0
0
Sign bit
Note Bit 15 is the sign bit:
The C500-DA103 Analog Output Unit converts digital data to analog output sig-
nals.
This Unit converts 4-digit hexadecimal values (0000 to 07FF or 8000 to 87FF)
from the specified words (IR/CIO n to n+3) for output from the Analog Output
Unit.
CPU Unit
BCD to BIN
conversion
Hexadecimal data
0000 to 07FF
8000 to 87FF
Output words
IR/CIO n+2: Point 3
0
D/A conversion data 2
1
D/A conversion data 2
2
D/A conversion data 2
3
D/A conversion data 2
4
D/A conversion data 2
5
D/A conversion data 2
6
D/A conversion data 2
7
D/A conversion data 2
8
D/A conversion data 2
9
D/A conversion data 2
10
D/A conversion data 2
0
0
0
0
Sign bit
OFF for positive values
ON for negative values
C500-DA103
IR/CIO n
D/A con-
to IR/CIO
version
Data
n+3
transfer
Section 8-3
IR/CIO n+3: Point 4
0
D/A conversion data 2
1
D/A conversion data 2
2
D/A conversion data 2
3
D/A conversion data 2
4
D/A conversion data 2
5
D/A conversion data 2
6
D/A conversion data 2
7
D/A conversion data 2
8
D/A conversion data 2
9
D/A conversion data 2
10
D/A conversion data 2
0
0
0
0
Sign bit
External
device
Analog
output
0
1
2
3
4
5
6
7
8
9
10