Figure 3-74 Lqa100 Input Data Format - Hitachi S10mini Hardware Manual
Hide thumbs
Also See for S10mini:
- User manual (307 pages) ,
- Hardware manual (108 pages) ,
- Manual (53 pages)
Table of Contents
Advertisement
3 INDIVIDUAL SPECIFICATIONS
(1) MODE 1 input data format (Data area: XW area)
(*) While the sign bit is normally 0, it is set to 1 when an input current less than 4 mA is received,
• A/D conversion data in times of overflow
Positive side: +2,047 (H7FF)
Negative side: -2,048 (H800)
• Immediately after power ON (approximately 500 ms), the A/D conversion data is set to
H000.
(2) MODE 2 input data format (Data area: EW area)
(*) While the sign bit is normally 0, it is set to 1 when an input current less than 4 mA is received,
• A/D conversion data in times of overflow
Positive side: +2,407 (H7FF)
Negative side: -2,048 (H800)
• Immediately after power ON (approximately 500 ms), the data in the EW area is set to
H8000 (invalid data).
15
14
13
12
2
2
2
2
Word 1
S
Channel 0 A/D conversion data
Word 2
S
Channel 1 A/D conversion data
Word 3
S
Channel 2 A/D conversion data
S
Channel 3 A/D conversion data
Word 4
A/D conversion data: 0 to +2,047
(S: Sign bit)(*)
in which case the accuracy of the A/D conversion data is not warranted.
15
14
13
12
2
2
2
2
Word 1
S S S S S
Word 2
S S S S S
Word 3
S S S S S
S S S S S
Word 4
The content of the
sign bit is reflected here.
in which case the accuracy of the A/D conversion data is not warranted.
Figure 3-74 LQA100 Input Data Format
11
10
9
8
7
6
5
4
2
2
2
2
2
2
2
2
2
0
A/D
0 0 0 0
1
A/D
0 0 0 0
1
A/D
0 0 0 0
1
A/D
0 0 0 0
11
10
9
8
7
6
5
4
2
2
2
2
2
2
2
2
2
Channel 0 A/D conversion data
Channel 1 A/D conversion data
Channel 2 A/D conversion data
Channel 3 A/D conversion data
A/D conversion data: 0 to +2,047
(S: Sign bit)(*)
3-58
3
2
1
0
2
2
2
Fixed at 0
3
2
1
0
2
2
2
Advertisement
Table of Contents
