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58
Analog Input Functions and Operating Procedures
Section 2-6
Response Time at 250-
µ
s
Conversion Time/8,000
Resolution
Unit: ms
Symbols
M: Number of input words used in DM Area
N: Average number of buffers set for the input number for which to find the
response time
Calculation Example
The following example calculations are for a resolution of 8,000 with an appli-
cation using inputs 1 and 8, 64 averaging buffers set for input 1, and no aver-
aging set for input 8.
• Response time for input 1: t = {(64
−
2) x 2 + 10.5} x 1/4 = 34 (ms)
• Response time for input 1: t = 1 x (2 + 2) x 1/4 = 1 (ms)
2-6-4
Peak Value Hold Function
The peak value hold function holds the maximum digital conversion value for
every input (including mean value processing). This function can be used with
analog input. The following diagram shows how digital conversion values are
affected when the peak value hold function is used.
The peak value hold function can be set individually for each input number by
turning on the respective bits (00 to 07 for CS1W-AD081-V1, 00 to 03 for
CS1W-AD041-V1) in CIO word n.
M
N
64
32
16
8
4
2
1
16
250.625
122.625
58.625
26.625
10.625
9
4.5
15
235.125
115.125
55.125
25.125
10.125
8.5
4.25
14
219.625
107.625
51.625
23.625
9.625
8
4
13
204.125
100.125
48.125
22.125
9.125
7.5
3.75
12
188.625
92.625
44.625
20.625
8.625
7
3.5
11
173.125
85.125
41.125
19.125
8.125
6.5
3.25
10
157.625
77.625
37.625
17.625
7.625
6
3
9
142.125
70.125
34.125
16.125
7.125
5.5
2.75
8
126.625
62.625
30.625
14.625
6.625
5
2.5
7
111.125
55.125
27.125
13.125
6.125
4.5
2.25
6
95.625
47.625
23.625
11.625
5.625
4
2
5
80.125
40.125
20.125
10.125
5.125
3.5
1.75
4
64.625
32.625
16.625
8.625
4.625
3
1.5
3
49.125
25.125
13.125
7.125
4.125
2.5
1.25
2
33.625
17.625
9.625
5.625
3.625
2
1
1
16.75
8.75
4.75
2.75
1.75
1.25
0.75
Peak value hold
Digital conversion value
t (Time)
Conversion value when
the peak value hold
function is used
Input 2
Input 1
Input 4
Input 3
Input 6
Input 5
Input 8
Input 7
Bit
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
n = unit number x 10
Word n
Input 10
Input 9
Input 12
Input 11
Input 14
Input 13
Input 16
Input 15
Summary of Contents for CJ1W-AD041-V1
Page 3: ...iv...
Page 5: ...vi...
Page 9: ...x TABLE OF CONTENTS...
Page 15: ...xvi...
Page 99: ...76 Handling Errors and Alarms Section 2 8...
Page 191: ...168 Handling Errors and Alarms Section 4 8...
Page 243: ...220 Handling Errors and Alarms Section 5 8...
Page 381: ...358 Handling Errors and Alarms Section 7 10...
Page 385: ...362 Dimensions Appendix A...
Page 395: ...372 Sample Programs Appendix B...
Page 396: ...373 Appendix C Data Memory Coding Sheets...
Page 417: ...394 Data Memory Coding Sheets Appendix C...
Page 425: ......