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428
Analog I/O Units
Section 7-4
Analog I/O Signal
Ranges
Analog I/O data is digitally converted according to the analog I/O signal range
as shown below.
Note
When the input exceeds the specified range, the AD converted data will be
fixed at either the lower limit or upper limit.
Item
Voltage I/O
Current I/O
Analog
Input
Section
Number of inputs
2 inputs (2 words allocated)
Input signal range
0 to 5 VDC, 1 to 5 VDC,
0 to 10 VDC, or
−
10 to 10 VDC
0 to 20 mA or 4 to 20 mA
Max. rated input
±
15 V
±
30 mA
External input impedance
1 M
Ω
min.
Approx. 250
Ω
Resolution
1/6000 (full scale)
Overall accuracy
25
°
C
0.3% full scale
0.4% full scale
0 to 55
°
C
0.6% full scale
0.8% full scale
A/D conversion data
16-bit binary (4-digit hexadecimal)
Full scale for
−
10 to 10 V: F448 to 0BB8 hex
Full scale for other ranges: 0000 to 1770 hex
Averaging function
Supported (Settable for individual inputs via DIP switch)
Open-circuit detection function
Supported
Analog
Output
Section
Number of outputs
1 output (1 word allocated)
Output signal range
1 to 5 VDC, 0 to 10 VDC, or
−
10 to 10 VDC,
0 to 20 mA or 4 to 20 mA
Allowable external output load resistance
1 k
Ω
min.
600
Ω
max.
External output impedance
0.5
Ω
max.
Resolution
1/6000 (full scale)
Overall accuracy y
25
°
C
0.4% full scale
0 to 55
°
C
0.8% full scale
Set data (D/A conversion)
16-bit binary (4-digit hexadecimal)
Full scale for
−
10 to 10 V: F448 to 0BB8 hex
Full scale for other ranges: 0000 to 1770 hex
Conversion time
2 ms/point (6 ms/all points)
Isolation method
Photocoupler isolation between analog I/O terminals and internal
circuits.
No isolation between analog I/O signals.
Current consumption
5 VDC: 83 mA max., 24 VDC: 110 mA max.
Содержание CP1L-L14D Series
Страница 2: ...CP1L L14D CP1L L20D CP1L M30D CP1L M40D CP1L CPU Unit Operation Manual Revised June 2007...
Страница 3: ...iv...
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Страница 13: ...xiv TABLE OF CONTENTS...
Страница 21: ...xxii...
Страница 33: ...xxxiv Conformance to EC Directives 6...
Страница 65: ...32 Function Blocks Section 1 5...
Страница 153: ...120 CP CPM1A series Expansion I O Unit Wiring Section 3 6...
Страница 523: ...490 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...498 Replacing User serviceable Parts Section 10 2...
Страница 563: ...530 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...578 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...605 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...606 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...636 Index...
Страница 671: ...638 Revision History...