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431
Analog I/O Units
Section 7-4
Using Analog I/O
Reading Range Code
Settings and A/D
Conversion Data
Writing D/A Conversion
Data
Connect the Unit.
Set the I/O ranges.
Wire the analog I/O.
Program operation in
the ladder program.
•
Connect the Analog I/O Unit.
•
Analog inputs: 0 to 5 VDC, 1 to 5 VDC, 0 to 10 VDC, –10 to
10 VDC, 0 to 20 mA, or 4 to 20 mA
•
Analog output: 1 to 5 VDC, 0 to 10 VDC, –10 to 10 VDC, 0 to
20 mA, or 4 to 20 mA
•
Set analog inputs as voltage or current inputs and set the
averaging function.
•
Connect analog I/O devices.
•
Write the range code.
•
Analog inputs: Read converted data.
•
Analog output: Write set values.
MOV(21)
MOVE instruction
Ladder program
Range code
Word n + 1
Word m + 1
Word m + 2
CPU Unit
Analog I/O Unit
•
Writes the range code.
•
Reads the converted
values.
Analog input 0
converted value
Analog input 1
converted value
"m" is the last input word and "n" is the last
output word allocated to the CPU Unit or
previous Expansion Unit or Expansion I/O Unit.
Analog devices
•
Temperature sensor
•
Pressure sensor
•
Speed sensor
•
Flow sensor
•
Voltage/current meter
•
Other
MOV(21)
MOVE instruction
Ladder program
Word n + 1
CPU Unit
Analog I/O Unit
(See note.)
•
Writes the range code.
•
Writes the set value.
Range code
Analog output set value
"n" is the last output word allocated to the CPU
Unit or previous Expansion Unit or Expansion I/O
Unit.
Analog devices
•
Adjustment equipment
•
Servo Controller
•
Variable speed device
•
Recorder
•
Other
Содержание CP1L - 12-2007
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Страница 13: ...xiv TABLE OF CONTENTS...
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Страница 33: ...xxxiv Conformance to EC Directives 6...
Страница 65: ...32 Function Blocks Section 1 5...
Страница 428: ...395 Clock Section 6 9...
Страница 429: ...396 Clock Section 6 9...
Страница 523: ...488 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...496 Replacing User serviceable Parts Section 10 2...
Страница 563: ...528 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...576 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...603 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...604 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...634 Index...
Страница 671: ...636 Revision History...