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8 Using Expansion Units and Expansion I/O Units
CP1E CPU Unit Hardware User’s Manual(W479)
8
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8-3-4
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Reading Range Code Settings and A/D Conversion Data
8-3-4
Flow of Operation
1
•
Connect the Analog I/O Unit.
•
Set analog inputs as voltage or current inputs and set the averag-
ing function.
2
•
Connect analog I/O devices.
3
•
Write the range code.
•
Analog inputs: Read converted data.
•
Analog output: Write set values.
Connect the Unit.
Program operation in
the ladder program.
Wire the analog I/O.
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 I/O devices
•
Temperature sensor
•
Pressure sensor
•
Speed sensor
•
Flow sensor
•
Voltage/current meter
•
Other
Summary of Contents for CP1E-E10DT-A
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