8-7
8 Using Expansion Units and Expansion I/O Units
CP1E CPU Unit Hardware User’s Manual(W479)
8-
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Writing Set Data and Reading A/D Converted Values
1
Connect the Analog Input Unit to the CPU Unit.
8-1-4
Flow of Operation
1
•
Connect Analog Input Units.
•
Wire to analog output devices.
2
•
Write set data to output words (n+1, n+2).
•
Set use of inputs.
•
Select input signals using range codes.
•
Set use of averaging.
•
Read A/D converted values from input words (m+1 to m+4).
•
For current inputs, confirm that there is no open circuit.
Connect and wire Units.
Create a ladder program.
•
Temperature sensor
•
Pressure sensor
•
Speed sensor
•
Flow sensor
•
Voltage/current meter
•
Other devices
CPU Unit
MOV
Set data (inputs 1, 2)
Set data (inputs 3, 4)
Analog input 3 converted value
Analog input 4 converted value
Analog Input Unit
Ladder program
Analog input 1 converted value
Analog input 2 converted value
Analog devices
Writes the set data.
Reads the 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.
Word (n+1)
Word (n+2)
Word (m+1)
Word (m+2)
Word (m+3)
Word (m+4)
CH
IIN1
IIN3
IIN2
VIN1
VIN2
VIN3
COM1
COM2
IIN4
VIN4
COM4
COM3
IN
NC
AG
CP1W-AD041/AD042
Analog Input Unit
CP1E CPU Unit
Содержание CP1E-E**D Series
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Страница 66: ...2 Basic System Configuration and Devices 2 22 CP1E CPU Unit Hardware User s Manual W479...
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