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8 Using Expansion Units and Expansion I/O Units
8-20
CP1E CPU Unit Hardware User’s Manual(W479)
When the resolution is 1/12,000, the hexadecimal values 0000 to 2EE0 (0 to 12000) correspond to
an analog voltage range of 0 to 20 mA.
The entire output range is 0 to 21 mA.
4 to 20 mA
When the resolution is 1/6,000, the hexadecimal values 0000 to 1770 (0 to 6000) correspond to an
analog current range of 4 to 20 mA.
The entire output range is 3.2 to 20.8 mA.
When the resolution is 1/12,000, the hexadecimal values 0000 to 2EE0 (0 to 12000) correspond to
an analog voltage range of 4 to 20 mA.
The entire output range is 3.2 to 20.8 mA.
8-2-4
Flow of Operation
1
•
Connect Analog Output Units.
•
Wire to analog input devices.
2
•
Write range code to output words
CP1W-DA021: Word n+1
CP1W-DA041/DA042: Words n+1, n+2
•
Set use of outputs.
•
Select output signals using range codes.
•
Write D/A conversion values to output words
CP1W-DA021: Words n+1, n+2
CP1W-DA041/DA042: Words n+1 to n+4
0 mA
20 mA
21 mA
0000 (0)
3138
(12600)
2EE0
(12000)
7FFF
8000
Conversion Data
Hexadecimal (Decimal)
Conversion
Data
Hexadecimal
(Decimal)
4 mA
20 mA
20.8 mA
3.2 mA
189C
(6300)
1770
(6000)
0 mA
7FFF
FED4
(
−
300)
8000
4 mA
20 mA
20.8 mA
3.2 mA
3138
(12600)
2EE0
(12000)
0 mA
7FFF
FDA8
(
−
600)
8000
Conversion Data
Hexadecimal (Decimal)
Connect and wire Units.
Create a ladder program.
Summary of Contents for CP1E-E**D Series
Page 3: ......
Page 66: ...2 Basic System Configuration and Devices 2 22 CP1E CPU Unit Hardware User s Manual W479...
Page 318: ...Appendices A 54 CP1E CPU Unit Hardware User s Manual W479...
Page 322: ...Index 4 CP1E CPU Unit Hardware User s Manual W479...
Page 324: ...Revision 2 CP1E CPU Unit Hardware User s Manual W479...
Page 325: ......