Rockwell-automation 1769-IF4XOF2 Compact 8-Bit Low Resolution Analog I Bedienungsanleitung Seite 58

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Publication 1769-UM008A-EN-P - November 2001
4-14 1769-IF4XOF2 Module Data, Status, and Configuration Channels
Analog Range Selection
The analog input range selection is accomplished by proper wiring of
the input channels.
Valid Input Data Word Formats/Ranges
The analog input data received at the module is converted to
RAW/proportional data format. Unlike the 1769-IF4 and 1769OF2.
on-board scaling is not provided by the module. You must do this via
your control program.
The following table shows the valid input data format for the data
range provided by the module.
Table 4.9 Valid Input Data
Input Range Input Value Example Data Input Range
Condition
Raw/Proportional Data
Decimal Range
0 to +10V dc Over 10.5V dc +11.0V dc
Over-range
(1)
(1) The module’s maximum range is 10.5V or 21 mA. An over-range flag is set at either value. This flag automatically resets when the input data is below the over-range value.
32640
+10.5V dc + 10.5V dc
Over-range
(1)
32640
0.0V dc to
+10.0V dc
+10.0V dc Normal 31104
5.0V dc Normal 15488
0.0V dc Normal 0
0 to 20 mA Over 21.0 mA +22.0 mA
Over-range
(1)
32640
21.0 mA +21.0 mA
Over-range
(1)
32640
0.0 mA to 20.0 mA +20.0 mA Normal 31104
+10.0 mA Normal 15488
0.0 mA Normal 0
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