Rockwell Automation 1798-IE4 FlexArmor Analog Input Module - Manual (Page 6)

6 FlexArmor Analog Input Module
Publication 1798-IN007A-EN-P - April 2002
Troubleshooting with the Indicators
The following table describes the status indicator on the analog input
modules.
Specifications
I/O Status Indicators
Function Indicator Status
Fault LED Red
Off
Sensor Power Short
Normal
Specifications - 1798-IE4 Analog Input Module
Module Type Analog Input
Number of Channels 4 single-ended, non-isolated
ResolutionBits
Voltage/Cnt
Current/Cnt 12 - Unipolar, 11+ sign - Bipolar
2.56 mV - Unipolar; 5.13 mV - Bipolar
5.13 uA
Data Format 16 bit; 2’s complement; left-justified
Conversion Type Successive approximation
Conversion Rate 256 us - All channels
Current Terminal 4-20 mA; 0-20 mA (user configurable)
Voltage Terminal ±10V; 0-10V (user configurable)
Normal Mode Rejection
Voltage Terminal
Current Terminal
-3 db @ 17 Hz; -20 db/decade;
-10 db @ 50 Hz; 11.4 db @ 60 Hz
-3 db @ 9 Hz; -20 db/decade;
-15.3 db @ 50 Hz; -16.8 db @ 60 Hz
Step Response to 63%
Voltage Terminal
Current Terminal
9.4 ms
18.2 ms
Impedance: Voltage Terminal
Current Terminal
100 k Ω ; 200 k Ω @ DC
238
Ω
Absolute Accuracy
Voltage Terminal
Current Terminal
0.20% FS @ 25°C
0.20% FS @ 25°C
Accuracy Drift: Voltage Terminal
Current Terminal
0.00428% FS per°C
0.00407% FS per°C
Calibration None Required
Maximum Overload
Voltage Terminal
Current Terminal Single channel; continuous
30V
32 mA
Isolation Voltage 850V dc channel-to-system for 1s
FlexBus Current 10 mA maximum
Sensor Source Current
(per connector)
50 mA
Power dissipation 2.5W @ 28.8V dc