Rockwell Automation 1798-IB4 FlexArmor User Manual User Manual
Page 57

Publication 1798-UM001B-EN-P - November 2002
Specifications A-5
Specifications for the 1798-IE4 Module
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
Thermal Dissipation
8.5 BTU/hr @ 28.8V dc
Indicator
1 fault LED Indicator - red
External DC Power
Voltage (24V dc nom.)
Current
10-28.8V dc; 5% AC ripple
50 mA @ 24V dc
Dimensions
(H x D x W)
118 mm x 57 mm x 40 mm
4.63 in. x 2.25 in. x 1.58 in.
Operational Temperature
IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
-20 to 60°C (-4 to 140°F)