Rockwell Automation 1794-IE8XOE4 FLEX I/O DC Input, Output, and Input/Output Analog Modules Installation User Manual
Page 18

18 FLEX I/O DC Input, Output, and Input/Output Analog Modules
Publication 1794-IN106D-EN-E - January 2014
Input voltage terminal
+10V (user configurable)
Input current terminal
Specification
Certification
4...20 mA (user configurable)
0...20 mA (user configurable)
Input impedance, nom. (nom)
Voltage terminal
Current terminal
> 1 M
Ω
< 100
Ω
(2)
Normal mode
rejection ratio
Voltage/current terminal:
-3 dB @ 0.05 Hz; -20 dB/decade
-52 dB @ 50 Hz;
-54 dB @ 60 Hz
Voltage/current terminal with Quick Step:
-3 dB @ 1.5 Hz; -20 dB/decade
-29 dB @ 50 Hz;
-31 dB @ 60 Hz
Step response to 63% of full scale
Voltage/current terminal:
1.3 s
Voltage/current terminal with Quick Step:
0.09 s
Absolute accuracy
(1)
Voltage input
Current input
0.1% full scale @ 25 °C
0.1% full scale @ 25 °C
Accuracy drift with temperature
Voltage terminal
Current terminal
0.004% Full Scale/°C
0.004% Full Scale/°C
Voltage overload, max
30V continuous, one channel at a time
Current overload, max
32 mA continuous, one channel at a time
(1)
Includes offset, gain, nonlinearity, and repeatability error terms.
(2)
If 24V DC is removed from the module, input resistance is < 100
Ω
. This is also true at 0 mA current input even if there
is 24V DC.
If there is an input current applied, input impedance is > 1 M
Ω
.
Input Specifications – 1794-IE12 and 1794-IE8XOE4 Modules
Attribute
1794-IE12
1794-IE8XOE4