Rockwell Automation 1794-XXXX FLEX I/O High-Density Analog Modules - Manual (Page 44)

Publication 1794-UM062A-EN-P - September 2012
36 Specifications
Output Specifications
The following are output specifications for the FLEX I/O analog output and
combination modules.
Input Impedance
Voltage Terminal
Current Terminal
> 1 M
Ω
< 100
Ω (1)
100 k
Ω
238
Ω
Absolute accuracy
Voltage Terminal
Current Terminal
0.1% Full scale @ 25
°C
0.1% Full scale @ 25
°C
0.29% Full scale @ 25
°C
0.29% Full scale @ 25
°C
Accuracy Drift with
Temperature
Voltage Terminal
Current Terminal
0.00428% Full scale/
°C
0.00407% Full scale/
°C
Max overload 30V continuous or 32 mA continuous,
one channel at a time
(1) 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
resistance is >1 M
Ω
.
Input Specifications – 1794-IE8, 1794-IE8XT, 1794-IE12, 1794-IE4XOE2, 1794-IE4XOE2XT, 1794-IE8XOE4 Analog Input Modules
Specification 1794-IE12 1794-IE8XOE4 1794-IE8, 1794-IE8XT 1794-IE4XOE2,
1794-IE4XOE2XT
Output Specifications – 1794-OE4, 1794-OE4XT, 1794-OE12, 1794-IE4XOE2, 1794-IE4XOE2XT, 1794-IE8XOE4
Specification 1794-OE12 1794-IE8XOE4 1794-OE4, 1794-OE4XT 1794-IE4XOE2,
1794-IE4XOE2XT
Number of outputs 12 single-ended,
non-isolated 4 single-ended, non-isolated 2 single-ended,
non-isolated
Output voltage range, nom ±10V
Output current, max 0…20 mA
Voltage output current
load, max 3 mA
Voltage resolution 320 μV/cnt 2.56 μV/cnt
Current resolution 0.641
μA/cnt
5.13
μA/cnt
Absolute accuracy
Voltage Terminal
Current Terminal
0.1% Full scale @ 25%
0.1% Full scale @ 25% 0.133% Full scale @ 25%
0.425% Full scale @ 25%
Accuracy Drift with
Temperature
Voltage Terminal
Current Terminal
0.004% Full scale/° C
0.004% Full scale/° C 0.0045% Full scale/° C
0.0069% Full scale/° C
Resistive load, mA output 0…750
Ω @ 24V DC
15…750
Ω @ 24V DC