
Specifications
A–5
Publication 17946.5.2 - May 1996
Specifications - 1794IE4XOE2/B 4 Input/2 Output Analog Combo Module
Input Specifications
Number of Inputs
4 singleended, nonisolated
Resolution
Voltage
Current
12 bits unipolar; 11 bits plus sign bipolar
2.56mV/cnt unipolar; 5.13mV/cnt bipolar
5.13
µ
A/cnt
Data Format
left justified 16bit 2's complement
Conversion Type
Successive approximation
Conversion Rate
256
µ
s all channels
Input Current Terminal
420mA (user configurable)
020mA (user configurable)
Input Voltage Terminal
±
10V (user configurable)
010V (user configurable)
Normal Mode Rejection Ratio
Voltage Terminal
Current Terminal
-3db @ 17Hz; -20db/decade
-10.0dB @ 50Hz, -11.4dB @ 60Hz
-3db @ 9Hz; -20db/decade
-15.3dB @ 50Hz, -16.8dB @ 60Hz
Step Response to 63%
Voltage Terminal
Current Terminal
9.4ms
18.2ms
Input Impedance
Voltage Terminal
Current Terminal
100k ohms
238 ohms
Input Resistance
Voltage Terminal
Current Terminal
200k ohms
238 ohms
Absolute Accuracy
1
Voltage Terminal
Current Terminal
0.29% Full Scale @ 25
o
C
0.29% Full Scale @ 25
o
C
Accuracy Drift with Temperature
Voltage Terminal
Current Terminal
0.00428% Full Scale/
o
C
0.00407% Full Scale/
o
C
Maximum Overload
30V continuous or 32mA continuous, one channel at a time
Output Specifications
Number of Outputs
2 singleended, nonisolated
Resolution
Voltage
Current
12 bits plus sign
2.56mV/cnt
5.13
µ
A/cnt
Data Format
left justified 16bit 2's complement
Conversion Type
Pulse Width Modulation
Conversion Rate
1.024ms maximum all channels
Output Current Terminal
0mA output until module is configured
420mA user configurable
020mA user configurable
Output Voltage Terminal
0V output until module is configured
±
10V user configurable
0-10V user configurable
Step Response to 63% of FS
24ms
Specifications continued on next page.