Technical data

Publication 1794-2.1 - January 2000
106 24V dc 4 Input/2 Output Analog Combo Module Cat No. 1794-IE4XOE2 Series B FLEX I/O and FLEX Integra Product Data
Specifications - 1794-IE4XOE2/B
Module Location Cat. No. 1794-TB3, -TB3S, -TB2, -TB3T, -TB3TS
Terminal Base Unit
Isolation Voltage Tested at 850V dc for 1s between user
and system
No isolation between individual channels
Flexbus Current 20mA
Power Dissipation 4.0W maximum @ 31.2V dc
Thermal Dissipation Maximum 13.6 BTU/hr @ 31.2V dc
Keyswitch Position 5
Indicators 1 green power indicator
Calibration None Required
Input Specifications
Number of Inputs 4 single-ended, non-isolated
Resolution
Voltage
Current
12 bits - unipolar; 11 bits plus sign - bipolar
2.56mV/cnt unipolar; 5.13mV/cnt bipolar
5.13µA/cnt
Data Format Left justified 16-bit 2’s complement
Conversion Type Successive approximation
Conversion Rate 256µs all channels
Input Current Terminal 4-20mA (user configurable)
0-20mA (user configurable)
Input Voltage Terminal ±10V (user configurable)
0-10V (user configurable)
Step Response to 63%
Voltage Terminal
Current Terminal
9.4ms
18.2ms
Absolute Accuracy
2
Voltage Terminal
Current Terminal
0.20% Full Scale @ 25
o
C
0.20% 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
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
Input Impedance Voltage
Voltage Terminal
Current Terminal
100k Ω
238 Ω
Input Resistance Voltage
Voltage Terminal
Current Terminal
200k Ω
238 Ω
Maximum Overload 30V continuous or 32mA continuous,
one channel at a time
Output Specifications
Number of Outputs 2 single-ended, non-isolated
Resolution
Voltage
Current
12 bits plus sign
2.56mV/cnt
5.13µA/cnt
Data Format Left justified 16-bit 2’s complement
Conversion Type Pulse Width Modulation
Output Specifications (continued)
Conversion Rate 1.024ms maximum all channels
Output Current Terminal 0mA output until module is configured
4-20mA user configurable
0-20mA 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
Absolute Accuracy
1
Voltage Terminal
Current Terminal
0.133% Full Scale @ 25
o
C
0.425% Full Scale @ 25
o
C
Accuracy Drift
with Temperature
Voltage Terminal
Current Terminal
0.0045% Full Scale/
o
C
0.0069% Full Scale/
o
C
Current Load on
Voltage Output
3mA maximum
Resistive Load on
mA Output
15 - 750 Ω
General Specifications
External dc Power
Supply Voltage
Voltage Range
Supply Current
24V dc nominal
19.2 to 31.2V dc (includes 5% ac ripple)
70mA @ 24V dc
Dimensions HxWxD 46mm x 94mm x 53mm (1.8in x 3.7in x 2.1in)
Environmental Conditions
Operational Temperature
Storage Temperature
Relative Humidity
Shock Operating
Non-operating
Vibration
0 to 55
o
C (32 to 131
o
F)
-40 to 85
o
C (-40 to 185
o
F)
5 to 95% noncondensing (operating)
5 to 80% noncondensing (nonoperating)
30g peak acceleration, 11(±1)ms pulse width
50g peak acceleration, 11(±1)ms pulse width
Tested 5g @ 10-500Hz per IEC 68-2-6
Conductors Wire Size
Category
12 gauge (4mm
2
) stranded maximum
3/64 inch (1.2mm) insulation maximum
2
1
Publications
Installation Instructions
User Manual
1794-5.5
1794-6.5.2
Agency Certification
1 Use this conductor category information for planning conductor routing. Refer to
publication 1770-4.1, “Industrial Automation Wiring and Grounding Guidelines for Noise
Immunity.”
2 Includes offset, gain, non-linearity and repeatability error terms.
Class I Division 2 certified
Groups A, B, C, D certified
Class I Zone 2 Group IIC certified