Allen-Bradley 1794-IE8XT Input Module,Flex I/O,Analog,Current or Voltage,8 Channels S
$599.99
Out of stock
Request QuoteAllen-Bradley 1794-IE8XT — The 1794-IE8XT is an Allen-Bradley FLEX™ I/O extended-temperature 8-channel analog input module — voltage/current measurement, individually configurable ±10V or 0…20 mA per channel, for use with 2-, 3-, and 4-wire input sensors. Conformally coated for harsh environments; operates -20…+70 °C. 12-bit unipolar / 11-bit + sign bipolar resolution, 256 µs all-channels conversion, 0.20% FS accuracy.
| Module Type | FLEX I/O extended-temperature 8-channel analog input, conformally coated |
| Channels | 8 — non-isolated, individually configurable |
| Input Range | ±10V DC voltage OR 0…20 mA current per channel |
| Operating Temperature | -20…+70 °C (-4…+158 °F) |
| Resolution | 12 bit unipolar / 11 bit + sign bipolar |
| Accuracy | 0.20% Full Scale @ 25 °C |
| Conversion Rate | 256 µs all channels |
Description
Allen-Bradley 1794-IE8XT
The 1794-IE8XT is an Allen-Bradley FLEX™ I/O extended-temperature 8-channel analog input module — voltage/current measurement, individually configurable ±10V or 0…20 mA per channel, for use with 2-, 3-, and 4-wire input sensors. Conformally coated for harsh environments; operates -20…+70 °C. 12-bit unipolar / 11-bit + sign bipolar resolution, 256 µs all-channels conversion, 0.20% FS accuracy.
| Module Overview | |
|---|---|
| Catalog Number | 1794-IE8XT |
| Product Family | FLEX™ I/O (Bulletin 1794) Extended-Temperature Analog Input |
| Channels | 8 — non-isolated, individually configurable |
| Supported Inputs | ±10V DC voltage OR 0…20 mA current (select per channel) |
| Sensor Compatibility | 2-wire, 3-wire, 4-wire input sensor field devices |
| Terminal Base Compatibility | 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK (standard FLEX I/O bases) |
| Conformal Coating | Yes — harsh/aggressive environment protection |
| Open-Style | IP20 module; requires user enclosure |
| Calibration | None required |
| Important | Connect either voltage or current per channel, not both simultaneously |
| Input Specifications | |
|---|---|
| Voltage Input Max Overload | 30V single-channel, continuous |
| Current Input Max Overload | 32 mA single-channel, continuous |
| Input Impedance (Current) | 238 Ω |
| Input Impedance (Voltage) | 100 kΩ |
| Resolution (Unipolar) | 12 bits — 5.13 µA/cnt (current), 2.56 mV/cnt (voltage) |
| Resolution (Bipolar) | 11 bits + sign — 5.13 mV/cnt |
| Data Format | 16-bit 2’s complement, left-justified |
| Conversion Type | Successive approximation |
| Conversion Rate | 256 µs for all channels |
| Step Response — Current (63% FS) | 18.2 ms |
| Step Response — Voltage (63% FS) | 9.4 ms |
| Accuracy — Current | 0.20% Full Scale @ 25 °C (77 °F) |
| Accuracy — Voltage | 0.20% Full Scale @ 25 °C (77 °F) — includes offset, gain, non-linearity, repeatability |
| Normal Mode Rejection | |
|---|---|
| Current Input | -3 dB @ 9 Hz, -20 dB/decade; -15.3 dB @ 50 Hz; -16.8 dB @ 60 Hz |
| Voltage Input | -3 dB @ 17 Hz, -20 dB/decade; -10 dB @ 50 Hz; -11.4 dB @ 60 Hz |
| Physical | |
|---|---|
| Dimensions (Module only) | 46 × 94 × 53 mm (1.8 × 3.7 × 2.1 in.) |
| Dimensions (Installed on Terminal Base) | 94 × 94 × 69 mm (3.7 × 3.7 × 2.7 in.) |
| Operating Temperature | -20…+70 °C (-4…+158 °F) |
| Mounting | DIN rail via 1794-TB3 / TB3S / TB3K / TB3SK terminal base |
Disclaimer: PLC Exchange is an independent reseller and is not an authorized distributor, affiliate, licensee, partner, or agent of Allen-Bradley / Rockwell Automation. All product information on this page is compiled from publicly-available manufacturer publications, technical data sheets, and catalog sources, each of which remains the copyright of its originating manufacturer. We make no representation or warranty, express or implied, regarding the accuracy, completeness, timeliness, or fitness for any particular purpose of the specifications or descriptions shown — content may contain errors, omissions, or out-of-date information. Product images are the property of their respective manufacturers, trademark owners, and source publications, and are displayed solely for identification purposes under the nominative fair use doctrine; images are representative and may depict a different configuration or catalog variant than the exact product listed. Purchasers should independently verify specifications against the current manufacturer publication before placing an order. All product names, trademarks, service marks, and registered trademarks are the property of their respective owners, and their use does not imply endorsement or affiliation.
Technical Notes for 1794-IE8XT
- Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
- Ensure compatibility with your existing system architecture before ordering.
- All 1794-IE8XT units sold by PLC Exchange are tested and ship in original factory packaging.
- For application-specific questions or system compatibility verification, contact PLC Exchange technical support at [email protected] or 980-202-0882.
Alternative Part Numbers & Names for 1794-IE8XT
The 1794-IE8XT by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 1794IE8XT
- Allen Bradley 1794-IE8XT
- Allen-Bradley 1794-IE8XT
- 1794 IE8XT
- 1794/IE8XT
All variations refer to the same Allen-Bradley product. If you are unsure whether this is the correct part for your application, contact our team for assistance.
Additional information
| Weight | 0.4 lbs |
|---|---|
| Dimensions | 3.7 × 2.1 × 3.7 in |
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 612598592548 |
| mpn | 1794-IE8XT |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
Dimensions & Weight for 1794-IE8XT
| Shipping Dimensions | |
|---|---|
| Weight | 0.4 lbs |
| Length | 3.7 in |
| Width | 2.1 in |
| Height | 3.7 in |
| Box Dimensions (L×W×H) | 3.7 × 2.1 × 3.7 in |
Dimensions shown are for the shipping package. For module-level mechanical dimensions, refer to the manufacturer datasheet.
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Frequently Asked Questions
Does the 1794-IE8XT include a warranty?
Yes. Every 1794-IE8XT sold by PLC Exchange includes a 2.5-year warranty (30 months, full replacement). Details: https://plcexchange.net/warranty-information/
What is the return policy for the 1794-IE8XT?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 1794-IE8XT ship?
In-stock orders placed before 4 PM ET ship the same business day via free UPS Ground. Expedited options (Next Day Air, 2nd Day Air) are available at checkout.
Who manufactures the 1794-IE8XT?
The 1794-IE8XT is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.
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