Allen-Bradley 1794-IF4I Input Module,Flex I/O,Analog,Current or Voltage,4 Channels S
$239.99
Out of stock
Request QuoteAllen-Bradley 1794-IF4I — The 1794-IF4I is an Allen-Bradley FLEX™ I/O 4-channel analog input module with channel-to-channel isolation. Each channel is individually configurable for ±10V voltage or 0…20 mA current input, for use with 2-wire, 3-wire, and 4-wire sensors. 16-bit unipolar / 15-bit + sign bipolar resolution, Sigma-Delta ADC, selectable 150/300/600/1200 Hz conversion, factory-calibrated with field recalibration option.
| Module Type | FLEX I/O 4-channel isolated analog input |
| Channels | 4 — channel-to-channel isolated, individually configurable |
| Input Range | ±10V voltage OR 0…20 mA current per channel |
| Resolution | 16 bit unipolar / 15 bit + sign bipolar |
| Conversion | Sigma-Delta ADC, selectable rate 150…1200 Hz |
| Accuracy | 0.1% Full Scale @ 25 °C |
| Operating Temperature | 0…55 °C (32…131 °F) |
Description
Allen-Bradley 1794-IF4I
The 1794-IF4I is an Allen-Bradley FLEX™ I/O 4-channel analog input module with channel-to-channel isolation. Each channel is individually configurable for ±10V voltage or 0…20 mA current input, for use with 2-wire, 3-wire, and 4-wire sensors. 16-bit unipolar / 15-bit + sign bipolar resolution, Sigma-Delta ADC, selectable 150/300/600/1200 Hz conversion, factory-calibrated with field recalibration option.
| Module Overview | |
|---|---|
| Catalog Number | 1794-IF4I |
| Product Family | FLEX™ I/O (Bulletin 1794) Isolated Analog Input |
| Channels | 4 — channel-to-channel isolation, individually configurable |
| Supported Inputs | ±10V voltage OR 0…20 mA current (select per channel) |
| Sensor Compatibility | 2-wire, 3-wire, and 4-wire input sensors |
| Calibration | Factory-calibrated; can be field-calibrated when necessary |
| Extended-Temp Variant | 1794-IF4IXT (-20…+70 °C) |
| Power-Loss Input Resistance | If 24V DC removed, input resistance drops to 10 kΩ |
| 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 Resistance (Current) | < 100 Ω (powered) |
| Input Resistance (Voltage) | > 10 MΩ |
| Resolution (Unipolar) | 16 bits — 0.320 µA/cnt (current), 0.156 mV/cnt (voltage) |
| Resolution (Bipolar) | 15 bits + sign — 0.640 µA/cnt, 0.313 mV/cnt |
| Data Format | 2’s complement / 2’s complement percent / Binary / Offset binary |
| Conversion Type | Sigma-Delta ADC |
| Conversion Rate | 2.5 / 5.0 / 7.5 ms all channels |
| Accuracy | 0.1% Full Scale @ 25 °C (77 °F) — current or voltage |
| Filtering / Step Response | |
|---|---|
| Normal Mode Rejection | -3 dB @ 12 Hz; -80.0 dB @ 50 Hz (300 Hz conversion rate) |
| Step Response — 1200 Hz rate | 0.6 ms |
| Step Response — 600 Hz rate | 6.7 ms |
| Step Response — 300 Hz rate | 13.4 ms |
| Step Response — 150 Hz rate | 26.7 ms |
| Filter Setting Scope | Parameters affect 150/300/600 Hz channels; do not affect 1200 Hz channels |
| 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 | 0…55 °C (32…131 °F) |
| Mounting | DIN rail via FLEX I/O 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-IF4I
- Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
- Ensure compatibility with your existing system architecture before ordering.
- All 1794-IF4I 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-IF4I
The 1794-IF4I by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 1794IF4I
- Allen Bradley 1794-IF4I
- Allen-Bradley 1794-IF4I
- 1794 IF4I
- 1794/IF4I
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 | 612598171576 |
| mpn | 1794-IF4I |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
Dimensions & Weight for 1794-IF4I
| 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-IF4I include a warranty?
Yes. Every 1794-IF4I 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-IF4I?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 1794-IF4I 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-IF4I?
The 1794-IF4I is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.
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