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- Allen Bradley
- 1794-OF4IXT
- ControlNet Flex I/O Adapter Module
- USA
- 46 mm × 94 mm × 75 mm
- 0.15kg
- Xiamen, China
- New & In Stock
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- 1 Year
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Allen-Bradley 1794-OF4IXT Technical Overview and Engineering Guide
1. Product Introduction
The 1794-OF4IXT is a FLEX I/O-XT 4-channel isolated analog output module designed for distributed automation systems operating in harsh and extended-temperature environments.
It converts digital control signals into precise analog outputs such as voltage and current signals, and each channel is electrically isolated to ensure strong noise immunity and stable signal transmission in industrial field conditions.
The module belongs to the FLEX I/O-XT platform, which is engineered specifically for extreme temperature applications while maintaining modular flexibility and compact installation design.
2. Product Parameters
Electrical Specifications
| Parameter | Specification |
|---|---|
| Output Channels | 4 isolated analog outputs |
| Output Signal Types | 0–20 mA, 4–20 mA, 0–10 V, ±10 V |
| Resolution | 15-bit high precision DAC |
| Conversion Type | Digital-to-Analog conversion |
| Channel Isolation | Yes (channel-to-channel isolation) |
| Power Supply | 24 V DC nominal |
| Supply Range | 19.2–31.2 V DC |
| Power Consumption | ~5 W |
| FlexBus Current | ~210 mA @ 24 V DC |
| Output Load (Voltage Mode) | ≤ 3 mA |
| Conversion Accuracy | High precision factory calibrated |
| Update Time | Millisecond-level cyclic output |
Mechanical Specifications
| Parameter | Specification |
|---|---|
| Dimensions (H × W × D) | 46 mm × 94 mm × 75 mm |
| Weight | ~0.11–0.15 kg |
| Mounting Type | DIN rail (FLEX I/O-XT terminal base system) |
| Compatible Bases | FLEX I/O-XT terminal bases (multiple variants) |
| Wiring Method | Screw terminal base connection |
| Status Indicators | 1 LED status indicator |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature | -20 °C to +70 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 5–95% non-condensing |
| Vibration Resistance | Industrial-grade (5 g range) |
| Shock Resistance | 30 g |
| Protection Level | IP20 system-level protection |
3. Product Features
The 1794-OF4IXT is designed for precision analog control in harsh environments where standard modules cannot operate reliably.
- 4-channel isolated analog output design
- Supports voltage and current output modes
- High-resolution 15-bit DAC for precise signal control
- Channel-to-channel electrical isolation improves stability
- Extended temperature operation (-20 to +70 °C)
- Factory calibrated for consistent output accuracy
- Modular FLEX I/O-XT architecture for flexible expansion
- LED indicator for quick module status diagnosis
The isolation design is a key feature, ensuring that each output channel operates independently and reducing the risk of interference between signals.
4. Product Applications
This module is widely used in industrial automation systems that require stable analog signal output in harsh environments, including:
- Oil and gas production facilities
- Mining automation systems
- Outdoor industrial control stations
- Power generation and distribution systems
- Water and wastewater treatment systems
- Chemical processing plants
- Heavy-duty manufacturing equipment
- Remote process control installations
It is especially suitable for environments with high vibration, temperature fluctuations, or electrical noise.
5. Product Advantages
- Extended temperature range improves environmental adaptability
- Channel isolation enhances signal stability and reduces interference
- High-resolution output ensures precise process control
- Flexible voltage/current output compatibility
- Compact modular design saves cabinet space
- Factory calibration reduces commissioning time
- Strong resistance to vibration and industrial noise
- Suitable for remote and unmanned control systems
6. Series and System Information
| Category | Description |
|---|---|
| Series | FLEX I/O-XT (Extreme Temperature Series) |
| System Type | Distributed modular I/O platform |
| Module Type | Isolated analog output module |
| Architecture | Remote I/O with terminal base system |
The FLEX I/O-XT series is designed specifically for harsh industrial environments where temperature resistance and reliability are critical requirements.
7. Recommended Modules – Same Series or Related Models
| Model | Type | Function | Voltage | Weight (kg) | Dimensions |
|---|---|---|---|---|---|
| 1794-OF4I | Analog Output Module | 4-channel isolated analog output | 24 V DC | ~0.13 | 94×94×66 mm |
| 1794-OE4XT | Analog Output Module | 4-channel non-isolated XT output | 24 V DC | ~0.12 | 94×94×75 mm |
| 1794-OE12 | Analog Output Module | 12-channel analog output | 24 V DC | ~0.11 | 46×94×54 mm |
| 1794-IE8XT | Analog Input Module | 8-channel XT analog input | — | ~0.18 | 94×94×69 mm |
| 1794-IB8XT | Digital Input Module | 8-point XT input module | 24 V DC | ~0.10 | 94×94×69 mm |
8. Recommended Popular Modules – Same Platform
| Model | Type | Function | Voltage | Weight (kg) | Dimensions |
|---|---|---|---|---|---|
| 1756-OF8 | Analog Output Module | 8-channel high precision output | 24 V DC | ~0.30 | 150×90×100 mm |
| 1756-IF16 | Analog Input Module | 16-channel analog input | 24 V DC | ~0.30 | 150×90×100 mm |
| 1734-IE4C | Compact Analog Input | 4-channel compact input module | 24 V DC | ~0.10 | 56×75×50 mm |
| 1769-IF4 | Compact Analog Input | 4-channel analog input module | 24 V DC | ~0.25 | 118×87×40 mm |
| 1769-OF4 | Compact Analog Output | 4-channel analog output module | 24 V DC | ~0.25 | 118×87×40 mm |
9. Engineering Summary
The 1794-OF4IXT is a high-reliability isolated analog output module designed for harsh industrial environments requiring precision signal control and strong noise immunity.
Its key strengths include channel isolation, extended temperature capability, high-resolution output, and robust modular architecture.
Compared with standard FLEX I/O analog output modules, it offers significantly improved environmental resistance and signal stability, making it suitable for mission-critical distributed automation systems where reliability and precision cannot be compromised.