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- Allen Bradley
- 1794-IF4IXT
- ControlNet Flex I/O Adapter Module
- USA
- 94 × 94 × 69 mm
- 0.14kg
- Xiamen, China
- New & In Stock
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1794-IF4IXT FLEX I/O XT 4-Channel Isolated Analog Input Module – Detailed Technical Overview
1. Product Introduction
The 1794-IF4IXT is an XT-series FLEX I/O 4-channel isolated analog input module designed for distributed automation systems operating in harsh environmental conditions.
It is engineered to collect high-precision analog signals from field instruments such as pressure transmitters, flow meters, temperature sensors, and other industrial measurement devices, then convert them into digital data for PLC systems.
As part of the FLEX I/O XT platform, this module is specifically designed for extended temperature operation, vibration resistance, and outdoor industrial environments, making it suitable for remote or exposed installations where standard modules may fail.
2. Product Features
- 4 independent isolated analog input channels
- XT ruggedized industrial design
- Supports current and voltage input signals
- 16-bit high-resolution analog conversion
- Channel-to-channel electrical isolation
- High immunity to electrical noise and interference
- DIN rail mounting system
- FLEX I/O distributed architecture compatibility
- LED diagnostic indicators
- Modular hot-swap capability (system dependent)
- Stable performance in extreme temperature environments
3. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 1794-IF4IXT |
| Product Type | XT isolated analog input module |
| Series | FLEX I/O XT (1794 XT Series) |
| Input Channels | 4 isolated analog inputs |
| Input Signal Types | 0–20 mA, 4–20 mA, ±20 mA, 0–10 V, ±10 V |
| Resolution | 16-bit high precision |
| Conversion Method | Sigma-Delta ADC |
| Input Accuracy | ±0.1% to ±0.2% full scale |
| Input Impedance | Voltage: >10 MΩ / Current: ~250 Ω |
| Channel Isolation | Full channel-to-channel isolation |
| Isolation Voltage | Up to 250 V system isolation (typical XT design) |
| FlexBus Current | ~50–80 mA |
| Power Supply | 24V DC nominal (19.2–31.2V DC) |
| Power Consumption | ~2.5 W |
| Thermal Dissipation | ~8.5 BTU/hr |
| Update Time | ~2.5 ms – 10 ms selectable |
| Data Format | 16-bit binary / two’s complement |
| Communication Method | FLEX block transfer (BTR/BTW) |
| Filtering | Configurable digital filtering |
| Diagnostic Function | Channel fault detection |
| Indicator Lights | Power + channel status LEDs |
| Mounting Type | DIN rail |
| Terminal Base | XT FLEX I/O compatible base |
| Operating Temperature | -20°C to 70°C (XT extended range) |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% non-condensing |
| Vibration Resistance | 5g (10–500 Hz) |
| Shock Resistance | 30g |
| IP Rating | IP20 |
| Dimensions | 94 × 94 × 69 mm |
| Weight | 0.14 kg |
4. Product Function Description
The 1794-IF4IXT is designed to serve as a high-reliability analog signal acquisition module in distributed control systems.
Each of its four channels independently receives analog signals from field devices and converts them into digital data for PLC processing.
The full isolation design prevents interference between channels and protects the control system from electrical noise, grounding issues, and voltage spikes.
Its XT rugged structure ensures stable performance in outdoor installations, harsh industrial zones, and remote automation systems.
5. Product Applications
The 1794-IF4IXT is widely used in industrial automation environments requiring accurate analog measurement under harsh conditions.
Typical Applications
- Oil and gas offshore platforms
- Pipeline monitoring systems
- Mining operations
- Chemical processing plants
- Water and wastewater remote stations
- Power generation auxiliary systems
- Outdoor control cabinets
- Industrial skid-mounted systems
- SCADA remote I/O systems
- Heavy-duty manufacturing environments
Typical Field Devices
- Pressure transmitters
- Flow transmitters
- Temperature sensors
- Level sensors
- Industrial analog probes
- Environmental monitoring devices
6. Product Advantages
6.1 XT Rugged Environmental Design
Built for extreme temperature and harsh industrial conditions.
6.2 Full Channel Isolation
Each channel operates independently to reduce noise and improve safety.
6.3 High Measurement Precision
16-bit resolution ensures accurate analog signal conversion.
6.4 Strong Noise Immunity
Designed to resist electrical interference in industrial environments.
6.5 Flexible Signal Compatibility
Supports multiple voltage and current input types.
6.6 Stable Distributed Architecture
Seamless integration into FLEX I/O systems.
6.7 Reduced Maintenance Needs
High durability reduces failure rates in remote installations.
7. Brand Overview
This product belongs to a globally recognized industrial automation technology provider specializing in:
- PLC control systems
- Distributed I/O platforms
- Industrial communication networks
- Process automation solutions
- Safety and motion control systems
Its solutions are widely applied in energy, oil & gas, manufacturing, mining, and infrastructure industries due to long lifecycle support and high reliability.
8. Product Series Information
Series Name
FLEX I/O XT Series (1794 XT Rugged Line)
Series Type
Rugged distributed isolated analog input system
Key Characteristics
- Extended temperature operation (-20°C to 70°C)
- High vibration and shock resistance
- Conformal-coated industrial modules
- Modular distributed architecture
- DIN rail mounting system
- Hot-swappable capability (system dependent)
The 1794-IF4IXT is a rugged isolated analog input module designed for extreme environments.
9. Recommended Related Models (Same Series or Similar)
| Model | Product Type | Function | Dimensions | Weight (kg) | Key Parameters |
|---|---|---|---|---|---|
| 1794-IF4IXT | XT isolated AI module | 4-channel AI | 94 × 94 × 69 mm | 0.14 kg | Rugged isolation |
| 1794-IE8XT | XT analog input | 8-channel AI | 94 × 94 × 69 mm | 0.12 kg | High density input |
| 1794-IE4XOE2XT | XT combo module | 4AI + 2AO | 94 × 94 × 69 mm | 0.12 kg | Mixed I/O |
| 1794-IRT8XT | XT RTD module | Temperature input | 94 × 94 × 69 mm | 0.13 kg | RTD/thermocouple |
| 1794-OE4XT | XT analog output | 4-channel AO | 94 × 94 × 69 mm | 0.12 kg | Output control |
10. Recommended Popular Models from Same Brand
| Model | Product Type | Function | Dimensions | Weight (kg) | Key Parameters |
|---|---|---|---|---|---|
| 1756-L81E | PLC controller | ControlLogix CPU | 145 × 175 × 52 mm | 0.92 kg | High-performance control |
| 1769-L33ER | Compact PLC | CompactLogix system | 118 × 87 × 87 mm | 0.60 kg | Ethernet integrated |
| 1734-AENTR | Ethernet adapter | POINT I/O system | 75 × 75 × 55 mm | 0.18 kg | Distributed I/O |
| 2711P-T10C4D8 | HMI panel | Operator interface | 271 × 212 × 60 mm | 1.80 kg | Touchscreen HMI |
| 20-COMM-E | Drive communication module | Ethernet interface | 140 × 95 × 30 mm | 0.22 kg | Industrial networking |
11. Installation Notes
- Use XT-compatible terminal base only
- Ensure proper grounding for isolation stability
- Keep analog wiring separated from power cables
- Maintain stable 24V DC supply
- Install in sealed industrial enclosure
- Secure DIN rail mounting properly
12. Maintenance Recommendations
- Regularly inspect wiring and shielding
- Monitor signal stability under harsh conditions
- Check diagnostic LED indicators
- Maintain clean and dry cabinet environment
- Replace module if isolation failure occurs
13. Summary
The 1794-IF4IXT is a rugged XT-series isolated analog input module designed for extreme industrial environments. With high-resolution signal conversion, full channel isolation, and extended temperature capability, it is ideal for distributed automation systems requiring reliable analog data acquisition in harsh field conditions.