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- 1794-IF2XOF2IXT
- ControlNet Flex I/O Adapter Module
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- 94 × 94 × 66 mm
- 0.17kg
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1794-IF2XOF2IXT XT FLEX I/O 2 Input / 2 Output Isolated Analog Module – Detailed Technical Overview
1. Product Introduction
The 1794-IF2XOF2IXT is an XT-series FLEX I/O isolated analog combination module designed for distributed control systems operating in harsh and extended temperature environments.
It provides 2 isolated analog inputs and 2 isolated analog outputs, supporting both voltage and current signal types. The module is engineered for applications where signal integrity, electrical isolation, and environmental robustness are critical.
As part of the FLEX I/O XT platform, it is optimized for remote installations, outdoor process units, and industrial environments with temperature extremes or vibration exposure.
2. Product Features
- 2-channel isolated analog inputs
- 2-channel isolated analog outputs
- XT ruggedized environmental design
- Supports voltage and current signals (0–10V, ±10V, 4–20mA, 0–20mA)
- 16-bit high-resolution conversion
- Sigma-Delta ADC architecture
- Full channel-to-system isolation
- FLEX I/O distributed architecture compatibility
- DIN rail mounting system
- LED diagnostic indicators
- Hot-swap (RIUP) capability in FLEX systems
3. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 1794-IF2XOF2IXT |
| Product Type | XT isolated analog input/output module |
| Series | FLEX I/O XT (1794 XT Series) |
| Input Channels | 2 isolated analog inputs |
| Output Channels | 2 isolated analog outputs |
| Input Signal Types | 0–20 mA, 4–20 mA, ±20 mA, 0–10 V, ±10 V, ±5 V |
| Output Signal Types | 0–20 mA, 4–20 mA, ±10 V, 0–10 V |
| Resolution | 16-bit (input), 15-bit (output typical) |
| Conversion Method | Sigma-Delta ADC / DAC |
| Input Accuracy | ±0.1%–0.2% full scale |
| Output Accuracy | ±0.1%–0.2% full scale |
| Isolation Voltage | 120V continuous (system isolation) |
| Channel Isolation | Input/output/system isolated |
| FlexBus Current | ~50 mA |
| Power Supply | 24V DC nominal (19.2–31.2V DC) |
| Power Consumption | ~2.0 W |
| Thermal Dissipation | ~6.8 BTU/hr |
| Update Time | ~10–20 ms typical |
| Data Format | 2’s complement / binary selectable |
| Communication | FLEX block transfer (BTR/BTW) |
| Indicator Lights | Power + module status LED |
| Mounting Type | DIN rail |
| Terminal Base | 1794-TB2 / TB3 / TB3S / TB3T compatible |
| 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 × 66 mm |
| Weight | 0.17 kg |
4. Product Function Description
The 1794-IF2XOF2IXT operates as a dual-purpose isolated analog interface module.
On the input side, it collects analog signals from industrial transmitters and sensors, converting them into high-resolution digital data for PLC processing.
On the output side, it generates precise analog control signals used to regulate actuators such as control valves, dampers, and variable speed drives.
Its key feature is full electrical isolation, which protects the control system from ground loops, electrical noise, and field-side disturbances.
The XT design further enhances reliability in extreme temperature and harsh industrial conditions.
5. Product Applications
The 1794-IF2XOF2IXT is used in distributed automation systems requiring both analog measurement and control in harsh environments.
Typical Applications
- Oil and gas offshore platforms
- Pipeline monitoring systems
- Chemical processing plants
- Mining and mineral processing
- Power generation facilities
- Water treatment remote stations
- Industrial skid systems
- Outdoor automation cabinets
- HVAC distributed control systems
- SCADA remote I/O systems
Typical Field Devices
- Pressure transmitters
- Flow transmitters
- Level sensors
- Temperature transmitters
- Control valves
- Actuators
- Industrial analog signal devices
6. Product Advantages
6.1 Extreme Environment Capability
XT design supports operation in high/low temperature and harsh field conditions.
6.2 Full Isolation Protection
Input, output, and system isolation improves safety and signal stability.
6.3 Dual Function Integration
Combines analog input and output in one compact module.
6.4 High Signal Accuracy
16-bit conversion ensures precise process control.
6.5 Strong Industrial Reliability
Designed for vibration, shock, and electrical noise resistance.
6.6 Modular System Integration
Seamless integration into FLEX I/O distributed architectures.
6.7 Reduced System Complexity
Fewer modules required for mixed signal applications.
7. Brand Overview
This product belongs to a globally recognized industrial automation provider specializing in:
- PLC control systems
- Distributed I/O platforms
- Process automation solutions
- Industrial communication systems
- Safety and motion control technologies
Its systems are widely used in energy, oil & gas, manufacturing, mining, and infrastructure industries due to high reliability and long lifecycle support.
8. Product Series Information
Series Name
FLEX I/O XT Series (1794 XT Rugged Line)
Series Type
Rugged distributed analog I/O 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
- Hot-swappable capability (RIUP)
The 1794-IF2XOF2IXT is a specialty isolated analog I/O module for extreme environments.
9. Recommended Related Models (Same Series or Similar)
| Model | Product Type | Function | Dimensions | Weight (kg) | Key Parameters |
|---|---|---|---|---|---|
| 1794-IF2XOF2IXT | XT isolated AI/AO | 2AI + 2AO | 94 × 94 × 66 mm | 0.17 kg | Full isolation XT |
| 1794-IE8XT | XT analog input | 8-channel AI | 94 × 94 × 69 mm | 0.12 kg | Rugged input module |
| 1794-OE4XT | XT analog output | 4-channel AO | 94 × 94 × 69 mm | 0.12 kg | Output control |
| 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 measurement |
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 bases
- Ensure correct grounding for isolation performance
- Separate signal wiring from power wiring
- Maintain stable 24V DC supply
- Install in rated enclosure for harsh environments
- Verify DIN rail locking stability
12. Maintenance Recommendations
- Inspect wiring and shielding regularly
- Monitor signal stability under extreme conditions
- Check module diagnostic indicators
- Maintain clean and dry enclosure environment
- Replace module if isolation faults appear
13. Summary
The 1794-IF2XOF2IXT is a rugged XT-series isolated analog input/output module designed for harsh industrial environments. Its combination of full isolation, dual-function capability, and extended temperature performance makes it suitable for demanding distributed automation systems requiring high reliability and signal integrity.