Product Overview
The Allen-Bradley 1794-OE4XT is a high-density analog output module from the Flex I/O 1794 series. Designed for precise analog output control, it operates under extended temperature conditions, making it suitable for demanding industrial environments. This module provides four single-ended, non-isolated outputs, enabling accurate signal transmission in various automation applications.

Technical Specifications Breakdown
Key parameters for the 1794-OE4XT are listed below for quick reference:
| Feature | Specification |
|---|---|
| Output Type | Analog Output |
| Number of Channels | 4 |
| Output Voltage Range | -10 to 10V |
| Output Current Range | 0 to 20 mA |
| Load Resistance (at 24V DC) | 15 to 750 ohms |
| External DC Supply Voltage | 24V DC nominal (19.2V DC to 31.2V DC) |
Industry Applications
Process Control:Its extended temperature range ensures reliable performance in harsh environments.
Manufacturing Automation: Use this module to control analog outputs for robotic arms or conveyor systems. The 0 to 20 mA current output supports precise speed or position commands.
Building Management: Integrate the module into HVAC or lighting control systems. The -10 to 10V voltage output allows fine adjustment of dampers or dimmers.

Installation & Setup Guidance
Mount the 1794-OE4XT module securely on a DIN rail within the Flex I/O chassis. Ensure the external DC power supply delivers 24V DC within the 19.2V DC to 31.2V DC range. Connect output wiring using shielded cables to minimize noise. Verify load resistance stays between 15 and 750 ohms for current outputs. Do not exceed the specified voltage or current ranges.
Maintenance & Reliability
Inspect the module periodically for dust or moisture buildup, especially in extended temperature environments. Check all wiring connections for tightness and corrosion. The module's robust design supports continuous operation in industrial settings, but routine visual checks help prevent unexpected failures.
Compatibility & Integration
It communicates via the Flex I/O bus, requiring no additional protocol configuration. Verify compatibility with your specific controller model before installation.
Selection Guide & Purchasing Advice
When selecting the 1794-OE4XT, confirm your application requires four single-ended analog outputs with non-isolated channels. For extended temperature environments, this module is an choice. AutoDCSTech offers this module with fast shipping and expert support. Contact us for current lifecycle status and availability before ordering.
Troubleshooting & Common Issues
If output signals are erratic, check the external power supply voltage—it must be within 19.2V DC to 31.2V DC. Verify load resistance for current outputs is between 15 and 750 ohms. For voltage outputs, ensure the load does not exceed the module's drive capability. Inspect wiring for shorts or opens.
Availability & Condition at AutoDCSTech
| Part Number | 1794-OE4XT |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
