1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs
1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs
1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs
1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs
1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs
1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs
    1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs
    1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs
1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs
1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs

1794-OE4 | Allen-Bradley Flex I/O Analog Output Module 12 Bit 4 Single Outputs

Part #: 1794-OE4 Manufactured by: Allen-Bradley
$364.00
$364.00
7 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The Allen-Bradley 1794-OE4 Flex I/O Output Analog Module has 4 Single-ended Outputs, a 12 bits Resolution, and a Left Just...  Read more
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Product Description P/N: 1794-OE4

Description / Specifications

Description 

The Allen-Bradley 1794-OE4 is a Flex I/O analog output module designed for distributed control applications. It provides four single-ended analog output channels that deliver current and voltage signals for precise process control. This module is commonly used in industrial automation to drive devices such as VFDs, valves, and other final control elements.

 

 

Technical Specifications 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1794-OE4
Wire Size Determined by installed terminal base
External DC supply, nom 24V DC
Indicators 1 green/red power/status indicator
Terminal base 1794-TB2, -TB3, -TB3S, -TB3T, -TB3TS, and -TBN
Conversion Rate 1.024ms maximum all channels
Output type 0 to 20 mA; 4 to 20 mA; +/- 10VDC; 0 to 10 VDC
No. of inputs Four (4) Single Ended
Product Description Flex IO High Density Analog Output Module
External DC supply range 10.0…31.2V DC (includes 5% AC ripple)
Mounting DIN Rail
Operating Temperature 0 to 55 C (32 to 131 F)
Storage Temperature –40…85 °C (–40…185 °F)
Resolution 12 bits plus sign Voltage: 2.56mV/cnt Current: 5.13µA/cnt
Data Format left justified, 16 bit 2s complement
Conversion Type Pulse Width modulation
Vibration 5g @ 10 to 500 Hz
Product Type Flex I/O Output Analog Module
Outputs 4 Single-ended
Output Current Terminal 4 to 20 mA
Output Voltage Terminal +/- 10 Volts
Current Load on Voltage Output 3 mA maximum
Flexbus Current 20 mA
Power Dissipation 4.5 W at 31.2 Volts DC maximum
Thermal Dissipation 13.6 BTU/hour at 31.2 Volts DC maximum

  

 

Information About 1794-OE4

The 1794-OE4 is part of the Allen-Bradley Flex I/O family, developed for modular and distributed I/O solutions. It supports four configurable output channels that can provide 0–20 mA, 4–20 mA, ±10 V, and 0–10 V signals, with 12-bit resolution plus sign. The module integrates with Flex I/O communication adapters such as 1794-ACN15, -ACNR15, -AND, -AENT, and -AENTR, and can also connect to controllers like ControlLogix or MicroLogix through remote adapters. Compatible with terminal bases including 1794-TB2, -TB3, -TB3S, -TB3T, -TB3TS, and -TBN, it allows easy DIN rail mounting and wiring. The unit operates on a 24 VDC supply, offers diagnostic LED indicators, and requires no calibration. Designed for reliable performance, it ensures accurate analog control in a wide range of industrial environments.

Key Features:

  • Output Channels: Four single-ended analog outputs for current and voltage.

  • Signal Ranges: 0–20 mA, 4–20 mA, ±10 V, and 0–10 V.

  • Resolution: 12-bit plus sign, with 2.56 mV/cnt (voltage) and 5.13 µA/cnt (current).

  • Compatibility: Works with Flex I/O terminal bases 1794-TB2, -TB3, -TB3S, -TB3T, -TB3TS, and -TBN.

  • Networking: Integrates with Flex I/O adapters for Ethernet, ControlNet, Profibus, and Remote I/O.

  • Diagnostics: Built-in green/red status LED for module health and operation.

  • Power & Isolation: Operates at 24 VDC, with 50 V isolation between I/O and system.

  • Performance: Fast conversion rate of 1.024 ms for all channels, with step response of 24 ms.

The 1794-OE4 delivers the reliability and precision required for process control and distributed I/O applications in industrial automation.


Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 1794-OE4
Question: What types of analog output signals does the 1794-OE4 support?
Date Update:02/06/2025
Answer:

This module supports multiple output signal types, offering flexibility for different control applications. Supported outputs include:

  • 0 to 20 mA current output, commonly used for analog instrumentation.
  • 4 to 20 mA current output, a standard for process control.
  • +/-10V DC voltage output, useful for driving devices that require bipolar voltage.
  • 0 to 10V DC voltage output, often used for standard analog signaling.

This variety ensures compatibility with a wide range of industrial equipment and processes.

Question: What is the resolution of the 1794-OE4 module, and why is it important?
Date Update:02/06/2025
Answer:

The 1794-OE4 module features a 12-bit resolution plus sign for both voltage and current outputs. For voltage, this corresponds to 2.56 mV per count, and for current, 5.13 µA per count. This resolution allows for precise control of analog devices, such as variable frequency drives, valves, or other actuators. High-resolution output ensures smooth and accurate modulation of processes. Accurate control improves overall system performance and product quality.

Question: Which terminal bases are compatible with the 1794-OE4 module?
Date Update:02/06/2025
Answer:

The 1794-OE4 is designed for installation with the following Flex I/O terminal bases:

  • 1794-TB2
  • 1794-TB3
  • 1794-TB3S
  • 1794-TB3T
  • 1794-TB3TS
  • 1794-TBN

These bases provide the necessary electrical connections and mechanical support. Each base offers different wiring and grounding options depending on system needs. Selecting the correct terminal base ensures proper installation and reliable operation. These bases also enable easy module replacement and maintenance.

Question: How should the 1794-OE4 module be installed in a Flex I/O system?
Date Update:02/06/2025
Answer:

The 1794-OE4 module should be installed properly to ensure safe and reliable operation. Recommended steps include:

  • Mount the appropriate terminal base (e.g., 1794-TB2) securely on the DIN rail.
  • Slide the module onto the terminal base and lock it in place.
  • Connect the external 24V DC power supply within the specified voltage range.
  • Wire the output terminals according to the application’s requirements and observe proper grounding.

Following these steps helps maintain signal integrity and system reliability.

Question: Does the 1794-OE4 module remain in production and available for purchase?
Date Update:02/06/2025
Answer:

Yes, the 1794-OE4 is currently in an Active Mature lifecycle status. This means it is still available for purchase and supported by Rockwell Automation, although it may be nearing the later stages of its product lifecycle.

IQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1794-OE4 is a Flex I/O analog output module designed for distributed control applications. It provides four single-ended analog output channels that deliver current and voltage signals for precise process control. This module is commonly used in industrial automation to drive devices such as VFDs, valves, and other final control elements.

 

 

Technical Specifications 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1794-OE4
Wire Size Determined by installed terminal base
External DC supply, nom 24V DC
Indicators 1 green/red power/status indicator
Terminal base 1794-TB2, -TB3, -TB3S, -TB3T, -TB3TS, and -TBN
Conversion Rate 1.024ms maximum all channels
Output type 0 to 20 mA; 4 to 20 mA; +/- 10VDC; 0 to 10 VDC
No. of inputs Four (4) Single Ended
Product Description Flex IO High Density Analog Output Module
External DC supply range 10.0…31.2V DC (includes 5% AC ripple)
Mounting DIN Rail
Operating Temperature 0 to 55 C (32 to 131 F)
Storage Temperature –40…85 °C (–40…185 °F)
Resolution 12 bits plus sign Voltage: 2.56mV/cnt Current: 5.13µA/cnt
Data Format left justified, 16 bit 2s complement
Conversion Type Pulse Width modulation
Vibration 5g @ 10 to 500 Hz
Product Type Flex I/O Output Analog Module
Outputs 4 Single-ended
Output Current Terminal 4 to 20 mA
Output Voltage Terminal +/- 10 Volts
Current Load on Voltage Output 3 mA maximum
Flexbus Current 20 mA
Power Dissipation 4.5 W at 31.2 Volts DC maximum
Thermal Dissipation 13.6 BTU/hour at 31.2 Volts DC maximum

  

 

Information About 1794-OE4

The 1794-OE4 is part of the Allen-Bradley Flex I/O family, developed for modular and distributed I/O solutions. It supports four configurable output channels that can provide 0–20 mA, 4–20 mA, ±10 V, and 0–10 V signals, with 12-bit resolution plus sign. The module integrates with Flex I/O communication adapters such as 1794-ACN15, -ACNR15, -AND, -AENT, and -AENTR, and can also connect to controllers like ControlLogix or MicroLogix through remote adapters. Compatible with terminal bases including 1794-TB2, -TB3, -TB3S, -TB3T, -TB3TS, and -TBN, it allows easy DIN rail mounting and wiring. The unit operates on a 24 VDC supply, offers diagnostic LED indicators, and requires no calibration. Designed for reliable performance, it ensures accurate analog control in a wide range of industrial environments.

Key Features:

  • Output Channels: Four single-ended analog outputs for current and voltage.

  • Signal Ranges: 0–20 mA, 4–20 mA, ±10 V, and 0–10 V.

  • Resolution: 12-bit plus sign, with 2.56 mV/cnt (voltage) and 5.13 µA/cnt (current).

  • Compatibility: Works with Flex I/O terminal bases 1794-TB2, -TB3, -TB3S, -TB3T, -TB3TS, and -TBN.

  • Networking: Integrates with Flex I/O adapters for Ethernet, ControlNet, Profibus, and Remote I/O.

  • Diagnostics: Built-in green/red status LED for module health and operation.

  • Power & Isolation: Operates at 24 VDC, with 50 V isolation between I/O and system.

  • Performance: Fast conversion rate of 1.024 ms for all channels, with step response of 24 ms.

The 1794-OE4 delivers the reliability and precision required for process control and distributed I/O applications in industrial automation.


Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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