Allen Bradley 1794-OE4 Analog Output Module

The AB 1794-OE4 is a high-precision FLEX I/O analog output module from Allen-Bradley, offering four selectable voltage or current outputs with 12-bit resolution. Designed for compact distributed control, this unit supports flexible signal ranges from 0–20 mA and ±10 V, providing exceptional accuracy and integration with 1794 terminal bases including TB2, TB3, TB3S, TB3T, TB3TS, and TBN. This analog output module is ideal for scalable control in process, machine, or building automation environments where space, performance, and reliability are critical.

Technical Specifications

Model: 1794OE4
Series: FLEX I/O
Module Type: Analog Output
Channels: 4
Resolution: 12-bit
Signal Type: Voltage (±10 V), Current (0–20 mA)
Terminal Compatibility: TB2, TB3, TB3S, TB3T, TB3TS, TBN
Mounting: DIN Rail

Electrical Specifications

• Output Type: Voltage and Current
• Voltage Range: ±10 V
• Current Range: 0–20 mA
• Analog Inputs: None
• Analog Outputs: 4
• Power Supply: Via backplane
• Plug Connection: Screw terminals
• Signal Resolution: 12-bit

Mechanical Specifications

• Width: 94 mm
• Height: 46 mm
• Depth: 53 mm
• Mounting Type: DIN rail only
• Front Installation: Not supported
• Wall/Direct Mounting: Not supported
• Rack Assembly: Not supported

Communication & Protocols

• I/O Link Master: Not supported
• Supported Protocols:
  × Data Highway
  × DeviceNet / DeviceNet Safety
  × MODBUS
  × EtherNet/IP
  × TCP/IP
  × Other Fieldbus Systems – Not supported

Key Features & Benefits

✅ Four Configurable Outputs. Current and voltage signal support per channel.

✅ High-Resolution Output. 12-bit precision for accurate control.

✅ Compact FLEX Format. Saves panel space and simplifies installation.

✅ Modular Design. Compatible with wide range of FLEX terminal bases.

✅ Allen-Bradley Reliability. Ideal for distributed control architectures.

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