1794-OE12 | Allen-Bradley FLEX 12-Channel Analog Output Module

Overview

The Allen-Bradley 1794-OE12 is a 12-point analog output module from the FLEX I/O 1794 series, designed for precise analog signal control in distributed automation systems. This module delivers high-resolution current and voltage outputs with reliable signal conversion, making it ideal for process control and motion applications where accuracy and scalability are key.

Technical Specifications

• Manufacturer: Allen-Bradley

• Product Line: FLEX I/O 1794 Series

• Model / Part Number: 1794-OE12

• Product Type: Analog Output Module

• Number of Outputs: 12 single-ended outputs

• Output Type: 0–20 mA, 4–20 mA, ±10 V DC

• Conversion Type: Digital-to-Analog Converter (DAC)

• Resolution: 16-bit, 2’s complement (left justified)

• Flexbus Current: 80 mA

• External DC Supply: 24V DC nominal (10.0…31.2V DC range, includes 5% AC ripple)

• Terminal Base Options: 1794-TB3G, 1794-TB3GS

• Indicators: One dual-color (green/red) power/status LED

• Mounting: DIN Rail

• Wire Size: Defined by terminal base used

• Operating Temperature: 0°C to 55°C (32°F to 131°F)

• Storage Temperature: –40°C to 85°C (–40°F to 185°F)

• Vibration Resistance: 5g, 10–500 Hz

• Operating Shock: 30g

• Voltage Output Range: ±10V

• Current Output Range: 0–20 mA max

• Voltage Output Current Load: 3 mA max

• Voltage Resolution: 320 µV/count

• Current Resolution: 0.641 µA/count

• Resistive Load (Current Output): 750 Ω @ 24V DC

• Power Dissipation: 4.0 W @ 31.2V DC

• Thermal Dissipation: 4.7 BTU/hr @ 24V DC

• Shipping Weight: 0.25 lbs (0.11 kg)

Key Features

• Twelve single-ended analog outputs for high-density FLEX I/O configurations

• 16-bit digital-to-analog conversion ensuring precise signal output

• Wide current and voltage range support for diverse control requirements

• Compact, DIN-rail-mounted module optimized for distributed control systems

• Dual-color LED for easy power and status diagnostics

Application Scenarios

• Distributed process control systems using Allen-Bradley FLEX I/O

• Analog actuator and valve control in manufacturing automation

• Industrial monitoring and feedback loop control

• Applications requiring high-resolution analog signal generation

FAQs

Q: What type of signals can the 1794-OE12 output?
A: It supports 0–20 mA, 4–20 mA, and ±10V DC analog signals.

Q: Is the module factory calibrated?
A: Yes, the module is fully calibrated and requires no user adjustment.

Q: What are the compatible terminal bases?
A: The 1794-TB3G and 1794-TB3GS terminal bases are compatible.