Allen Bradley 1794-OE4 FLEX I/O 4-Channel Analog Output Module

Product Description

The Allen Bradley 1794-OE4 is a FLEX I/O analog output module designed to deliver four single-ended channels for precise voltage and current signal control. Compact and DIN-rail mountable, it integrates seamlessly into FLEX I/O systems, offering high-density output capability with fast conversion rates and reliable performance. With multiple output ranges, flexible terminal base options, and robust environmental ratings, the module is well-suited for distributed automation applications.

Technical Specifications

• Manufacturer Allen Bradley

• Product Line FLEX I/O 1794 Series

• Product Type Analog Output Module

• Part Number 1794-OE4

• Weight 0.25 lbs (0.11 kg)

• Outputs 4 single-ended analog outputs

• Output Types

• 0–20 mA

• 4–20 mA

• ±10 V DC

• 0–10 V DC

• Conversion Type Pulse Width Modulation

• Conversion Rate 1.024 ms (all channels)

• Data Format Left-justified, 16-bit 2’s complement

• Resolution

• Voltage: 2.56 mV/count

• Current: 5.13 µA/count

• Terminal Base Compatibility

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

• Indicators 1 green/red power/status LED

• External DC Supply Nominal 24 V DC

• Supply Range 10–31.2 V DC (includes 5% AC ripple)

• Flexbus Current 20 mA

• Power Dissipation 4.5 W @ 31.2 V DC max

• Thermal Dissipation 13.6 BTU/hr @ 31.2 V DC max

• Mounting DIN rail

• Wire Size Determined by terminal base

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

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

• Vibration Resistance 5 g @ 10–500 Hz

Application Scenarios

• Distributed automation systems requiring analog signal control

• Machine-level applications with mixed voltage and current outputs

• High-density analog output in compact FLEX I/O installations

FAQ

Q: How many outputs does the 1794-OE4 provide?  A: Four single-ended analog output channels.

Q: What output ranges are supported?  A: 0–20 mA, 4–20 mA, ±10 V DC, and 0–10 V DC.

Q: Which terminal bases are compatible?  A: 1794-TB2, TB3, TB3S, TB3T, TB3TS, and TBN.

Comparable Models

• 1794-OE4: 4-channel analog output module (this model)

• 1794-OE8: 8-channel analog output module

• 1794-IE4XOE2: Combination input/output analog module