Allen-Bradley 1794-OE4 Flex I/O Analog Output Module

Description

The 1794-OE4 Flex I/O Analog Output Module from Allen-Bradley (Rockwell Automation) provides four single-ended outputs with 12-bit resolution, supporting both voltage and current output types. It operates with 4-20mA output current and +/- 10VDC output voltage terminals, offering flexibility in industrial applications requiring precise analog output control. The module uses pulse-width modulation (PWM) for conversion and supports a left-justified, 16-bit 2’s complement data format for output.

Revisions

• 1794-OE4 Ser A: 1794-OE4/A, Series A, Rev A
• 1794-OE4 Ser B: 1794-OE4/B, Series B, Rev B

Technical Specifications

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Product Type: Flex I/O Output Analog Module
• Product Description: High-density analog output module with 4 single-ended outputs.
• Conversion Type: Pulse Width Modulation (PWM)
• Data Format: Left-Justified, 16-bit 2’s complement
• Resolution: 12 bits (+/- sign)
  • Voltage: 2.56 mV per count
  • Current: 5.13 µA per count
• Number of Outputs: 4 Single-ended outputs
• Output Types:
  • 0 to 20 mA
  • 4 to 20 mA
  • +/- 10 VDC
  • 0 to 10 VDC
• Conversion Rate: 1.024 ms maximum (all channels)
• Power Dissipation: 4.5 W at 31.2 V DC maximum
• Thermal Dissipation: 13.6 BTU/hour at 31.2 V DC maximum
• Current Load on Voltage Output: 3 mA maximum
• Flexbus Current: 20 mA

Indicators

• 1 green/red power/status indicator

Supply and Mounting

• External DC Supply Nominal: 24V DC
• External DC Supply Range: 10.0 – 31.2V DC (including 5% AC ripple)
• Mounting: DIN Rail
• Wire Size: Determined by the installed terminal base
• Terminal Base Compatibility:
  • 1794-TB2
  • 1794-TB3
  • 1794-TB3S
  • 1794-TB3T
  • 1794-TB3TS
  • 1794-TBN

Environmental Specifications

• Operating Temperature: 0 to 55 °C (32 to 131 °F)
• Storage Temperature: -40 to 85 °C (-40 to 185 °F)
• Vibration: 5g @ 10 to 500 Hz

Part Information

• Part Number/Catalog No.: 1794-OE4
• UPC: 10612598137876
• UNSPSC Code: 32151602

Additional Notes

• External DC power supply is required for operation (nominal 24V DC).
• The module is designed for flexible applications, suitable for use in industrial systems that require high-density analog output with a range of current and voltage signal options.

---

Contact Us

• Phone: +86-15915488782
• Email: uma@meloauto.com
• WhatsApp: +8615915488782
• Business Hours: 24/7 service
• Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China

Let us help you find the automation parts you need with reliable quality and dedicated support!