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

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

Imagine a high-speed bottling line suddenly losing precise control over fill volumes, or a chemical dosing system outputting unregulated signals that compromise batch quality and safety compliance. Without a reliable analog output module at the heart of your control architecture, these scenarios become costly realities. The Allen-Bradley 1794-OE4/B is the precision interface that bridges your PLC logic and the physical world — converting digital commands into accurate, stable analog signals that drive valves, drives, and actuators with the consistency that modern industrial processes demand.

Within Rockwell Automation’s FLEX I/O platform, the 1794-OE4/B occupies a critical mid-range position: four independently configurable channels delivering both voltage and current outputs, engineered for distributed I/O architectures where space, wiring economy, and network flexibility are paramount. Globally, the FLEX I/O family is deployed across tens of thousands of manufacturing facilities in automotive, food & beverage, oil & gas, and process industries — and the 1794-OE4/B remains one of its most specified analog output modules for multi-loop process control applications.

Technical Specifications

• Part Number / SKU: 1794-OE4/B
• Manufacturer: Allen-Bradley (Rockwell Automation)
• Series: FLEX I/O
• Module Type: Analog Output Module
• Number of Output Channels: 4
• Output Signal Types: Voltage (0–10 V DC, ±10 V DC) / Current (0–20 mA, 4–20 mA)
• Resolution: 12-bit (1 in 4095)
• Communication Adapter Compatibility: All 1794 FLEX I/O adapter modules
• Backplane Current Draw: Refer to Rockwell Automation publication 1794-UM011
• Operating Temperature: 0 °C to 55 °C (32 °F to 131 °F)
• Storage Temperature: -40 °C to 85 °C
• Relative Humidity: 5% to 95% non-condensing
• Enclosure Rating: Open-style (requires enclosure)
• Agency Certifications: UL, CE, C-Tick
• Revision: Series B

Key Features & Benefits

• 4 Independent Analog Output Channels — Each channel is individually configurable for voltage or current output, enabling multi-loop control from a single compact module.
• High-Resolution 12-Bit Output — Delivers fine-grained signal precision for demanding process control applications such as flow regulation, pressure control, and speed references.
• Flexible Signal Ranges — Supports 0–10 V, ±10 V, 0–20 mA, and 4–20 mA output ranges to match diverse field device requirements without additional signal conditioning.
• FLEX I/O Modular Architecture — Snap-on terminal base design enables fast installation, hot-swap capability (adapter-dependent), and simplified maintenance without rewiring.
• Wide Network Adapter Compatibility — Works with all 1794 adapter modules including DeviceNet, ControlNet, EtherNet/IP, PROFIBUS, and Remote I/O, providing maximum topology flexibility.
• Compact DIN-Rail Footprint — Optimized for panel space efficiency in distributed control cabinets and junction boxes.
• Diagnostic Feedback — Provides channel-level fault detection to support rapid troubleshooting and minimize unplanned downtime.

Industry & Equipment Applications

• Food & Beverage: Precise dosing pump speed references, temperature setpoint transmission, and fill-level control in bottling and packaging lines.
• Oil & Gas / Petrochemical: Valve positioner control, pressure regulator setpoints, and flow controller references in hazardous-area-adjacent panels.
• Automotive Manufacturing: Servo drive analog references, paint spray pressure control, and conveyor speed regulation.
• Water & Wastewater Treatment: Chemical dosing pump control, aeration blower speed references, and level control valve positioning.
• Pharmaceutical & Life Sciences: Bioreactor agitator speed control, clean-in-place (CIP) flow regulation, and HVAC damper positioning.
• Pulp & Paper / Metals: Tension control, roll speed references, and furnace temperature setpoint transmission.

System Integration & Compatible Parts

The 1794-OE4/B is designed to integrate seamlessly within the Allen-Bradley FLEX I/O ecosystem. Compatible and commonly paired components include:

• Terminal Bases: 1794-TB3, 1794-TB3S, 1794-TB32, 1794-TB32S
• Network Adapters: 1794-AENT (EtherNet/IP), 1794-ADN (DeviceNet), 1794-ACN15 (ControlNet), 1794-APB (PROFIBUS DP)
• Complementary Analog Input Modules: 1794-IE4, 1794-IE8, 1794-IF4I
• Power Supplies: 1794-PS13, compatible 24 V DC field power supplies
• Programming Software: Rockwell Automation Studio 5000 Logix Designer, RSLogix 5000

Our Quality Assurance Process

At Konmask.com, every Allen-Bradley 1794-OE4/B module we supply undergoes a rigorous multi-stage verification process before shipment:

• Authenticity Verification: Cross-referenced against Rockwell Automation authorized distributor records and physical label inspection for counterfeit detection.
• Visual & Mechanical Inspection: Connector integrity, housing condition, and revision marking verification.
• Functional Pre-Check: Where applicable, modules are bench-tested for basic power-up and communication response.
• Secure Packaging: ESD-safe anti-static packaging with moisture barrier bags and foam cushioning for international transit.
• Documentation: Certificate of conformity and traceability documentation available upon request.

How to Order

1. Submit your inquiry via the Contact / RFQ form on this page with your required quantity and delivery timeline.
2. Our technical sales team will respond within 24 business hours with availability, lead time, and a formal quotation.
3. Upon PO confirmation, we arrange secure packaging and international freight with full tracking.
4. Export documentation (commercial invoice, packing list, COO) provided for customs clearance.

For urgent requirements or large-volume orders, please contact us directly at support@konmask.com or call +0086 19859288691.

Why Choose Konmask.com?

• ✅ Specialized in Industrial Automation Components — Deep technical expertise in PLC, DCS, servo, and I/O modules from leading global brands.
• ✅ Global B2B Supply — Serving OEMs, system integrators, and MRO procurement teams across 50+ countries.
• ✅ Competitive Lead Times — Extensive sourcing network for both in-production and legacy/obsolete parts.
• ✅ Technical Pre-Sales Support — Our engineers help verify compatibility and cross-reference alternatives when needed.
• ✅ Secure International Shipping — DHL, FedEx, UPS, and sea freight options with full export documentation.
• ✅ Transparent Quotation Process — No hidden fees; clear pricing with volume discount options.

Frequently Asked Questions

Q: What is the difference between the 1794-OE4/B and the 1794-OE4/A?
A: The “/B” suffix denotes Series B, which incorporates hardware and firmware revisions over the original Series A. Series B modules offer improved diagnostic capabilities and enhanced compatibility with newer FLEX I/O adapter firmware. Always verify your adapter firmware version supports the module series you are installing.

Q: Can the 1794-OE4/B output both voltage and current simultaneously on different channels?
A: Yes. Each of the four channels is independently configurable, allowing simultaneous voltage output on some channels and current output on others within the same module, providing maximum wiring flexibility.

Q: Which terminal base is required for the 1794-OE4/B?
A: The 1794-OE4/B requires a compatible 1794 terminal base such as the 1794-TB3 or 1794-TB3S. The terminal base is ordered separately and must be specified when placing your order.

Q: Is the 1794-OE4/B still in production by Rockwell Automation?
A: Rockwell Automation product lifecycle status changes over time. Please contact our team for the latest availability and, if required, we can advise on current-production replacement options within the FLEX I/O or FLEX 5000 platform.

Q: Do you provide export documentation for international orders?
A: Yes. We provide a commercial invoice, packing list, and certificate of origin for all international shipments. Additional documentation such as MSDS or test reports can be arranged upon request.

{
“@context”: “https://schema.org”,
“@graph”: [
{
“@type”: “Product”,
“name”: “Allen-Bradley 1794-OE4/B 4-Channel Analog Output Module”,
“description”: “Allen-Bradley 1794-OE4/B FLEX I/O 4-Channel Analog Output Module with 12-bit resolution, supporting voltage and current outputs for industrial automation and process control applications.”,
“sku”: “1794-OE4/B”,
“mpn”: “1794-OE4/B”,
“brand”: {
“@type”: “Brand”,
“name”: “Allen-Bradley”
},
“manufacturer”: {
“@type”: “Organization”,
“name”: “Rockwell Automation”
},
“category”: “Analog Output Module”,
“url”: “https://konmask.com/products/allen-bradley-1794-oe4-b-analog-output-module-flex-io”,
“offers”: {
“@type”: “Offer”,
“url”: “https://konmask.com/products/allen-bradley-1794-oe4-b-analog-output-module-flex-io”,
“priceCurrency”: “USD”,
“availability”: “https://schema.org/InStock”,
“seller”: {
“@type”: “Organization”,
“name”: “Konmask.com”
}
}
},
{
“@type”: “FAQPage”,
“mainEntity”: [
{
“@type”: “Question”,
“name”: “What is the difference between the 1794-OE4/B and the 1794-OE4/A?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “The /B suffix denotes Series B, which incorporates hardware and firmware revisions over the original Series A. Series B modules offer improved diagnostic capabilities and enhanced compatibility with newer FLEX I/O adapter firmware.”
}
},
{
“@type”: “Question”,
“name”: “Can the 1794-OE4/B output both voltage and current simultaneously on different channels?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Yes. Each of the four channels is independently configurable, allowing simultaneous voltage output on some channels and current output on others within the same module.”
}
},
{
“@type”: “Question”,
“name”: “Which terminal base is required for the 1794-OE4/B?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “The 1794-OE4/B requires a compatible 1794 terminal base such as the 1794-TB3 or 1794-TB3S. The terminal base is ordered separately.”
}
},
{
“@type”: “Question”,
“name”: “Is the 1794-OE4/B still in production by Rockwell Automation?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Rockwell Automation product lifecycle status changes over time. Please contact our team for the latest availability and replacement options within the FLEX I/O or FLEX 5000 platform.”
}
},
{
“@type”: “Question”,
“name”: “Do you provide export documentation for international orders?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Yes. We provide a commercial invoice, packing list, and certificate of origin for all international shipments. Additional documentation can be arranged upon request.”
}
}
] }
] }

---

© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691