1734-OB4E POINT I/O Electronically Fused 4-Point Output

Availability: 99 left in stock

Product Overview The Allen-Bradley 1734-OB4E acts as a high-density, distributed I/O solution within the Bulletin 1734 POINT I/O family. This module delivers...

SKU: 1734-OB4E

Manufacturer: Allen Bradley
Product No.: 1734-OB4E
Product Type: POINT I/O Series
Product Origin: USA
Payment:T/T, Western Union
Weight: 700g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Allen-Bradley 1734-OB4E acts as a high-density, distributed I/O solution within the Bulletin 1734 POINT I/O family. This module delivers four channels of 24V DC sourcing outputs, specifically engineered for applications requiring granular fault diagnostics and electronic protection. We supply this unit as 100% Brand New and Original, ensuring maximum uptime for your mission-critical control architectures.

Technical Specifications

Feature	Specification
Module Type	Digital DC Sourcing Output (Protected)
Number of Outputs	4 Channels
Operating Voltage Range	10...28.8V DC
Nominal Supply Voltage	24V DC
Output Current Rating	1.0A per channel (3.0A max per module)
POINTBus Current	75 mA
Protection Type	Electronic short-circuit and overload protection
Diagnostics	Short-circuit and wire-off detection
Operating Temperature	-20°C to 55°C (-4°F to 131°F)

Engineering Advantages

Integrated Electronic Fusing: The 1734-OB4E eliminates the need for external fuses. The module detects short circuits or overloads and shuts down the affected channel instantly, protecting your field wiring and surrounding hardware.
Space-Efficient Design: The compact footprint allows engineers to scale I/O density in cramped control cabinets. You can install these modules horizontally or vertically to fit specific enclosure constraints.
Advanced Diagnostics: Unlike standard output modules, the "E" version provides wire-off detection. This allows your PLC logic to identify broken field wires before they cause process downtime.
Hot-Swappable Functionality: Maintenance teams can replace the 1734-OB4E while the rest of the system remains powered (Removal and Insertion Under Power - RIUP), significantly reducing Mean Time to Repair (MTTR).
DeviceLogix™ Capability: This module supports local logic execution, enabling faster response times for localized safety or control loops independent of the main controller's scan time.

FAQs

How does the electronic protection reset after a fault?

Once you clear the short circuit or overload condition in the field, you can reset the electronic protection via the control software (Studio 5000) or by cycling the field power to the module, depending on your configuration.

What is the difference between the 1734-OB4 and the 1734-OB4E?

The "E" suffix designates "Electronically Protected." While the standard 1734-OB4 provides basic sourcing outputs, the 1734-OB4E adds internal circuitry to protect against short circuits and provides diagnostic feedback for wire-off conditions.

Which terminal base is compatible with this module?

The 1734-OB4E installs onto a 1734-TB or 1734-TBS terminal base assembly. The module plugs directly into the base, which remains wired to the field devices, facilitating quick module replacement.

Can I use this module with a 1734-AENTR adapter?

Yes. The 1734-OB4E communicates seamlessly across EtherNet/IP, ControlNet, or DeviceNet when paired with the corresponding POINT I/O communication adapter.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.