Product Details
Product Description
The 1734-OB8E is a high-performance 8-point digital output module from Allen-Bradley’s POINT I/O series. It provides precise DC sourcing outputs and is optimized for compact and distributed control systems. The module is designed for durability, reliable operation, and seamless integration with other POINT I/O modules.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model Number: 1734-OB8E
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Series: POINT I/O 1734
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Module Type: Digital Output Module
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Number of Outputs: 8
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Output Type: DC Sourcing
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Output Voltage Range: 10–28.8 VDC
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Output Current per Point: 1 A
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Total Module Output Current: 3 A
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Surge Current: 2 A for 10 ms, repeatable every 3 seconds
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POINTBus Current: 75 mA at 5 VDC
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Power Dissipation: 2 W
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Thermal Dissipation: 6.8 BTU/hour
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Dimensions (L×W×H): 56 × 12 × 75.5 mm (2.2 × 0.47 × 2.97 in)
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Mounting: DIN Rail
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Key Switch Position: 1
Key Features
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Compact Design: Slim form factor allows installation in limited spaces.
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Removable Terminal Blocks: Simplifies wiring, maintenance, and module replacement.
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LED Indicators: Provides real-time feedback on output status and system operation.
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Electronic Protection: Built-in safeguards against short circuits and overloads.
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Durable Construction: Engineered to withstand industrial operating conditions.
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Seamless Integration: Compatible with other POINT I/O modules for scalable systems.
Applications
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Industrial automation requiring reliable DC outputs for actuators, relays, and small devices
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Distributed control systems in manufacturing, processing, or material handling lines
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Environments demanding compact, modular, and easily maintainable output modules
FAQ
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Q: Is the 1734-OB8E compatible with all POINT I/O terminal bases?
A: It works specifically with POINT I/O bases such as 1734-TB and 1734-TBS. -
Q: Can it handle high inrush current?
A: Yes, the module supports 2 A surge for 10 ms, repeatable every 3 seconds.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.