Module Overview
The Allen Bradley 1734-OB8E is an 8-channel EtherNet/IP-enabled digital output module within the POINT I/O series, designed for distributed control systems requiring compact and flexible I/O configurations. This module provides high-speed sourcing outputs for controlling actuators, solenoids, and relays while allowing engineers to monitor output status through diagnostic feedback.
Compact, modular, and DIN-rail mounted, the 1734-OB8E integrates seamlessly into Allen Bradley’s Logix control platform, making it ideal for decentralized and space-constrained automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Fabricant | Allen Bradley / Rockwell Automation |
| Product Series | POINT I/O 1734 |
| Product Type | 8-Point Digital Output Module |
| Output Type | Sourcing (PNP) |
| Number sur Outputs | 8 |
| Nominal Output Voltage | 24V DC |
| Output Current per Channel | 1.0 A maximum |
| Maximum Module Current | 8.0 A total |
| Response Time (ON/OFF) | 0.1 ms typical |
| Isolation Voltage | 50V (continuous), reinforced insulation type |
| Diagnostics | Channel fault detection (open wire, short circuit) |
| Communication Interface | EtherNet/IP with POINTBus connection |
| Operating Temperature | -20°C to 55°C (-4°F to 131°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Humidity | 5–95% non-condensing |
| Enclosure Rating | IP20 |
| Mounting Type | DIN Rail |
| Power Supply Voltage | 24V DC nominal |
| Dimensions (H × W × D) | 56 mm × 12 mm × 75.5 mm (2.2 in × 0.47 in × 2.97 in) |
| Poids | 0.03 kg (0.07 lb) |
| Certifications | UL, CE, cULus, ATEX, Class I Div 2, RoHS |
Typical Industrial Applications
The 1734-OB8E is widely adopted in control architectures that require distributed I/O, high-speed output control, and Ethernet connectivity. Common use cases include:
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Automated Assembly Lines – precise actuation sur pneumatic valves or cylinders.
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Material Handling Systems – control sur conveyors, diverters, and gates.
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Packaging Machinery – output triggering for labelers, sensors, and feeders.
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Process Equipment – digital control sur solenoid valves and pumps.
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Building Automation – managing relays and output-driven lighting or ventilation systems.
The compact POINT I/O format makes it ideal for machine builders and OEMs who demand flexibility and simplified wiring for distributed installations.
Performance Highlights
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EtherNet/IP Connectivity: Enables direct integration into ControlLogix and CompactLogix systems for real-time data exchange.
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High-Speed Outputs: Fast response suitable for motion synchronization and event-driven control.
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Diagnostics and Feedback: Built-in LED status and fault detection enhance system reliability.
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Space Optimization: Ultra-compact design reduces panel footprint without compromising performance.
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Flexible Installation: DIN-rail modular design allows easy expansion and maintenance.
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Energy Efficient: Low power consumption and minimal heat dissipation improve system efficiency.
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