Engineering Insight
When it comes to distributed control in harsh environments, the Allen Bradley 1738-APB Communication Module delivers a combination / precision, toughness, and field-ready design. Acting as a PROFIBUS DP adapter for ArmorPoint I/O, this module integrates industrial performance with a simplified mounting approach — ideal for engineers seeking a resilient and reliable fieldbus node solution in demanding applications.
Technical Data Sheet
| Parameter | Specification | Notes |
|---|---|---|
| Module Type | ArmorPoint PROFIBUS DP Adapter | Provides interface between PROFIBUS DP and ArmorPoint I/O |
| 支持ed Protocol | PROFIBUS DP Slave | Conforms to EN 50170 standard |
| Data Transmission Rate | 9.6 kbps to 12 Mbps | Auto-baud rate detection |
| Field Connectors | Dual M12 5-pin connectors (In/Out) | 支持s daisy-chain connection |
| Field Voltage Input | 10 – 28.8 VDC (nominal 24 VDC) | Power input for field devices |
| Power Consumption | Approx. 8.1 W | Typical operational load |
| Backplane Supply Current | 1 A @ 5 VDC | Supplies power to connected ArmorPoint modules |
| Max Number / Modules | Up to 63 | Based on load and current draw |
| Diagnostic Indicators | Module, PROFIBUS, POINTBus, Network | LED-based visual diagnostics |
| Protection Type | IP20 / machine mount | Suitable for protected industrial environments |
| Operating Temperature | -20 °C to +60 °C | Field-operational range |
| Storage Temperature | -40 °C to +85 °C | Safe storage limits |
| Relative Humidity | 5% – 95% non-condensing | Industrial environmental rating |
| Mounting Method | Panel or DIN-rail with adapter base | Flexible installation options |
| Dimensions (H × W × D) | 112 × 72 × 65 mm (4.41″ × 2.83″ × 2.56″) | Compact form factor |
| 重量 | 0.36 kg (0.8 lb) | Lightweight aluminum housing |
Real-World Applications
Engineers rely on the 1738-APB for distributed I/O control in machine environments where PROFIBUS remains a core communication backbone. Common applications include:
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Multi-axis packaging and labeling machines requiring modular expansion.
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Conveyor automation where I/O distribution reduces wiring distance.
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Process skids in pharmaceutical and food-grade plants using PROFIBUS DP control.
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Retr/it projects integrating existing PROFIBUS infrastructure with ArmorPoint I/O.
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Automotive or bottling systems with decentralized machine-level control points.
Technical Edge & Performance Advantages
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Integrated PROFIBUS Connectivity: Enables seamless integration with legacy PROFIBUS controllers.
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High Node Capacity: 支持s up to 63 modules, ideal for modular, scalable systems.
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On-Machine Mounting: Reduces cabinet space and simplifies wiring complexity.
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LED Diagnostics: Real-time status indication minimizes troubleshooting effort.
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Wide Power Range: Flexible operation from 10 to 28.8 VDC ensures compatibility.
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Durable Build: Withstands industrial vibration, temperature, and electrical noise.
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Rapid Setup: Auto-baud detection and simple addressing reduce commissioning time.
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Scalable Design: Easily expanded by adding ArmorPoint I/O modules.
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Efficient Power Distribution: Integrated backplane current reduces need for external supplies.
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Reduced Downtime: Field diagnostics and modular replaceability enhance uptime.
公司信息
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