Product Details
Product Description
The Allen-Bradley 1738-ACNR ArmorPoint adapter module provides ControlNet communication capability for distributed I/O systems. Designed for rugged environments, it supports high-speed data transfer, robust power handling, and IP-rated protection for field installations. With integrated overvoltage protection and wide operating temperature tolerance, it ensures reliable performance in demanding industrial applications.
Technical Specifications
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Manufacturer Allen-Bradley
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Product Line ArmorPoint Modules
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Product Type ControlNet Network Adapter
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Part Number 1738-ACNR
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Weight 0.81 lbs (0.37 kg)
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Communication Rate 5 Mbps (ControlNet)
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Input Voltage Rating 24 VDC nominal; operating range 10–28.8 VDC
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Inrush Current 6 A maximum for 10 ms
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Field Side Power Requirements 24 VDC at 425 mA (maximum)
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Maximum Power Consumption 10.2 W at 28.8 VDC
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Maximum Power Dissipation 5.0 W at 28.8 VDC
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Thermal Dissipation 16.9 BTU/hr at 28.8 VDC
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Input Protection Reverse polarity protected
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Isolation Voltage 50 V continuous
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Electromagnetic Emissions Group 1, Class A
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Enclosure Rating IP65, IP66, IP67 (when properly marked)
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Operating Temperature Range -4 to 140 °F (-20 to 60 °C)
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Storage Temperature Range -40 to 185 °F (-40 to 85 °C)
Application Scenarios
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Distributed I/O systems requiring ControlNet communication
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Harsh industrial environments needing IP65/66/67-rated modules
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Applications requiring reliable power handling and thermal dissipation
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Systems needing reverse polarity protection for field wiring
FAQ
Q: What communication speed does the 1738-ACNR support? A: It supports ControlNet communication at 5 Mbps.
Q: Is the module suitable for outdoor or harsh environments? A: Yes, it meets IP65/66/67 ratings when properly marked.
Q: What type of input protection is included? A: Reverse polarity protection is integrated.
Comparison with Similar Models
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1738-ADN: DeviceNet adapter for ArmorPoint modules.
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1738-AENTR: Ethernet/IP adapter with dual ports.
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1738-ACNR: ControlNet adapter optimized for high-speed communication.
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
Preventing Spurious Trips in Emergency Stop Systems: A Technical Guide
In industrial automation, the Emergency Stop (E-Stop) pushbutton is the ultimate safety line. However, relying on a single Normally-Closed (NC) contact can sometimes lead to unexpected spurious trips. As a control systems engineer, I have seen these nuisance trips halt entire production lines, causing significant downtime. Understanding why these components fail and how to implement robust architecture is essential for any reliable DCS or PLC-based safety system.
Sequencing Induction Motor Control with PLC Logic: Best Practices
In modern industrial automation, controlling a group of induction motors requires precision and safety. Uncontrolled simultaneous startup of multiple large motors often causes significant voltage dips, potentially triggering protective trips. Therefore, implementing a sequential startup and shutdown strategy is essential. This approach minimizes inrush current and ensures the system operates within established power constraints. A robust PLC program serves as the ideal engine for orchestrating these sequences.
Mastering PLC Programming: Best Practices for Robust Industrial Automation
Writing clean PLC code requires discipline, especially regarding memory management. Avoid overusing SET and RESET instructions, as they often complicate debugging. If multiple rungs control the same bit, troubleshooting becomes a nightmare. Instead, focus on energizing a bit in only one location. If your logic requires complex conditions, use branches within a single rung. This approach keeps your code readable, maintainable, and significantly easier to audit during downtime.