Product Details
Overview
The Allen-Bradley 1756-DH485 is a DH485 communication module for ControlLogix systems, engineered to integrate legacy DH485 devices into modern industrial automation networks. It provides reliable data exchange between ControlLogix controllers and connected devices, ensuring seamless connectivity in mixed-generation environments.
Technical Specifications
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Model / Part Number: 1756-DH485
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Brand: Allen-Bradley
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Product Type: Communication Module
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Communication Protocol: DH485 for deterministic data transfer
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Communication Speed: Up to 19.2 kbps
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Power Requirements: 5.1 VDC at 1.2 A (backplane powered)
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Operating Temperature: 0°C to +60°C (32°F to 140°F)
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Enclosure: Open-style module for chassis installation
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Compatibility: Works with ControlLogix controllers and legacy DH485 devices
Applications
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Integrating older DH485 devices into modern ControlLogix automation systems
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Enabling FactoryTalk and other Allen-Bradley software to communicate with DH485 networks
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Industrial systems requiring backward compatibility with legacy networks
FAQs
Q1: Can this module connect to non-ControlLogix DH485 devices?
Yes, it supports legacy DH485 devices for backward compatibility.
Q2: What is the maximum network speed?
The module supports communication speeds up to 19.2 kbps.
Q3: What temperature range is suitable for operation?
It operates safely between 0°C and 60°C (32°F to 140°F).
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
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Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
Mastering Modern Industrial Joystick Controls in Heavy Automation
Industrial joysticks play a pivotal role in human-machine interaction across heavy material handling and mobile hydraulics. These tactile controllers translate complex operator movements into precise electrical signals for PLCs, motion controllers, and DCS networks. Consequently, selecting and installing the right joystick architecture ensures operator safety, reduces fatigue, and optimizes equipment performance.