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
-
Model / Part Number: 1756-DH485
-
Brand: Allen-Bradley
-
Product Type: Communication Module
-
Communication Protocol: DH485 for deterministic data transfer
-
Communication Speed: Up to 19.2 kbps
-
Power Requirements: 5.1 VDC at 1.2 A (backplane powered)
-
Operating Temperature: 0°C to +60°C (32°F to 140°F)
-
Enclosure: Open-style module for chassis installation
-
Compatibility: Works with ControlLogix controllers and legacy DH485 devices
Applications
-
Integrating older DH485 devices into modern ControlLogix automation systems
-
Enabling FactoryTalk and other Allen-Bradley software to communicate with DH485 networks
-
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
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.