1756-DHRIO
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What is Original Packaging
These parts come in their original packaging, although they are currently open and may display an older date code. Each item is pre-owned but has been carefully maintained and is in excellent condition, ensuring reliable performance. Please note that Marci Network Hardware is not an authorized distributor for the manufacturers or tradenames listed, so the original manufacturer’s warranty does not apply. These parts are ideal for professionals or hobbyists seeking quality components at a great value.
What Is Marci Hardware Packaging?
Marci Hardware Packaging refers to items that are professionally inspected, tested, and securely repacked by Marci Network Hardware. These products may not include the original manufacturer’s packaging but are carefully packed to ensure safe storage and shipping. Each item is fully functional, well-protected, and ready for reliable use, offering excellent value without compromising performance.
What is Refurbished Packaging?
Refurbished packaging refers to the packaging used for a product that has been previously owned, returned, or repaired, and then restored to a like-new or fully functional condition. Unlike original packaging, which comes directly from the manufacturer, refurbished packaging may not look brand-new and could be a plain box or a repackaged version provided by the refurbished.
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The Allen Bradley 1756-DHRIO is a ControlLogix communication interface module that bridges legacy Data Highway Plus (DH+) and Remote I/O (RIO) networks with modern ControlLogix systems. It enables reliable messaging, data exchange, and remote I/O scanning between ControlLogix controllers, PLC-5, SLC, and other supported devices over DH+ and RIO networks. Rated for industrial automation environments, it is suitable for integrating older networks into newer control architectures.
Technical Details
| Specification | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product / Part No. | 1756-DHRIO |
| Product Type | Communication Interface Module |
| Compatible Systems | ControlLogix PLC chassis |
| Supported Protocols | Data Highway Plus (DH+), Remote I/O (RIO), CIP messaging |
| Channels | 2 communication channels |
| Communication Speeds | 57.6 Kbaud, 115.2 Kbaud, 230.4 Kbaud |
| Remote I/O Scan | Acts as RIO scanner or adapter for remote I/O devices |
| Max Logix Connections | Up to ~32 Logix connections |
| Backplane Current Draw | Typical values around 850 mA @ 24 V DC and low 5 V current on backplane |
| Power Dissipation | ~4.5 W |
| Mounting | 1-slot in 1756 ControlLogix chassis |
| Operating Temp. Range | 0 °C to 60 °C (32 °F to 140 °F) |
| Storage Temp. Range | –40 °C to 85 °C |
| Enclosure | Open-style industrial module |
| Typical Applications | Legacy network integration, PLC-5/SLC communication, remote I/O scanning, bridging DH+ and RIO networks to ControlLogix |
| Lifecycle Status | Discontinued (as of end of 2024; replacement planning recommended) |
I will ship within one business day. International buyers are welcome. IF you want Expedited Shipping we can help you as well. We can ship under your (FedeX, UPS, DHL) Account if you have one. We Do Trade-Ins as well. Customer satisfaction is our priority. Call us 8323430718
1 Year Warranty ( Manufacturer warranty DO NOT apply )