Description
ProSoft AN-X2-AB-DHRIO | Quantified Spec EtherNet/IP to DH+ / RIO Converter
Dynamic Product Introduction
Upgrading aging industrial control architectures without entirely ripping out legacy PLC racks or PanelView HMI panels requires robust protocol translation hardware. The ProSoft Technology AN-X2-AB-DHRIO gateway acts as a vital communication bridge, allowing modern ControlLogix or CompactLogix controllers to interact seamlessly with mature Allen-Bradley Data Highway Plus and Remote I/O drops. Sourcing verified surplus or replacement gateway units prevents extensive plant downtime and avoids expensive, unbudgeted full-system overhauls.

AN-X2-AB-DHRIO
Key Technical Specifications
| Technical Parameter | Specification Value |
| Device Type | EtherNet/IP to DH+ / Remote I/O Protocol Gateway |
| System Compatibility | Allen-Bradley PLC-5, SLC 500, ControlLogix, PanelView networks |
| Ethernet Interface | 1 × RJ-45 port, 10/100 Mbps data transmission rate |
| Network Interface | 3-pin Phoenix connector for DH+ / RIO daisy-chain loops |
| Supported Baud Rates | 57.6, 115.2, and 230.4 Kbaud (DH+ & RIO) |
| Power Supply Requirements | External 12 VDC or 24 VDC via 3-pin Phoenix connector |
| Configuration Interface | Built-in web server and configuration software utility |
| Mounting Format | DIN-rail or compact desk/panel mount architecture |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) industrial standard threshold |
Global Sourcing & Live-Test SOP (Transparency Core)
Procuring secondary market industrial communication gateways requires rigorous testing of packet routing integrity, web server response, and physical layer transceivers. Every inbound ProSoft AN-X2-AB-DHRIO unit goes through a precise evaluation pipeline:
- Inbound Verification: Serial number pedigree tracing against automation asset ledgers, microscopic inspection of communication connectors, and board-level capacitor audits.
- Live Simulation: Slotted into a dedicated test rig combining an active Ethernet switch with a legacy DH+ / RIO network simulator loop.
- Diagnostics: Full-scale baud rate auto-detection trials (57.6K to 230.4K), web server UI accessibility checks, packet throughput and frame error verification, and a 24-hour continuous burn-in test under load.
- Final Prep: Port contact cleaning, anti-static shielding placement, and heavy-duty ESD-safe vacuum packaging prior to dispatch.
The Field Engineer’s Pitfall Guide
- ❗ Firmware Mode Mismatches: Deploying gateway firmware intended for RIO device emulation onto a network configured for DH+ routing will block communication handshakes entirely.
- ❗ DH+ Line Termination Omissions: Failing to install proper 150-ohm terminating resistors at both physical ends of the Data Highway Plus trunk line will induce signal reflections and packet timeouts.
- ❗ Static IP Configuration Errors: Attempting to access the built-in diagnostic web server without ensuring the configuration PC matches the gateway’s default subnet parameters will prevent initial setup.
Intent-Driven FAQ
- Will replacing the AN-X2-AB-DHRIO gateway erase my PLC program configurations?
No. The gateway acts strictly as an external protocol translator and stores no ladder logic code; network routing tables are uploaded directly via its web utility.
- Can this gateway bridge data between an Ethernet HMI and a legacy PLC-5?
Yes, selecting the correct operating mode allows modern PanelView or software clients on EtherNet/IP to poll data seamlessly from legacy DH+ controllers.
- What indicates a failing internal serial transceiver during troubleshooting?
Observing continuous network error LED flashing while physical cabling, station addressing, and termination resistance measure entirely normal points to an internal transceiver failure.
- Does the gateway require special software for basic network setup?
Initial network parameters and diagnostic counters can be accessed directly using any standard web browser through its onboard HTTP server.
- What type of warranty covers this surplus hardware?
Verified units are backed by an industry-standard replacement warranty covering electrical functionality and communication stability under normal operational parameters.


