PROSOFT AN-X2-AB-DHRIO

Description

Product Description

The PROSOFT AN-X2-AB-DHRIO is a versatile communication gateway and protocol interface module from Prosoft Technology, a leader in industrial connectivity solutions. This device is specifically engineered to bridge networks, enabling seamless data exchange between Rockwell Automation’s ControlLogix platform over Ethernet and legacy Allen-Bradley PLC-5 and SLC 500 controllers via the DH+ (Data Highway Plus) or Remote I/O (RIO) networks. By acting as a protocol translator, the PROSOFT AN-X2-AB-DHRIO facilitates the integration of older equipment into modern Ethernet-based control architectures, extending the lifecycle of critical assets and enabling plant-wide data collection. Its compact, standalone design simplifies deployment without requiring a ControlLogix chassis slot.  The robustness and reliability of the PROSOFT AN-X2-AB-DHRIO make it an indispensable tool for system integrators and plant engineers managing mixed-vintage automation systems. Implementing the PROSOFT AN-X2-AB-DHRIO effectively modernizes connectivity while protecting investments in existing PLC-5 and SLC 500 hardware.

Product Parameters

• Function: Standalone communication gateway and protocol converter.
• Primary Protocol (Modern Side): Ethernet/IP to a ControlLogix controller or other Ethernet-enabled devices.
• Legacy Protocol Side: DH+ (Data Highway Plus) and/or Remote I/O (RIO) networks for Allen-Bradley PLC-5, SLC 500, and legacy panels.
• Hardware Interfaces: 1x 10/100 Mbps Ethernet port (RJ45), 1x DH+ port (RJ45 or D-type), and 1x RIO port (9-pin D-sub).
• Configuration: Configured via a web browser-based interface or Prosoft Configuration Builder (PCB) software.
• Data Mapping: Provides flexible data table mapping between the ControlLogix tags and the PLC-5/SLC data table addresses.
• Power Supply: Typically 24 VDC, sourced externally.
• Form Factor: Compact, panel-mountable standalone module.

Advantages and Features

The key advantage of the PROSOFT AN-X2-AB-DHRIO is its ability to solve critical migration and integration challenges without replacing functional legacy controllers. It eliminates the need for a dedicated computer running RSLinx Classic as a gateway, providing a more robust and deterministic hardware solution. Features include a non-intrusive DH+ listener mode for data monitoring, support for multiple DH+ stations, and the ability to act as a bridge or an adapter on the RIO network. Its standalone nature means it does not consume a valuable slot in the ControlLogix chassis, and its web-based configuration simplifies setup and troubleshooting.

Application Cases in Key Fields

• Manufacturing Plant Modernization: Connects a new ControlLogix-based supervisory system on the plant Ethernet network to decades-old PLC-5 controllers running key production lines, allowing for centralized data collection and HMI visualization without a costly rip-and-replace.
• Water/Wastewater Facility Expansion: Integrates new ControlLogix-based pump station controls with an existing network of SLC 500 controllers spread across a treatment campus via their existing DH+ network, creating a unified control system.
• Automotive Assembly: Bridges a new Ethernet/IP-enabled robotic cell controlled by a CompactLogix controller to a legacy PLC-5 controlling a conveyor system via a Remote I/O link, enabling synchronized operation.
• Food & Beverage: Allows a modern PlantPAx DCS system, using ControlLogix, to read batch recipe parameters and machine status from older SLC 500 processors managing mixing and cooking vessels.

Comparison with Competing Products

Direct competitors include the Rockwell Automation 1756-ENBT/EN2T with a 1756-DHRIO module in a chassis, and other third-party gateways from companies like HMS (Anybus). Compared to the Rockwell 1756-DHRIO chassis solution, the PROSOFT AN-X2-AB-DHRIO is often more cost-effective, saves a chassis slot, and offers greater configuration flexibility for complex data mapping. Compared to other third-party gateways, Prosoft is often perceived as the de-facto standard for Rockwell protocol integration due to its deep, certified compatibility and widespread industry adoption. The PROSOFT AN-X2-AB-DHRIO is specifically tuned for the nuances of DH+ and RIO protocols.

Selection Suggestions and Precautions

1. Network Role Definition: Clearly define whether the module needs to act as a Bridge, Adapter, or Listen-Only station on the DH+/RIO networks, as this affects configuration and network loading.
2. DH+ Network Considerations: Assess the existing DH+ network health (baud rate, termination, number of nodes) before installation. The PROSOFT AN-X2-AB-DHRIO must be configured with a unique DH+ station address that does not conflict with existing nodes.
3. Configuration Complexity: While web-based, mapping data between ControlLogix tags and PLC-5/SLC data tables requires careful planning. Utilize the Prosoft Configuration Builder software for larger projects to simplify this process.
4. RIO Adapter/Bridge Mode: Understand the limitations and scan rate implications when using the RIO port, especially in multi-drop adapter scenarios.
5. Firmware and Documentation: Always use the latest stable firmware and consult the extensive application notes from Prosoft. For the correct configuration guides and firmware updates, always refer to the official source: PROSOFT AN-X2-AB-DHRIO. Ensure your plant IT policies allow for the IP address scheme required by the module.

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