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Key Technical Specifications
- Product Model: RLX2-IHNF-A
- Manufacturer: ProSoft Technology
- Product Family: RLX2 Industrial Wireless Gateway Series
- Wireless Protocol: WirelessHART (IEC 62591), 2.4 GHz ISM band, mesh networking
- Wired Interface: 10/100 Mbps Ethernet with RJ45 connector
- Supported Protocols: Modbus TCP (client/server), EtherNet/IP (adapter mode), HTTP/HTTPS, SNMP
- HART Device Support: Up to 100 WirelessHART field devices per gateway (typical); supports dynamic variables (PV, SV, TV, QV) and device diagnostics
- Power Supply: 10–30 VDC (terminal block) or Power over Ethernet (PoE, IEEE 802.3af Class 0)
- Operating Temperature: -40°C to +75°C
- Enclosure Rating: IP30 (for indoor panel mounting)
- Security Features: AES-128 encryption, WPA2/WPA3, user authentication, VLAN support, firewall rules
Core Performance and Selection Advantages
The ProSoft RLX2-IHNF-A delivers significant performance and architectural advantages over traditional wired HART or legacy gateways. By leveraging the self-healing, time-synchronized mesh topology of WirelessHART, it ensures reliable data delivery even in electrically noisy or physically obstructed industrial environments—common in refineries, pipelines, and treatment plants. Compared to earlier-generation gateways, the RLX2 platform offers faster scan rates (down to 1-second updates for critical variables), higher device density, and lower latency due to optimized protocol handling and a dedicated ARM-based processor.
A key functional highlight is its dual-protocol support: it can simultaneously serve HART data via Modbus TCP to SCADA systems (e.g., Ignition, Wonderware) and as an EtherNet/IP adapter to Rockwell ControlLogix or CompactLogix controllers—eliminating the need for separate protocol converters. This convergence reduces hardware count, simplifies network topology, and lowers engineering effort during commissioning.
From a total cost of ownership (TCO) perspective, the RLX2-IHNF-A dramatically cuts installation expenses by eliminating conduit, cable, and termination labor for remote instruments. In greenfield projects, this can reduce I/O wiring costs by 30–50%. Additionally, access to HART diagnostics (e.g., sensor health, loop current, device alerts) enables predictive maintenance, reducing unplanned downtime. The unit’s support for PoE further simplifies power distribution in new cabinets, while its rugged design ensures long-term reliability without frequent replacement.
PROSOFT RLX2-IHNF-A
System Integration and Expandability
Integration of the RLX2-IHNF-A is streamlined through ProSoft’s configuration tools and broad ecosystem compatibility. It is configured via an embedded web interface or ProSoft’s Configuration Builder Software, which provides guided setup for WirelessHART networks, tag mapping, and security policies. For Rockwell-centric environments, the EtherNet/IP adapter mode allows the gateway to appear as a standard I/O rack in Studio 5000, enabling direct tag binding without custom code.
In terms of enterprise connectivity, the gateway supports secure data flow to higher-level systems. Modbus TCP output integrates natively with most SCADA and historian platforms (e.g., OSIsoft PI, AspenTech). While it does not natively publish MQTT or OPC UA, it can feed data to edge platforms like Rockwell FactoryTalk Edge Gateway or Kepware KEPServerEX, which then bridge to cloud services (e.g., Azure IoT, AWS IoT) using modern protocols.
The system scales efficiently: multiple RLX2-IHNF-A units can be deployed across a site to segment WirelessHART networks by area or function, all managed under a unified naming convention. Each gateway supports up to 100 field devices, though practical limits (~60–80) are recommended for optimal performance. Redundancy is achieved at the application level (e.g., dual gateways on critical loops), as the unit itself is non-redundant. For future expansion, the same infrastructure can incorporate additional IIoT sensors (e.g., vibration, acoustic) via compatible WirelessHART transmitters, making it a flexible foundation for ongoing digital transformation initiatives.
