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ABB RCNA-01 Adapter Module  

1. Key Parameters

• Product Model: RCNA-01
• Product Series: ABB RCN-Series Industrial Adapter Modules (Automation System Interface Adaptation)
• Core Function: Adapts RS485 to Ethernet signals; supports Modbus RTU/TCP; DIN rail mounting; compatible with ABB AC800M/800xA.

2. Core Features

• Dual-Protocol Adaptation: Converts RS485 (Modbus RTU) to Ethernet (Modbus TCP), connecting legacy RS485 devices to ABB Ethernet-based systems.
• Compact Design: 85×70×28mm size fits dense control cabinets, saving installation space.
• ABB System Compatibility: Plug-and-play integration with AC800M/800xA—no custom programming, reducing setup time.
• Industrial Durability: -25℃~+60℃ range and 500Vrms isolation withstand electrical noise and vibration in industrial environments.

3. Application Fields

• Process Plants: Adapts RS485 pressure transmitters to 800xA DCS in chemical/petrochemical facilities.
• Manufacturing: Connects legacy RS485-based motor sensors to AC800M PLCs in automotive assembly lines.
• Utilities: Translates RS485 water flow meter signals to Ethernet for ABB power management systems.

4. Precautions

• Compatibility: Use only with ABB AC800M/800xA; ensure connected devices support Modbus RTU/TCP.
• Installation: Shield RS485 cables to reduce interference; separate from high-current lines; ground to system earth (≤0.5Ω).
• Maintenance: Check communication stability quarterly; clean Ethernet/RS485 ports monthly; replace if signal conversion fails.
• Spare Parts: Use genuine ABB RCNA-01 units—non-genuine modules may cause data loss or protocol mismatches.

The structure and details of the product：

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