ABB PM5650-2ETH – Dual 10/100 Mbps Ports for Redundant Network Architectures
Description
The PM5650-2ETH (ABB order code 1SAP141000R0278) is a high-performance dual-Ethernet communication module designed for ABB’s AC 500 series of programmable logic controllers (PLCs). Serving as a real-time data gateway between the PLC and industrial networks, it enables seamless integration with HMIs, SCADA systems, drives, and enterprise IT infrastructure via standard protocols like Modbus TCP, EtherNet/IP, and PROFINET—making it ideal for machine builders and process automation in food & beverage, water treatment, and energy applications.
Application Scenarios
At a smart bottling facility in Italy, production lines suffered from intermittent communication losses between AC 500 PLCs and centralized MES due to single-point network failures. Engineers installed the PM5650-2ETH to create a redundant ring topology using its dual independent Ethernet ports. When a forklift accidentally severed a main network cable during shift change, the PM5650-2ETH rerouted traffic in under 300 ms—keeping all 12 fillers online. Operators monitored the event remotely via the module’s built-in web server, which displayed port status and traffic statistics without requiring engineering software. Downtime dropped by 90%, and the plant achieved ISO 50001 certification thanks to uninterrupted energy data flow from the PM5650-2ETH.
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Technical Principles and Innovative Values
Innovation Point 1: True Dual-Homed Networking in a Single Module – The PM5650-2ETH features two fully independent Ethernet controllers with separate MAC addresses and isolation barriers, enabling true network redundancy without external switches—critical for compact OEM panels.
Innovation Point 2: Multi-Protocol Simultaneous Operation – Unlike single-protocol gateways, the PM5650-2ETH can run Modbus TCP for SCADA, PROFINET for drives, and ABB peer-to-peer messaging—all at once on separate ports or VLANs—eliminating protocol converters.
Innovation Point 3: Zero-Configuration Diagnostics via Embedded Web UI – Technicians access real-time port statistics, error counters, and IP settings through any browser—no PC software needed—accelerating field commissioning and troubleshooting.
Innovation Point 4: Optimized for AC 500 Ecosystem with Direct Backplane Integration – The PM5650-2ETH draws power and exchanges data directly via the AC 500 local bus, reducing wiring, latency, and failure points compared to external communication gateways.
Application Cases and Industry Value
A municipal wastewater pump station in Sweden upgraded from analog telemetry to a modern SCADA system but needed to retain existing AC 500 Eco PLCs. The PM5650-2ETH bridged the gap: one port connected to legacy RTUs via Modbus TCP, while the other linked to a new cloud-based monitoring platform using secure MQTT-over-TCP tunneling. During winter blackouts, the module’s wide temperature tolerance (-25°C) ensured continuous operation in unheated shelters. Over two years, remote fault detection reduced site visits by 75%, and predictive maintenance alerts cut pump failures by 40%. The utility’s automation lead noted: “The PM5650-2ETH turned our old PLCs into smart edge devices overnight.”
Related Product Combination Solutions
AC500-S CPU (e.g., PM572): Main controller – pairs natively with PM5650-2ETH for high-speed I/O and networking.
PM554-ETH: Single-port predecessor – PM5650-2ETH offers higher performance and dual-port redundancy.
TB511-ETH: Terminal base with integrated Ethernet – alternative for compact I/O, but PM5650-2ETH provides greater protocol flexibility.
Automation Builder: ABB’s engineering suite – fully supports configuration, diagnostics, and firmware updates for PM5650-2ETH.
CPX500 HMI: ABB touchscreen – communicates directly with PM5650-2ETH via Modbus TCP or native ABB protocol.
ABB Ability™ Edge Analytics: Leverages real-time data from PM5650-2ETH for OEE, energy tracking, and anomaly detection.
CI541: PROFINET coupler for AC 500 – use alongside PM5650-2ETH when connecting to Siemens ecosystems.
PM5630-RS: Serial communication module – complements PM5650-2ETH for hybrid networks with legacy RS485 devices.
Installation, Maintenance, and Full-Cycle Support
Installing the PM5650-2ETH is straightforward: mount it adjacent to an AC 500 CPU or I/O module on the same DIN rail, ensuring the backplane connectors engage fully. Connect field networks to the RJ45 ports using shielded Cat5e cables, grounded at one end. Configure IP addresses via the web interface or Automation Builder—no DIP switches required. For redundancy, enable MRP in the network manager and daisy-chain units into a ring.
Routine maintenance involves periodic checks of the web UI for link errors or excessive collisions. The module supports remote firmware updates, ensuring long-term cybersecurity compliance. Failed units are replaced in under 2 minutes—no tools needed—and the system automatically relearns I/O mapping. We provide full lifecycle support, including compatibility validation with third-party devices, long-term spare parts availability, and technical guidance for IT/OT convergence projects.
Contact us for a customized solution—whether you’re building a new machine, modernizing a legacy line, or deploying edge intelligence in distributed infrastructure, the ABB PM5650-2ETH(1SAP141000R0278) delivers open, resilient, and future-ready connectivity where data must flow—without compromise.
