Description
The ABB COM0034 2RCA023019A0004C is a high-performance communication module designed for industrial automation systems, serving as a critical interface for seamless data exchange between control systems, field devices, and higher-level networks. As part of ABB’s AC 800M control system portfolio, this module enables reliable connectivity in distributed control environments, supporting multiple industrial communication protocols to enhance system flexibility and integration capabilities. The COM0034 2RCA023019A0004C is engineered to handle real-time data transmission, remote device management, and protocol conversion, making it ideal for applications in manufacturing, energy, and process industries where robust and secure communication is essential.
Featuring a compact design and rugged construction, the COM0034 2RCA023019A0004C supports protocols such as Profibus DP, Modbus RTU, and Ethernet/IP, allowing it to interface with a wide range of devices, including sensors, actuators, and third-party PLCs. Its dual-port Ethernet interface enables redundant network configurations, ensuring high availability in mission-critical systems. The module integrates seamlessly with ABB’s 800xA software platform, providing centralized management of communication parameters, diagnostics, and firmware updates. Positioned as a versatile connectivity solution, the COM0034 2RCA023019A0004C simplifies complex network architectures, reduces wiring complexity, and enhances operational efficiency by enabling real-time monitoring and control across distributed systems.
| Parameter Name |
Parameter Value |
| Product Model |
COM0034 2RCA023019A0004C |
| Manufacturer |
ABB |
| Product Type |
Industrial Communication Module |
| Supported Protocols |
Profibus DP, Modbus RTU, Ethernet/IP, OPC UA |
| Interface Type |
2x Ethernet (10/100 Mbps), 2x RS-485/RS-232 |
| Redundancy Support |
Dual-port Ethernet redundancy |
| Power Supply |
24 V DC ±10% |
| Operating Temperature |
-25°C to +60°C |
| Dimensions (W×H×D) |
36 mm × 100 mm × 110 mm |
| Mounting Method |
DIN rail (AC 800M I/O rack) |
| Certification |
CE, UL, IEC 61131-2, IEC 61850-3 |
| Data Transfer Rate |
Up to 100 Mbps (Ethernet), 12 Mbps (Profibus) |
| Diagnostic Features |
LED status indicators, fault logging |
The COM0034 2RCA023019A0004C eliminates the need for multiple specialized modules by supporting a wide range of industrial protocols. For example, it can simultaneously communicate with Profibus DP-based drives in a manufacturing line and Modbus RTU-based sensors in a water treatment plant, consolidating data into a single Ethernet/IP network for centralized monitoring via ABB’s 800xA system. This flexibility reduces hardware costs and simplifies system integration, particularly in hybrid environments with legacy and modern devices.
With dual-port Ethernet support, the module enables ring or star network topologies, ensuring continuous operation even if one network path fails. This is critical in applications like oil refineries or power plants, where uninterrupted communication is essential for safety and production continuity. The module’s automatic failover mechanism switches to the redundant path within milliseconds, minimizing data loss and downtime.
Built-in diagnostics, including real-time LED status indicators and detailed fault logs, allow operators to quickly identify and resolve communication issues. The module’s web-based interface enables remote configuration and firmware updates via ABB’s Control Builder M software, reducing maintenance time and costs. In a food processing plant, for instance, technicians can remotely adjust Modbus RTU parameters for packaging machines without disrupting production, improving operational agility.
Designed for space-constrained control panels, the COM0034 2RCA023019A0004C occupies minimal DIN rail space while withstanding harsh industrial conditions, including vibration, moisture, and electromagnetic interference. Its conformal-coated PCB and reinforced housing make it suitable for outdoor installations or high-noise environments, such as metal fabrication shops or mining sites.
The ABB COM0034 2RCA023019A0004C is essential in industries requiring seamless integration of diverse devices and systems:
- Manufacturing: Connects PLCs, robots, and conveyor systems in automotive assembly lines via Ethernet/IP, enabling real-time production data exchange with MES systems. The module’s Profibus DP support also facilitates communication with motor drives and safety controllers.
- Energy and Utilities: Integrates renewable energy inverters, smart meters, and SCADA systems in solar farms or substations, using Modbus RTU for sensor data and Ethernet/IP for remote monitoring. Redundant Ethernet ensures reliable communication during grid fluctuations.
- Process Industries: Manages communication between DCS systems and field devices (e.g., valves, analyzers) in chemical plants, using Profibus DP for high-speed data transfer and OPC UA for secure cloud connectivity. The module’s diagnostics help maintain compliance with ISO 9001 quality standards.
- Water and Wastewater: Connects pumps, level sensors, and actuators in treatment plants via Modbus RTU, while Ethernet/IP enables integration with supervisory control systems. Its rugged design withstands humid environments typical of wastewater facilities.
- ABB COM0028: A previous-generation communication module with single-port Ethernet, suitable for non-critical applications.
- ABB COM0036: A higher-performance variant supporting PROFINET and additional protocols, ideal for advanced industrial networks.
- ABB PM866AK01: AC 800M controller, which pairs with the COM0034 for centralized control and data processing.
- ABB TA541: Terminal block for secure field wiring, compatible with the module’s RS-485/RS-232 interfaces.
- ABB CI522: Profibus DP interface module, complementary to the COM0034 for the AC 800M system.
- Mount the COM0034 2RCA023019A0004C in an AC 800M I/O rack, ensuring proper grounding and ventilation.
- Connect Ethernet cables to the dual ports for redundant network setup, and terminate field device cables (e.g., Profibus DP, Modbus RTU) to the TA541 terminal block with specified torque (2.5 N·m).
- Configure protocols, IP addresses, and baud rates using Control Builder M, verifying compatibility with field devices (e.g., setting Profibus DP slave addresses for drives).
- Monthly: Inspect LED indicators to confirm network connectivity and protocol status (green for normal, red for faults).
- Quarterly: Clean dust from ventilation slots using compressed air, especially in dusty environments like cement plants.
- Annually: Update firmware via Control Builder M to access new protocol support or security patches. Test redundant network failover functionality to ensure reliability.
- As needed: Replace faulty modules using hot-swappable procedures, ensuring the new module’s firmware matches the system version to avoid compatibility issues.
ABB stands behind the COM0034 2RCA023019A0004C with a 3-year warranty, covering defects in materials and workmanship. ABB’s global technical support team provides 24/7 assistance for configuration, troubleshooting, and remote diagnostics, ensuring minimal disruption to operations. The module’s compliance with international standards (IEC, UL) and ABB’s rigorous testing (e.g., 10,000-cycle connectivity tests) guarantees long-term reliability. For critical applications, ABB offers extended warranty plans and predictive maintenance services, leveraging the module’s diagnostic data to proactively address potential issues and maximize system uptime.
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