Overview
The Bachmann CM202 is a high-performance CAN fieldbus master module engineered for robust communication in industrial control systems. It is part of Bachmann’s modular automation platform and is widely used in sectors such as energy, marine, and manufacturing. The module enables seamless integration of distributed devices using Controller Area Network (CAN) technology, which is known for its reliability and noise immunity.
Moreover, the CM202 supports two galvanically isolated CAN interfaces, allowing it to operate two completely independent CAN networks simultaneously. This dual-channel architecture enhances system flexibility and fault tolerance. In addition, the module supports multiple CAN-based protocols including CANopen, J1939, and NMEA 2000, which can be configured via Bachmann’s SolutionCenter software using EDS files or application-level programming.
Its rugged design ensures stable performance even in environments with high electrical interference, vibration, or temperature variation. Therefore, the CM202 is a trusted solution for engineers building scalable and resilient automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | CM202 |
| Dimensions | 120 × 280 × 140 mm |
| Weight | 2 kg |
| Operating Temperature | –25°C to +70°C |
Typical Applications / System Integration
The Bachmann CM202 is widely used in industrial systems requiring reliable and scalable CAN communication:
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Energy Systems: Integrates sensors and controllers in wind turbines, substations, and power plants.
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Marine Automation: Supports navigation, engine control, and onboard diagnostics via NMEA 2000.
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Manufacturing: Connects PLCs, HMIs, and I/O modules in distributed automation networks.
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Transportation: Enables vehicle diagnostics and control in rail and heavy equipment systems.
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Process Control: Facilitates real-time communication in chemical and pharmaceutical plants.
Its dual CAN interface and protocol flexibility make it ideal for complex, multi-network environments.
FAQ
Q: What protocols does the CM202 support?
A: CANopen, J1939, NMEA 2000, and proprietary protocols.
Q: Can it operate two CAN networks simultaneously?
A: Yes, it has two independent, galvanically isolated CAN channels.
Q: How is it configured?
A: Using Bachmann’s SolutionCenter software with EDS files or custom programming.
Q: What industries commonly use this module?
A: Energy, marine, manufacturing, transportation, and process automation.
Q: Is it suitable for harsh environments?
A: Yes, it offers high EMI resistance and operates from –25°C to +70°C.
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