BACHMANN CM202

BACHMANN CM202 Product Details

The BACHMANN CM202 is a versatile CAN (Controller Area Network) fieldbus master module designed for industrial automation applications. It serves as an interface between Bachmann's M1 controller system and CAN-based networks, enabling communication with various field devices and other control systems. The CM202 module can operate one or two independent CAN networks, with each connection configurable as either an NMT (Network Management) master or slave.

Product Parameters

Here are some key technical specifications of the BACHMANN CM202:

• CAN Interfaces: 2 independent CAN/CANopen interfaces

• Maximum Number of Masters: Up to 4 CM202 modules per M1 controller

• Number of CAN Buses: 2 per module, allowing up to 8 CAN buses per M1 controller

• Maximum Number of Nodes: Up to 64 per CAN bus (typically), 127 per network

• Protocols Supported: CANopen (CiA DS 301), SAE J1939, NMEA 2000, and the possibility of implementing proprietary protocols.

• Baud Rate: 10 kbaud to 1 Mbaud

• Bus Length: Maximum 5000 m (signal repeater may be required for longer distances)

• Connection: 2x 9-pin D-Sub female connectors (in accordance with CiA DS 102/4 pin assignment)

• Signal Level: In accordance with CiA DS 102/4

• Galvanic Isolation: 500 V between the CAN interfaces and the system

• Current Consumption: 320 mA / 5 VDC

• CANopen Functionality:

• CANopen Master: Yes

• CANopen Slave: Yes

• PDO (Process Data Object): Max 128 TxPDOs + 128 RxPDOs per network, variable PDO mapping, synchronous/asynchronous, RTR, event-driven transmission modes.

• SDO (Service Data Object): 4 server, 64 client

• Emergency Messages: NMT slave is producer, NMT Master is consumer

• Network Monitoring: Heartbeat and/or node guarding with individual limits per node

• Device Profiles: Supports CiA DSP 301, DSP 302, and DSP 405

• Configuration: Via Bachmann's SolutionCenter software, which uses EDS files to create DCF files.

• Diagnosis: System variables (bus load, error counters, etc.), built-in protocol sniffer with logging capabilities.

• Approvals/Certificates: CE, cULus, CCC, and marine certifications like DNV GL, LR, ABS, BV.

• Ambient Conditions:

• Operating Temperature: -30 to +60 °C

• Relative Humidity (Operation): 5 to 95 % without condensation

• Storage Temperature: -40 to +85 °C

• Relative Humidity (Storage): 5 to 95 % with condensation

• Pollution Degree: 2 (according to IEC 60664-1)