Technical Specifications

FAQ

1. What is VW3CANCARR03 used for in a CANopen network?
VW3CANCARR03 is a preassembled CANopen connecting cable designed to provide a direct communication connection between compatible CANopen devices. It uses RJ45 connectors at both ends, allowing compatible Schneider Electric equipment to be connected without preparing a custom communication cable. The cable is intended for CANopen machine bus applications and can be used in automation systems containing compatible drives, motion controllers, communication modules, and other CANopen devices. Because the cable is preassembled, it simplifies field installation and reduces the possibility of wiring errors associated with manually assembled communication cables.

2. What type of connectors are installed on VW3CANCARR03?
VW3CANCARR03 is equipped with two RJ45 connectors, one at each end of the cable. Both connectors are designed for direct connection to compatible CANopen communication ports. This configuration is particularly convenient for equipment that supports RJ45-based CANopen connections, because no additional connector assembly is normally required. Before installation, the communication ports of both devices should be checked to ensure that they support the required CANopen interface and RJ45 connection arrangement. The RJ45 connector should be inserted completely and securely to prevent intermittent communication caused by poor contact.

3. What communication bus does VW3CANCARR03 support?
VW3CANCARR03 is designed for the CANopen bus. CANopen is commonly used in industrial automation and motion-control applications for communication between controllers, drives, I/O devices, and other intelligent field devices. The cable provides the physical connection between compatible CANopen interfaces but does not itself perform protocol conversion or network configuration. Reliable communication also depends on correct CANopen node configuration, communication parameters, network topology, termination, and device compatibility. When several CANopen devices are connected, the complete network should be designed according to the requirements of the CANopen system rather than treating the cable as an independent communication component.

4. Which Schneider Electric product families are compatible with VW3CANCARR03?
VW3CANCARR03 is intended for use with compatible Schneider Electric equipment supporting the corresponding CANopen interface. Compatible product families include Altivar Process ATV900, Altivar 71, Altivar 32, Altivar Machine ATV320, Altivar Machine ATV340, Altivar Process ATV600, Altivar 31, Altivar 31C, Altivar 312, Lexium 28, Lexium SD3, Modicon M238, Modicon M258, Modicon LMC058, and compatible Magelis XBT GC, GT, and GK products. The exact communication interface should always be verified against the specific equipment model before installation, particularly when different generations or communication options are involved.

5. Can VW3CANCARR03 be used to connect two CANopen devices directly?
Yes, when both devices provide compatible RJ45 CANopen communication ports and the network configuration permits a direct connection. The two RJ45 connectors allow the cable to be inserted directly into the corresponding CANopen ports. In a simple point-to-point connection, the cable provides the physical communication path between the two devices. In a larger CANopen network, however, the cable should be considered as one section of the overall bus. Network topology, node arrangement, termination resistors, maximum bus length, and communication speed must be considered to ensure stable communication. The cable alone does not determine whether a complete CANopen network is correctly configured.

6. What should be checked if CANopen communication is unstable when using VW3CANCARR03?
If CANopen communication becomes intermittent or unstable, the first step is to inspect both RJ45 connections and confirm that the connectors are fully inserted and mechanically secure. The cable should also be checked for visible damage, excessive bending, crushed sections, or other mechanical stress. If the cable is physically intact, the CANopen network configuration should be reviewed, including node addresses, communication settings, bus termination, network topology, and the number of connected devices. Electromagnetic interference should also be considered when the cable is routed close to motor power cables, contactors, or variable frequency drives. For a multi-device CANopen network, incorrect termination or unsuitable network configuration can produce communication errors even when the connecting cable itself is functioning correctly.

7. What are the advantages of using a preassembled CANopen cable instead of making a cable manually?
A preassembled cable such as VW3CANCARR03 reduces the amount of work required during installation because the connectors are already fitted and the cable is ready for use. This eliminates the need to assemble RJ45 connectors manually and helps reduce the risk of incorrect pin connections, poor crimping, or inconsistent cable preparation. The compact 300 mm cable length is useful for short connections between adjacent automation components, helping keep control cabinet wiring organized. For maintenance teams, a standardized preassembled cable can make replacement faster because the correct cable can be installed without manufacturing a replacement cable on site.

8. What installation precautions should be followed when using VW3CANCARR03 in an industrial automation system?
The cable should be installed in a way that protects both RJ45 connectors and the cable itself from excessive mechanical stress. Avoid sharp bends, crushing, pulling, or repeated movement at the connector area. In industrial cabinets, CANopen communication wiring should be routed with appropriate separation from high-power motor cables and other strong sources of electromagnetic interference. The RJ45 connectors should be kept clean and securely connected throughout operation. When VW3CANCARR03 is used as part of a larger CANopen network, the complete network should also be checked for correct topology, termination, node configuration, and communication parameters. Before commissioning, verify that every connected device supports the required CANopen interface and that the communication network operates correctly under the actual machine conditions.