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- VW3A3628
- CANopen Communication Module
- France
- 100 × 80 × 20 mm
- 0.3 kg
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Product Overview
The Schneider VW3A3628 Altivar CANopen Communication Module is used to connect compatible Altivar variable speed drives to a CANopen industrial communication network. It provides the communication interface needed to exchange drive commands, operating status, monitoring data, and diagnostic information between the drive and a CANopen-based control system.
In a typical automation cabinet, the module is installed with an applicable Altivar drive while the CANopen network connects the drive to a PLC, motion controller, or other automation equipment. This arrangement allows drive functions to be handled through the control network instead of relying entirely on hardwired command and status signals.
The VW3A3628 is particularly useful in systems containing multiple drives. A common CANopen network can coordinate several motor drives while the controller manages functions such as start and stop commands, speed references, operating states, and fault monitoring through the network interface.
For retrofit and maintenance applications, the communication module can also be used where an existing Altivar installation needs to be integrated into a CANopen architecture. Network wiring, node configuration, drive parameters, and controller-side communication settings should all be checked during commissioning.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | VW3A3628 |
| Product Family | Altivar |
| Product Type | CANopen Communication Module |
| Primary Function | CANopen communication for Altivar drives |
| System Role | Drive communication interface |
| Network | CANopen |
| Application | Variable speed drive control and monitoring |
| Installation | Compatible Altivar drive |
| Dimensions | 100 × 80 × 20 mm |
| Weight | 0.3 kg |
Product Features
- Part of the Schneider Electric Altivar drive communication ecosystem.
- Provides CANopen network connectivity for compatible Altivar drives.
- Supports network-based drive command and monitoring functions.
- Suitable for multi-drive automation systems.
- Reduces dependence on individual hardwired control signals.
- Allows drive status and diagnostic information to be exchanged with the controller.
- Suitable for distributed machine-control architectures.
- Useful for integrating existing Altivar drives into CANopen networks.
Working Principle
The VW3A3628 acts as the communication interface between a compatible Altivar drive and the CANopen network. The controller sends drive commands through the network, while operating information from the drive is returned through the same communication architecture.
PLC / Controller → CANopen Network → VW3A3628 → Altivar Drive → Motor
A controller can send commands such as drive enable, start/stop instructions, speed or operating references, and other configured control information. The drive processes these commands and controls the connected motor accordingly.
The drive can also return information to the controller for monitoring and diagnostics. Depending on the configured application, this can include operating state, drive status, fault conditions, and other available monitoring information.
Typical network functions include:
- Drive start and stop control
- Speed reference transmission
- Drive status monitoring
- Fault and alarm monitoring
- Parameter-related communication
- Multi-drive coordination
- Remote operating control
- Centralized drive diagnostics
The module therefore creates the communication path between the CANopen control network and the internal control functions of the Altivar drive.
Role in an Altivar CANopen Control Architecture
The VW3A3628 operates between the CANopen network and the Altivar drive. It allows the drive to become a networked device within a larger machine-control system.
PLC / CANopen Master → CANopen Network → VW3A3628 → Altivar Drive → Motor / Machine
| System Element | Function |
|---|---|
| PLC / CANopen Master | Generates drive commands and processes status information |
| CANopen Network | Transfers control and monitoring data |
| VW3A3628 | Interfaces the Altivar drive with the CANopen network |
| Altivar Drive | Controls motor operation according to received commands |
| Motor | Converts electrical drive output into mechanical motion |
| Machine Equipment | Performs the required production or process operation |
| Engineering / HMI System | Provides configuration, monitoring, and diagnostic functions |
This architecture is particularly useful when several drives need to operate as coordinated parts of one automated machine.
Industrial Applications
| Application | Typical Use |
|---|---|
| Conveyor Systems | Networked control of multiple variable speed drives |
| Packaging Machinery | Coordinating drive operation across machine sections |
| Material Handling | Centralized control and monitoring of motor drives |
| Manufacturing Lines | Exchanging drive commands and status over CANopen |
| Pump Systems | Network-based speed control and monitoring |
| Fan and Blower Systems | Centralized variable speed operation |
| Automated Machinery | Coordinating multiple motors through a common network |
| Process Equipment | Integrating Altivar drives with supervisory control systems |
Installation and Maintenance
- Confirm that the VW3A3628 is compatible with the specific Altivar drive being used.
- Isolate drive power before installing or removing the communication module.
- Install the module correctly according to the drive hardware arrangement.
- Verify CANopen network wiring and connector connections before commissioning.
- Confirm the network node configuration and addressing scheme.
- Check communication parameters configured in both the drive and CANopen master.
- Inspect network cables and connections for loose terminals or physical damage.
- Verify that the drive is recognized by the CANopen controller.
- Check drive status and communication diagnostics during startup.
- When communication fails, separate network wiring problems from drive configuration or module faults.
- After replacing the module, verify node communication and drive control functions.
- Test start/stop, reference commands, status feedback, and fault monitoring before returning the machine to normal operation.
When troubleshooting CANopen communication, checking the complete network path is important. A communication failure can originate from wiring, network configuration, node settings, controller configuration, the communication module, or the drive itself.
Related Components
| Component | Function |
|---|---|
| Altivar Variable Speed Drive | Controls motor speed and operation |
| CANopen Master / PLC | Manages networked drive commands and status |
| CANopen Network Cable | Provides communication between network nodes |
| Motor | Converts drive output into mechanical motion |
| HMI | Provides operator control and drive monitoring |
| Engineering Software | Used for drive configuration and diagnostics |
| Motor Protection Components | Protects the motor and associated electrical circuits |
| Machine Controller | Coordinates drive operation with other automation functions |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Schneider VW3A3628 | Altivar CANopen Communication Module | CANopen drive communication |
| Schneider VW3A3608 | Altivar Communication Module | Drive network integration |
| Schneider VW3A3615 | Altivar Communication Module | Industrial drive communication |
| Schneider Altivar 320 | Variable Speed Drive | Machine motor control |
| Schneider Altivar 630 | Variable Speed Drive | Process and industrial motor control |
| Schneider Altivar 930 | Variable Speed Drive | Advanced industrial drive applications |
Key Advantages
- Provides CANopen connectivity for compatible Altivar drives.
- Supports network-based drive control and monitoring.
- Suitable for multi-drive automation architectures.
- Reduces the need for extensive hardwired control interfaces.
- Allows drive status and fault information to reach the controller.
- Practical for machine automation and Altivar retrofit applications.
Technical FAQs
What is the main purpose of the VW3A3628?
The VW3A3628 provides a CANopen communication interface for compatible Altivar drives, allowing drive commands, status information, and monitoring data to be exchanged with a CANopen control system.
Can multiple Altivar drives be connected through the same CANopen network?
Yes. CANopen is commonly used to connect multiple network nodes, allowing a controller to communicate with several compatible drives. The network topology, node configuration, and controller settings must be established correctly for the specific installation.
What should be checked when an Altivar drive cannot communicate over CANopen?
Check the CANopen wiring and connections first, then verify node configuration, communication settings, controller configuration, and the communication module. Drive status and network diagnostics can help determine whether the problem is located at the physical network, communication interface, or controller level.
Does the VW3A3628 control the motor directly?
The module itself does not perform the motor-control power conversion. It provides the communication path through which the controller can send commands to the Altivar drive. The drive then executes the configured motor-control functions.