VW3A3302

The Schneider Electric VW3A3E302, also cataloged as the VW3A3E302 Modbus Plus Communication Card, provides network communication between compatible Altivar drive platforms and a Modbus Plus network. It operates at 1 Mbps through a 9-way female SUB-D connector and supports messaging, global data exchange, and Peer Cop I/O data services. Compatible drive ranges include Altivar 71 Plus and Altivar 61 Plus.

Hardware Specifications

Parameter	Specification
Model	VW3A3E302
Brand	Schneider Electric
Product Type	Modbus Plus Communication Card
Compatible Platforms	Altivar 71 Plus, Altivar 61 Plus
Communication Protocol	Modbus Plus
Transmission Rate	1 Mbps
Connector Type	9-way female SUB-D
Address Range	1 to 64
Communication Services	Modbus messaging, global data, Peer Cop
Global Data Capacity	8
Peer Cop I/O Data	8
Communication Monitoring	Can be inhibited; adjustable
Status Indication	1 MB+ status LED
Diagnostic Display	Graphic display terminal for received control word, I/O data, and reference
Weight	0.3 kg
Package Dimensions	23 x 17 x 7 cm
EAN	3389118321908
Product Status	Discontinued on 4 Aug 2021
End of Service	31 Dec 2022

Modbus Plus Communication and Network Integration

The VW3A3E302 provides Modbus Plus connectivity for compatible Altivar drive platforms. Its communication interface operates at 1 Mbps and uses a 9-way female SUB-D connector for network connection.

Supported communication functions include Modbus messaging, global data exchange, and Peer Cop I/O data. The address range is 1 to 64. Communication monitoring can be inhibited through an adjustable setting, subject to the drive configuration and application requirements.

The card includes an MB+ status LED. When a compatible graphic display terminal is available, the received control word, I/O data, and reference can also be displayed for communication diagnostics.

Frequently Asked Questions

Q: Which Altivar drive platforms are compatible with the VW3A3E302?

A: The documented compatible ranges are Altivar 71 Plus and Altivar 61 Plus. Verify the specific drive configuration and installation documentation before fitting the card.

Q: What physical network interface and transmission rate does the card support?

A: It uses a 9-way female SUB-D connector and supports Modbus Plus communication at 1 Mbps.

Q: Can the VW3A3E302 be treated as a direct replacement for another communication card?

A: Schneider Electric lists no replacement for this model. Any alternative must be evaluated for drive compatibility, network protocol, connector interface, and supported communication services.

Field Installation Guidelines

1. Isolate the drive from all power sources and follow the applicable lockout and verification procedures before installation or removal.
2. Confirm that the target drive is an Altivar 71 Plus or Altivar 61 Plus configuration documented to accept the VW3A3E302.
3. Install the card in the designated communication-card position according to the drive hardware manual. Do not force the connector or mounting points.
4. Connect the Modbus Plus network through the 9-way female SUB-D interface. Verify connector compatibility, cable routing, and network termination requirements against the applicable network documentation.
5. Route communication wiring separately from motor cables and other high-noise power conductors where practicable. Follow the drive manufacturer's shielding and grounding instructions.
6. Configure the network address within the documented range of 1 to 64 and verify the required messaging, global data, and Peer Cop settings.
7. Check the MB+ status LED and available graphic-terminal diagnostics after commissioning. Confirm that received control words, I/O data, and reference values match the application configuration.
8. Because the card is discontinued and its listed end-of-service date has passed, verify the condition and compatibility of any installed or replacement hardware before returning the drive to service.

---