Fieldbus. Schneider Electric ATRIUM, Premium, Quantum, Modicon M340

Below you will find brief information for PLC Modicon M340, PLC Premium, PLC Atrium, PLC Quantum. This document describes the communication services and architectures for use with Schneider PLCs programmed using Unity Pro software, which includes a detailed overview of the communication application, such as the types of networks and buses, services and architectures available, information on addressing, operating modes, configuration, debugging, and more.

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PLC Modicon M340, Premium, Atrium, Quantum Reference Manual | Manualzz

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Key features

  • Communication services and architectures

  • Global Data service

  • IO Scanning service

  • Peer Cop service

  • Common Words and Shared Tables services

  • Messaging service

  • Addressing

  • Operating modes

  • Network configuration

  • Bus configuration

Frequently asked questions

The available communication services include messaging, implicit database access, and implicit I/O management. These services are used for various purposes such as data exchange, application synchronization, and remote I/O monitoring.

Schneider PLCs support various communication networks and buses, including Ethernet, Modbus Plus, Fipway, Uni-Telway, Modbus/JBus, character mode serial link, CANopen, Interbus, Profibus, and AS-i.

The Global Data service uses a publication/subscription method for data exchange. Communication modules are grouped into a Distribution group, and each module publishes a local application variable for the other modules in the group. Modules can also subscribe to variables published by other modules in the same distribution group.

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