NI Modbus Library for LabVIEW

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  • Works with standard serial and Ethernet ports
  • Facilitates Modbus TCP/IP and serial communication
  • Complies with Modbus Conformance Class 2
  • Compatible with NI LabVIEW Real-Time Module
  • Functions as master and slave

The NI Modbus Library for LabVIEW is a free, downloadable set of VI function blocks that provide Modbus communication from any standard Ethernet or serial port. It implements the Modbus protocol in software and offers both master and slave functionality. Using the Modbus library, programmable automation controllers can communicate with gateway devices that connect to a wide variety of industrial networks, such as PROFIBUS, EthernetIP, and DeviceNet.

National Instruments ships the NI LabVIEW Datalogging and Supervisory Control and LabVIEW Real-Time modules with I/O servers that add easy-to-use Modbus TCP and serial variables.