Modbus communication card

March 2004 Fieldbus & Industrial Networking

Red Lion has combined Modbus Communication with its PAX series of panel meters. This enables a panel meter to be far more than just a local display. Display values, setpoints, and reset values stored within the PAX meter can be accessed via RS485 Modbus protocol. This capability, along with the wide range of inputs and features offered by the PAX Series, provides a powerful solution for industrial panel meter networking applications.

The RS485 Modbus card is capable of transmitting in either the RTU or ASCII modes. Communications set-up is easy, with two banks of DIP-switches located on the plug-in board, these allow programming of the address, data format and baud rates up to 38,4 k.

The PAX series offers inputs for both analog and digital applications. The analog inputs include voltage, current, process, resistance, temperature, and strain gauge, while the digital inputs cover count and rate applications. The Modbus card allows these parameters to be monitored at the machine as well as transmitted for higher level monitoring and process control.

For more information contact Trevor Vine, Micropower Instumentation, 011 462 1106, [email protected], www.micropower.co.za

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