Remote terminal unit (rtu) with wireless diversity and related method

An apparatus comprising a remote terminal unit, the remote terminal unit comprising:

• at least one first interface configured to receive first data from multiple wireless field devices using multiple wireless communication protocols;
• at least one processing device configured to execute control logic in order to control at least part of an industrial process;
• and
• at least one second interface configured to communicate with a control system, the remote terminal unit configured to be at least partially controlled by the control system;
• wherein the at least one first interface is also configured to communicate second data to the wireless field devices using the multiple wireless communication protocols.

A non-transitory computer readable medium embodying a computer program, the computer program comprising computer readable program code for:

• receiving first data from multiple wireless field devices at a remote terminal unit using multiple wireless communication protocols;
• executing control logic at the remote terminal unit in order to control at least part of an industrial process;
• initiating communication of second data to the wireless field devices from the remote terminal unit using the multiple wireless communication protocols;
• and
• initiating communication at the remote terminal unit with a control system, the remote terminal unit configured to be at least partially controlled by the control system.