What company conceived the Modbus protocol, which was introduced in 1979?

Answer

Modicon

The communication protocol known as Modbus was conceived by Modicon, a company recognized for its early automation technology, which subsequently became a part of Schneider Electric. The introduction year cited for this protocol was 1979. It was initially developed as an internal method for Modicon's own programmable logic controllers (PLCs) to communicate with other equipment before it was made publicly available as a non-proprietary standard, ensuring wide industry adoption.

What company conceived the Modbus protocol, which was introduced in 1979?
inventioncommunicationautomationprotocolModbus