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.

Related Questions
What company conceived the Modbus protocol, which was introduced in 1979?What specific error checking mechanism does Modbus RTU employ for transmission integrity?How does Modbus ASCII encode data for transmission over serial lines?What is the access characteristic for Modbus 'Coils' register type?What fundamental element did Modbus TCP/IP eliminate the need for regarding error checking in serial communication?Why is Modbus ASCII transmission inherently less efficient than Modbus RTU?What is the definition and access type for 'Input Registers' in the Modbus data structure?What attribute of Modbus is considered the single biggest factor explaining its continued relevance despite its age?What critical limitation exists in the original Modbus specification concerning data security?What synchronization mechanism does Modbus RTU rely upon for message boundary definition?What is the purpose of consulting a 'device profile document' in modern Modbus deployments?