The finish on top along with the hardness of the wood and the thickness I feel from my samples all determine the quality of the floor and how long it will last but then again you have to compare the cost of sanding down a floor and refinishing it to replacing planks that cost less.
SMBus, defined by Intel in 1995, is a subset of IÂ²C, defining a stricter usage. One purpose of SMBus is to promote robustness and interoperability.
The TCP version of Modbus follows the OSI Network Reference Model; however the serial implementations of Modbus do not. Modbus/TCP defines the presentation and application layers in the OSI model. Modbus protocol is defined as a master/slave protocol, meaning a device operating as a master will poll one or more devices operating as a slave. This means a slave device cannot volunteer information; it must wait to be asked for it.