HMI stands for H uman M achine I nterface. This is the interface between the operator and the controller. The HMI is the controller operating panel. The panel comprises a numeric keypad and a LCD screen that displays text. The keypad is used to input data into the application, such as Timer values.The PLC's Display screen can show operator messages, variable information from the program and system information.HMI messages are created in the Display Editor.he keypad is used to input data into the application, such as Timer values. The PLC's Display screen can show operator messages, variable information from the program and system information. HMI messages are created in the Display Editor.
By the time that same-sex marriage became legal nationally, public opinion on the subject had reached almost 60% approval levels according to polls by The Wall Street Journal, the Human Rights Campaign, and CNN, having been consistently over 50% since 2010 and trending consistently upward over the years prior.
Portugal, Iceland and Argentina. In the following year (2010) three more countries legalized gay marriage: Portugal, Iceland and Argentina. Argentina became the first Latin American country in the world to legalize gay marriage.8. Ireland was the first country in the world to approve same-sex marriage by a referendum. Voters were asked whether to add to the Constitution that âmarriage may be contracted in accordance with law by two persons without distinction as to their sex.â The referendum took place on May 22nd 2015.