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.
In a set of cases grouped under Obergefell v. Hodges, the high court ruled, 5-4, that states have to license same-sex marriages, as well as recognize same-sex marriages from other states. All four dissenting justices wrote dissents. Before the ruling, 13 states had same-sex marriage bans in place. The majority of the 37 states that recognized gay marriage did so as a result of federal court action. Those states' statuses had been in question with this ruling. The court could have instead upheld bans, which might have meant some of those states could have gone back to prohibiting gay marriage. Here's how the map of same-sex marriage laws will now change, as a result of this decision.