====== Chart ====== The "Chart" is used for trending of one or more variables in the graph. This type of an object is supported only for the PLC webserver definition. The "Chart" object properties are: {{:en:mervis-ide:35-help:hmi_new_graphic_32.png}} * **Type** – graph draw mode (right now the only one available is line) * **Sample Rate** – variables sampling interval * **Duration** – chart timeline range * **Legend** – hide/show graph legend * **Chart Mappings** – new variables (series) adding, range editing and axes properties