comfilehmi:hmieditor_susik:index
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comfilehmi:hmieditor_susik:index [2023/04/07 12:46] COMFILE Technology [Example] |
comfilehmi:hmieditor_susik:index [2024/02/01 13:27] (current) COMFILE Technology |
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| - | ====== Variables and Expressions====== | + | ====== Internal Variables and Expressions====== |
| - | ===== Variables ===== | + | ===== Internal Variables ===== |
| - | In the ComfileHMI, a //variable// refers to a named location in the ComfileHMI hardware's memory. | + | In the ComfileHMI, a //Internal variable// refers to a named location in the ComfileHMI hardware's memory. |
| - | If a variable is used without first being declared, it will be implicitly declared and available for use immediately. | + | {{ :comfilehmi:hmieditor_susik:hmiandplc2.png?nolink |}} |
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| + | If a Internal variable is used without first being declared, it will be implicitly declared and available for use immediately. | ||
| * All variables are global, so **they must be given unique names**, and can be used on any screen. | * All variables are global, so **they must be given unique names**, and can be used on any screen. | ||
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| * //Motor Status// is invalid because it contains a space | * //Motor Status// is invalid because it contains a space | ||
| - | A list of variables in use can be obtained from the ComfileHMI Editor's main menu: //Project//->//View Addresses and Variables in Use//. | + | A list of variables in use can be obtained from Comfile Studio's main menu: //Project//->//View Addresses and Variables in Use//. |
| ==== String Variables ==== | ==== String Variables ==== | ||
| - | String variables were added in a subsequent version of the ComfileHMI Editor software. They are declared and used with ''$'' prefix. For example <html><code>$a="hello"</code></html>. | + | String variables were added in a subsequent version of Comfile Studio. They are declared and used with a ''$'' prefix. For example <html><code>$a="hello"</code></html>. |
| ===== Internal Memory ===== | ===== Internal Memory ===== | ||
| Internal memory is a specific memory region in the ComfileHMI hardware. It is volatile, so it will be erased when the ComfileHMI hardware is powered off. | Internal memory is a specific memory region in the ComfileHMI hardware. It is volatile, so it will be erased when the ComfileHMI hardware is powered off. | ||
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| + | {{ :comfilehmi:hmieditor_susik:arrayexplain2.png?nolink |}} | ||
| There are 1024 memory locations (indexed 0~1023) that can be written and read to. They can store 64-bit integers and double-precision floating point values. | There are 1024 memory locations (indexed 0~1023) that can be written and read to. They can store 64-bit integers and double-precision floating point values. | ||
comfilehmi/hmieditor_susik/index.1680839190.txt.gz · Last modified: 2023/04/07 12:46 by COMFILE Technology