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如何把VISA Reads和Writes的异步(asynchronous)改为同步(synchronous)?



主要软件: LabVIEW Development Systems>>LabVIEW Base Development System
主要软件版本: 8.0
主要软件修正版本: N/A
次要软件: Driver Software>>NI-VISA, Driver Software>>NI-VISA

问题:
如何把VISA Reads和Writes的异步(asynchronous)改为同步(synchronous)?

解答:
在LabVIEW中右键点击VISA VI,选择Do I/O Synchronously。VISA图标里的手表图案就会消失。默认情况下,手表图案出现,表示异步操作。

关于同步和异步的详细描述,参见KB 3D9B8E4B

相关链接:
KnowledgeBase 3D9B8E4B: The Effect of Asynchronous vs Synchronous VISA Write and Read Functions

附件:





报告日期: 10/30/2006
最近更新: 11/05/2006
文档编号: 0W1EHK0Z