怎么使用NI-Spy记录Profibus VISA的呼叫记录?
硬件: Industrial Communications>>Profibus
问题: 我怎么利用NI-Spy去观察和记录Profibus的通信记录?
解答: Profibus 利用了VISA的控制指令,所以NI-Spy可以检测VISA的控制信号来记录Profibus主设备和从设备之间的通信。Profibus完成通信是利用底层VISA寄存器级的控制指令实现的,所以如果你将捕捉VISA指令的选项设置为"enable",就可以通过NI-Spy捕捉Profibus的通信记录。
通过以下步骤配置NI-Spy:
- 打开NI-Spy;
- 选择Spy»Options;
- 打开 View Selection 按键;
- 在 Installed API Choices 窗口下,确认NI-VISA 被选中,如下图所示:

相关链接: KnowledgeBase 4IAAAAJL: Installing the Comsoft PROFIBUS Board I Purchased From NI
附件:
报告日期: 03/24/2009
最近更新: 07/30/2011
文档编号: 4VNGD80S
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