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修改时间 11-12-2014 02:06 AM
PCI6733控制卡如何在DQAmx中实现AO和DO的同步输出?我查看了路由表,没找到DO start trigger端子,怎么让他们同步触发呢?当把AO START trigger作为DO Start trigger的源时,出错显示不支持该属性,什么原因?谢谢!
修改时间 11-26-2014 12:26 AM
6733的AO sample clock可以路由到DO sample clock上面,也就是说,只要将DO的sample clock源设定为AO sample clock即可,至于DO start trigger,对于M系列板卡确实是没有这个接线端的,对于DI DO和AI AO的同步,也不需要设置start trigger,因为DO的sample clock路由到AO sample clk,当AO sample clk被驱动后,自然DO sample clk也被驱动,所以程序中DO不用设定start trigger,作为从任务先开始DO,然后开始AO任务即可。
详细可以参考M系列板卡user manual中DIO一章
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