请问USB-6000的PFI端口的TTL高电平是多少？

[hgl86]

请问数据采集卡卡USB-6000的PFI接口作为外触发，TTL高电平是多少？说明书上好像没有给出。默认是5V吗？

[ZYOng · Accepted solution]

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@hgl86 wrote:

What is the high level of TTL when the PFI interface of the data acquisition card USB-6000 is used as an external trigger? It doesn't seem to be given in the manual. Is it 5V by default?

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Duplicated with USB-6003 trigger TTL level