How to Access PFI 15 on PCIe-6321 with BNC-2110 Terminal Block?

Updated Apr 22, 2026

Issue Details

I am working on counter-based pulse generation and observed the following behavior:

Pulse output from CTR 0 (PFI12) is working correctly. Pulse output from CTR 1 (PFI13) is also working correctly. Pulse output from CTR 2 (PFI14) is also working Additionally, PFI15 (CTR 3 default output) is not available in BNC 2110 Terminal Block.

Solution

As per the design of BNC-2110 - PFI 15 is not exposed directly as shown in the below image. So, you can access any of the other PFI lines programatically to use all counters together.

Image_2026-04-16_09-49-25.png

 

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