I Am Unsure How to Wire the BNC-2121

Updated May 3, 2018

Reported In

Hardware

  • BNC-2121
  • BNC-2110
  • BNC-2120
  • PCIe-6612

Issue Details

I have a BNC-2121 breakout board connected to a PCIe-6612. I want to use it to receive a starting trigger and then output pulse signals (generated by the counters) on five lines. They pulse signals shall be connected to five BNC sockets to cable them to other devices. So I’m just unsure how to wire these. Can you provide an example wiring scheme?

Solution

The BNC-2121 has eight BNC connectors in the section labeled 14 that are directly linked to the output lines of the counters 0 and 1 of the device it is connected to, e.g. a PCIe-6612.

There are six more BNC connectors in the section labeled 15 that are wired to the spring terminal to their left (labeled 16). You can use this spring terminal to wire these BNC connectors to any PFI line of the PCIe-6612 that ends on one of the spring terminals above.



The output signals of the eight programmable counters are been output to the corresponding OUT0, OUT1, ... OUT7 line. Lines OUT0 and OUT1 are already accessibly via a BNC connector each in the section labeled 14 in the image above.

Lines OUT2 to OUT7 end on the big spring terminal on the top left of the BNC-2121. Hard-wire them to the USER 1 ... USER 6 spring terminals to connect them to the corresponding USER BNC connectors.

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