Hi Dedy,
The cFP-CB-1 just lets you attach signals to the backplane for routing to its corresponding cFP module.
You will need to tell us what cFP module you are using, an example of a Current input module is the cFP-AI111.
The manual for the module you are using (Current input or voltage/current input) will tell you how to wire up the cFP-CB-x (either the 1 or 3)
Regards
JamesC
NIUK and Ireland