Power Profiler Kit II && nrf52840 dk

Hi, I want to measure current of PCA10056 for zigbee enddevice.

infocenter.nordicsemi.com/index.jsp

First, I cut SB40 bridge.

2. connect lines like a picture.

but, The power of DK doesn't turn on. and profiler measuring always convergence zero (very small value).

I tried connection of nRF USB for power. it works. but, the profiler always measured zero. 

I know PPK2 doens't dependent on H/W. Is it right? how can I measure DK?

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