YuMi support with PCSDK

Is the YuMi fully supported by the PCSDK?

When I read the axes of the YuMi using the following method I am only returned 6 axes (Rax_1 to Rax_6):

The YuMi has 7 axes per arm. If it is supported then how do I access the 7th axis?

Any help is welcome. Thanks.