ABB REF615 - Section 4: Using HMI Locally or via Web Interface; 4.1 Using LHMI; 4.1.1 LHMI Login and Logout

3.2.2 Connection diagrams
A071288 V4 EN
Figure 5: Connection diagram for configurations A and B (overcurrent and
directional earth-fault protection)
[1]
[1] Additional BIO-module (X110 in the diagram) is included in the IED variant B
1MRS756378 D Section 3
REF615 variants
REF615 31
Application Manual