ABB REL670 Installation And Commissioning Manual page 140

132
Control
Test
equipment
Figure 32: General test connection with three-phase voltage connected to the line side
REx670
U-Bus
U-Bus
N
U-Line
UL1
UL2
UL3
N
N
Chapter 11
Verifying settings by secondary
UMeasure
Ph/N
Ph/Ph
Input Phase
L1,L2,L3
L12,L23,L31
en05000480.vsd
injection