ABB NE870 - Power Connection

3BSE08315916
Section 2 Interface specications
Figure 4. In/Out Directions Description
Power Connection
NE870 supports redundant power connection. The positive inputs are +DC1 and
+DC2, the negative input for both supplies are –COM. Connect the primary voltage
(e.g. +24 VDC) to the +DC1 pin and return to one of the –COM pins on the power
input.
Console
Position Direction Description
1 In/Out BI_DA+
2 In/Out BI_DA–
3 In/Out BI_DB+
4 In/Out BI_DC+
5 In/Out BI_DC–
6 In/Out BI_DB–
7 In/Out BI_DD+
8 In/Out BI_DD–
Shield In/Out Connected to PE
Position Direction Description
1 Out VBUS
2 In/Out D–
3 In/Out D+
4 Out GND
Shield In/Out Connected to PE