Power Connection - ABB NE870 User Manual

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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.
16
Position
Direction
1
In/Out
2
In/Out
3
In/Out
4
In/Out
5
In/Out
6
In/Out
7
In/Out
8
In/Out
Shield
In/Out
Position
Direction
1
Out
2
In/Out
3
In/Out
4
Out
Shield
In/Out
Section 2 Interface specifications
Description
BI_DA+
BI_DA–
BI_DB+
BI_DC+
BI_DC–
BI_DB–
BI_DD+
BI_DD–
Connected to PE
Description
VBUS
D–
D+
GND
Connected to PE
3BSE083159

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