GE D400 Hardware User Manual page 78

Substation gateway
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POWER CONNECTIONS
To connect the power
source to the D400
78
1.
Remove the terminal block TB1 protective plastic cover.
2.
Connect power source as follows:
If your power supply is...
AC
DC
For proper connection, the recommended tool torque settings for power terminal
screws are 10.8 in-lb [1.22 Nm]. A Phillips (#1) screwdriver tip is recommended.
See the wiring diagrams in Table 22.
Table 22: Power Source Configurations
Power Source
Connection
Single External AC
Connected to SUPPLY1
Power Source
and SUPPLY2 input
terminals.
Single External DC
Connected to SUPPLY1
Power Source
and SUPPLY2 input
terminals.
Two External AC
First source connected
Power Sources
to SUPPLY1 terminals.
with Optional
Second source
Redundant D400
connected to SUPPLY2
AC/DC Power
terminals.
Supply
then...
Connect the AC line connection to the L connection point(s) and
the AC neutral connection to the N connection point(s) on
terminal block TB1
Connect the DC power supply, observing the correct polarity, to
the +VDC and −VDC connection point(s) on terminal block TB1
Wiring Diagram
AC Power Source
DC Power Source
AC Power Source #1
AC Power Source #2
GENERAL
D400 SUBSTATION GATEWAY USER'S MANUAL
CHAPTER 5: POWERING UP THE D400
Supply 1
Supply 2
L
N
GND
Supply 1
Supply 2
+
-
Supply 1
Supply 2
L
N
GND
GND
L
N

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