GE D400 Substation Data Manager User Manual page 66

GE Energy
External Power Requirements
Before connecting an external power source to the D400, ensure that the following
external power requirements are met:
•
An IEC 61010 qualified primary disconnect device and over current protection not
exceeding 15 A must be externally provided in the AC/DC mains supply system.
•
All current carrying conductors must be switched, including neutral (for AC) and
negative (for DC).
•
Primary disconnect device must be rated for the proper voltages (AC and/or DC), as
well as inrush currents for the power supplies. See section "5.1 Power Supply
Options" for peak inrush current.
•
Protective earth conductor must be connected to the provided protective earth
terminal before any mains power conductors.
•
The primary disconnect device shall be in close proximity to the D400 equipment and
within easy reach of the operator.
•
The primary disconnect device shall be marked as the disconnecting device for the
D400 equipment.
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To connect the power source to the D400:
Remove the terminal block TB1 protective plastic cover.
1.
Connect power source as follows:
2.
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]
See also wiring diagrams below for different power configurations.
66
994-0089–1.00–2, General
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
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