GE Grid Solutions
994-0081-3.00-21 GE Information
Connecting DNP3 I/O modules (High Voltage)
For a High-Voltage (HV) DNP3 I/O Module, for example: WESTERM D20SZ (517-0249-ML):
1. Interconnect the DNP3 link cabling between each DNP3 I/O module.
2. Connect pins 1 and 2 (and also pins 3 and 4 if a redundant power supply is used) on
TB2 to an External Power Supply (40 to 150 VDC) as shown below:
Note: The location of the External (Ext) Power Supply terminal varies between WESTERM I/O module
types.