4.0: PSIM Schematic and Pin-out
The 5V power supply line from the network is isolated at the PSIM.
All modules before the PSIM are powered from the network. Example: Orbit Network Card.
All modules after the PSIM are powered from the external power supply connected via the PSIM. 0 V is common.
From External
Power Supply
PLUG Side
5 V from Orbit Network (no pins on connector)
SOCKET Side
5 V to Orbit
Network
0 V
0 V
RS485 
RS485
PSIM Schematic
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