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Inverter/Charger Installation
2–24 975-0239-01-01
AUX-RPO: User Remote Power Off (RPO)
Connecting JU-2 (AUX-RPO) and JU-3 (AUX-COM) terminals together through an
external switch (normal open contact) will provide the system shut off function if the
switch is closed.
The external switch if pressed overrides the control provided from the front panel.
If the external switch is cleared (not pressed), the system can be enabled back from the
front panel.
Select an external switch with normal open contact; consult your local system designer or
qualified technician for specific installation instructions.
User Line Wiring
Use twisted pairs of #24 AWG to #12 AWG for connections. Carefully route the wires
away from high power load cables to minimize noise effects on signal integrity.
AUX Port Terminal Assignments
Table 2-11
User Connector Terminals and Functions
Pin Reference Name Function
JU-1 AUX+12V +12 V User Voltage
Supply
+12 Vdc Voltage source: 0.25 Adc maximum
JU-2 AUX-RPO Remote Power Off Remote Power Off Logic Level: Active Low.
Connecting this signal shuts down system
operation.
JU-3 AUX-COM Common Ground
Reference
Return Common Ground Reference for 12V,
Remote Power Off signals.
JU-4 Not Operational Not Operational Not Operational
JU-5 Not Operational Not Operational Not Operational