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Tripp Lite by Eaton SmartOnline Series User Guide 614-21325—Rev 01 25
!
IMPORTANT
Warning Signal inputs have no function by default. Please choose a function through the LCD (COM SETTING-
>REMOTE ON/OFF, REMOTE PWR OFF, INPUT DB9-4).
See below 2 examples of configuration with RPO terminal used as RPO function and ROO terminal use as
ROO function:
Remote Power Off (RPO)
RPO is used to shutdown the UPS remotely when the contact is open. This feature can be used for shutting
down the load and the UPS by thermal relay, for instance in the event of room over temperature. When RPO is
activated, the UPS shuts down the output and all its power converters immediately. The UPS remains on to
alarm the fault. The RPO circuit is an IEC 60950 safety extra low voltage (SELV) circuit. This circuit must be
separated from any hazardous voltage circuits by reinforced insulation.
• The RPO must not be connected to any utility connected circuits. Reinforced insulation to the utility is
required. The RPO switch must be a dedicated latching-type switch not tied into any other circuit. The RPO
signal must remain active for at least 250 ms for proper operation.
• To ensure the UPS stops supplying power to the load during any mode of operation, the input power must
be disconnected from the UPS when the Remote Power Off function is activated.
Leave the RPO connector installed in the RPO port on the UPS even if the RPO function is not needed.
RPO connections:
RPO Comments
Connector type Terminal, 14 AWG maximum wires
External breaker specification 60 V DC/30V AC 20mA max
RPO
ROO
Remote On/Off (ROO)
• Remote On/Off allows remote action of button to switch On/Off the UPS.
• When contact changes from open to closed, the UPS is switched-on (or stays On).
• When contact changes from closed to open, the UPS is switched-off (or stays Off).
• On/Off control via button has priority over the remote control.
RPO Comments
Connector type Terminal, 14 AWG maximum wires
External breaker specification 60 V DC/30V AC 20mA max
Remote Control Functions
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