AC Mains Fail signal is implemented by an Opto-isolated signal with a maximum sink current of 4mA. During normal operation the transistor is ON. When the
input voltage is lost or goes below 80Vac, the opto-transistor is turned OFF at least 10mS before loss of output regulation (at nominal voltage or below).
Temperature Alarm
Open collector signal indicating that excessive temperature has been reached due to fan failure or operation beyond ratings. This signal is activated at least
10mS prior to system shutdown.
10mS
Fan Fail
Open collector signal indicating that at least one of the fans has failed. This does not cause power supply shutdown. The power supply will continue to oper-
ate until 10ms after the temperature alarm signal is generated.
*Fan
Fail, Temperature Fail and AC Fail signal figures above assume use of a pull up resistor to a signal voltage
Paralleling Xsolo’s
To achieve increased currents Xsolo products can be paralleled.
To connect in parallel the outputs must be trimmed to within 5mV of each other and then
the current share header J20 must be added to each Xsolo product.
J20 (Attach jumper here)
3
Recommended Jumper for J20:
HARWIN M7567-05
(Jumper Socket, Black, 2.54mm, 2-way)
Output Signal Connector J5
Xsolo
Single Output Power Supply
500W
- 1000W
Section 5.2
Xsolo Derating Curves
Contact Excelsys for information on power rating with system fans and airflow.
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