Power On Status Signal; Hardware Malfunction Alarms - Xantrex Watt Series Programmable DC Power Supply XG 850 Operating Manual

Power On Status Signal

Power On Status signal indicates a fault condition in the power supply.
Power On Status signal is a TTL output signal at Pin J2.13 with reference
to COM_ISOLATED (Pin J2.2 or Pin J2.6).
During normal operation, the Power On Status signal will be high. If the
output is disabled for any reason, the Power On Status signal will go low.
The following conditions will set the Power On Status to a low level:
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Hardware Malfunction Alarms

The power supply will turn off the output. An error message will be
displayed in the event that:
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M370078-01
AC fail
Over Voltage protection (OVP)
Under Voltage Protection (UVP)
Over Current Protection (OCP)
Over Temperature protection (OTP)
Foldback protection
Interlock
Output Off
Shutdown activated (rear panel shutdown).
Internal hardware malfunction
Fan failure
OVP trips
Voltage deviation in CV mode reaches more than ±5% from the set
1
level.
Current deviation in CC mode reaches more than ±5% from the set
1
level.
1.These two forms of hardware malfunction are only monitored in the
corresponding APG mode.
Hardware Malfunction Alarms
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