8400-M022-O1 Rev K Model 190 Indicator
Onboard Status/Diagnostic LED’s
The 190-DAC option card contains four (4) LEDs to indicate run time status and errors to the
user.
D1 DC/DC Power Voltage is in tolerance 9V ± 5% and isolated DAC is
powered. NOTE: The DC/DC Power (D1) LED will be on
continuously when the DAC is powered.
D2 Fault IOUT Fault – Current loop is an open circuit or insufficient
power supply voltage to drive the load.
Over Temp – DAC core temperature has exceeded the
Blinks each time Sample is received
D4 Mainline Heartbeat monitor that blinks each time through mainline
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