Model 190 Installation, Technical and Operation
8400-M022-O1 Rev J
18.2 Onboard Status/Diagnostic LED’s
The 190-DAC option card contains four (4) LED’s indicate run time
status and errors to the user.
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.
IOUT Fault – Current loop is open
circuit or insufficient
power supply voltage to
drive load.
Over Temp – DAC core temperature
has exceeded limit.
Blinks each time Sample is received
Heartbeat monitor that blinks each
time through main line routine
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