8.9.3 Self-test Item Description
Supply voltage detection
System Power Detection
Loop supply voltage /voltage
measurement self-test
Current Output/Current
Measurement Self test -4mA
Supply voltage: 6V ~ 10V
a.3.3V Voltage: 3.2V ~ 3.4V
b 5V Voltage: 4.8V ~ 5.2V
.
22V~25V
3.9mA~4.1mA
a If the power is supplied only by
.
the battery, the displayed voltage
will be the battery voltage
b If you insert the power adapter,
.
the displayed voltage will be the
adapter voltage
_
If the range is exceeded additional
troubleshooting or calibration may
be required.
If the range is exceeded
calibration is required.
Test Item
Interface Schematic
Range
Notes
16
