9
CONNECTIONS
OPERATING THE SC6540 WITH HYPOTULTRA (Continued)
OPERATION
Secondary Scanner Power
Once the SC6540 secondary is connected to the HypotULTRA, the “power on”
LED will light up as soon as the power switch of the HypotULTRA is turned on.
Main Scanner Power
The SC6540 main is powered on by flipping the switch on the rear panel of the
unit to the ON position. The SC6540 Scanner channels will activate when the
TEST signal is sent via a PC.
LED Indicators
During a test, individual LED indicators for each output indicate whether the
output is set as High, Low, or Open. If the channel is set as a High Voltage
Output or Continuity Current Output, the red LED will light up. If the channel is
set as Return, the green LED will light up. If the High Voltage channel is set to
Open, no LED will light up.
Once the SC6540 is incorporated into a test system, it will act as an extension of
the HypotULTRA. The outputs will only activate while a test is being performed
and will deactivate when the test is not running. When a failure is detected, the
test will stop, the output will be deactivated and the HypotULTRA will give a
visual and audible indication of failure. If steps were connected in sequence, the
HypotULTRA will indicate a failure once it reaches the output that is connected
to the defective device. The SC6540 will not continue to test the other outputs
until the RESET button is pressed, the defective item is removed, and the TEST
switch is pressed once again. The SC6540 will then begin to test from the rst
step in the program.
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