USER’S MANUAL
28
5. Connect the device to be energized to the black (-)/red
(+) taps according to the device’s polarity and restore the
output pressing again.
6. Check the level again on Display #2 and readjust if re-
quired.
7. You can now press briefly again to re-assign Dis-
play #2 to its default current output reading. This will not
affect the voltage output from Out 3.
Out 4 fixed AC auxiliary supply
This 110 V fixed AC supply is often used to energize some relays and as a
phase reference for various test procedures. Out 4 is also used to supply
power to the PTE-FCN module installed in the equipment’s lid, and is pro-
tected by the fuse labeled "OUT 4".
110 V AC are present in Out 4 whenever the unit is switched ON
TESTING OPERATION TIME
Relay testing is usually as simple as simulating electrical fault conditions at
the relay’s input, assessing operation and measuring its operation time. This
takes an accurate timer that starts when the power output is initiated and
stops when the relay trips, i.e., its output contact closes. The power output
will be stopped automatically upon tripping, too, and the applied current or
voltage and resulting operation time will be displayed and hold by Display
#2 and Display #1 respectively. This is how the PTE-100-C PRO works
essentially.
Out 3
ON
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