SMC Networks PTE-100-C User Manual

PTE-100-C
25
AUXILIARY POWER
Auxiliary power is commonly intended to energize the devices under test, or
to polarize electrical reference components, rather than for actual injection
of test magnitudes. Auxiliary electronics are not dimensioned nor calculated
for big power values. The PTE-100-C features two auxiliary voltage outputs:
one variable 0-250 VDC (Out 3) and one fixed 110 VAC voltage (Out 4).
The most important differences between these outputs and the test outputs
(current taps, voltage output 1, and voltage output 2) are:
 Out 3 and Out 4 are completely independent from each other and
from the power current and voltage Out 1 and Out 2 taps.
 Out 3 and Out 4 are not automatically shut off during the test pro-
cedure.
 Timer operation is not directly affected by these auxiliary outputs.
Out 3 variable DC auxiliary supply
Out 3 is a variable 0-250 V stabilized DC supply. This means that its output
level greatly withstands fluctuations at the mains supply and at the power
outputs. Out 3 is protected by a dedicated fuse and an electronic protection
against short circuits and overloads. Before connecting any device to Out 3,
do the following:
1. Press and hold until you hear a beep. The green
LED under its small regulation knob will lit. This will bind
Display #2 to this output.
2. Turn the small regulation knob all the way counter clock-
wise to set it to the minimum position.
3. Activate Out 3’s output pressing briefly. The asso-
ciated red LED will lit.
4. Adjust the required DC voltage level shown in Display #2
and set the output back off pressing again.
5. Connect the device to be energized to the black (-)/red
(+) taps according to the device’s polarity and restore the
output pressing again.
ON
ON
ON
Out 3
USER’S MANUAL
26
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 usually 110 VAC and
is protected 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 works essential-
ly.
Out 3

SMC Networks PTE-100-C Specifications

General

Brand	SMC Networks
Model	PTE-100-C
Category	Test Equipment
Language	English