6 Setting up and installation
24
connect the RJ45 socket on the backside of testo REXS to a free socket of the computer
network. Use a RJ45 Ethernet patch cable.
To supply the notebook with power, connect the plug of the notebook power supply unit to
the power socket located on the back panel of the notebook drawer.
PC software installation
Refer to the software manual in the Appendix.
Note:
The computer must meet the minimum requirements specified in Appendix
chapter 7.1, Specifications and technical data.
Warning:
The power socket provides mains voltage at a rated power of 120 VA. The
power socket is protected by a blow fuse F202. Ensure that the rated input
voltage and power consumption of the attached device meet the requirements.
Caution:
Dangerous voltage. The power socket provides mains voltage. Voltage may be
up to 240 VAC, depending on testo REXS supply voltage. Do not open or
damage the power socket or power cables attached. Never connect open,
uninsulated, ungrounded or defective devices to the notebook drawer power
socket.
Only use the notebook drawer power socket to supply the notebook computer.
Only use the power supply unit delivered with the notebo.
6.3.
Test Stand Preparation
Connect the aerosol outlet to appropriate tubing that leads the aerosol to the dilution
tunnel or the device under test (DUT). Use the bulkhead clamps and centering rings
delivered with testo REXS.
Keep the tubing as short as possible to prevent particle losses caused by diffusion and
coagulation.
Caution:
Do not restrict the aerosol flow out of the burner. The aerosol flow is mass flow
controlled. Restricting the aerosol flow, e.g. by closing a valve will result in
immediate back pressure raise. Always lead the aerosol through a bypass before
shutting off a tubing line.
6.4.
Operating Instructions
Putting testo REXS into operation
When testo REXS is connected to all gases, electric power and the test stand, it is ready
to run. Open the gas supplies and verify that the gas pressures are within the specified
range. Make sure that the internal and external emergency stops are released. Ensure the
test stand control does not provide a „RUN“ signal.
Then switch on the power switches located near the main power socket of testo REXS
and on the rear panel of the testo REXS control insert. The display on the frontside shows
alternately „INIT“ and „REXS“, then „Welcome to testo REXS“, and finally „IDLE“.
testo REXS is now ready to be started. Press the left button below the display (Burner
ON/OFF). You are asked „RUN?“. Confirm by pressing the left button again, abort by
pressing the right button.
When you have confirmed, testo
REXS runs the automatic start sequence. „WAIT“ is
displayed. As soon as the flame is ignited, the display shows „STBY“.
When the flame is not ignited after 5 ignition trials, testo REXS flushes the burner and
returns to „IDLE“ state.
To stop testo REXS when it is running, press the left button (Burner ON/OFF).
„STOPPING“ is displayed, followed by „RINSEING“ and finally „IDLE“.
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