R&S QAR Series, Руководство пользователя

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R&S QAR Tour
R&S
®
QAR
12 User Manual 1178.7200.02 ─ 04
For more information about supplying the panel with power, see Chapter 4.4, "Switch-
ing the R&S QAR On and Off" , on page 27.
Circuit breaker
The main power switch contains an RCD (residual-current device) that protects the
internal power circuit of the R&S
QAR. If the RCD detects electrical anomalies, it will
switch off automatically the R&S QAR.
Protective ground connection
Depending on the voltage and frequency of the main power supply, you need to estab-
lish a protective ground connection.
●
200 V to 230 V AC and 50 Hz
No additional protective ground needed.
●
230 V to 240 V AC or a frequency greater than 50 Hz
Additional protective ground needed.
For the separate protective ground, you need a green/yellow ground wire with a
cross section of at least 4
mm
2
in addition to the main protective earthing terminal.
The ground wire must be connected permanently to the ground terminal on the
side of each R&S
QAR panel and earth.
The ground terminal is located on the back of the scanner. Connect the terminal to
the protective grounding system of the building or room where the scanner is
installed.
If the voltage drops to 70
% for 500 ms, a reboot occurs
Figure 3-2: Ground bolt
Risk of electric shock
If the voltage is greater than 230 V or the frequency is greater than 50 Hz, the leakage
current of the R&S QAR can be above the limits and therefore cause an electric shock.
In that case, a protective ground connection must be established before connecting the
R&S
QAR to the main power supply.
3.2 Power Button
The power button is located on the back of the R&S QAR. Use it to switch the
R&S QAR on and off.
Power Button