AMETEK CTs NetWave
4.5.3. Source AC Mode
In Source AC Mode, the NetWave is used as a simple AC Source, while the output is synchronized to a
reference signal on the BNC Trigger IN 2. Reference Signals from 40 Hz to 100 Hz will be synchronized on the
output of the NetWave, if the reference signal is within 10% of the nominal frequency set on the NetWave.
The source AC mode is used when testing dips and
interruptions with a PFS 503Nxx.2 according IEC
61000-4-11 / -34.
The PFS 503N delivers the sync signal, generated
with a PLL from the mains frequency, to the 3-phase
NetWave, BNC input Trigger IN 2.
The LED of the Output is blinking, as long the Synchronization is working properly.
If there is a value selected outside the working range of Source AC Mode (40Hz – 100Hz), the Display shows
this ( ! ) symbol. If this symbol is displayed, the synchronization on the reference signal is no more working.
Reference Signal on BNC Trigger IN 2:
The Reference signal shall be a Rectangular Signal with an amplitude of:
Low = 0.0V / High = 2.5V – 5.0V
4.5.4. External Mode
In External Mode, the NetWave is used as an Amplifier for AC or DC signal.
The amplification factor is 50.91 on Peak or DC Value
The External Mode can only be selected locally on the unit through the front Panel of the NetWave.
Even in External mode, the parameter of a Mainline must be configured:
AC or DC Mode / Voltage / Frequency / Current Limiter and Sense mode
For Operate the unit in External mode, the Loop BNC-Cable between Signal Output and Source Input need to
be removed, and the External Arbitrary Signal Generator must be connected to Source Input (refer also to
Chapter 3.3 for 1 Phase System or Chapter 3.5 page 39 for 3 Phase System).
Reference Signal on BNC Source Input:
The Reference signal shall be within following limits:
Amplitude : max 10Vpp AC / ± 10V DC
Frequency: 10 Hz up to 5 kHz in AC Mode / DC up to 5 kHz in DC Mode
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