AMETEK CTS AMP 200N series
Manual for Operation V 4.0.3 23 / 60
7.4 Framebus Interface Module
The framebus interface module with the following blocks:
Controller: Communication with the AutoWave generator
DC Source: DC source for the offset Out signal
Signalgenerator: Generator for the sine signal up to 500kHz. The signal can be shifted by a dc offset.
Switch: Switch module for switching the two input signals to the internal Amplifier or to the signal out
plug.
7.5 Amplifier
Linear precision amplifier for all kind of signals. The amplifier is controlled by a microprocessor with sophisticated
safety features and equipment. The amplifier is short-circuit proof.
The air cooled amplifier is located in the center of the AMP200N. Two storage capacitors are located on each
side of the amplifier module. A separate power unit delivers the necessary supply voltages for the amplifier
7.6 Measuring Board
The measuring module is designed with two different measuring inputs. The instrument is switchable to one of
these two inputs.
External measuring input for voltage or current transformer
This external measuring instrument can be selected depends the test application. The measurement is based on
a differential measuring between the Hi and Lo input.
Voltage measurement input
Two separate 4mm banana plugs
Voltage measurement max. 100V pk
Input impedance: 260 kΩ
The LED indicates the active measurement input.
Current transformer input
BNC plug for connection to a current transformer.
Max input voltage: 10V pk-pk
Range with 10mV/A : [1mA to 30A]
100mV/A [10mA to 300A]
Range setup in Autowave.control software
Input impedance: 400 kΩ
The LED indicates the active measurement input.
Specs: External differential input
Measuring range 1.5mV to 6.3A (effective)
Frequency range 10Hz to 250kHz
Accuracy < 5%
Attention: Before using external current clamp make sure that the dc offset is adjusted to zero.
This can be done with a scope measurement.
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