User Manual – Rev BE AMETEK Programmable Power
MX Series 161
1) Select the PROGRAM 1 screen by pressing the PROG key and
position the cursor on either the Voltage or Frequency setting
field.
2) Select the MEASUREMENT 1 screen by pressing the MEAS key.
A small arrow will be showing in front of either the Voltage or
Frequency measurement readout.
3) The shuttle knob can now be used to increment or decrement
the selected parameter.
If three-phase mode is selected in the MEASUREMENT 1 screen, slewing the
knob while the voltage is selected will change the output voltage on all three
phases. If only one phase is selected, only the output of the selected phase will
be affected.
4.3.5 Changing Voltage Output Modes
The MX Series supports AC mode, DC mode and AC+DC mode (-3Pi only). The
voltage mode can be selected from the PROGRAM 2 screen, VOLT MODE field.
The shuttle or +/- key will toggle between available modes. It is recommended
to set the initialization settings to the required operating mode so the unit
powers up in the correct voltage mode
1
. If not, the mode must be selected
before applying output power to prevent applying to wrong type of voltage.
4.4 Waveform Management [3Pi Controller only]
The MX Series with 3Pi controller employs independent arbitrary waveform
generators for each phase. This allows the user to create custom waveforms. In
addition, three standard waveforms are always available. This chapter covers
issues that relate to defining, downloading, and managing custom waveforms.
4.4.1 Standard Waveforms
For most AC applications, a sine wave shape is used. The sine wave is one of
the standard waveforms provided on all MX Series models. This standard sine
wave is always available and is the default waveform at power-on. On MX
models with the 3Pi controller, two more standard waveforms are available,
square, and clipped.
1
If the mode is changed after power up and after the output relay is closed for the first time after power up, the measurement offset
calibration may not be correct. A phase mode change (-3Pi only) may be used to recalibrate the measurement offset.
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