User Manual – Rev BE AMETEK Programmable Power
MX Series 115
CLOCK MODE Selects internal or external clock source. The MX Series
controller uses an open-air crystal time base with an
accuracy of 100 ppm. To improve output frequency
stability and accuracy, an external clock generator may
be used.
VOLT MODE The MX Series offers three output modes, AC, DC, and
AC+DC. The VOLT MODE field can be used to toggle
between these three output modes. Both the Knob and
the +/- key may be used to toggle through these three
selections. In DC mode, no frequency selection is
possible, and all maximum current and power ratings
are divided by two.
DC OFFSET When the AC+DC mode is selected, the VOLTAGE field
in the PROGRAM 1 screen is used to set the AC portion
of the output voltage. The DC OFFSET field in the
PROGRAM 2 screen can be used to set the DC offset
level. Either the knob or the decimal keypad may be
used to set the DC offset level.
START ø Selects the start phase angle for output changes made
to either voltage or frequency. This allows changing the
output at a specific phase angle. The output on key
also uses this phase angle setting to program the
output voltage up to the set level after the output relay
is closed. The default value for this field is RANDOM.
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