User Manual – Rev BE AMETEK Programmable Power
MX Series 197
• +/- 19 V to the System Interface board and power modules.
• + 9 V to the oscillator.
• + 24 V to all contactors and LV cooling fan.
• Isolated + 8 V for the GPIB/RS232 board.
Two green LED’s on the system interface board are lit when the ± 15 V and ±
19 V are in regulation. If an overload condition causes the output to drop more
than 10% or the output has failed, the corresponding LED will extinguish. This
feature is helpful in troubleshooting the unit. See Service section 6.
5.7 Power Module
Each MX chassis accommodates three power modules. These power modules are
in the center of the chassis and can be removed from the front after removing
the front cover. Each power modules is fully self-contained and forms a
complete AC to AC or AC to DC converter. The three power modules are
identical and can be interchanged if needed although this is not recommended
under normal use.
The power module is depicted in Figure 5-4.
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