Veeco MPS-3000 CE, Technical Manual

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13
Module (7)
Selects the power supply that may have changes made to its parameters.
The MODULE switch is active in Manual or Local mode only. In Local
Restricted or Remote mode, the enunciators above the MODULE switch will
be dark.
Beam
The word BEAM appears above the MODULE switch indicating that
Beam power supply has been selected.
• Beam voltage may be adjusted in Manual, Local or Remote
mode.
• Beam current may be adjusted in Local or remote mode.
Accel
The letters ACCEL appear above the MODULE switch indicating that
Accelerator power supply has been selected.
• The accelerator voltage may be adjusted in Manual, Local or
Remote mode.
• The A/B Ratio may be adjusted in Manual, Local, or Remote
mode.
Discharge
The letters DISCHRG appear above the MODULE switch indicating that
Discharge power supply has been selected.
• MPS-3000 CE FC, PBN, and HC: The discharge current limit
may be selected and adjusted in Manual or Remote mode.
• MPS-3000 CE FC and PBN: The discharge voltage may be
selected and adjusted in Manual mode or may be adjusted
through a remote microprocessor.
• MPS-3000 CE HC: The discharge current may be selected
and adjusted only in Manual mode.
Cathode
The Cathode power supply is part of the MPS-3000 CE FC and PBN.
• The word CATHODE appears above the MODULE switch indi-
cating that Cathode power supply has been selected.
• Cathode filament current and current limit are adjustable in
Manual mode and through a computer.
The filament current may not be adjusted above the programmed current
limit value, and the limit value may not be adjusted below the target fila-
ment current.
NOTE