Ransburg MicroPak Controller A11789 - Manual (Page 8)

INTRODUCTION
GENERAL DESCRIPTION
The MicroPak TM Controller, is used to provide
voltage to the cascade inside the Spray Gun As-
sembly.
The MicroPak Controller together with the Spray
Gun Assembly and it’s Low Voltage Cable is a
System. It is unique in that it contains a built-in
DC Power Supply and is capable of operating
either 1 or 2 MicroPak control units.
The MicroPak uses a combination of proven
high voltage generation technology including mi-
croprocessor-based control with diagnostic and
communication functions. The processor circuit-
ry provides the maximum in applicator transfer
efficiency.
SAFETY FEATURES
Voltage Control
The Over-Current setpoint can be monitored on
the μa Display by pressing the SET push-button
and holding for one second. It does provide a
hard shut-down if the output current exceeds the
setpoint. The kV setpoint is also displayed on the
kV display when the SET push-button is pressed
for one second.
DISPLAYS
The front panel displays for output voltage and
current indicate the true outputs from the cas-
cade or the tip voltage for indirect charge, and
waterborne applications. They are derived from
feedback signals in the low voltage cable be-
tween the controller and the cascade.
CURRENT CONTROL
The current setpoint limits the maximum current
that the cascade can produce. The voltage set-
point sets the maximum voltage the cascade
can produce. The MicroPak will first attempt to
achieve current output setpoint. If the voltage
setpoint is set low, then the voltage setpoint will
not allow the current setpoint to be achieved.
MicroPak Controller - Introduction
6
Ransburg
CP-06-01.1