
Ethernet/IP parameters. This means that when switching
between Local and Remote modes, operating parameters
will typically change. Parameters which always change
are the ones passed as variables in the Ethernet/
IP Assemblies, e.g. KV Setpoint and Turbine Speed
Setpoint. Parameters which are set indirectly using the
Parameter Write function of the Assemblies, e.g Max
µA Limit, will use the Local Mode settings until they are
changed through the Ethernet/IP interface. Once one
of these parameters is changed using Ethernet/IP, the
MicroPak 2e will toggle between the Local and Remote
values at each mode change. This behavior will continue
until the next power cycle of the controller.
HV On / Off Switch
This is a return-to-center momentary toggle switch. It is
active only when the Local/Remote mode switch is set to
Local. It is used to enable and disable the High Voltage
output and to clear system faults. When the System Checks
and Current Status are OK, ipping the switch to the up
position (HV On) will enable High Voltage Output (see
“Figure 4 - Operator Interface” in this section). Flipping it
to the down position (HV Off) will disable the High Voltage
Output. If there is a system fault, ipping this switch to the
OFF position (also known as the Reset position) will reset
(clear) any faults currently detected by the system.
Atomizer On / Off Switch
This is a two position toggle switch. It is used to enable
and disable (i.e. start and stop) a congured atomizer
when in LOCAL mode. When the controller is in REMOTE
mode it is ignored.
LED’S
Power LED
If the Green Power LED is on, then the system power to
the controller is On.
HV Fault LED
The red HV Fault LED is lit when the system detects a
fault condition (see “Figure 4 - Operator Interface” in the
SWITCHES section). When operating in “Local Mode”,
it is cleared by ipping the HV On/Off switch to the OFF
(Reset) position. If the system is still in a fault condition, it
will immediately be lit as the system detects the fault.
SWITCHES
Power Switch
The rocker switch on the left and the LED directly above
it are for power On/Off selection and display. The green
LED is on when the power is On to the controller.
Local / Remote Switch
This is a two position toggle switch used to determine
if the Local (Front Panel) controls have priority or if the
Remote controls (Ethernet/IP Connection or Discrete
inputs) have priority. If the switch is up (Local Mode) the
Front Panel controls may change parameters, enable or
disable the high voltage, and clear faults. The Remote
Ethernet/IP connection may look at parameters and
values, but may not change them or enable/disable the
high voltage output. If the switch is down (Remote Mode)
the opposite is true except that the Front Panel switch
may be changed to local Mode at any time to disable the
Remote Controls and to enable the Local Controls.
Beginning with Software Version V1.1.00, when Ethernet/
IP is enabled the MicroPak 2e maintains Local Mode
parameters separate from the
Figure 4: Operator Interface
OPERATOR INTERFACE
The MicroPak 2e Controller shown in gure 4, has a
physically simple operator interface consisting of ve (5)
LED’s (Light Emitting Diodes), four (4) switches, seven (7)
buttons, and two four line twenty character (4 X 20) alpha/
numeric displays.
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EN HV Controller - INTRODUCTION