(Table 4, contd)
Parameter Code Parameter Value
:02 0001
0002
0003
0004
:03 0004
0003
0002
:04 0100
0099
0100
0101
The operation of display (1) and keypad (5) is shown
in Table 4 . Pressing function key (2) toggles the
display between the two columns of the table
(parameter code and parameter value). The display
is in the parameter code mode when a colon is
present. If a colon is not present, the display is in
parameter value mode.
When you press scroll up key (3), the number that is
displayed will increase to the next higher number
within the column. When you press scroll down key
(4), the number that is displayed will decrease to the
next lower number within the column. The scroll keys
will not cause the display to change columns.
To configure a parameter code, follow the procedure
below:
1. To select the desired parameter code, press scroll
key (3) or scroll key (4).
2. Access the parameter value by pressing function
key (2).
3. Select the desired parameter value by pressing
scroll key (3) or (4).
4. Enter the selected value into the memory of the
digital voltage regulator, by pressing the function
key (2).
i06191154
Voltage Regulators
SMCS Code: 4467
Cat Digital Voltage Regulator (Cat
DVR)
The Cat Digital Voltage Regulator presents an
electrical shock/electrocution hazard. This
hazard will cause serious injury or death.
Service by trained personnel only.
The terminals and heat sinks are live at
hazardous voltages when power is applied and
for up to 8 minutes after power is removed.
Illustration 88 g03844029
The Cat DVR is a microprocessor-based voltage
regulator. Control power for the Cat DVR is supplied
from an external source of 24 VDC. The power stage
of the Cat DVR is supplied from a multiple pole high
frequency permanent magnet generator. The multiple
pole high frequency permanent magnet generator is
mounted on the end of the generator shaft.
Connections to the Cat DVR are made through three
connectors. The communication between the Cat
DVR and the service tool is accomplished by using a
CANBUS protocol.
The Cat DVR has the following features:
• Three control modes:
1. Automatic voltage regulation (AVR)
2. Power factor (PF) regulation
3. Reactive power (VAR) regulation
• Programmable stability settings
SEBU7125-13
79
Operation Section
Voltage Regulators
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