User Manual
2253i / 2253iX
AMETEK
California Instruments
25
2.5 Front Panel Controls, Indicators and Display
Controls:
Shuttle knob:
The rotating knob may be used to adjust settings while in the SET menu.
In all other menus, the shuttle may be used to change parameter values
and settings.
Up/down arrow keys:
A set of up and down arrow keys is used to move the cursor position in
all menus. This allows quick selection of the desired function or
parameter.
Function keys:
ON/OFF
key for output relay control.
PHASE
This key allows selection of an individual phase or all three
phases.
SET
key will show output voltage and frequency setting.
MEAS
key displays the measurement screens. Measure key will display
measurement values for selected phase or phase A if all three phases
are selected.
MENU
key selects main menu.
BACK
key is used to back up to previous screen or erase the last digit
entered. This key also serves as a “GOTO LOCAL” key when the unit is
in remote.
Keypad:
A numeric keypad contains numbers 0 through 9 as well as up and
down arrow keys, an
Enter
key, decimal point and polarity change (+/-)
key. The up and down arrow keys are used to move the cursor position
in all menus. This allows quick selection of the desired function or
parameter.
Indicators and Display:
Status indicators:
Status indicators inform the user of important power source conditions:
The
Hi Range
indicator is lit any time the unit is switched to the high
voltage range.
The
Overtemp
LED illuminates when internal heat sink temperatures
are too high.
The
Overcurrent
LED indicates that maximum programmed current limit
is being drawn at the output.
The
Remote/LAN
LED informs the user that the unit is under remote
control. During LAN operation it indicate that the unit has a valid IP. The
LAN LED will turn off if the LAN connection is broken, duplicate IP or
DHCP lease expires.
The
Output
indicator is on when the power source output relays are
closed.
The
Phase A, B, C
indicators illuminate when either phase A, B, C or all
3 phases are selected using the PHASE button.
LCD character display:
High contrast backlit LCD display. An adjustable viewing angle makes it
easy to read from all practical locations.
