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User Manual
4.1.3 Status Indicator Lights
Five yellow LED status indicators are located on the left hand side of the keyboard/display panel.
These LED's correspond to the following conditions:
Hi Range
Overtemp
Overcurrent
Remote
Output
øA, øB, øC
1
Note: When using the iXCGui Windows program with USB, RS232 or LAN interface, the local function is disabled. See
programming manual for user application programming.
California Instruments
The Hi Range LED is on when the high voltage output range has
been selected.
The Overtemp LED indicates an overheating problem inside the unit.
This is an abnormal condition, which will cause the unit to shut off.
Check the air openings to make sure they are not blocked.
The Overcurrent LED indicates an output current that exceeds the
programmed setting. This condition can be controlled by setting the
current limit value in the PROGRAM menu. Removing the load using
the OUTPUT ON/OFF button will recover from an overload condition
when in CV mode.
The
Remote LED indicates
the IEEE-488 interface is used, this indicator will be lit whenever th
ATN line (Attention) line for the GPIB address set is asserted by the
IEEE controller. If the RS232, USB or LAN interface is used, the
REMOTE state can be enabled by the controller using the
SYST:REM command. Any time the Remote LED is lit, the front
panel of the power source is disabled. Note: The BACK button
doubles as a GOTO LOCAL button (LOCAL) while
remote state. This allows the user to reg
The LOCAL button can be disabled by sending a Local Lockout bus
1
command
. This prevents unauthorized changes of settings in ATE
applications.
The Output LED indicates the output relay status. If the LED is o
the output relay is open. If the LED is on, the output relay is closed
The Phase LEDs indicate the phase selection in effect. For setup
screens, phase selection is either one individual
(coupled). For the measurements screen, selection of all phases wil
default to displaying measurement data for phase A only. If the
2253i/iX has the –MODE option and is in single-phase mode, the
phase A LED is always lit and the PHASE button has no effect.
that the unit is in remote control mode. If
ain control of the front panel.
phase or all phases
2253i / 2253iX
e
the unit is in
ff,
.
l
50
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