4.1.1 Status Indicator Lights
Ten LED status indicators are located directly above the right hand side 7 segment LED
display. These LED‟s correspond to the following conditions:
REMOTE
The REMOTE LED indicates that the unit is in remote
control mode. If the RS232C 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 RP Series unit is disabled. There is no
LOCAL button that allows the user to regain control of the
front panel. The SYST:LOC command will enable the front
panel controls. When using the GPIB, the remote/local
state is controlled by the REN (Remote Enable) interface
line.
FAULT
The FAULT LED indicates an overtemperature condition.
Overtemperature is usually caused by poor air flow. Check
the air flow exhaust at the rear of the unit to make sure it is
not obstructed. If the power source is configured for
constant voltage, the indicator will illuminate for loss of
sense lines or an overcurrent condition.
OUTPUT
The OUTPUT LED indicates the status of the output relay.
The output relay is controlled by the OUTPUT button located
directly below the LED. When the OUTPUT LED is not lit,
the output voltage is not present at the output terminal strip
regardless of the voltage setting.
RANGE - HIGH
The RANGE HIGH LED indicates the selected output
voltage range. When it is illuminated it indicates the high
voltage range has been programmed. Any time the user
switches voltage ranges, the output is programmed to zero
volts. The output relay state is not changed however.
RANGE - AUTO
The RANGE AUTO LED indicates the 2003RP is in auto
ranging mode and will switch voltage range automatically if
the selected output voltage increments or decrements
through the low range voltage limit. (135 V
RMS
on standard
units). During a range change, the output voltage will be
programmed to zero momentarily. Some hysteresis is
provided. See Figure 4-2.
FREQ
Illuminates when the 7 segment LED display shows the
programmed frequency. In the calibration mode this
indicator is not illuminated for calibrating the output voltage.
When it is illuminated in the calibration mode the voltage
measurement can be calibrated.
I RMS
Illuminates when the 7 segment LED display shows the
programmed current limit, measured current values, or
current measurement calibration.
I PK
Illuminates when the 7 segment LED display shows the
measured peak current or peak current calibration. See
Note.
PWR
Illuminates when the 7 segment LED display shows the
measured power or power calibration. See Note.
Содержание 2003RP
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