Tektronix Keithley 2268 Series, Справочное руководство

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Local Operation Series 2268 850 Watt DC Power Supplies Reference Manual
62 2268S-901-01 Rev. A / January 2015
RESETTING THE POWER SUPPLY
The reset is used to clear the parameters to the factory default values.
Soft Reset
The soft reset is used to set the parameters (see table below) to the
default values, but it does not reset the calibration constants
To perform a soft reset:
1. Turn the power supply to Off then On.
When the unit is powering on, is displayed on the output voltage and current
displays.
2. Press the key combination of both OUTPUT ENABLE Main button and OUTPUT
ENABLE Aux button and hold continuously for 3 seconds in order to execute.
If the flash fail alarm triggers, it is also possible to reset the power supply. The front
panel should display
.
3. Once a reset has been triggered, the output voltage display shows for 1
second.
The model number will be displayed for 1 second and then return to normal mode.
After executing a reset, the power supply's settings are restored to the default settings but
retain the calibration data. Following lists the default settings.
Parameter Setting
Address 1
Data rate (Kbps) 9.6
Communication mode RS-232
Vout setting 0 V
Iout setting 0 A
Output Off
AUX Out Off
Trigger Off
Ext. On/Off Polarity Negative
Auto start mode Off
AUX Auto start mode Off
OVP Maximum
UVP 0 V
Foldback trigger None
Foldback delay 0.5 s
Current Share Mode Controller
Alarm Output Latches 263 (0 x 107, all latches enabled)
Alarms Mask 2047 (0 x 7FF, all enabled)
Interlock Disabled
Voltage Analog Programming Off