Keithley 2231A-30-3 Reference Manual

Contents

Keithley 2231A-30-3 Reference Manual Manual pdf 28 page image

Model 2231A Triple-channel DC Power Supply Reference Manual Section 3: General operation077100401/September 2014 3-56. Push Enter.The default settings for the menu selections are as shown below.Item DescriptionEnable ChannelsEnable CH1Enable CH2Enable CH3Max V CH1 OffMax V CH2 OffMax V CH3 OffTimer CH1 OffTimer CH2 OffTimer CH3 OffTrack CH1/CH2 Track OffCombine CH1+CH2 Combine OffOutput Recall OffSave Last OnButton beep OffKnob Lock OffEnable ChannelsYou can enable or disable each output channel using the menu settings. If a channel is disabled, it willremain off after the Output On/Off button is turned on. The default setting is to have all channelsenabled.Protection SettingsThe protection settings allow you to set the max voltage, the output timers and the front panel buttonlock for all of the channels.Set the maximum voltageThis control determines the maximum voltage that you can set using the V-set control. This can helpprevent accidental overvoltage from being applied to sensitive loads.To set the maximum voltage, follow these steps:1. Push Menu.2. Push the down arrow button to select Protection Settings.3. Push Enter. Max Volt Set should appear on the display.4. Push Enter. A list of Max V settings for each channel will appear.5. Use the up and down arrow keys to select the correct channel and push Enter to confirm.6. Push the down arrow button to select On.7. Use the numeric buttons or the up/down buttons or the rotary knob to adjust the voltage value.The value must be less than the rated voltage of the power supply.8. Push Enter.9. Push the Esc button to exit the menu.