Voltage Control Commands 
  Copyright ©ITECH Electronic Co., Ltd.  29 
Chapter8 Voltage Control Commands 
VOLTage 
{<volts>|MINimum|MAXimum|UP|DOWN|DEF} 
This order is used to set the output voltage. No matter what the voltage range 
you select currently, the output voltage is subject to the newest setting value. 
Besides, MIN and MAX can be used as parameters.MIN represents 0V,MAX 
represents the max value of the voltage range. You may send VOLT? MIN or 
VOLT? MAX orders to quire the minimum and maximum voltage within the 
range. DEF represents default value, it also can be used to set value. 
We can also send VOLT UP and VOLT DOWN orders to increase or decrease 
voltage, the stepping value should be set with order ” VOLTage:STEP”. If 
adjusted value has exceeded the voltage range, then error information will be 
return:error-222. 
Order syntax: 
[SOUR:]VOLTage[:LEVel][:IMMediate][:AMPLitude] <NRf> 
Parameters: 
MIN to MAX 
Unit: 
V 
*RST value: 
MIN 
Query syntax: 
VOLTage? [MINimum|MAXimum] 
Return parameters: 
<NR2> 
Example: 
VOLT:STEP 0.01              //set the stepping value to be 0.01V 
VOLT UP              //enable the output voltage increase one time 
VOLT:STEP 0.02       //set the stepping value to be0.02V 
VOLT DOWN          //enable the output value decrease one time 
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