6-20 External Triggering (Model 2306-VS Only)
Example 5. Voltage step only on channel 1
Model 2306-VS configuration using channel 1 for voltage stepping and normal functionality
on channel 2:
*RST ‘ reset the 2306-VS
:VOLT 0 ‘ set the voltage
:CURR 1.75 ‘ set the current limit
:SENS:FUNC 'VOLT' ‘ select the voltage functionality
:TRIG:EXT:BOTH NONE ‘ select channel 1 to only affect channel 1
:TRIG:EXT:STEP 1,1,1 ‘ step 1 voltage is 1 with 1 second delay
:TRIG:EXT:STEP 2,2,2 ‘ step 2 voltage is 2 with 2 second delay
:TRIG:EXT:STEP 3,3,1 ‘ step 3 voltage is 3 with 1 second delay
:TRIG:EXT:STEP 4,4,2 ‘ step 4 voltage is 4 with 2 second delay
:TRIG:EXT:STEP 5,5,1 ‘ step 5 voltage is 5 with 1 second delay
:TRIG:EXT:STEP 6,6,2 ‘ step 6 voltage is 6 with 2 second delay
:TRIG:EXT:STEP:READ NONE ‘ take no measurements while stepping voltage
:TRIG:EXT:STEP:VOLT ON ‘ enable voltage stepping
:TRIG:EXT:STEP:POIN 6 ‘ step voltage is 6 on channel 1
Loop:
:TRIG:EXT:ENAB ON ‘ enable voltage stepping on channel 1
monitor for trigger out on channel 1 - will pulse low for about 10us
generate trigger in pulses after detecting trigger out pulses on channel 1 -
trigger in detected on falling edge
after generating the 6th trigger in pulse, the list will cycle back to 1 and
repeat
generate trigger in pulses to cycle the list again or
:TRIG:EXT:ENAB OFF ‘ to make changes
after changes go back to Loop
NOTES Since only voltage stepping is used, the :TRIG:EXT:ENAB:INIT command is not
needed when the list reaches the 6th step point. When only voltage stepping is used,
the list will automatically loop back around to step 1 after completing the
TRIG:EXT:STEP:POIN step number.
If you are unable to monitor for trigger out pulses, allow sufficient time between
trig
ger in pulses to allow the unit to complete each step (see the specifications in
Appendix A for time guidelines).
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
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