Operations introduction
Copyright © Itech Electronic Co., Ltd. 53
testing parameters. All the parameters are saved in the nonvolatile memory,
won’t lose even in power down state. You can use SAVE key to save
parameters, press RECALL key to fast recall.
Save and recall operations
⚫ After setting the parameters, press key to save, press number 9,
press to confirm
Save Group
0
⚫ Press key , press , to recall the saved data
Recall Group
0
4.13 Automatic test function
IT8700 series electronic load has a very strong automatic test function. The
automatic test function is useful for simulating various tests and allows the user
to edit up to 10 groups of testing files. It helps engineers to test out all kinds of
data of the tested power supply at different loading status. Automatic test
function can edit multiple product tests, such as CC, no-load, short-circuit, CV,
so it can finish all test by one time. It makes tests convenient and fast, and
ensures high efficiency and testing accuracy.
Edit testing files
1. Power on the electronic load
2. Press + key to enter the menu
Run Program
Recall Prog
Edit Program
Exit
3. Press key to move menu to ﹥EDIT PROGRAM to edit testing files
4. Press key to enter the next menu.
Take example of IT8702, IT8702 can be max extended to be 16 channels,
0 represent the number of IT8702 main frame, 1 stands for the number of
the extended main frame. □7 □5 □3 □1 indicate 1/3/5/7 channels have
been equipped with loads, next to the main frame is channel 1, the others
followed are numbered in order. Press numeric keys to select the channel
to be tested, □7□5□3□1changes to □7□Y□Y□1，it stands for 3/5 is selected
to be edited. Press to confirm.
Active Channel
0：□□□□□□□□
1：□7 □5 □3 □ 1
5. Select the steps needed to test, if you want to test 4 steps, please press in
order 1/2/3/4, 0 stands for the tenth step. If you want to cancel a step,
press again the numeric keys you want to cancel. Press to confirm。
Active SEQ.
0 9 8 7 6 5 Y Y Y Y
6. In the 4 steps, if you want to suspend, e.g. you want to suspend step 2,
press numeric key 2, press to confirm
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