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immediately switched to Off and the display screen will display LRV if the sense
terminals are overhang.
When the instrument is in sense protection state, you should check whether the
polarities are connected overhang or not firstly. If yes, you can reopen the input
after the polarities connect correctly.
4.12 Save and recall operation
The stored setting of all channels can be recalled, the stored parameters
includes working mode, voltage/ current value, slew rate, transient setting and
so on. It can save up to 101 groups of setting parameters. The 0
used as boot parameters. The 1
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
press
Save Group
Press
Recall Group
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
Run Program
Recall Prog
Edit
Exit
3.
Press
4.
Press
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
st
Enter
Enter
to confirm
0
9 9
Re call
Re call
key , press
, to recall the saved data
0
6 6
Shift
Shift
+
key to enter the menu
Program
▼ ▼
key to move menu to ﹥EDIT PROGRAM to edit testing files
Enter
Enter
key to enter the next menu.
Enter
Enter
to confirm.
Copyright © Itech Electronic Co., Ltd.
th
to 100
groups can be used as automatic
Save
Save
key to save, press number 9,
Operations introduction
th
group can be
59
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