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self-examination program to simulate insulation faults and system errors. The 5 LED lights are on at
the same time, and the relay is closed. The self-check results will be displayed after 2S or so to check
whether the alarm and other functions of the instrument is normal.
7.4.2 Parameter setting
(1) Enter the menu
Under normal operation, enter the password input page by pressing the
key. Set the size of number
by "Up" and "Down", press "
" to enter the menu after inputting the correct password. Otherwise, the
password error will be displayed and automatically returned after 1s.
(2) LCD Settings
After entering the menu, select "LCD Settings" and press "Up" and "Down" to adjust the LCD
contrast (long press is supported). You can adjust the LCD backlight time. After the modification is
complete, press the "Back" key to exit. At this time, you can choose whether to save the setting and
press Enter to confirm and exit.
(3) Security Settings
Enter the menu and select "Security Settings". Press "Up" and "Down" to adjust the warning and
alarm values (long press is supported). Press The Back key to exit. At this time, you can choose
whether to save the settings. Press Enter to confirm and exit. (The default alarm value is 38K and the
early warning value is 60K)
(4) Communication Settings
After entering the menu, select Communication Settings and press Up or Down to adjust system
communication parameters (hold down is supported). Press The Back key to exit. At this time, you can
choose whether to save the settings. Press Enter to confirm and exit. (The default communication
address is 1 and baud rate is 9600).
(5) Setting of other information
The insulation monitor also provides the functions of Clearing Records, Password Setting, Software
Information, and Capacitor Setting. The settings of these parameters are similar to those described in
the preceding steps.
