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3.3
Display and Buttons
This product uses large-screen WVA multi-line LCD to provide visual and various display. The screen is pro-
vided with white backlight, enabling clear display in dark environment. Specific data information can be ob-
tained through display with button operation. For details, see Chapter Operation and Display.
3.4
Communication
RS485 communication port is provided for parameter setting and reading of various data. For specific
description, see Chapter Communication.
3.5
Permission and Security Management
1. This product is provided with programming permission management function. Three-level password protec-
tion is applied:
• L0 password: used for setting all parameters and modifying L0, L2 and L4 passwords;
• L2 password: used for setting all parameters and modifying L2 and L4 passwords;
• L4 password: used for parameter setting and modifying L4 password, not for clearing extreme values and
PT/CT ratio setting.
• All level default PASSWORD is "000000"
2. Parameter setting is available only when this product is in programmable mode. Steps for entering
programming mode: press "
password and press "
programmable mode, programmable mode status indicator appears on the bottom right corner of LCD.
Programmable mode will remain valid in 10 minutes after program button is pressed and become invalid after
power down.
3. If incorrect password is used to set this product continuously (including communication setting and button
programming) up to specific number of times (factory default 5 times), parameter setting function will be
locked (factory default 60 minutes). Error count will be reset after setting once using correct password if such
count is less than specific limit. Error count of password and lock time can be set (available in factory state)
SICAM P30 P31 P32, 3-phase Current Power Meter, User Manual
E50417-H8940-C561- , Release Date
" and "
" at the same time to enter "PASS" screen; input correct
" to enter "SET" screen and enable programmable mode. After entering
Functions
3.3 Display and Buttons
13
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