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(Figure 7-2), percentage (Figure 7-3), and main variable (Figure 7-4), and can be set to display a
single variable, or the percentage and main variable can be set to cycle through the display, and the
valid bits of the decimal part can be set (0, 1, 2, 3, and 4 decimal places). If the percentage and main
variable are cycled, the LCD will display these two variables alternately with a period of 3 seconds.
Figure 7-1 LCD Full Screen Display Figure 7-2 Current Display
Figure 7-3 Percentage Display Figure 7-2 Main Variable Display
7.1.2 Description of LCD display symbols
① If you are in HART communication, the symbol in the right corner of the LCD screen flashes
.
② 若处于开方输出，LCD 显示
。
③ If the fixed output current is set, the LCD will display
.
④ If write protection is enabled, the LCD will display
.
⑤ The three "888" displays in the lower left corner of the LCD indicate the temperature of the
electronic module and the menu number for configuration.
7.1.3 Description of key functions
The LCD panel has a total of three buttons, these three buttons are, the Enter key "←┘", the Down
key "↓", and the Up key "↑".
● The "↑" and "↓" keys are used to indicate the increase or decrease of data bits and the shift of
the decimal point.
● The "←┘" key is used to enter the prompt data setting screen and data saving.