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DIFFERENTIAL PRESSURE TRANSMITTER - USER GUIDE
10. LOCAL LCD DISPLAY INTERFACE – 4-20 mA/HART
The polling address must be set to 0 to enable the 4-20 mA analog
output signal.
1. LCD Function
The LCD-enabled transmitter provides a 3-button (1, 2, 3) local display
interface that allows the users to fully configure the device settings and
parameters.
The internal buttons are designed for use in non-hazardous locations,
whereas the external buttons are for use in hazardous locations.
The 3-button interface is located on both the LCD Module (internal) and on
top of the enclosure (external) accessible by pivoting the metal plate
cover.
a. Local LCD Display Interface:
The backlit local LCD display is always on and provides instant access
to process data and configuration.
b. Operation in Non-Hazardous Locations:
The internal buttons located on the LCD Module can be used in safe
areas.
c. Operation in Hazardous Locations:
The external buttons are located on top of the enclosure accessible
underneath the metal plate cover.