Local Operating Interface (Loi)/Lcd Display; Rotating Lcd/Loi Display; Configuring Transmitter Security - Emerson Rosemount 3051P Reference Manual

Electrical Installations
May 2017
4.3

Local Operating Interface (LOI)/LCD display

Transmitters ordered with the LCD display option (M5) or LOI option (M4) are shipped with the display
installed. Installing the display on an existing transmitter requires a small instrument screwdriver.
Carefully align the desired display connector with the electronics board connector. If connectors don't
align, the display and electronics board are not compatible.
Figure 4-1. LOI Display Assembly
A. LCD/LOI display
B. Extended cover
C. Captive screws
4.3.1

Rotating LCD/LOI display

1. Secure the loop to manual control and remove power to transmitter.
2. Remove transmitter housing cover.
3. Remove screws form the LCD/LOI display and rotate to desired orientation.
a. Insert 10-pin connector into the display board for the correct orientation. Carefully align pins for
4. Re-insert screws.
5. Reattach transmitter housing cover; cover must be fully engaged to comply with explosion proof
requirements.
6. Re-attach power and return loop to automatic control.
4.4

Configuring transmitter security

There are four security methods with the Rosemount 3051P Transmitters.
Security switch

HART

Configuration Buttons lock

LOI password

36
C
insertion into the output board.
®
Lock
A
C
B
Reference Manual
00809-0700-4001, Rev AA
Electrical Installations