55
Reference Manual
00809-0200-4728, Rev RA
Section 3: Hardware installation
April 2015
Figure 3-5. Multichannel Installations
3.4.5
LCD display installation
The LCD display provides local indication of the transmitter output and abbreviated diagnostic
messages governing transmitter operation. Transmitters ordered with the LCD display are
shipped with the meter installed. After-market installation of the meter can be performed.
After-market installation requires the meter kit which includes:
LCD display assembly (includes LCD display, meter spacer, and 2 screws)
Meter cover with O-ring in place
Figure 3-6. Display Connection
644 Transmitter
644 Field Mount
A. 644 Transmitter
B. Mounting Screw and springs
C. LCD Display
D. LCD Rotation Screws
A. 644 Field Mount
B. LCD Display
C. LCD Rotation Screws
Transmitter
No. 1
Transmitter
No. 2
R
R
R
Readout or
Controller No. 1
Readout or
Controller No. 2
T
o
A
d
dc
Power
Supply
Backup
Battery
Between 250
Ω
and 1100
Ω
if no load resistor.
Summary of Contents for Rosemount 644
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