3.4.5
LCD display
Transmitters ordered with the optional LCD display will be shipped with the display
installed. The LCD display can be rotated in 90 degree increments by squeezing the two
tabs, pulling out, rotating and snapping back into place. If LCD display pins are
inadvertently removed from the interface board, carefully re-insert the pins before
snapping the LCD display back into place.
Procedure
1. Remove the LCD display cover. Do not remove the instrument covers in explosive
environments when the circuit is live.
2. Put the 4-pin connector into the LCD display, rotate to the desired position and
snap into place.
3. Replace the transmitter cover.
The following LCD display temperature limits:
•
Operating:–4 to 175 °F (–20 to 80 °C)
•
Storage:–40 to 185 °F (–40 to 85 °C)
Note
Only use Rosemount Wireless LCD Display part number: 00753-9004-0002.
Figure 3-9: Optional LCD Display
A
B
C
A. LCD display pins
B. LCD display display
C. LCD display cover
3.5
Ground the transmitter
The transmitter will operate with the housing either floating or grounded. However, the
extra noise in floating systems affects many types of readout devices. If the signal appears
noisy or erratic, grounding the transmitter at a single point may solve the problem.
The electronics enclosure should be grounded in accordance with local and national
installation codes. This can be accomplished via the process connection, via the internal
case grounding terminal, or via the external grounding terminal.
Installation
Reference Manual
May 2020
00809-0200-4648
40
Rosemount 648 Wireless
Содержание Rosemount 648
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