Maintenance; Overview; Transmitter Maintenance; Exploded View Of Model 5081-A Transmitter - Emerson Rosemount Analytical HART 5081-A-HT Instruction Manual

MODEL 5081-A

17.1 OvERvIEW

This section gives general procedures for routine maintenance of the 5081-A transmitter. The transmitter needs
almost no routine maintenance.

17.2 TRANSMITTER MAINTENANCE

Periodically clean the transmitter window with household ammonia or glass cleaner. The detector for the infrared
remote controller is located behind the window at the top of the transmitter face. The window in front of the detec-
tor must be kept clean.
Most components of the transmitter are replaceable. Refer to Figure 17-1 and Table 17-1 for parts and part numbers.
Three screws (part 13 in the drawing) hold the three circuit boards in place. Removing the screws allows the dis-
play board (part 2) and the CPU board (part 3) to be easily removed. A ribbon cable connects the boards. The cable
plugs into the CPU board and is permanently attached to the display board. A 16 pin and socket connector holds
the CPU and analog (part 4) boards together. Five screws hold the terminal block (part 5) to the center housing
(part 7), and the 16 pins on the terminal block mate with 16 sockets on the back side of the analog board. Use cau-
tion when separating the terminal block from the analog board. The pin and socket connection is tight.
SECTION 17.0

MAINTENANCE

FIGURE 17-1. Exploded view of Model 5081-A Transmitter
SECTION 17.0
MAINTENANCE
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