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SERVICING THE HART COMMUNICATOR
As shown in Figure 1-42, the modular construction of the HART
Communicator allows easy disassembly of the battery pack, the Memory
Module, and the data pack 100. This section discusses how to change
alkaline batteries, recharge the NiCad battery pack, upgrade the
Communicator software, and install and remove the data pack 100.
FIGURE 1-42. HART Communicator Exploded View.
Calibrating the HART Communicator
It is not necessary or possible to calibrate your HART Communicator. It has
no measurement circuitry and does not measure analog output from the field
device. The Communicator is strictly a communication interface that
communicates digitally with HART-compatible devices. It is not applicable to
NIST standards, and is not subject to calibration.
Using a Battery Pack
The HART Communicator is available with a battery pack that holds five AA
alkaline cells, or with a rechargeable nickel-cadmium power pack. The
alkaline cells last approximately 150 hours, and the NiCad cells last
approximately 60 hours with normal usage. When approximately one hour of
battery life remains, a low-battery icon appears in the upper right corner of
the display.
Memory Module
Replaceable
(AA)
or optional
rechargeable
(NiCad)
battery pack
275-0275K01B
data pack 100