Endress+Hauser iTEMP HART TMT142 Manuel De Mise En Service page 62

Operation
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5.3.2 FieldCare
FieldCare is a universally applicable service and configuration software based on FDT/DTM
technology. Connection is established by means of a HART
Detailed information is provided in the installation instructions of the FieldCare configuration
software (see chapter 'Documentation'). The DTMs available for the device also allow operation by
means of operating programs of other manufacturers that support FDT/DTM technology.
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5.3.3 ReadWin
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ReadWin 2000 is a universally applicable service and configuration software. Connection is made
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using a HART modem, e.g. Commubox FXA 191. The operating software offers the user the
following possibilities:
• Set-up device functions
• Measured value visualisation
• Device parameter data storage
• Measuring point documentation
Caution!
The analogue output is undefined when downloading the device function parameters from
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ReadWin 2000 to the device.
Further in-depth information to operation via ReadWin
documentation of the software. ReadWin
following address:
• www.endress.com/Readwin
5.3.4 Command classification in the HART
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The HART protocol makes it possible for configuration and diagnostic purposes to transmit
measured and device data between the HART
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HART masters such as the handheld module or PC-based operating programmes (e.g. FieldCare)
require so-called device description files (DD = device descriptions, DTM), these make it possible
to access all information in a HART
using "commands".
There are three command classifications:
• Universal commands
Universal commands are supported and used by all HART
the following functionalities:
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– Recognising HART device
– Read out of digital measured values
• Common practice commands:
These general commands offer functions that are supported or used by some but not all field
devices.
• Device specific commands
These commands enable access to device specific functions that are not HART
Such commands access, amongst other things, individual field device information.
Note!
Chapter 6.4.2 contains a list of all HART
2000
®
2000 can be downloaded free of charge from the
®
master and the respective field device.
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device. Transmission of such information is done exclusively
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commands supported.
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modem, e.g. Commubox FXA 191.
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2000 can be found in the online
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protocol
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devices. Combined are, for example,
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TMT142
standardised.
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