Communication Using The Hart® Protocol - Endress+Hauser iTEMP HART TMT162 Bedienungsanleitung

Operation
70
Hardware setup using jumper J3 (only for units without display)
Using jumper 3 the minimum operating voltage can be reduced from 11 V to 8 V.
5.3 Communication using the HART
The setup and measured value read out of the measuring device is done using the HART
protocol. The digital communication is done using the 4 to 20 mA current output HART
Figs. 5 and 6). There are a number of possible setup methods available to the user:
• Operation using the universal handheld module "HART
• Operation using a PC combined with Endress+Hauser operating software, e.g. ' F ieldCare'
®
or ' R eadWin 2000' as well as a HART
• Operating programs of other manufacturers (' A MS' , Fisher Rosemount; ' S IMATIC PDM' ,
Siemens).
If communication errors occur in the Microsoft
®
Windows 2000 operating systems the following measure is to be taken:
Switch off setting "FIFO active".
In order to do this follow these steps.
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1. On Windows NT Version 4.0:
Select the menu point "COM-Port" following using the menu "START" à "SETTINGS" à
"SYSTEM CONTROL" à "CONNECTIONS". Using the menu string "SETTINGS" à
"EXPANDED" switch the command "FIFO active" off. Now restart the PC.
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2. For Windows 2000 and Windows
Select "Expanded settings for COM1" using the menu "START" à "SETTINGS" à "SYSTEM
CONTROL" à "SYSTEM" à "HARDWARE" à "UNIT MANAGER" à "CONNECTIONS" (COM and
LPT)' à "COMMUNICATION CONNECTION(COM1)" à "CONNECTION SETTINGS" à
"EXPANDED". Deactivate the "Use FIFO buffer". Now restart the PC.
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protocol
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Communicator DXR275/375".
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modem, e.g. ' C ommubox FXA191' .
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Windows NT
®
XP (classic category view):
TMT162
®
®
(see
®
Version 4.0 and
Endress+Hauser