Siemens SIMATIC 6DL1 136-6AA00-0PH1 - Page 107

Structure of the HART-speci󹪝c settings
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TQFDJ꫼DBUJPO
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JOJUJBMWBMVF
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#ZUF
#ZUF
/VNCFSPG)"35SFQFUJUJPOTJOJUJBM
WBMVFGSPNQBSBNFUFSEBUBSFDPSE
NVTUCF
NVTUCF
NVTUCF
'JFMEEFWJDFNPEFBDDPSEJOHUP)"35TQFDJ꫼DBUJPO
$MJFOUUJNFPVUJOTTJOJUJBM
WBMVFT
NVTUCF
3FTFSWFE
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BDUJWBUJPOGSPNQBSBNFUFSEBUB
SFDPSEBMXBZTBTQSJNBSZNBTUFS
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4XJUDIP꫻)"35
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* When the number of HART preamble bytes = 0, the number of preamble bytes required by the
connected 󹪝eld device are used, but no fewer than 5.
When the number of HART preamble bytes = 255, then 20 preamble bytes are used.
HART operating data records
A.7 HART-speci󹪝c settings
F-AI 8xI 2-/4-wire HART HA
Equipment Manual, 09/2021, A5E50557845-AA 107