Hardware Manual COMBILOG 1020
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SD:
Start-Delimiter (length = 1 byte):
The Start-Delimiter SD marks the beginning of a telegram. It as-
sumes the following values in an ASCII-protocol:
SD
request telegram
response telegram
with
check sum
#
>
without check sum
$
=
Table 11.8 Start-Delimiter (SD) in the ASCII-protocol
DA:
Destination-Address (length = 2 byte):
The Destination-Address DA identifies the communication part-
ner's address, to whom data shall be transmitted or from whom
data shall be requested. Destination-Address can assume values
from 1 to 127 in an ASCII-protocol. The value is here given as a
two-digit ASCII-string (ASCII "01".."7F").
ReqDataUnit:
Request-Data-Unit (length = 1 ... n byte):
The Request-Data-Unit identifies a data field in the request tele-
gram, which contains the data for the communication partner with
the DA address.
ResDataUnit:
Response-Data-Unit (length = 1 ... n byte):
The Response-Data-Unit identifies a data field in the response
telegram, which contains the data for the calling communication
partner.
Summary of Contents for COMBILOG 1020
Page 1: ...COMBILOG 1020 Datalogger Hardware Manual Version 3 09...
Page 2: ...Hardware Manual COMBILOG 1020 2 Issue 03 11 2005 Technical data are subject to change...
Page 4: ...Hardware Manual COMBILOG 1020 4...
Page 6: ...Hardware Manual COMBILOG 1020 6...
Page 12: ...Hardware Manual COMBILOG 1020 12...
Page 86: ...Hardware Manual COMBILOG 1020 86 Bild 8 1 Example Master Slave System...
Page 169: ...Hardware Manual COMBILOG 1020 169...
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