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SERIAL INTERFACE (OPTION)
12 - 3
ETC00781(1) Series 100 e 10/2001
Rosemount Analytical
To avoid detecting transmission errors, the host computer can insert a message -length parity
byte immediately preceding the terminate character for verification by the analyzer.
The analyzer invariably transmits message length parity bytes immediately preceding termination
characters.
The elapsed time between the reception of start characters and termination characters is not
limited by the analyzer; i.e., there are no “time out” periods.
If the host computer transmits any new characters before the analyzer has responded to the
preceding telegram, the analyzer’s input buffer will reject them; i.e., these characters will be
ignored by the analyzer.
The transmission rate may be set between 600 and 38,400 baud.
An echo mode may also be activated.
The analyzer software is configured such as that telegrams may be sent to the host computer at
time intervals of 150 ms and greater.
GENERAL