KROHNE Summit 8800 Vol 3 - Manual (Page 149)

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08/2013 - MA SUMMIT 8800 Vol3 R02 en
SUMMIT 8800 COMMUNICATION 08
Stop bits Gap between two transmitted words, 1 or 2 stop bits
Mode RS232 or RS 485
Word size Size of 1 word: 7 or 8 bits
Timeout The maximum time to be waiting for a response, after which an alarm is given
8 .9 CTE Protocol
The CTE protocol or Comunicazione a Trame Estese (communication for large stations) is in use
by the Italian SNAM to transmit the consumption of natural gas. For details, see UNI/TS 11291-2
gas measurement systems - devices for measurement of gas on an hourly basis, Part 2: Proto-
col CTE.
The CTE must be chosen in the hardware section for one of the serial ports:
Figure 200 CTE protocol hardware setting
The standard settings need to match the CTE communication partner:
Master Click the box if the Summit is the master
Baud rate The speed of transmission in bits per second between 300 and 38400.
Parity A check on correct transmission: none, odd, even, space or mark.
Stop bits Gap between two transmitted words, 1 or 2 stop bits
Mode RS232 or RS 485
Word size Size of 1 word: 7 or 8 bits
Level code 1 to 3 Code used for addressing the flow meter. If omitted the address is not used.
Session timeout The maximum time to be waiting for a response, after which an alarm is given
More CTE details must be given under general: