Hydrolab DATASONDE 4a communication protocol
Supported device types and versions
Communication line configuration
Communication station configuration
I/O tag configuration
Literature
Changes and modifications
Document revisions
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This protocol supports data reading from Hydrolab DATASONDE 4a. The device must be in the TTY communication mode.
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- Communication line category: Serial.
- Baud rate 2400,4800,9600 or 19200 Bd (according to settings of DATASONDE).
- Number The number of stop bits according to settings of DATASONDE.
- Number The number of data bits according to settings of DATASONDE.
- Parity according to settings of DATASONDE.
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- Communication protocol: HYDROLAB DataSonde 4a
- Station The station address is not used.
Station protocol parameters
You can configure the following I/O tags:
Table 1
Key wordKeyword | Full name | Meaning | Unit | Default value | ||||||
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| Wait Timeout | Delay The delay between reading the line. | ms | 1000 ms | ||||||
| Max Wait Retry | Maximum retries of reading the response until it is completed. | - | 35 |
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Example:
WT=2000;MWR=40;
If a key word keyword with a valid value has not been found in the initial string, the default value is used according to Table 1.
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