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Parameter | Report Frequency | Purpose | Notes | |
|---|---|---|---|---|
| 1 | Pressure measurement | Once every 5 sec | Environmental monitoring | Managed through configuration file |
| 2 | Temperature measurement | Once every 5 sec | Environmental monitoring | See pressure. |
| 3 | Relative humidity measurement | Once every 5 sec | Environmental monitoring | See pressure. |
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Required Alarms
The Alarms page collects alarms across the entire KPF system.
A direct link to the relevant Vaisala section of the system-wide alarms page is given here.
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Relevant Datasheets & Manuals
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Keyword | Value | Type |
|---|---|---|
RETVAL | Value returned by Vaisala. | String. The format is set in the configuration file. Only readable. |
TIME | Time stamp of when the last RETVAL was received. | Unix timestamp (binary) or time stamp (ascii). Only readable. |
PRES | Pressure value in units of hPa. | Double value from RETVAL, read only. |
RELH | Relative humidity in %. | Double value from RETVAL, read only. |
TEMP | Temperature in deg C. | Double value from RETVAL, read only. |
DISP#STA | Dispatcher status. | Enum and read only. If value is 4 or “Not Connected” the connection to the Vaisala or the Lantonix is not available. If value is 3 or “Connecting” the dispatcher is attempting to connect to the Vaisala through the Lantronix. |
DISP#CONN | IP address and port separated by a colon. | Read only string, set by configuration file |
DISP#DEV | Device name | Read only string, set by configuration file |
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Dispatcher Configuration File
Configuration | Value | Explanation |
|---|---|---|
ip | 192.168.23.126 | IP address of the Lantronix box. |
port | 10001 | Port that is used for Vaisala, this is port 1. |
format_str | form 9.4 "P=" P " " U6 6.4 "T=" T " " U3 6.4 "RH=" RH " " U4 \r \n | Format statement of the output from the Vaisala. At dispatcher start up and at every new connection, this value is sent to the Vaisala. The #.# sets the number of characters (first # ) and the second # sets the number of characters after the decimal point. There must be a space between the characters that notes what the value is (such as P=) and the actual value (the P). The code uses the characters (P=, RH= or T=) to determine what the next value is. |
poll_time | 5 | Time between reads of the Vaisala in seconds. |