Operating Manual Compact Weather Station
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany 27
Figure 9: General
Settings
Figure 10 Temperature,
Humidity and Fan
Settings
10.2.2 Configuration
After a configuration has been loaded, all relevant settings and values can be adjusted.
Depending on the device type, only the settings pertinent to the respective available sensors
are relevant.
10.2.3 General Settings
ID: Device ID (factory setting 1; assign device IDs to additional devices in
ascending order).
Description: In order to differentiate the devices you can enter a description here, e.g.
the location.
Linespeed: Transmission speed of the RS485 interface (factory setting 19200; DO NOT
CHANGE for operation with ISOCON-UMB).
Protocol: Communications protocol of the sensor (Binär, ASCII, SDI-12, Modbus-
RTU, Modbus-ASCII, Terminal).
Timeout: In the event of a temporary changeover of the communications protocol, the
system switches back to the configured protocol after this time (in minutes)
Important note: If the baud rate is changed, after saving the configuration on the sensor,
the sensor communicates at the new baud rate. When operating the sensor in a UMB
network with ISOCON-UMB, this baud rate must not be changed; otherwise the sensor is
no longer addressable and can no longer be configured.
10.2.4 Temperature, Humidity and Fan Settings
Offset: Absolute offset on the measurement in the unit of the accompanying
channel (for on site calibration).
Interval: Time in minutes for the minimum, maximum and average value calculation
interval.
Fan: to reduce electrical power consumption, the fan can be switched off.
Note:if the fan is switched off, all heaters will also be switched off!
With the fan switched off deviations in temperature and humidity
measurement can occur by solar radiation!
Note: In order to calculate dewpoint, absolute humidity and mixing ratio, the temperature
and humidity measurement always requires the same interval. For this reason different
intervals cannot be set.
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