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JKM-868 LevelJET


The JKM-868 with connected LevelJET is used to read out the individual values of the LevelJET level indicator.


In order to be able to receive data, the virtual COM port driver from Silicon Labs (CP210x) must first be installed on Windows and the USB-T 868 radio transceiver must be connected. In IP-Symcon, “JKM-868 (LevelJET)” must be added. The parent instances (e.g. the gateway) are created automatically.
Alternatively, the 868 LAN gateway can also be used. A client socket with the appropriate settings must be selected as the “parent instance”.


The DeviceID defaults to 166 and must be added to the address of the respective device. Example: the LevelJET has the address 12 - so 178 must be entered here. The address is parameterized in LevelJET according to the manufacturer's instructions.

Variable Description
Distance Distance in cm
Output (1) State of the 1st Relay
Output (2) State of the 2nd Relay
Level 1

The distance value (input) is queried cyclically in the set “interval”. The status of both outputs cannot be actively queried. It is sent automatically after the distance thresholds set in the LevelJET have been exceeded or undershot.

Tips & Tricks

In order to calculate the volume in liters, own PHP scripts must be created.

Any questions?