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Sending a Command
While some features have buttons to send commands, I decided to not create a feature for every
possible command. Mainly to keep the number of features to a minimum (kind of), but mostly because
not every OpenTherm device supports every command and some commands are only available on an
OTGW with a certain type of PIC or a certain firmware version. These features would be not be useful
for everybody. Besides, some commands have to be used with care.
So instead I chose to create an event action that lets you send any command to the OTGW.
Example
As an example, here is how to send the outside temperature from a separate sensor (not connected to
the boiler/thermostat/OTGW) to the OTGW.
First, create the trigger. In this case, the event will run when the sensor’s temperature has been set or
changed:
If this event is triggered, the Send Command action is used to send, to the selected OTGW, the OT
(Outside Temperature) command with the value from the replacement variable of feature device with
reference 1256 (which in this case is the reference of the same outside temperature sensor as the
trigger uses).
For a full list of OTGW commands, see:
https://otgw.tclcode.com/firmware.html#commands
And a list of replacement variables can be found here:
https://docs.homeseer.com/products/software/hs4-smart-home-software/scripting/applications-and-
plugins/replacevariables/using-replacement-variables
Of course, sending commands is fully at your own risk. Especially the commands which allow you to
modify setpoints can cause unwanted situations. Always make sure that commands are confirmed, by
checking their matching MsgID.