Control Device - TRV

[petersturrock]

First of all, many thanks for this repo. It's let me create some heating control logic that I can't achieve in iHost.

Is it possible to add control device logic to allow control of the Sonoff TRVs? This should allow control of the TRVs using external temperature sensors.

[SuiKaSan]

Sorry about the delay. By saying allow control of the TRVs using external temperature sensors. I can list two scenario below:

1. Register a virtual device as temperature sensor in iHost and use it in scene to control TRVs.
2. Set up the temperature sensor in node-red and upload temperature info to control TRVs.

First one is feasible and supported in iHost. But the second one is not. Because TRVs is not supported in node-red yet.

[petersturrock]

Thanks for the follow up.

Ideally I'd like to do (2) so I can have all the logic in Node Red and set the temperatures on TRVs based on various sensors I have installed in Node Red.

(1) might help with some logic that I need. I have successfully registered a virtual temp sensor with 'Register Device'. But I'm currently having difficulty setting the temperture using the 'Put Device State'. I'm getting a 'not properly configured' error when I select the virtual temp sensor.

Should the put node allow me to change the value of the virtual temp sensor?

[SuiKaSan]

Can you send me a screenshot of your virtual device node configuration so I can pinpoint the problem?

[petersturrock]

This is my latest attempt. The device is created but I can't create a valid 'Put Device State' node to set and change the values. I first tried to create a temperature only sensor but wasn't able to use 'Device Initial State' to initialise the values.

[SuiKaSan]

Please post your put-device-state node configuration as well.

[SuiKaSan]

I tried to register a virtual temperature sensor and reproduce the problem. Here are some results.

1. Use 'Device Innitial State' to initialise the temperature:

2. Use 'Put Device State' node to change temperature:

Both of them working pretty well. Please double check your configuration with mine.

[petersturrock]

I've recreated the above and added the JSON for the initial state and inject. It works and updates the temperature but I always get a red triangle in the put-device-state and an error during the deploy

[SuiKaSan]

It's a known bug but won't affect any of your node's behavior besides warning. We'll fix it in next version of node-red-contrib-ewelink-cube.

[petersturrock]

Thanks for the investigation on this. Do you know if the control device node will be upgraded to allow TRV control ?

[SuiKaSan]

TRV will be supported in the end of next month.