Command ID 16

This Forum is about the Opentherm gateway (OTG) from Schelte

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Command ID 16

Postby minocz73 » Thu Aug 22, 2019 12:33 am

Hello,
I understand correctly that Opentherm gateway firmware does not contain the command ID 16 - W Room Setpoint Current room temperature setpoint (° C)? If not, can this command be added?
Thank you Marek
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Re: Command ID 16

Postby hvxl » Mon Aug 26, 2019 4:03 pm

What exactly are you looking for? The Current Room Setpoint is something a thermostat may indicate. If it does, the OTGW will report it and/or store so it can be included in a summary report. So there is support for MsgID 16.

If the thermostat does not send MsgID 16, then the OTGW has no way of knowing what the Current Room Setpoint is. That's not normally a problem, because boilers generally have no need for this information.
Schelte
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Re: Command ID 16

Postby minocz73 » Tue Aug 27, 2019 9:28 pm

Hello
Thank you very much for your advice. I'm so sorry I'm this beginner. This log generates a room setpoint change of 17 ° C. Can you please send me the procedure to change the room temperature using the Opentherm gateway?
Thank you Mark

Code: Select all
21:47:18.208537  T80000200  Read-Data   Status: 00000010 00000000
                               - CH enable: disabled (0)
                               - DHW enable: enabled (1)
                               - Cooling enable: disabled (0)
                               - OTC active: not active (0)
                               - CH2 enable: disabled (0)
                               - Summer/winter mode: winter (0)
                               - DHW blocking: unblocked (0)
21:47:18.354106  B4000020C  Read-Ack    Status: 00000010 00001100
                               - Fault indication: no fault (0)
                               - CH mode: not active (0)
                               - DHW mode: active (1)
                               - Flame status: flame on (1)
                               - Cooling status: not active (0)
                               - CH2 mode: not active (0)
                               - Diagnostic indication: no diagnostics (0)
                               - Electricity production: not active (0)
21:47:19.202848  T90181B27  Write-Data  Room temperature: 27.15
21:47:19.264141  B50181B27  Write-Ack   Room temperature: 27.15
21:47:20.198645  T800BFF00  Read-Data   TSP setting: 255 0
21:47:20.264186  B400BFF00  Read-Ack    TSP setting: 255 0
21:47:21.205801  T90181B27  Write-Data  Room temperature: 27.15
21:47:21.280695  B50181B27  Write-Ack   Room temperature: 27.15
21:47:22.208848  T800BF000  Read-Data   TSP setting: 240 0
21:47:22.279182  B400BF000  Read-Ack    TSP setting: 240 0
21:47:23.209907  T90181B28  Write-Data  Room temperature: 27.16
21:47:23.278119  B50181B28  Write-Ack   Room temperature: 27.16
21:47:24.214441  T90101101  Write-Data  Room setpoint: 17.00
21:47:24.279104  B50101101  Write-Ack   Room setpoint: 17.00
21:47:25.210467  T90181B2E  Write-Data  Room temperature: 27.18
21:47:25.278441  B50181B2E  Write-Ack   Room temperature: 27.18
21:47:26.201235  T80190000  Read-Data   Boiler water temperature: 0.00
21:47:26.278465  BC0193980  Read-Ack    Boiler water temperature: 57.50
21:47:27.212141  T10181B34  Write-Data  Room temperature: 27.20
21:47:27.286057  BD0181B34  Write-Ack   Room temperature: 27.20
21:47:28.217426  T001B0000  Read-Data   Outside temperature: 0.00
21:47:28.280328  BC01B1766  Read-Ack    Outside temperature: 23.40
21:47:29.203534  T90181B35  Write-Data  Room temperature: 27.21
21:47:29.265651  B50181B35  Write-Ack   Room temperature: 27.21
21:47:30.209298  T801A0000  Read-Data   DHW temperature: 0.00
21:47:30.273215  BC01A2D4C  Read-Ack    DHW temperature: 45.30
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Re: Command ID 16

Postby hvxl » Mon Sep 16, 2019 9:03 pm

Sorry, but I still don't understand what you want to do.

Initially you asked about the Room Setpoint, MsgID 16. Now you talk about Room Temperature, which is MsgID 24.

The log shows the thermostat sends a Room Setpoint of 17. There is no setpoint change. Are you referring to MsgID 9 (Remote Override Room Setpoint) with that remark?

Do you want to change the value in MsgID 16 that gets sent to the boiler? As I mentioned before, boilers don't normally use that information. So, even if you could change the value, it would be unusual for it to have any effect.
Schelte
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