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CoolMasterNet

by LoxonautNo rating yet1,043 downloads

Content languageEnglish

Download · v1.0.2Add to favourites

Updated Feb 17, 2022

Download · v1.0.2

Description

CoolMasterNet is a device that enables seamless and universal integration of home automation and building management system with any VRF or VRV HVAC system.

Inputs and outputs · 12

NameTypeUnit
VA1 On OffModbus<v.1>
VA2 On OffModbus<v.1>
VA3 On OffModbus<v.1>
VA1 Operation ModeModbus<v.1>
VA2 Operation ModeModbus<v.1>
VA1 Set TempModbus<v.1>
VA1 Fan SpeedModbus<v.1>
VA2 Set TempModbus<v.1>
VA2 Fan SpeedModbus<v.1>
VA3 Operation ModeModbus<v.1>
VA3 Fan SpeedModbus<v.1>
VA3 Set TempModbus<v.1>

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Questions and answers

  1. Sync info Loxone - Cool Master

    Open

    Aleix Parreño MartinezCreator

    Hello,

    I have a Partner with a Cool Master, and he says: when turn on in Loxone, fan coil turn on, but the Cool Master haven't any register in display, and the same when he turns on in Cool Master, in Loxone haven't any register. Is correct this functionality? Why it doesn't show any register in display?

    I'm waiting your response.

    Best regards.

    1 reply

    1. Dennis Van Soom

      Hello Aleix,

      Are you using the RTU or TCP integration? The basic template in the library is only to control the device. So if there is a change on the device this will not be show in our system. If you want this you need to add inputs to the template so you can ask for the state.

      The question why you are not seeing a change on the device and that the unit is working is best asked to the manufacturer of the device itself. If it is working than we know the communication is working and more we are not able to control.

      If you want to read the sate you need to make an input on the modbus template and read the holding register of the same IO address as you are sending to.

  2. Local Wall Controller Lock Bits ?

    Open

    Tom Staels

    The "Modbus-guidelines" pdf mentions the Local Wall Controller Lock Bits, on page 11. Bit 0 - Inhibit On/Off control Bit 1 - Inhibit Mode control Bit 2 - Inhibit Set Temperature control Bit 7 - Inhibit All control operations

    These are on Base Address +8.

    My question : how do we write to those bits from the Loxone Config ?

    2 replies

    1. Maximilian Stoll

      Hello, To do this, the decimal numbers (values) of the Loxone Config must be converted into binary numbers with a status block. The effort can still be acceptable for one data point. With several data points, the 8-bit Modbus communication is still very comprehensive. We therefore do not yet support this type of communication. Our Modbus communication provides 16-BIt up to 64-bit communication. Greetings Max

    2. Tom Staels

      I'm doing a config for an office building with 45 units, so if we need to Inhibit All control operations on unit 1, then we need to write "10000000" (bit 7 set high, bits 0-6 low) to address 24.

      Please explain how to send the binary word ?

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