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snoekieboe / DRU-Modbus-Openhab2-NodeRed

Integration of DRU Fireplace in Openhab using Modbus (BRDG-EM01) and Node-Red
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Add Dru Modbus TCP protokol pdf #1

Closed chbloemer closed 5 years ago

chbloemer commented 5 years ago

Could you please add the protocol documentation pdf. The link from your thread doesn’t work anymore.

snoekieboe commented 5 years ago

I’ve updated the link in my post to point towards my GitHub where the PDF is also available for download.

Br

Roel

Op 12 jan. 2019, om 22:00 heeft Christoph notifications@github.com het volgende geschreven:

Could you please add the protocol documentation pdf. The link from thread doesn’t work anymore.

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chbloemer commented 5 years ago

Thanks a lot.

chbloemer commented 5 years ago

I am trying to get this working in open hab with Modbus 2.4.0 binding. I have a Dru Metro XTU 100 with Honeywell Bridge (BRDG-03EM01, LinkStatus=Online)

I would like to address Reg. No. 40200 (Action 100 Turn Pilot on)

modbux.things

Bridge modbus:tcp:localhostTCP [ host="192.168.x.x", port=502, id=2 ] {

    Thing data holding101 [ readStart="", readValueType="", writeStart="101", writeValueType="int16", writeType="holding" ]
    Thing data holding200 [ readStart="", readValueType="", writeStart="200", writeValueType="int16", writeType="holding" ]

    Bridge poller holding [ start=203, length=1, refresh=1000, type="holding" ] {
        Thing data holding203 [ readStart="203.1", readValueType="bit", writeType="holding" ]
    }

}

home.items

Number  DruAction   "Actie [%d]"    <setting>     (gKA) {channel="modbus:data:localhostTCP:holding200:number"}

home.sitemap

Switch item=DruAction mappings=[100="100", 101="101", 2="2", 3="3"]

I get for Example this error:

2019-01-27 13:31:25.780 [ERROR] [rt.modbus.internal.ModbusManagerImpl] - Last try 3 failed when executing request (ModbusPollerThingHandlerImpl.ModbusPollerReadRequest@1ebd8e2[slaveId=2,functionCode=READ_MULTIPLE_REGISTERS,start=203,length=1,maxTries=3]). Aborting. Error was: net.wimpi.modbus.ModbusSlaveException Error Code = 2 [operation ID 5bbdf772-ecb7-4cf9-b75f-7c1106554d63]

Modbus TCP Slave (modbus:tcp:localhostTCP) is "ONLINE" in the Thing configuration in PaperUI.

Some Questions:

  1. Do I need to bind to the gateway somehow? Or can I just send Modbus commands to the gateway. Controling the fire with iPhone App and RF Transmitter works.
  2. Is the "id" always 2?
  3. Could you help me with the config to get the first holding to work, to start up the fire? Maybe its just a minor mistake on my side. If I get one thing working the rest should be easy.
chbloemer commented 5 years ago 
    Thing data holding101 "Initiate Binding" [ readStart="", readValueType="", writeStart="40101", writeValueType="uint16", writeType="holding" ]
    Thing data holding200 "Action" [ readStart="", readValueType="", writeStart="40200", writeValueType="uint16", writeType="holding" ]

    Bridge poller holdings "Holdings"[ start=40203, length=1, refresh=5000, type="holding" ] {
        Thing data 203 "Fire Status" [ readStart="40203.1", readValueType="bit" ]
    }

I got it working. Just used the wrong numbers. I thought, that the range 40000 is for holding and that I only need for example the value 203.

snoekieboe commented 5 years ago

Great! enjoy controlling your DRU fireplace through openhab…. as an example i made a rule that burns the fireplace at 100% for the first 10 minutes ( to get rid of the moisture) and after the 10 minutes in turns to a Eco Wave program. works like a charm..

Br

Roel

Op 27 jan. 2019, om 14:26 heeft Christoph notifications@github.com het volgende geschreven:

Thing data holding101 "Initiate Binding" [ readStart="", readValueType="", writeStart="40101", writeValueType="uint16", writeType="holding" ]
Thing data holding200 "Action" [ readStart="", readValueType="", writeStart="40200", writeValueType="uint16", writeType="holding" ]

Bridge poller holdings "Holdings"[ start=40203, length=1, refresh=5000, type="holding" ] {
    Thing data 203 "Fire Status" [ readStart="40203.1", readValueType="bit" ]
}

I got it working. Just used the wrong numbers. I thought, that the range 40000 is for holding and that I only need for example the value 203.

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