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Modbus TCP slave with LM
#3
(17.01.2023, 12:55)Daniel Wrote: Which script do you use?

Code:
--------------------------------------------------------------------------------
-- Wiser For Knx : Modbus esclave TCP/IP
--------------------------------------------------------------------------------
-- Simulateur de centrale de mesure pour EcoStruxure EV Charging Expert
--------------------------------------------------------------------------------
--
-- Modèle : iEM3x5x pour Bornes de recharge PRO AC
--
--------------------------------------------------------------------------------
-- v1.2 du 17/01/2023 - D.Barboyon
--------------------------------------------------------------------------------
-- (c) Sigma Tec - 2023
--------------------------------------------------------------------------------

------------- Paramétrage ------------------------------------------------------
idPort        = 503 -- No de port Modbus/TCP        - toujours >= 502
idSlave       = 3   -- No esclave Modbus/TCP        - toujours >= 2
PMname        = "iEM3155-B2"    -- nom du compteur - long <= 14 car
--------------------------------------------------------------------------------

idGroup       = idPort-500        -- idGroup/slaveNum/x

idSteMapping1 = 0
idSteMapping2 = 0
idSetMapping3 = 6502
idSteMapping4 = 6502

-- ---------------------------------------------------------------------
-- Table des objets Wiser For Knx et registres associés
-- ---------------------------------------------------------------------


groupList = {
  { addr = idGroup, datatype="string"       , name=PMname        ,reg=idPort    , unit=""    , tags="-"},
  { addr = idGroup, datatype="uint16"          , name="I1"          ,reg="3000"    , unit="A"   , tags="modbus"},
  { addr = idGroup, datatype="uint16"       , name="I2"           ,reg="3002"    , unit="A"   , tags="modbus"},
  { addr = idGroup, datatype="uint16"          , name="I3"          ,reg="3004"    , unit="A"   , tags="modbus"},
  { addr = idGroup, datatype="uint16"         , name="P1"           ,reg="3054"    , unit="kW"  , tags="modbus"},
  { addr = idGroup, datatype="uint16"          , name="P2"          ,reg="3056"    , unit="kW"  , tags="modbus"},
  { addr = idGroup, datatype="uint16"       , name="P3"           ,reg="3058"    , unit="kW"  , tags="modbus"},
  { addr = idGroup, datatype="uint16"          , name="P"          ,reg="3060"    , unit="kW"  , tags="modbus"},
  { addr = idGroup, datatype="uint32"       , name="ET"           ,reg="3204"    , unit="kWh" , tags="modbus"},
  { addr = idGroup, datatype="bool"         , name="PH1"           ,reg="true"    , unit=""    , tags="-"},
  { addr = idGroup, datatype="bool"         , name="PH2"           ,reg="true"    , unit=""    , tags="-"},
  { addr = idGroup, datatype="bool"         , name="PH3"           ,reg="true"    , unit=""    , tags="-"},
  { addr = idGroup, datatype="bool"         , name="BTN"           ,reg="true"    , unit=""    , tags="-"},
  { addr = idGroup, datatype="unit16"        , name="CURSEUR"    ,reg="true"    , unit="A"   , tags="-"},
  { addr = idGroup, datatype="bool"         , name="BTN MONO"    ,reg="false"    , unit=""    , tags="-"},
  { addr = idGroup, datatype="bool"         , name="BTN TRI"     ,reg="true"    , unit=""    , tags="-"},
  { addr = idGroup, datatype="string"        , name="TYPE MONO-TRI"  ,reg="TRI"    , unit=""    , tags="-"},
  { addr = idGroup, datatype="bool"         , name="PHASE MONO"       ,reg="1"    , unit=""    , tags="-"},
  { addr = idGroup, datatype="uint16"          , name="I Phase AVG"      ,reg="3010"    , unit="A"   , tags="modbus"},
  { addr = idGroup, datatype="uint16"          , name="U Phase1"      ,reg="3028"    , unit="V"   , tags="modbus"},
  { addr = idGroup, datatype="uint16"          , name="U Phase2"      ,reg="3030"    , unit="V"   , tags="modbus"},
  { addr = idGroup, datatype="uint16"          , name="U Phase3"      ,reg="3032"    , unit="V"   , tags="modbus"},
  { addr = idGroup, datatype="uint16"          , name="U AVG"      ,reg="3036"    , unit="V"   , tags="modbus"},
  { addr = idGroup, datatype="uint16"          , name="P apparente"      ,reg="3076"    , unit="kVA" , tags="modbus"},
  { addr = idGroup, datatype="uint16"          , name="Fact Pu"      ,reg="3084"    , unit=""    , tags="modbus"},
  { addr = idGroup, datatype="uint16"          , name="Frequence"      ,reg="3110"    , unit="Hz"  , tags="modbus"},
  { addr = idGroup, datatype="uint32"          , name="QT E"          ,reg="3220"    , unit="kVAR", tags="modbus"},
  { addr = idGroup, datatype="uint16"       , name="QT P total"       ,reg="3068"    , unit="kVAR", tags="modbus"}
}        

-- Spécifique Pro AC : reg Modbus 6501 (uint16) = SlaveId obligatoire
------------------------------------------------------------------------
local proacSlaveReg = 6501

-- ---------------------------------------------------------------------
-- Gestion de la création des objets Wiser For Knx
-- ---------------------------------------------------------------------

function ST_grpCreate(STdatatype,STgroup,STname,STcomment,STunits,STtag)
------------------------------------------------------------------------
  grp.create({
      datatype     = STdatatype,
      address     = STgroup,
      name         = STname,
      comment     = STcomment,
      units         = STunits,
      tags         = { "EVCE", STname },
    })
end

-- Scan la table et crée les objets WFK si nécessaire
------------------------------------------------------------------------

for i, groupCurr in ipairs(groupList) do
  STgroup = groupCurr.addr.."/"..idSlave.."/"..i
 
  if i == 1 then   -- spécifique objet "nom de la centrale de mesure"
    nomGroupe = groupCurr.reg.."#"..idSlave
    valGroupe = groupCurr.name
    objGroupe = STgroup 
    -- Update objet "nom de la centrale de mesure"
    grp.write(objGroupe, valGroupe)    
  end
 
  if grp.find(STgroup) then
    --existe deja
  else  
    -- crée le groupe
    STdatatype       = groupCurr.datatype
    STname           = nomGroupe.."-"..groupCurr.name
    STcomment       = "-"
    STunits           = groupCurr.unit
    STtag           = groupCurr.tags
    ST_grpCreate(STdatatype,STgroup,STname,STcomment,STunits,STtag)
  end
end




-- -----------------------------------------------
-- Processus MaJ registres Modbus slave
-- -----------------------------------------------

if not mb then

  log("EVCE cyclic - Modbus #2 : starting mb")
 
  require('luamodbus')

  -->>>>>>>>>Modbus slave setting<<<<<<<<<<<<<<<<<<<<<<<<
  -- Modbus TCP
  ------------------------------------------------------
  mb = luamodbus.tcp()
  mb:open('0.0.0.0', idPort)
  ------------------------------------------------------ 

  -->>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 
 
  -- slave id
  mb:setslave(idSlave)
 
  -- init slave storage for coils, discrete inputs, holding registers and input registers
  mb:setmapping(idSetMapping3, idSetMapping2, idSetMapping3, idSetMapping4)
 
  --*****************************************************
  -- >>>>>>>>>>>Coil write callback<<<<<<<<<<<<<<<<<<<<<<
  mb:setwritecoilcb(function(coil, value)
        if coil == 0 then
            grp.write('0/0/12', value, dt.bool)
        else
            alert('coil: %d = %s', coil, tostring(value))
        end
  end)
  --*****************************************************
  -->>>>>>>>>>>Register write callback<<<<<<<<<<<<<<<<<<<
  mb:setwriteregistercb(function(register, value)
        if register == 0 then
            -- send value limited to 0..100
            grp.write('0/0/13', math.min(100, value), dt.scale)
        else
            alert('register: %d = %d', register, value)
        end
  end)
  --*****************************************************
 
 
  -- spécifique Pro Ac ----------------
  addRegister = proacSlaveReg 
  addRegister = addRegister -1
  mb:setregisters(addRegister, idSlave)
  -------------------------------------
  
  log("EVCE cyclic - Modbus #2 : END OF starting mb")
 
end

-- Scan la table et Maj des objets autres que Modbus slave
------------------------------------------------------------------------

for i, groupCurr in ipairs(groupList) do

    dataType    = groupCurr.datatype

    if dataType == "bool" and groupCurr.tags == "-" then
       nomGroupe = groupCurr.addr.."/"..idSlave.."/"..i
     
       if grp.find(nomGroupe) then
         -- groupe existe 
       else  
     grp.write(nomGroupe, groupCurr.reg)   
       end
     
    end
 
    if dataType == "string" and groupCurr.tags == "-" and i > 1 then
      nomGroupe        = groupCurr.addr.."/"..idSlave.."/"..i
      if grp.find(nomGroupe) then
        -- groupe existe 
      else  
    grp.write(nomGroupe, groupCurr.reg)   
      end   
    end
 
end

-- Scan la table et MaJ registres Modbus slave
------------------------------------------------------------------------
-- addr = idGroup, datatype="uint16"  , name="I1" ,reg="3000" , unit="A" , tags=""

for i, groupCurr in ipairs(groupList) do

  addRegister = groupCurr.reg
  dataTags    = groupCurr.tags
  dataType    = groupCurr.datatype
  nomGroupe   = groupCurr.addr.."/"..idSlave.."/"..i
 
  -- valeur courante de l'objet WFK
  value = grp.getvalue(nomGroupe) 
 
  if dataType == "uint16" and dataTags == "modbus" then
   
    addRegister = addRegister -1

    -- dt.float16, dt.float32, dt.int64, dt.int32
    raw = knxdatatype.encode(value, dt.float32).dataraw 

    r1 = raw:byte(1) * 0x100 + raw:byte(2)
    r2 = raw:byte(3) * 0x100 + raw:byte(4)
        
    mb:setregisters(addRegister, r1, r2)
        
    --mb:setregisters(addRegister,   r1)
    --mb:setregisters(addRegister+1, r2)

  end
 
  if dataType == "uint32" and dataTags == "modbus" then

    addRegister = addRegister -1   

    -- dt.float16, dt.float32, dt.int64, dt.int32
    raw = knxdatatype.encode(value, dt.int64).dataraw 

    r1 = raw:byte(1) * 0x100 + raw:byte(2)
    r2 = raw:byte(3) * 0x100 + raw:byte(4)
    r3 = raw:byte(5) * 0x100 + raw:byte(6)
    r4 = raw:byte(7) * 0x100 + raw:byte(8)

    mb:setregisters(addRegister, r1, r2, r3, r4)
   
    --mb:setregisters(addRegister,   r1)
    --mb:setregisters(addRegister+1, r2)
    --mb:setregisters(addRegister+2, r3)
    --mb:setregisters(addRegister+3, r4)  
   
  end 

end

mb:handleslave()
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Messages In This Thread
Modbus TCP slave with LM - by SigmaTec - 17.01.2023, 12:54
RE: Modbus TCP slave with LM - by Daniel - 17.01.2023, 12:55
RE: Modbus TCP slave with LM - by SigmaTec - 17.01.2023, 13:29
RE: Modbus TCP slave with LM - by admin - 17.01.2023, 13:35
RE: Modbus TCP slave with LM - by SigmaTec - 17.01.2023, 14:06

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