return {
    on = {
        devices = {'pzem1', 'pzem2'}
    },
    logging = {
        level = domoticz.LOG_ERROR
    },
    execute = function(dz, item)

        if (item.changed) then
                   v1, c1, p1, e1 = dz.devices('pzem1')._state:match("([^;]+);([^;]+);([^;]+);([^;]+)")
                   voltage1 = tonumber(v1 or 0)
                   current1 = tonumber(c1 or 0)
                   power1   = tonumber(p1 or 0)
                   energy1  = tonumber(e1 or 0)
                      if (voltage1 > 0) then
                          dz.devices(98).updateVoltage(voltage1)
                          print('voltage1 = '..voltage1)
                      end
                      if ((current1 > 0 and power1 > 0) or (current1 > 0)) then
                           dz.devices(101).updateCurrent(current1)
                           print('current1 = '..current1)
                      end
                      if (power1 == 0) then
                          dz.devices(104).updateElectricity(0, energy1)
                          print('energy1 = '..energy1)
                      else
                          dz.devices(104).updateElectricity(power1, energy1)
                          print('power1 = '..power1..' ,energy1 = '..energy1)
                      end
                   v2, c2, p2, e2 = dz.devices('pzem2')._state:match("([^;]+);([^;]+);([^;]+);([^;]+)")
                   voltage2 = tonumber(v2 or 0)
                   current2 = tonumber(c2 or 0)
                   power2   = tonumber(p2 or 0)
                   energy2  = tonumber(e2 or 0)
                      if (voltage2 > 0) then
                          dz.devices(99).updateVoltage(voltage2)
                          print('voltage2 = '..voltage2)
                      end
                      if ((current2 > 0 and power2 > 0) or (current2 > 0)) then
                           dz.devices(102).updateCurrent(current2)
                           print('current2 = '..current2)
                      end
                      if (power2 == 0) then
                          dz.devices(105).updateElectricity(0, energy2)
                          print('energy2 = '..energy2)
                      else
                          dz.devices(105).updateElectricity(power2, energy2)
                          print('power2 = '..power2..' ,energy2 = '..energy2)
                      end
                   volt = (voltage1 + voltage2) / 2
                   amp  = current1 + current2
                   pow  = power1 + power2
                   enrg = energy1 + energy2
                   print('volt = '..volt)
                   print('amp = '..amp)
                   print('pow = '..pow..'enrg = '..enrg)
        end
    end
}