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LM as modbus slave
#13
HI,

what is the max amount of register I can map on LM as modbus slave?


Code:
local mb = require('user.mbslave')
local copas = require('copas')
local socket = require('socket')
local address = '*'
local port = 502
local server = assert(socket.bind(address, port))

mb.setswap('w')
mb.setfloat16precision(2)

mb.setmapping({
  ['*'] = {
    coils = {
      [0] = '0/0/1',
      [1] = '0/0/3',
      [2] = '0/0/4',
    },
    discreteinputs = {
      [0] = '1/0/1',
      [1] = '1/0/3',
      [2] = '1/0/4',
    },
    registers = {
      [0] = '1/1/4',
      [1] = '1/1/10',
      [3] = '32/1/6',
      [5] = '32/1/13',
    },
    inputregisters = {
      [0] = '2/1/4',
      [1] = '2/1/10',
    }
  }
})

local function handler(sock)
  copas.setErrorHandler(log)

  sock = copas.wrap(sock)
  sock:settimeout(60)

  while true do
    local res, err = mb.tcphandler(sock)
    if not res then
      break
    end
  end

  sock:close()
end

copas.addserver(server, handler, 60)
copas.loop()
Reply


Messages In This Thread
LM as modbus slave - by gdimaria - 06.03.2025, 08:05
RE: LM as modbus slave - by admin - 06.03.2025, 08:10
RE: LM as modbus slave - by gdimaria - 06.03.2025, 16:46
RE: LM as modbus slave - by admin - 06.03.2025, 16:52
RE: LM as modbus slave - by gdimaria - 07.03.2025, 09:19
RE: LM as modbus slave - by admin - 07.03.2025, 09:21
RE: LM as modbus slave - by gdimaria - 07.03.2025, 10:14
RE: LM as modbus slave - by Daniel - 07.03.2025, 10:15
RE: LM as modbus slave - by gdimaria - 07.03.2025, 10:47
RE: LM as modbus slave - by Daniel - 07.03.2025, 11:02
RE: LM as modbus slave - by gdimaria - 07.03.2025, 17:11
RE: LM as modbus slave - by Daniel - 07.03.2025, 17:15
RE: LM as modbus slave - by gdimaria - 10.10.2025, 18:34
RE: LM as modbus slave - by admin - 13.10.2025, 07:03
RE: LM as modbus slave - by gdimaria - 13.10.2025, 15:28
RE: LM as modbus slave - by Daniel - 13.10.2025, 15:41
RE: LM as modbus slave - by gdimaria - 14.10.2025, 09:02
RE: LM as modbus slave - by Daniel - 14.10.2025, 09:10
RE: LM as modbus slave - by gdimaria - 14.10.2025, 10:27
RE: LM as modbus slave - by Daniel - 14.10.2025, 11:35

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