Class: ModBus::RTUViaTCPServer

Inherits:

GServer

• Object
• GServer
• ModBus::RTUViaTCPServer

Includes:

Debug, RTU, Server

Defined in:

lib/rmodbus/rtu_via_tcp_server.rb

Overview

RTU over TCP server implementation

Examples:

srv = RTUViaTCPServer.new(10002)
slave = src.with_slave(1)
slave.coils = [1,0,1,1]
slave.discrete_inputs = [1,1,0,0]
slave.holding_registers = [1,2,3,4]
slave.input_registers = [1,2,3,4]
srv.logger = Logger.new($stdout)
srv.start

Constant Summary

Constants included from Server

Server::Funcs

Instance Attribute Summary

Attributes included from Server

#promiscuous, #request_callback, #response_callback

Attributes included from Debug

#logger, #raise_exception_on_mismatch, #read_retries, #read_retry_timeout

Instance Method Summary

• #initialize(port = 10002, opts = {}) ⇒ RTUViaTCPServer constructor

  Init server.

Methods included from Server

#exec_req, #parse_mask_write_register_func, #parse_read_func, #parse_read_write_multiple_registers_func, #parse_request, #parse_response, #parse_write_coil_func, #parse_write_multiple_coils_func, #parse_write_multiple_registers_func, #parse_write_register_func, #process_func, #slaves, #validate_read_func, #validate_read_write_multiple_registers_func, #validate_write_coil_func, #validate_write_multiple_coils_func, #validate_write_multiple_registers_func, #validate_write_register_func, #with_slave

Methods included from RTU

#clean_input_buff, #crc16, #read, #read_rtu_request, #read_rtu_response, #serve

Methods included from Debug

#log, #logging_bytes

Constructor Details

#initialize(port = 10002, opts = {}) ⇒ RTUViaTCPServer

Init server

Parameters:

• port (Integer) (defaults to: 10002) —

  listen port

• uid (Integer) —

  slave device

• opts (Hash) (defaults to: {}) —

  options of server

Options Hash (opts):

• :host (String) —

  host of server default ‘127.0.0.1’

• :max_connection (Float, Integer) —

  max of TCP connection with server default 4

# File 'lib/rmodbus/rtu_via_tcp_server.rb', line 29

def initialize(port = 10002, opts = {})
    opts[:host] = DEFAULT_HOST unless opts[:host]
    opts[:max_connection] = 4 unless opts[:max_connection]
	super(port, host = opts[:host], maxConnection = opts[:max_connection])
end