two threads connection rmodbus.rb

#require "plc_engine/daemons/plc_reading_engine"
#require "plc_engine/daemons/plc_writing_engine"

require 'colorize'
require 'rmodbus'
ip="10.0.0.2"
sl1 = ModBus::TCPClient.new(ip).with_slave(1)
sl2 = ModBus::TCPClient.new(ip).with_slave(1)

Thread.new do
  loop { puts sl2.holding_registers[0..10]; puts "outside thread".green }
end
Thread.new do
  loop { sl1.holding_registers[0..10]; puts "inside thread".red }
end