Class: ModBus::TCPSlave

Inherits:
Slave
  • Object
show all
Defined in:
lib/rmodbus/tcp_slave.rb

Overview

TCP slave implementation

Examples:

TCP.connect('127.0.0.1', 10002) do |cl|
  cl.with_slave(uid) do |slave|
    slave.holding_registers[0..100]
  end
end

See Also:

Constant Summary

Constants inherited from Slave

Slave::Exceptions

Instance Attribute Summary collapse

Attributes inherited from Slave

#uid

Attributes included from Options

#raise_exception_on_mismatch, #read_retries, #read_retry_timeout

Attributes included from Debug

#debug, #raise_exception_on_mismatch, #read_retries, #read_retry_timeout

Instance Method Summary collapse

Methods inherited from Slave

#coils, #discrete_inputs, #holding_registers, #input_registers, #mask_write_register, #query, #read_coils, #read_discrete_inputs, #read_holding_registers, #read_input_registers, #write_multiple_coils, #write_multiple_registers, #write_single_coil, #write_single_register

Constructor Details

#initialize(uid, io) ⇒ TCPSlave

Returns a new instance of TCPSlave.

See Also:

  • Slave::initialize


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# File 'lib/rmodbus/tcp_slave.rb', line 17

def initialize(uid, io)
  @transaction = 0
  super(uid, io)
end

Instance Attribute Details

#transaction ⇒ Object (readonly)

Returns the value of attribute transaction.



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# File 'lib/rmodbus/tcp_slave.rb', line 14

def transaction
  @transaction
end