Class: ModBus::RTUClient

Inherits:

Client

• Object
• Client
• ModBus::RTUClient

show all

Includes:

RTU, SP

Defined in:

lib/rmodbus/rtu_client.rb

Overview

RTUClient.connect('/dev/ttyS1', 9600) do |cl|
  cl.with_slave(uid) do |slave|
    slave.holding_registers[0..100]
  end
end

Constant Summary

Constant Summary

Constants included from RTU

ModBus::RTU::CHUNK_SIZE, ModBus::RTU::CrcHiTable, ModBus::RTU::CrcLoTable

Instance Attribute Summary

Attributes included from SP

#baud, #data_bits, #parity, #port, #read_timeout, #stop_bits

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)

• - (Object) get_slave(uid, io) protected
• - (Object) open_connection(port, baud = 9600, opts = {}) protected

  Open serial port.

Methods included from SP

#open_serial_port

Methods included from RTU

#clean_input_buff, #crc16, #read_rtu_pdu, #read_rtu_request, #read_rtu_response, #send_rtu_pdu, #serv_rtu_requests

Methods inherited from Client

#close, #closed?, #initialize, #with_slave

Methods included from Debug

#log, #logging_bytes

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# File 'lib/rmodbus/rtu_client.rb', line 35

def get_slave(uid, io)
  RTUSlave.new(uid, io)
end

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# File 'lib/rmodbus/rtu_client.rb', line 31

def open_connection(port, baud=9600, opts = {})
  open_serial_port(port, baud, opts)
end