farmitry_hvac/app/services/modbus/commands/bit_input.rb

# Modbus::Service.new(plc_id: 1, type: "bit_input", start_address: 0, end_address: 15).execute
module Modbus
  module Commands
    def bit_input(slave)
      read_bit(slave, :discrete_inputs)
    end
  end
end