NAME

Device::Modbus::ASCII - Modbus ASCII communications for Perl

SYNOPSIS

 #! /usr/bin/env perl

 use Device::Modbus::ASCII::Client;
 use strict;
 use warnings;
 use v5.10;
 
 my $client = Device::Modbus::ASCII::Client->new(
    port     => '/dev/ttyUSB0',
    baudrate => 19200,
    parity   => 'even',
 );
 
 my $req = $client->read_holding_registers(
    unit     => 4,
    address  => 0,
    quantity => 2,
 );

 $client->send_request($req);
 my $resp = $client->receive_response;

DESCRIPTION

This distribution implements the Modbus ASCII protocol on top of Device::Modbus. It includes only a client, Device::Modbus::ASCII::Client, which is based on Device::Modbus::Client. See this last module for the core of the documentation.

THANKS

This distribution came to life thanks to Stefan Parvu from Kronometrix. It was his motivation, dedication and support that made this module possible.

SEE ALSO

Other distributions

These are other implementations of Modbus in Perl which may be well suited for your application: Protocol::Modbus, MBclient, mbserverd.

GITHUB REPOSITORY

You can find the repository of this distribution in GitHub.

AUTHOR

Julio Fraire, <julio.fraire@gmail.com>

COPYRIGHT AND LICENSE

Copyright (C) 2017 by Julio Fraire This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.14.2 or, at your option, any later version of Perl 5 you may have available.