snap7erl

Erlang only version of https://github.com/valiot/snapex7

Note: the snap7 sources are included in this library at the moment.

Supported architectures

Sucessfully builds and tested on:

• Linux i386
• Linux x86_64
• Linux armv6
• Linux armv7
• Linux armv7l

Build

$ rebar3 compile

Start

$ rebar3 shell

Useage

%% start a client
{ok, Client} = snapclient:start([]).

%% connect to a S7
ok = snapclient:connect_to(Client, [{ip, <<"127.0.0.1">>}, {slot, 1}, {rack, 0}]).

%% read a DB with addressing
A = <<"DB4.DBR2">>,
ParamList = s7addr:parse(A, return_list), 
snapclient:db_read(Client, ParamList).