Crate plctag_core

Expand description

plctag-core

a rust wrapper of libplctag, with rust style APIs and useful extensions.

How to use

Add plctag-core to your Cargo.toml

[dependencies]
plctag-core= "0.1"

Examples

read/write tag

use plctag_core::{Encode, Decode, RawTag, ValueExt};
let timeout = 100;//ms
let path="protocol=ab-eip&plc=controllogix&path=1,0&gateway=192.168.1.120&name=MyTag1&elem_count=1&elem_size=16";// YOUR TAG DEFINITION
let tag = RawTag::new(path, timeout).unwrap();

//read tag
let status = tag.read(timeout);
assert!(status.is_ok());
let offset = 0;
let value:u16 = tag.get_value(offset).unwrap();
println!("tag value: {}", value);

let value = value + 10;
tag.set_value(offset, value).unwrap();

//write tag
let status = tag.write(timeout);
assert!(status.is_ok());
println!("write done!");