//
//  Licensed to the Apache Software Foundation (ASF) under one or more
//  contributor license agreements.  See the NOTICE file distributed with
//  this work for additional information regarding copyright ownership.
//  The ASF licenses this file to You under the Apache License, Version 2.0
//  (the "License"); you may not use this file except in compliance with
//  the License.  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

== CANopen

CANopen is communication protocol built on top of CAN.
CAN is a popular link layer standard which allows exchanging data between nodes and build multi-node applications.
All nodes can broadcast their information to the buss allowing fast data exchanges without necessity to coordinate over a single "master" node.
CANopen is a specific protocol built on top of CAN bus.

The CAN in Automation (CiA) organization is responsible for releasing CANopen specification.
It has built number of application layer protocols on top of CAN, CANopen is one of them.

It is possible to obtain a copy of specification from CiA website.
Please refer the official materials for more details on protocol and its constructs.

Apache PLC4X is open source project.
It is not a certified product.

=== Links

- https://www.can-cia.org/canopen[CAN in Automation] organization managing specification.
- Public materials published by CAN in Automation: https://www.can-cia.org/en/download/
- CAN in Automation membership: https://www.can-cia.org/about-us/member-benefits/
- Further device profiles built on top of CANopen: https://cia-productguides.org/canopen/profiles/
