List of Abbreviations

Automation Device Specification (disclosed protocol for the communication of all BECKHOFF controllers)

DAP

Device Access Point

I/O

Inputs and outputs

E-bus

Designation for EtherCAT terminals in the terminal group (ELxxxx, ESxxxx, or EMxxxx)

EtherCAT

EtherCAT (Ethernet for Control Automation Technology) is the Ethernet solution for industrial automation, characterized by outstanding performance and particularly simple handling.

Fast Ethernet

Data rate 100 Mbits/s according to the 100 Base-T standard.

IP20

Protection class of the Bus Terminals, EtherCAT Terminals

IPC

Industrial PC

IoT

Internet Of Things

K-bus

Terminal bus (KLxxxx, KMxxxx or KSxxxx terminals)

MQTT

MQTT is an open network protocol for machine-to-machine (M2M) communication. An MQTT server ("broker") holds all the data of its communication partners and can thus be used as a state database.

OPC UA

OPC Unified Architecture (OPC UA) is a standard for data exchange as a platform-independent, service-oriented architecture. Machine data (controlled variables, measurements, parameters, etc.) are not only transported, but also semantically written in a machine-readable form.

PE

The PE power contact can be used as a protective earth.

TwinCAT

The Windows Control and Automation Technology, programmer and configuration tool from the BECKHOFF company.