Glossary
ET 200M
260 Operating Instructions, 04/2022, EWA-4NEB7806006-09
PROFIBUS
Process Field BUS: a process and field bus protocol defined in the PROFIBUS standard
IEC 61784 1:2002 Ed1 CP 3/1. This standard specifies the operational, electrical and
mechanical properties of a bit-serial field bus system.
PROFIBUS is a bus system that connects PROFIBUS compatible automation systems and field
devices on a cell and field level. PROFIBUS is available with the following protocols: DP
(= Dezentrale Peripherie, distributed IO devices), FMS (= fieldbus message specification) or TF
(= technological functions).
PROFIBUS address
Each bus node must receive a PROFIBUS address to identify it uniquely on the PROFIBUS DP.
PC / PD or the ET 200 Handheld have the PROFIBUS address "0".
DP masters and DP slaves use a PROFIBUS address in the range between 1 and 125.
PROFIBUS DP
PROFIBUS bus system with DP protocol. DP is the abbreviation of the German term 'dezentrale
Peripherie' (distributed I/O). The ET 200 distributed I/O system is based on standard
IEC 61784-1:2002 Ed1 CP 3/1.
PROFIBUS International
Technical committee dedicated to the definition and development of the PROFIBUS and
PROFINET standard.
Also known as the PROFIBUS User Organization membership corporation (PNO.)
Homepage: www.profibus.com
PROFINET
Within the framework of Totally Integrated Automation (TIA), PROFINET represents a
consistent enhancement of:
PROFIBUS DP, the established field bus, and
• Industrial Ethernet, the communications bus for the cell level.
• Experience gained from both systems was and is being integrated into PROFINET.
PROFINET is an Ethernet-based automation standard of PROFIBUS International (previously
PROFIBUS Users Organization e.V.), and defines a multi-vendor communication, automation,
and engineering model. PROFINET has been part of the standard IEC 61158 since 2003.
See PROFIBUS International
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