What is profibus?

Further information

n/a

Area of application

n/a

Medium

Wired

Netzwerk Topologie

Bus, Star, Ring

Supported transmission media

Twisted pair, Electric grid, Optical fiber

Related standards (specific standards to which each protocol can be assigned.)

IEC 61158/61784-1,EN 50170

Implemented security mechanisms

Profibus itself doesn't have built-in security features for encryption or authentication

Bandwidth

9,6 Kbps – 12 Mbps

Frequency

Not applicable

Range

Varies significantly depending on network infrastructure

Devices (maximum number of devices that can be networked)

n/a

Data model architecture (data model in which the information/attributes are added to an object)

Data blocks

Discovery (Function to automatically identify devices on the network)

No

Multi Master (Can several master devices act at the same time?)

Yes

Packet size (data packet size that can be transmitted according to Maximum Transmission Unit)

n/a

Priority (how the changes/updates are made)

Low priority message cycles are only executed if there are no high priority messages pending

Cost to enable hardware support for additional protocols (Low, Average, High)

n/a

Implemented OSI layers (Application, Presentation, Session, Transport, Network/Packet, Data Link, Physical)

Bitübertragungsschicht, Sicherungsschicht, Anwendungsschicht

Levels of building automation (field level, automation level, management level)

Field level, Automation level

Link

https://www.profibus.com/technology/profibus/