FIELDBUS PORTAL - Comparison and Useful Links

see also: Fieldbus Classification

.	Master	Topology	max. Segment Length	max Speed	Wire	max Stations	max data/PDU	Layer 2 Imple- mentation	Standard	URL
ASI	single	bus tree	100m	167kb/s	2	32	4 bits	chip	EN50295	http://www.as-interface.com
BITBUS	multi	bus	300m @ 75kb/s	375kb/s	2	251	248-bytes	chip	IEEE1118	http://www.bitbus.org
CAN	multi	bus	500m @125kb/s 40m @ 1Mb/s	1Mb/s	2	64	8 bytes	chip	ISO11898 ISO11519	http://www.can-cia.de
ControlNet	multi	bus star tree	5km 250m/48 nodes	5Mb/s	coax	99	510 bytes	ASIC	open specified	http://www.controlnet.org
DeviceNet	multi	bus	500m @125kb/s 100m @500kb/s	500kb/s	4	64	8 bytes	chip	open specified	http://www.odva.org
Foundation Fieldbus	multi	bus	2000m 9.5km total	31.25kb/s	2	240	246 bytes	chip	open specified	http://www.fieldbus.org
FIP	multi	bus	2000m @ 1Mb/s	2.5Mb/s	2	256	32 bytes	chip	EN50170	http://www.worldfip.org
INTERBUS	single	ring	12.8km	500kb/s	2/8	255	64 bytes	chip	EN50253	http://www.interbusclub.com
LON	multi	bus tree	6.1km @ 5kb/s	1.2Mb/s	2	2	228 bytes	chip	ANSI	http://www.echelon.com
Modbus plus	multi	bus	1.8km	1Mb/s	2	32	32 bytes	chip	proprietary	http://www.modicon.com
P-Net	multi	bus tree	1200m	76.8kb/s	2	32masters 125 slaves	56 bytes	chip	EN50170	http://www.p-net.dk
PROFIBUS FMS	multi	bus	19.2km @9.6kb/s 200m @500kb/s	500kb/s	2	127	246 bytes	chip/sw	EN50170	http://www.profibus.com
PROFIBUS DP	multi	bus	1km @12Mb/s (4 repeater)	12Mb/s	2	127	246 bytes	ASIC	EN50170	http://www.profibus.com
PROFIBUS PA	single	bus	1.9km	93.75kb/s	2	32	246 bytes	ASIC	EN50170	http://www.profibus.com
PROFINET	single	bus	NA	100Mb/s	4	NA	1.5kB	ASIC	IEC61158	http://www.profinet.com/
Ethernet POWERLINK	single	bus	NA	100Mb/s	4	NA	1.5kB	ASIC	IEC61158	http://www.ethernet-powerlink.org
EtherCAT	single	bus	NA	100Mb/s	4	NA	1.5kB	chip	IEC61158	http://www.ethercat.org
SERCOS	single	ring	250m	16Mb/s	2/fiber	245	16 bytes	ASIC	IEC61491	http://www.sercos.org
Seriplex	single	bus	1000 feet	~250kb/s	4	510	32 bytes	ASIC	proprietary	http://www.seriplex.org
SwiftNet	multi	bus	360m	5Mb/s	2	>1024	896 bytes	ASIC	proprietary	http://www.shipstar.com