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Fieldbus Comparison

Comparison and Useful Links

 

. 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

 

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