-------------------------------------------------------------------------------- THE SYNERGETIC FIELDBUS COMPARISON CHART BACKGROUND INFORMATION Fieldbus Name Technology Developer Year Introduced Governing Standard Openness PROFIBUS DP/PA Siemens DP-1994, PA-1995 EN 50170 / DIN 19245 part 3(DP) /4 (PA), IEC 1158-2 (PA) ASICs from Siemens and Profichip, Products from over 300 vendors INTERBUS-S Phoenix Contact, Interbus Club 1984 DIN 19258 EN 50.254 Products from over 400 manufacturers DeviceNet Allen-Bradley March 1994 ISO 11898 &11519 17 chip vendors, 300+ product vendors, Open specification ARCNET Datapoint 1977 ANSI/ATA 878.1 Chips, boards, ANSI docs AS-I AS-I Consortium Fall 1993 Submitted to IEC AS-II.C. Market item Foundation Fieldbus H1 Fieldbus Foundation 1995 ISA SP50/IEC 61158 Chips/software/products from multiple vendors Foundation Fieldbus High Speed Ethernet (HSE) Fieldbus Foundation In development - lab test phase, Prelim spec available to members IEEE 802.3u RFC for IP, TCP & UDP Multitude of suppliers for Ethernet components, Extremely low cost IEC/ISA SP50 Fieldbus ISA & Fieldbus F. 1992 - 1996 IEC 1158/ANSI 850 Multiple chip vendors Seriplex APC, Inc. 1990 Seriplex spec Chips available multiple interfaces WorldFIP WorldFIP 1988 IEC 1158-2 Multiple chip vendors LonWorks Echelon Corp. March 1991 Public documentation on protocol SDS Honeywell Jan., 1994 Honeywell Specification, Submitted to IEC, ISO11989 17 chip vendors, 100+ products ControlNet Allen-Bradley 1996 ControlNet International Open Specification, 2 Chip Vendors CANopen CAN In Automation 1995 CiA 17 chip vendors, 300 product vendors, Open specification Ethernet DEC, Intel, Xerox 1976 IEEE 802.3, DIX v. 2.0 Multitudes of Chips and Products Modbus Plus Modicon Proprietary, requires license/ASICs Modbus RTU/ASCII Modicon EN 1434-3 (layer 7) IEC 870-5 (layer 2) Open specification, no special hardware required Remote I/O Allen-Bradley 1980 Proprietary Data Highway Plus (DH+) Allen-Bradley Proprietary PHYSICAL CHARACTERISTICS Fieldbus Name Network Topology Physical Media Max. Devices (nodes) Max. Distance PROFIBUS DP/PA Line, star & ring Twisted-pair or fiber 127 nodes (124 slaves - 4 seg, 3 rptrs) + 3 masters 100m between segments @ 12Mbaud; 24 Km (fiber) (baudrate and media dependent) INTERBUS-S Segmented with "T" drops Twisted-pair, fiber, and slip-ring 256 nodes 400 m/segment, 12.8 Km total DeviceNet Trunkline/dropline with branching Twisted-pair for signal & power 64 nodes 500m (baudrate dependent) 6Km w/ repeaters ARCNET Star, bus, distributed star Coax, Twisted-pair, Fiber 255 nodes Coax 2000 feet; Twisted pair 400 feet; Fiber 6000 Feet AS-I Bus, ring, tree star, of al Two wire cable 31 slaves 100 meters, 300 with repeater Foundation Fieldbus H1 Star or bus Twisted-pair, fiber 240/segment, 65,000 segments 1900m @ 31.25K wire Foundation Fieldbus HSE Star Twisted-pair, fiber IP addressing - essentially unlimited 100m @ 100Mbaud twisted-pair 2000m @ 100Mbaud fiber full duplex IEC/ISA SP50 Fieldbus Star or bus Twisted-pair fiber, and radio IS 3-7 non IS 128 1700m @ 31.25K 500M @ 5Mbps Seriplex Tree, loop, ring, multi-drop, star 4-wire shielded cable 500+ devices 500+ ft WorldFIP Bus Twisted-pair, fiber 256 nodes up to 40 Km LonWorks Bus, ring, loop, star Twisted-pair, fiber, power line 32,000/domain 2000m @ 78 kbps SDS Trunkline/Dropline Twisted-pair for signal & power 64 nodes, 126 addresses 500m (baudrate dependent) ControlNet Linear, Tree, Star, or Combination Thereof Coax, fiber 99 nodes 1000m (coax) 2 nodes 250m with 48 nodes 3km fiber; 30km fiber w/ repeaters CANopen Trunkline/Dropline Twisted Pair + optional Signal & Power 127 Nodes 25-1000m (baudrate dependent) Industrial Ethernet Bus, Star, Daisy-Chain Thin Coax, Twisted Pair, Fiber; Thick Coax (rare) 1024 nodes, expandable to more via Ro