在由现场总线构成的控制系统FCS中，仪表已发展成为具有综合功能的智能仪表，也就是具有过去实现仪表控制的DCS的功能。现场控制器实际上是过去PLC功能的分散，它代替了用于电气传动控制的PLC。从以上两点不难看出，现场总线控制系统FCS，正是一个实现电气传动控制、仪表控制和计算机控制一体化的系统结构，而这种结构恰恰是钢铁工业自动化用的较多而又急需的控制系统结构。
目前，较为流行的现场总线有FF、LonWorks、Profibus、WorldFIP、CAN、HART(过渡协议)等，这些现场总线和过渡协议在我国(主要是北京)都有了代表处或挂靠单位，并且大多数都有不同程度的开发和应用。其中FF和HART列入"九五"攻关项目，参加现场总线智能仪表的研究开发单位主要有：西安仪表集团、上海工业自动化仪表研究所、重庆工业自动化仪表研究所、上海自动化仪表股份公司、重庆川仪集团、北京华控技术公司等，专门攻克HART协议和FF协议通信软硬件技术难关。
目前，较流行的现场总线中，FF、Profibus、LonWorks、CAN\HART协议书籍报刊上介绍的比较多，其中HART和LonWorks在我国开发和应用较多。下面只简单介绍一下WorldFIP的情况。
ALLEN BRADLEY 110/115-120VAC COIL SIZE 1 27A REVERSING STARTER 505-BOD SER. A
ALLEN BRADLEY PERMANENT MAGNET DC SERVO MOTOR 1326DP-S2C
ALLEN BRADLEY 24VDC SINK INPUT / SOURCE OUTPUT MODULE 1794-IB16X0B16P SER. A
ALLEN BRADLEY PUSHBUTTON SER.A 800MR-HX2B / 800M-XAK 100166
ALLEN BRADLEY SER.C COMMONING LINK 140-L1
ALLEN BRADLEY 46715-917-01 WITH 46715-930-01
ALLEN BRADLEY 24VDC SINK INPUT MODULE 1734-IB4 SER. B W/ BASE
ALLEN BRADLEY CONTACT BLOCK SER A D5-3X01V
ALLEN BRADLEY 115V CONTROL INTERFACE DRIVE ACCESSORY SER.B 1336-L6
ALLEN BRADLEY CONTACT BLOCK X-379482
ALLEN BRADLEY B44 THERMAL OVERLOAD HEATER UNIT
ALLEN BRADLEY 871C-E4B12 CYLINDRICAL INDUCTIVE PROXIMITY SENSOR
ALLEN BRADLEY 1336S 1HP AC DRIVE 1336S-BRF10-AA-?EN5-HA1-L6 SER. E
ALLEN BRADLEY N7 OVERLOAD RELAY HEATER ELEMENT
ALLEN BRADLEY PROXIMITY SENSOR 875CP-D8NP18-A2 SERIES A 8MM
ALLEN BRADLEY CIRCUIT BOARD S/S 90037632 BROKEN FIBER CONNECTOR
ALLEN BRADLEY 24VDC 3-POLE Ser.B CONTACTOR 100-C72DJ00
ALLEN BRADLEY PRE-WIRED FACTORY SEALED LIMIT SWITCH 802M-AZJ1 SER. A
ALLEN BRADLEY 1772-LX PLC 2/16 PROCESSOR SER. B
ALLEN BRADLEY HEAVY DUTY ENCLOSURE COVER 800H-NP30 SER. X
ALLEN BRADLEY 110/120VAC COIL STARTER 715X-BOD11 SER. L
ALLEN-BRADLEY PRE-WIRED LIMIT SWITCH 802M-NX22 SER. A
ALLEN BRADLEY 120VAC RELAY 700-HA32A1 SER. A LOT OF 3
ALLEN BRADLEY 250V 4A 5-PIN 5M QD CORDSET 889R-F5ECA-5 SER. B SEALED
ALLEN BRADLEY ANALOG OUTPUT MODULE 1771-OFE1/B SER-B F/W-B REV-W01
ALLEN BRADLEY 1A-2.9A OVERLOAD RELAY 193-A2D1 SER A
ALLEN BRADLEY SIZE 5 270A 2-POLE 110/120V COIL WELDING CONTACTOR 100W-B300ND2
ALLEN BRADLEY SIZE 1 460-480V MOTOR STARTER 509-BOB SER. B
ALLEN BRADLEY 1.5 INCH RADIUS NYLON FORKED ROLLER LEVER 802T-W4 SEALED
ALLEN BRADLEY REMOTE I/O SCANNER DISTRIBUTION PANEL 1772-SD2 SER. A F/W REV. 4
ALLEN BRADLEY CIRCUIT BREAKER 2P 6A 1492-ACB G060
ALLEN BRADLEY 12-32 RANGE OVERLOAD RELAY 193-A2H1 SER. A
ALLEN BRADLEY C43 Ser.A 690V 10A AC-1 CONTACTOR 100-S
ALLEN BRADLEY 3R SINGLE PHASE TRANSFORMER SER.A 1497D-A13-M10-0?-N 105114
ALLEN BRADLEY 15HP VARIABLE SPEED AC DRIVE 1336-B015-EOE-F?A2-L3-S1 SER. A
ALLEN BRADLEY 30HP CONSTANT TORQUE 3-PH AC DRIVE B030-EAF-FA2-L3?-S1 REPAIRED
ALLEN BRADLEY MINI-PLC-2/17 PROCESSOR MODULE 1772-LW SER. D F/W REV.F
ALLEN BRADLEY 110/115-120VAC COIL NEMA SIZE 1 27A STARTER 509-BOXWD SER. B
ALLEN BRADLEY 133-BRF100-AA-E?N4-HA2-L6 AC DRIVE
ALLEN BRADLEY SIZE 4 200/230/460/575?V 40/50/100HP COMBI-STARTER 512-W627971/1
ALLEN BRADLEY 110/115-120VAC COIL TYPE P AC RELAY 700-P400A1 SER. B LOT OF 10
ALLEN BRADLEY CONTROL RELAY SER B 700-C200A2
ALLEN BRADLEY SELECTABLE CONTACT OUTPUT MODULE 1 1771-OW
ALLEN BRADLEY 800T-FXJ6A5 600 VOLTS SERIES T PUSH BUTTON SWITCH
ALLEN BRADLEY 6 AXIS SLIM POWER RAIL 2094-PRS6 SER-A
ALLEN BRADLEY BLACK PUSHBUTTON SWITCH 800MR-A2 SER A
MARSH 0-3000PSI 1/2"NPT BOTTOM MOUNT SAFECASE PRESSURE GAUGE 097973
ALLEN BRADLEY SLC 500 OUTPUT MODULE 1746-OB8 SER. A
ALLEN BRADLEY 800T-FXJ6A5 600 VOLTS SERIES T PUSH BUTTON SWITCH
ALLEN BRADLEY 6 AXIS SLIM POWER RAIL 2094-PRS6 SER-A
ALLEN BRADLEY BLACK PUSHBUTTON SWITCH 800MR-A2 SER A
MARSH 0-3000PSI 1/2"NPT BOTTOM MOUNT SAFECASE PRESSURE GAUGE 097973
ALLEN BRADLEY SLC 500 OUTPUT MODULE 1746-OB8 SER. A
ALLEN-BRADLEY SIZE 0 TWO SPEED SEPARATE WINDING MULTI-SPEED STARTER 715-AJB11
ALLEN BRADLEY 24VDC COIL STARTER 190S-CNDJ2-CB63?C SER. B
ALLEN BRADLEY CYLINDER POSITION SENSOR 871C BW2N260-R3
ALLEN BRADLEY 30A 3-POLE CIRCUIT BREAKER 1492-CB3 G300 SER. B W/ 1492-ACB SER. B
ALLEN BRADLEY 24VAC/DC 0.271A STEADY INCANDESCENT STACK LIGHT 855T-B24DN4
ALLEN BRADLEY AXULLIARY CONTACTS FRONT MOUNT 100-FA20
ALLEN BRADLEY 100A 600VAC-250VDC 3 POLE DISCONNECT SWITCH 1494V-DS100 SER. A
ALLEN BRADLEY 60A 600V 3 POLE TRAILER FUSE BLOCK 1494V-FSR636 SER. A
ALLEN BRADLEY 600VAC MAX 10A MAX PRE WIRED LIMIT SWITCH 802M-XY5 SER. B
ALLEN BRADLEY HIGH PERFORMANCE AC INDUCTION MOTOR 8720SM-011-S1-D?B-S-0-01
ALLEN BRADLEY ADJUSTABLE FREQUENCY AC DRIVE 1336S-BRF100-AN?-DE4 SER. D
ALLEN BRADLEY CONTACT CARTRIDGE SER. A 700-C2
ALLEN BRADLEY INDUSTRIAL WORKSTATION HALOGEN LAMPS 6169LT/A
ALLEN BRADLEY 3 POLE FUSIBLE DISCONNECT SWITCH 40021-558-02
ALLEN BRADLEY SP-50386 REAL PART POWER SUPPLY REV 05 30-50 Hp
ALLEN BRADLEY 110/120 V COIL 9A CONTACTOR 100-A09ND3 SER. B
ALLEN BRADLEY 800T-N122G SERIES B SMALL PILOT LIGHT CAP LOT OF 5 SEALED
ALLEN BRADLEY 1.0-2.9A OVERLOAD RELAY 193-EA1DB SER. B
ALLEN BRADLEY 1.1A 5-24VDC LIMIT SWITCH 802M-NX10 SER. A
ALLEN BRADLEY MOTOR STARTER SIZE-2 SER.K 845315 103625
ALLEN BRADLEY TERMINAL BLOCKS 1734-RTB3 LOT OF 5
ALLEN BRADLEY BULLETIN 500L CONTACT KIT SIZE 1 /1 POLE 40410-331-54
ALLEN BRADLEY 40-250V AC/DC 3-PIN PROXIMITY SENSOR 871TM-B2N12-N3
ALLEN BRADLEY 120V 1.0S-180S OFF DELAY 700-HT22BA1 SERIES A ALLEN BRADLEY 120
ALLEN BRADLEY 10-30VDC 4-PIN PROXIMITY SWITCH 872C-M8NN18-D4
ALLEN BRADLEY 4A 3-POLE CIRCUIT BREAKER 1492-CB3 G040 SER. B
ALLEN BRADLEY TYPE PL MECHANICAL LATCH UNIT 700-PLLA1 / 700-PL400A1 / 700-P400A1
ALLEN BRADLEY 110/115-120VAC COIL NEMA SIZE 1 27A CONTACTOR 500-BOD940 SER. B
ALLEN BRADLEY WHITE LED CONTACT MODULE W/ LATCH SER.A 800F-MN3WX10 99363
ALLEN BRADLEY 1/2HP 5A SINGLE POLE CIRCUIT BREAKER 1492-CB1 G 050
ALLEN BRADLEY 100A 600VAC/250VDC 3 POLE DISCONNECT SWITCH 1494V-DS100 SER. C
ALLEN BRADLEY 800MR-JK2B 3 POSITION SELECTOR SWITCH
ALLEN BRADLEY 3-15A OVERLOAD RELAY SER.B 592-EC2BC
ALLEN BRADLEY 24A CONTACTOR SER.C 100-A24ND3
ALLEN BRADLEY SLC 500 7-SLOT RACK 1746-A7 SER. A
ALLEN BRADLEY 1492-CE6 SERIES B TERMINAL BLOCKS LOT OF 6
ALLEN BRADLEY SINGLE POLE 3A CIRCUIT BREAKER 1492-SP1C030 SER. C
ALLEN BRADLEY SIZE 1 TYPE 7 HAZARDOUS LOCATION STARTER CAT. 712BEA SER. K
ALLEN BRADLEY 110/115-120VAC COIL 18A SIZE 0 MOTOR STARTER 509-AOA SER. B
ALLEN BRADLEY 15A 10HP SER C MOTOR CONTROLLER 1492-CB3 G150
ALLEN BRADLEY HEATER ELEMENT W52
ALLEN BRADLEY PRE-WIRED CABLE FOR DIGITAL I/O 1492-CABLE025H
ALLEN BRADLEY WHITE PILOT LIGHT LENS SER.A 800MR-N1W LOT OF 3
ALLEN BRADLEY FLEX I/O TERMINAL BASE 1794-TB3 SER. A
ALLEN BRADLEY BLANK SLOT FILLER ARM 1778-AF
ALLEN BRADLEY 1336 IMPACT Adjustable Frequency AC Drive User Manual
ALLEN BRADLEY MATGUARD SAFETY MAT 440F-M1015BYNN
ALLEN BRADLEY 7.5HP 1336 AC DRIVE CONTROL BOARD 151084 RV. 02
ALLEN BRADLEY ENHANCED PLC 5 CONTROLLER MODULE 1785-L20B SER. E
ALLEN BRADLEY 110/110-120VAC COIL 16A CONTACTOR 100-MO9N3 SER. A
ALLEN BRADLEY 120V PRE-WIRED FACTORY SEALED LIMIT SWITCH 802M-DJ1NF SER. C
ALLEN BRADLEY CABLE ASSEMBLY 1784-CP3/B
ALLEN BRADLEY 6A 1-POLE CIRCUIT BREAKER SER.B 1492-CB1G060
ALLEN BRADLEY OVERLOAD RELAY 193-BSB 12 B LOT OF 6
ALLEN BRADLEY 5-PIN QUICK DISCONNECT CHAMBER TERMINAL 871A-TS5-N1 SER. A
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ALLEN BRADLEY 24VDC COIL 45A CONTACTOR 100-A45NZJ3 SER. B
ALLEN BRADLEY MEMORY PROTOCOL CARTRIDGE 2760-SFC2
ALLEN-BRADLEY HARDWARE KIT 40394-472-02
ALLEN-BRADLEY HARDWARE KIT 40394-317-51
ALLEN BRADLEY 6-140 PSI PRESSURE CONTROL 836-A2JX9 SER. A
ALLEN BRADLEY 160-DN2 DEVICENET COMMUNICATION MODULE USER MANUAL
ALLEN BRADLEY 10A 120VAC SER.A CONTROL RELAY 700-HK36A1
ALLEN BRADLEY ROLLER LEVER SER B 802T-W1G
ALLEN BRADLEY LOCK ATTACHMENT 800T-N2 SER. A
ALLEN BRADLEY HEATER ELEMENT N8 LOT OF 10
ALLEN BRADLEY OPERATING COIL 5A11
ALLEN BRADLEY 5A 2-POLE CIRCUIT BREAKER SER.C 1492-SP2C050
ALLEN BRADLEY 10-30VDC 4 PIN PROXIMITY SENSOR 871ZT-NB12NP18-?D4
ALLEN BRADLEY FLEX I/O MODULE SER.B 1794-IE4X0E2
ALLEN BRADLEY 16 SLOT I/O CHASSIS 1771-A4B
ALLEN BRADLEY 110/115-120V COIL 27A SIZE 1 REVERSING STARTER 505-BOD-A2C SER. C
ALLEN BRADLEY FORKED ROLLER 802T-W4B
ALLEN BRADLEY 595-A02 SERIES A AUXILIARY CONTACT
ALLEN BRADLEY VISION INPUT MODULE 2803-VIM2 SER. A
ALLEN BRADLEY POSITION SELECTOR 800MS-JG2BLAS
ALLEN BRADLEY SELF-CONTAINED PROXIMITY 802PR-LBAH1
ALLEN BRADLEY 6A 24VDC RELAY SER.D 700-HAB3Z24-3-4
ALLEN BRADLEY 199-FSMA10 50-125 VOLT SERIES B SURGE SUPPRESSOR LOT OF 3
ALLEN BRADLEY TYPE RT SOLID STATE TIMER RT00N200A1 SER.B
ALLEN BRADLEY 1MEG LOGIC PROCESSOR MODULE 5250-LP3/B 96802480
ALLEN BRADLEY 1336 PLUS SENSORLESS VECTOR 460V AC DRIVE 1336S BRF30 AA EN HA1 L6
ALLEN-BRADLEY SMP-1 1.0-2.9A OVERLOAD RELAY 193-A1D1 LOT OF 3
ALLEN BRADLEY 1336/1336VT TRANSISTOR 140141
ALLEN BRADLEY RED PUSHBUTTON SER.T 800T-FX A1
ALLEN BRADLEY RELAY 700-HA32Z24 LOT OF 3
ALLEN BRADLEY 12A SER.B STARTER 100-A12NZ3
ALLEN BRADLEY 15MM INDUCTIVE PROXIMITY SENSOR C15R30 SER-A REV-C
ALLEN BRADLEY FLEX INTEGRA 24VDC SINK INPUT 1793-IB4
ALLEN BRADLEY 193-EPM1 DIN RAIL / PANEL ADAPTER
ALLEN BRADLEY 3 POLE 0-30 AMP 600V FUSE HOLDER -
ALLEN BRADLEY ControlLogix LOGIX 5500 PROCESSOR UNIT 1756-L1 SER. A F/W REV 4.42
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