按现场控制站的应用软件通讯协议，查询帧为4个byte，模拟量模件、脉冲量模件的帧为20（头3位，数据16位，crc校验1位）byte，开关量模件的帧为6（头3位，数据2位，crc校验1位）byte，而每个现场控制站的dp主卡的双口ram包括输入3584byte、输出3584byte，每个现场控制站理论上可以带125个dp模块，主站与从站的握手协议包括诊断不大于20 byte。

　　因此，每一次轮巡的最大通讯量为：

　　3584+3584+125*20=9668byte

　　9668/187500=5.15%

　　可见，控制网络即使在全部测点按照最快扫描周期并且在极限传输量情况下，也处于十分空闲状态。因此profibus-dp的负荷率完全满足使用要求。

　　（2） ethernet网络负荷分析。ethernet通信采用tcp/ip协议，通讯有发送和确认控制。帧控制信息开销=12（帧间距）+8（同步码）+18（帧首、尾）+24（ip包首部）+24（tcp包首部）=86byte。由协议可知：

　　用户数据平均包长=1452（最大用户数据包长）/2=726byte，则：

　　平均用户数据利用率=用户数据平均包长/（发送帧控制信息开销+确认帧控制信息开销+用户数据平均包长）=726/（86+86+726）=80.85%

　　由上述分析可知，此dcs系统可以满足稳定的控制要求，硬件系统有较大的冗余量，可以保证系统的稳定性。

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【主营产品】

1：Invensys Foxboro（福克斯波罗）：I/A Series系统，FBM（现场输入/输出模块）顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数据通信及处理等。

2：Invensys Triconex: 冗余容错控制系统、基于三重模件冗余（TMR）结构的最现代化的容错控制器。

3：Westinghouse（西屋）： OVATION系统、WDPF系统、WEStation系统备件。

4：Rockwell Allen-Bradley: Reliance瑞恩、SLC500/1747/1746、MicroLogix/1761/1763/1762/1766/1764、CompactLogix/1769/1768、Logix5000/1756/1789/1794/1760/1788、PLC-5/1771/1785等。

5：Schneider Modicon（施耐德莫迪康）：Quantum 140系列处理器、控制卡、电源模块等。

6：ABB：工业机器人备件DSQC系列、Bailey INFI 90等。

7：Siemens(西门子)：Siemens MOORE， Siemens Simatic C1，Siemens数控系统等。

8：Motorola（摩托罗拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。

9：XYCOM：I/O 、VME板和处理器等。

10：GE FANUC(GE发那科)：模块、卡件、驱动器等各类备件。

11：Yaskawa（安川）：伺服控制器、伺服马达、伺服驱动器。

12：Bosch Rexroth（博世力士乐）：Indramat，I/O模块,PLC控制器,驱动模块等。

13：Woodward（伍德沃德）：SPC阀位控制器、PEAK150数字控制器。

14:工业机器人系统备件。

ABB ACS143-2K7-3-U 46V AC Drive

ABB DSQC 236G YB560103-CD/26 AXIS DRIVE BOARD REMANNED

ABB AC Drive ACS300 (3541)

ABB ACS600 Drive 5 Hp #13797

ABB ACS301-2P7-1 AC Motor Drive Phase Converter 300 ser

ABB Frequency Drive AC ACS500 3 Phase  2 HP

ABB ACS200 AC Speed Control Drive Single To 3 Phase

ABB ACS501-007-4-00P5 7.5HP 460 VOLT 3 PHASE AC DRIVE

ABB DSQC 236C System Control Drive Unit DSQC236C

ABB ACH501-007-4-00P2 7.5 HP AC Drive w/ 380746 Board

ABB J032 DRIVE INPUT 208-460V OUTPUT 0-460V

ABB 3 HP AC VFD DRIVE ACH401600432 VARIABLE FREQUENCY

ACS501007400P5 ABB DRIVE 460 VOLT

ABB DRIVE 3PH 7.9A 3HP 3 HP ACS 143 ACS143-4K1-3-U

ABB ACS311-1P1-1 AC DRIVE XLNT

ABB ACS401600632 AC DRIVE 3PH XLNT

ABB INDUSTRIAL, ACS350-03U-04A1-4+J404, AC DRIVE 480V

ABB AC Inverter Motor Drive ACS101-K75-1 ACS101K751

ABB AC Drive ACS401600632 7.5 HP 7.5HP 3 PHASE 3PH

ABB Drive ACH 501-4-00P2 Series B (4104)

ABB ACS350-03U-04A1-4+J404 VFD AC SPEED DRIVE 2HP

ABB ACS201-4P9-3-00-10 AC DRIVE ACS200 Cheap

ABB ACS 3 HP, 460V drive P/N ACS 143-2K7-3

ABB ACS150-03E-02A4-4 INVERTER AC DRIVE 0.75kW 400V

ABB Servo drive Model # DSQC-236T

ABB variable frequency drive 10hp ACH501-010-4-LOP2

ABB - AC Drive - ACS 200

ABB Parajust G006, G00600A00 AC DRIVE

ABB variable frequency drive 15hp ACH501-015-4-LOP2

ABB ACH501003400P2 Adjustable Frequency AC Drive ACH500

ABB DRIVES RDNA-01 DEVICENET ADAPTER MODULE 1EA

ABB Drive ACS311-1PG-3, 3PH, 3Amp #11089

ABB ACS301-1P6-3 1HP 460V AC DRIVE NIB

ABB ACS301-4P1-1 3HP 230V AC DRIVENIB

ABB ACS311-2P1-1 AC Motor Drive Phase Converter 300 ser

ABB Drive ACS311-4P9-3 ACS3114P93 9.1 Amps 480 VAC

ABB ASEA BROWN BOVERI 3KW DRIVE

ABB ACS301-1P6-3 1HP 460V AC DRIVE NNB

ABB ACS150-03U-04A7-2, AC Drive 4.7 Amp Output

ABB MODEL ACS143-K75-1-U AC DRIVE

ABB ACH401600932 + A0CE0000 AC Drive 3PH 380-480V 15A

ABB ACS150-03U-07A5-2 AC DRIVE 2 HP SOFTWARE VERSION

ABB ACH550 VARIABLE SPEED DRIVE ACH550-PD-012A-4

ABB ACH550 VARIABLE SPEED DRIVE ACH550-PD-012A-4

ABB FREQUENCY DRIVE ACS311-1P1-1

ABB 3/4 HP Variable Frequency Drive Model ACS 200

ABB ACH550 VARIABLE SPEED DRIVE ACH550-PD-012A-4

ABB ACH501-005-2-00P2 VFD 5HP 16.8AMP DRIVE ACH500

ABB ACN634010060000300902 DRIVE ,

ABB Motor Drive ACS103-K75-1 ACS 100 Series

ABB Adjustable Frequency AC Drive ACS501-002-4-00P5 3HP

ABB ACS500 AC DRIVE MODEL# ACS501-005-4-00P5

ABB ACS500 AC DRIVE MODEL# ACS501-005-4-00P2

ABB DRIVE ACS550-U1-03A3-4,

ABB ACS150-03U-01A2-4 480V 1/2HP DRIVE  TEST QUANTITY

ABB ACS150-03U-04A1-4 480V 2HP DRIVE  TESTED LNC

ABB ACS350-03U-01A2-4 480V 1/2HP DRIVE  

ABB SERVO DRIVE UNIT R3HAB8802 DSQC 266T  

VERY NICE ABB AC SPEED CONTROL DRIVE MODEL ACS201-2P7-1

ABB ACS143-4K1-1-U 380/480V DRIVE 3HP 3PH

ABB ACS143-2K1-3-U AC DRIVE 1.5HP  NIB ACS1432K13U

ABB 5 HP AC VFD DRIVE ACS501-005-4-08P21 VOLT 440 - 500

ABB Drive ACS150-03U-02A4-4 ACS15003U02A44 1HP

ABB DRIVE, 1/2 HP, CONST TORQUE, ACS-143-K75-1

ABB ACS350-03U-04A7-2 1hp Drive Controller

ABB 2 AC Drive 240 VAC AC150-03U-01A2-4 240 VAC

5 HP ABB DRIVE 480 V  ACS350-03U-08A8-4+J404

ABB Drive Contactor EHDB 130 EHDB130 EHDB-130 240VDC

ABB AC Drive Model: ACS201-2P7-1

ABB Drive ACS501-010-2-00P2

ABB ACH 500 7.5HP Variable Speed Drive

ABB ACS350-03U-04A7-2 DRIVE (1 HP) BRAND

ABB Industries AC Drive Model# ACC-143-4K1-3-U

ABB 6062NZ10300A 1/4 IN. STREAMING TAPE DRIVE

ABB AC motor drive VS drive ACS 143-K75-3-U  NNB

ABB ACS141-1K1-1-U VFD AC Speed Drive ACS1411K11U

Reliance ABB VS Drives Push Button Control Station

ABB DRIVES SPEED CONTROL

ABB DRIVES SPEED CONTROL

ABB Robot S4 S4C S4C+ Floppy Disk Drive USB converter

ABB ACS141K751U AC DRIVE .5HP 230VAC

ABB Parajust F00332A40 AC Drive S7

ABB 2 HP AC VFD DRIVE ACS501-002-4-08P2 VOLT 440 - 500

ABB ACS103-K75-1 ACS 100 AC Drive ABB AC Drive ACS 100

ABB ACS150-03U-04A7-2 AC 1 HP Drive 200-240VAC  NNB

ABB YT212001-AE/1 YTEA250-8 Servo Drive Board

ABB ACS143-K75-1 DRIVE

ABB SNAT1444 Ref 243B407 drive PCB SNAT1444A1

abb drive ACS311-1P6- /1pc TRY TO MAKE AN OFFER

ABB AC Motor Drive ACS311-4P9-3 ACS3114P93 480 V 9.1A

ABB DRIVE WINDOW LIGHT HARDWARE NPCU-01 FLD OPT KIT

ABB ACS103-K75-1-U AC Drive .5HP 3PH 230VAC

G00600A00 ABB Parajust 3HP 460V 3Ph AC Drive

ABB Stromberg Drive SAMI Ministar SAMI39MB5-M2 Parts

ABB ACS501-003-4-00P2 3HP VARIABLE FREQUENCE DRIVE

ABB 6073NZ10000A 3-1/2 IN. FLOPPY DRIVE

Hitachi GDRONA5001ABB-STORAGE, G-DRIVE MOBILE 500GB - K

ABB-ACS400 Inverter Speed Drive BOP ACS-PAN -A Rev.J

ABB Drives SAPC 35 PAC Control Board 58132284

ABB VARIABLE FREQUENCY DRIVE 440-500 VAC

Bare VFD Electrical Enclosure For ABB ACH 500 Drive box

ABB PARAJUST AC DRIVE VFD G00300A00 208-460 V

ABB Industrial System Inc. Drive Manuals E3212T-2

Hitachi GDRONA5001ABB-STORAGE, G-DRIVE MOBILE 500GB

ABB 600 Variable Speed Drive Inverter BOP Panel

G-Technology GDRONA5001ABB G-Drive 500GB Back Up Drive

G-Tech G-Drive 0G01667 500GB Mobile Combo GDRONA5001ABB

ABB variable frequency drive 10hp ACH501-010-4-LOP2

ABB variable frequency drive 15hp ACH501-015-4-LOP2

ABB Drive Unit

ABB Drive NDCO 03 KIT DDCS Communication Card 990629

Hitachi LifeStudio Mobile HLSMBUA5001ABB - Hard Drive

- 500 GB - HI-SPEED USB

Sony SDT-5200 SCSI-II DAT TAPE DRIVE ABB 6064NZ10000A

ABB Industry A/C Drive ACS-103-2K1-1 ACS1032K11 100ACS

ABB ASEA Drive DC Contactor EFLG 40-2P EFLG40-2P

Hitachi LifeStudio Mobile HLSMBUA5001ABB Hard Drive

ABB ACS103-2K7-1-U 200-240vac 50/60Hz 7 amp AC drive

ABB Programmable Terminal & PC Drive SNAZ-747D (2747)

Hitachi LifeStudio Mobile HLSMBUA3201ABB - Hard Drive

- 320 GB - HI-SPEED USB

ABB ACS501-003-4-00P2 3HP VARIABLE FREQUENCE DRIVE

Hitachi X Mobile Drive HXSMNA5001ABB - Hard dri 0S02520

ABB ACH CP B HVAC KEYPAD FOR ACH550, ACS 320, DRIVES

Hitachi LifeStudio Mobile HLSMBUA3201ABB Hard Drive

ABB ACS103-1K6-1 ACS1031K61U  AC DRIVE

Hitachi X Mobile Drive HXSMNA3201ABB - Hard dri 0S02524

ABB YT213001-AB/2 YTE 102B AXIS DRIVE BOARD

MAXTOR S/N 5199030 ABB P/N U6060ND10000A HARD DRIVE

ABB BHD30C-1 DC Drive Control Contactor 120V coil NIB

ABB Drives SHMF-61 SHMF61 4783 340-B

ABB DC Drive Reversing Contactor

ABB Drives SHMA-6 ASEA SHMA6 4783 335-CV

ABB S600548 FHP Drive Module

KT3VD-M ABB DRIVE FOR ADJ DEPTH ROTARY HANDLE

ABB C1900 PEN DRIVE MOTOR

EK-770 ABB BHD30C-1 3P DRIVE CONTR

ABB DRIVES FLEX-AUTO REAL PART 129A518G01 TERMINAL

ABB C1900 PEN DRIVE MOTOR

ABB BHD30C2P & CA7D-NC30 SPECTRUM Drive Contactor

ABB BAILEY DAMPER DRIVE CYLINDER PISTON KIT 5326949C1

ABB ACS 501-04E AC Drive Installation Manual/User Guide

Expedited shipping  

ABB DCS 400 Digital DC Drive DCS402.0025 Rev. A1 25A

ABB Servo Drive SDS301-009A0-400V04-0000 #3361

ABB, drives,YPP110A,61061134

ABB Drives,ACS50-0108A8-4,

ABB Drives ACS60100053 Frequenzumrichter

ABB DRIVES SAMI GS FREQUENZUMRICHTER ACS504-051-3

ABB, drives,DI 626,61061240

ABB Drives ACS60100093 Frequenzumrichter

ABB SAFL1-160F415 DRIVES

ABB SAFL2-160F415 DRIVES

ABB Drives Veritron AAD 6301 A V4

ABB DSQC 346G Drive Unit 3HAB 8101-8

ABB ACS550 480V 75HP VFD Variable Frequency Drive

ABB, ABB Robot, DSQC 346G, 3HAB 8101-8, ABB Servo Drive

ABB RDCU-02C 64607901 Remote Drive Control Unit ACS800

ABB ACS150-03E-02A4-4 INVERTER AC DRIVE 0.75kW 400V

ABB ACS-601 AC Drive ACS601-0009-6 3PH 525-600 VAC 63Hz

ABB Industries AC Drive Model# ACC-143-4K1-3-U

ABB ACS-601 AC Drive ACS601-0009-6 3PH 525-600 VAC 63Hz