1747-C10
1747-C10
由运行WinCC或其他组态软件的PC上位机与S7-300PLC下位机用网络相连,上位机负责监控与编程,下位机负责数据采集与控制;那么,这种结构属不属于严格意义上的DCS? 是不是像北京和利时的DCS系统,浙大中控的DCS系统,上海新华的DCS系统等等,才属于DCS控制?
答:由运行WinCC或其他组态软件的PC上位机与S7-300PLC下位机用网络相连,上位机负责监控与编程,下位机负责数据采集与控制;这种结构属属于小型的DCS。像北京和利时的DCS系统,浙大中控的DCS系统,上海新华的DCS系统等等属于大中型DCS控制。大型的DCS的模拟量采集和PID调节回路更新率和可扩展性要比PLC的更短更强。但是两种技术是互相借鉴的,以前的DCS都是板卡框架式居多,现在也向模块化靠拢。
现货,现货,降降降,火火火,火火火……
现货,现货,降降降,火火火,火火火……
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FANUC A16B-2200-0660/04A PC BOARD F15M/T
RELIANCE 0-51889/051889/O-51889 REGULATOR BOARD
RELIANCE 0-51836/051836/O-51836 LOGIC BOARD
WARNER/SECO CDMC 03/CDMC03/CD 03/CD03 AC DRIVE 3HP
ACRISON 060 SCR-DC VARIABLE SPEED MOTOR CONTROLLER
SIEMENS 6ES5-415-7AB11/6ES54-15-7AB11/6ES5415-7AB11/6ES54157AB11 INPUT
PILLAR INDUSTRIES AB6330-12(A) MARK 11 INDUCTION BOARD
ALLEN BRADLEY DA22654-002-B/DA65593-001 MAX SPEED
ALLEN BRADLEY DA22654-002-C/DDA65593-002 SPEED BOARD
AMBITECH SS-4A-10 ELECTRonIC MOTOR CONTROL
RELIANCE 0-58706-19B/05870619B/O-58706-19B PC BOARD
RELIANCE 6SP24001/6SP24X-4P2CTNN SP600 AC DRIVE 1HP
WTC/WELTRONIC/TECHNITRON CORP WT01-T10A TIMER
SIEMENS 6DM1-001-4WA12-0/6DM10-01-4WA12-0/6DM1001-4WA12-0/6DM10014WA120
SQUARE D 8965DPR33 CONTACTOR
SIEMENS 6SL3120-1TE21-8AA3 DRIVE ConTROL 18AMP 400V MOTOR MODULE
ConTROL TECHNIQUES/EMERSON MD29 COPROCESSOR BOARD MENTOR DRIVES
RELIANCE 14C101U/14C101-1U FLEXPAK PLUS .75HP DC DRIVE
GLEASON REEL/GLEASON ConTROLS UK1-9SP-N1A ULTRA-KAM/RCLS ENCODER
NICOTRA AT12/12S BELT DRIVEN CENTRIFUGAL BLOWER FAN 5500W 1500RPM**
YASKAWA USASEM-08FJ21 AC SERVO MOTOR 771W 2.45NM
SIEMENS 6ES5-464-8ME11/6ES54-64-8ME11/6ES5464-8ME11/6ES54648ME INPUTNIB-FS
WARD LEonARD 78091-51R ConTACTOR 75AMP 3POLE 120VAC DEFINITE PURPOSE
PICK HEATER 26-13 INJECTION TUBE GRID SIZE 3.065
SHI/SUMITOMO AF3004-1A5-U IGBT INVERTER AC DRIVE
MILWAUKEE CYLINDER 20772 H21 NON-TIE ROD 1.75" BORE X 6" STROKE X 1" ROD
RELIANCE 0-52804/052804/O-52804 ANALOG PC BOARD
SIEMENS/TEXAS INTSTRUMENTS 505-6870 505 PROFIBUS-DP REMOTE base ConTROLLER *XLNT
ALLEN BRADLEY 1336F-BRF10-AA-EN-GMS5-L4 DRIVE 1HP
ALLEN BRADLEY 1336F-BRF05-AA-EN-GMS5-L4 DRIVE .5HP*XLNT
LANTECH 55003601 ConTROL BOARD
46002-1/HYD.11/96 CLAMP APPARATUS
THERMOVAC TM22 89684 VACUUM CONTROLLER