1756-L73

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描述

1756-L73

本身软件采用通用 WINDOWS/ NT和OPC等软件。三是控制站控制回路数不宜过多,虽然冗余热各措施有两重化、四重化等方式,但还是遵循“控制分散可以消除危险”的原则为好。四是在DCS应用时也要发挥控制站分散设置在接近现场的初衷,即如TDC3000系统DHW数据高速通道总线可以长达2公里,控制站可以分散在各设备附近,而LCN局部控制网络仅放在中央控制室内作连接操作站、历史模件、应用模件之用,这样可以减少系统接线和中央控制室面积,现在大型装置的中央控制室有一个足球场那么大,而且控制站机柜全集中在中央控制室,这是一种理想的中央控制室吗?值得思考。由此引发出的是DCS应尽快与现场总线技术相结合,这是目前最好的方案。再过 10到20年, FCS(现场总线控制系统)也应该是在DCS+FieldBus的基础上诞生,那时FCS才能成为真正新一代的PA产品。至于I/O自治服务系统、测量、控制、执行一体化的新型基地式仪表+数据通讯(现场总线),及虚拟“主机”系统、操作站(如为一般PC机)为即插即用方式,即操作人员需要观察和操作时才插到网络中等理想的FCS,那是要经过一、两代人的努力,才能够实现的。

 

YORK ROTARY SCREW COMPRESSOR W/YORK ISN CODEPAK

DYNATEC 510-6-P12-24 GLUE MACHINE USED*

GIANT LOT OF FUSES,GOULD SHAWMUT ,FUSETRON,BUSS,​

GOULDS ITT 1X1 1/4-6 COMMERCIAL WATER PUMP 1/2 HP, NEW

RELIANCE ELECTRIC 3RA2004 SERVO DRIVE USED

RELIANCE ELECTRIC BRUSHLESS AC SERVO CONTROLLER, USED

GRACO 205395, 50:1 FIREBALL BARRELL 425 AIR PUMP, USED

MAGNETEK L717 GP+ 10 HP E PLUS ADJUSTABLE SPEED

RELIANCE ELECTRIC 3RA2002 SERVO DRIVE USED

TEST GUAGE CART – 3 GAUGES, 3 DRAWERS, USED

RELIANCE ELECTRIC 3RA2001 SERVO DRIVE USED

RELIANCE ELECTRIC 3RA2008U SERVO CONTROLLER USED

WESTINGHOUSE LD3600WK 600A CIRCUIT BREAKER USED

LIGHTNIN ND-4A MIXER, USED

AIR DRAULICS 10002510 CYCLINDER ,USED

VALMET PIC-200/100-170​-31488 SS PNEUMATIC CYLINDER, NEW

WESTINGHOUSE HKD3400F CIRCUIT BREAKER USED

VIKING HL4125 HYDRAULIC PUMP, 1 5/8x 11/16 SHAFT, USED

VON RUDEN 90-464 RATIO 1:1:1 GEAR BOX, USED

ROSEMOUNT ANALYTICAL pH MODEL 1003 UNILOC DIVISION,NEW

GENERAL ELECTRIC E10F2 1HP ELECTRIC MOTOR NEW

EFDYN MASA 2 X 6 PS HV 4598 SHOCK ABSORBER NEW

GENERAL ELECTRIC 5KC49PN0446X 1 HP ELECTRIC MOTOR, NEW

ELECTROMOTIVE SBPN-6-WH SWITCH NEW

RELIANCE ELECTRIC 3RA2004 SERVO DRIVE USED

ALLEN-BRADLEY 2192F-BJC-24J MOTOR CONTROL CTR UNIT USED

ALLEN-BRADLEY 2192F-BJC-24-11​0 MOTOR CTR UNIT USED

ALLEN-BRADLEY 2154B-AAB-38 MOTOR CTRL CTR USED

ALLEN-BRADLEY 2112B-BDBD-24J-​98-106-107 MOTOR CTRL CTR

ALLEN-BRADLEY 2112B-BDBD-1-4G​-24J-98-106-107 MOTOR CTR

WESTINGHOUSE JDB3225W 225A CIRCUIT BREAKER/JDB 25K USED

BOSTON GEAR 88KRF724-408-87​-J MOTOR USED

GENERAL ELECTRIC DS3827BS6 THYRISTOR, NEW

HYTROL 4AC 20-1 RH GEAR REDUCER NEW

KLOCKNER-MOELLE​R N 11-400-CNA CIRCUIT BREAKER USED

NIBCO WD-3110-0 VALVE NEW

FIFE CSP-01-06 ESU01 SENSOR USED

TOP TECH TT-E75-3SP2 3/4 HP ELECTRIC MOTOR , NEW

IDT PERIPHERAL CONTROL UNIT POWER SUPPLY USED

ALLEN-BRADLEY 2192F-D23444O/3​-2E MOTOR CTRL CTR USED

LOT OF 6 OMRON G3PA-210B SOLID STATE RELAYS, USED

ALLEN-BRADLEY 1771-AB CHASSIS/WITH MODULES USED

FASCO E2204 1/3 HP ELECTRIC MOTOR , NEW

GENERAL ELECTRIC L737BS 1/4 HP ELECTRIC MOTOR, NEW

RELIANCE/TIGEAR 7916130DB 1.39HP GEARMOTOR USED

GENERAL ELECTRIC L736CS 1/4HP MOTOR NEW

DODGE TIGEAR MR34619 1HP GEAR BOX, USED

NIHON SEIKI BN-6041-63-30L PNEUMATIC CYLINDER, NEW

EATON IDT 92-00314-09 UNIVERSAL PCU, USED

ALLEN-BRADLEY 2192F-U4-26J MOTOR CONTROL CTR UNIT USED

E G D MFG SS20 2×2 INDL SHOCK ABSORBER CYLINDER, NEW

ALLEN-BRADLEY 160-BA01NSF1P1 STARTER USED

ALLEN-BRADLEY 1771-ARC REMOTE I/O ADAPTER MODULE

LOT OF 4/ OMRON D4A-2501N LIMIT SWITCH USED

INDUSTRIAL CONTROL CFM61 SWITCH NEW

HBM PLC-XX200 LOAD CELL, NEW*

GE DS3820HSM HEAT SINK, NEW

WESTINGHOUSE JDB3225W CIRCUIT BREAKER USED

ACOPIAN A24MT350 DC POWER SUPPLY USED

RELIANCE ELECTRIC 3RA2002 SERVO DRIVE USED

RELIANCE ELECTRIC 3RA2002 SERVO DRIVE USED

HIMMELSTEIN 6-201 TRANSDUCER USED

ALLEN-BRADLEY 1771-P2 POWER SUPPLY USED

TELEMECANIQUE LB1 LB03P MOTOR STARTER USED

LOT OF 2/ ALLEN-BRADLEY 509-B0D STARTER USED

KLOCKNER MOELLER DIL1M STARTER USED

ALLEN-BRADLEY 700-RTA10L100A1 RELAY USED

ALLEN-BRADLEY 1771-P2 POWER SUPPLY, USED

LOT OF 2/ LEVITON 2336 FLANGED OUTLET NEW

WESTINGHOUSE FD-K 100A CIRCUIT BREAKER USED

SHARK/RELIANCE ELECTRIC 45C922 SLOT RACK USED

WARNER ELECTRIC MC4 PRECISION TORK, USED

SMC NAQ5000 VALVE USED

SMC NAR825-N12 VALVE USED

SMC VP7-8-FG-S VALVE USED

3 ALLEN-BRADLEY 1794-ASB FLEX I/O POWER SUPPLY, USED

SIEMENS 1P GES7 221-1EF00-0XA0 MODULE USED

SIEMENS 1P GES7 222-1EF00-0XA0 MODULE USED

SMC RSH50-30BL CYLINDER NEW

VERSA VIS-2302 PNEUMATIC VALVE, NEW

SMC NVFS2200-1F PNEUMATIC VALVE, NEW

SMC NVFS2100-5FZ PNEUMATIC VALVE, NEW

SMC NVS4114-0009D PNEUMATIC VALVE, new

SMC NVZ5140 PNEUMATIC VALVE, NEW

SMC VFS2200-5FZ PNEUMATIC VALVE,NEW

SMC NVFS2100-1F PNEUMATIC VALVE, NEW

NORGREN S-A03205C CYCLINDER USED

PIAB XLC60 3301044 VACUUM PUMP,USED

SMC XTO-1239 VALVE NEW

ABB GCB0432 R2 DRIVE USED


选择深圳长欣,选择放心,售后无忧大量现货,当天顺丰发货!
主营:本特利,英维思,伍德沃德,福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐,ACSO,力士乐等各大品牌的DCS系统配件,机器人系统配件,大型伺服系统备件。

先介绍几点经验。
1、先通读一遍“系统手册”(不管能不能看懂,先了解个大概,以便学习编程时查找);
2、由位控逻辑入手,逐渐增加定时、计数等条件,把或、与、非关系理顺;
3、进而练习整数运算、实数运算、类型转换;
4、量程转换、PID调节回路的建立及P、I、D参数的理解(最好是有个物理回路验证,比如变频器+电机+测速传感器);
5、循环、顺序、跳转等程序控制(尽量避免跳转,非跳不可时也是跳的越近越好);
6、中断、通讯、位置控制....

本人以ABB工业机器人配件DSQC系列和Motorola MVME系列,GE 卡件 模块 驱动器系列为主攻。各位电工朋友可根据自己的条件选择适合自己的PLC品牌,由于PLC的基本框架大同小异,学会一种至于其它的学习起来也就简单了。