DDO02

分类:
选择深圳长欣,选择放心,售后无忧
大量现货,当天顺丰发货!
了解产品更多详细信息或购买请拨打以下电话咨询:
白工微信
(加微信咨询)

联系人:白工

电话:18150087953

Whatsapp/Wechat:+8618150087953

Email:sales@cxplcmro.com

描述

DDO02

提高读入PLC现场信号的可靠性还可利用控制系统自身特点,利用信号之间关系来判断信号的可信程度。如进行液位控制,由于储罐的尺寸是已知的,进液或出液的阀门开度和压力是已知的,在一定时间里罐内液体变化高度大约在什么范围是知道的,如果这时液位计送给PLC的数据和估算液位高度相差较大,判断可能是液位计故障,通过故障报警系统通知操作人员检查该液位计。又如各储罐有上下液位极限保护,当开关动作时发出信号给PLC,这个信号是否真实可靠,在程序设计时我们将这信号和该罐液位计信号对比,如果液位计读数也在极限位置,说明该信号是真实的;如果液位计读数不在极限位置,判断可能是液位极限开关故障或传送信号线路故障,同样通过报警系统通知操作人员处理该故障。由于在程序设计时采用了上述方法,大大提高了输入信号的可靠。

当现场的信号准确地输入给PLC后,PLC执行程序,将结果通过执行机构对现场装置进行调节、控制。怎样保证执行机构按控制要求工作,当执行机构没有按要求工作,怎样发现故障?我们采取以下措施:当负载由接触器控制时,启动或停止这类负载转为对接触器线圈控制,启动时接触器是否可靠吸合,停止时接触器是否可靠释放,这是我们关心的。
X0为接触器动作条件,Y0为控制线圈输出,X1为引回到PLC输入端的接触器辅助常开触点,定时器定时时间大于接触器动作时间。R0为设定的故障位,R0为ON表示有故障,做报警处理;R0为OFF表示无故障。故障具有记忆功能,由故障复位按钮清除。当开启或关闭电动阀门时,根据阀门开启、关闭时间不同,设置延时时间,经过延时检测开到位或关到位信号,如果这些信号不能按时准确返回给PLC,说明阀可能有故障,做阀故障报警处理。程序设计如图3b所示。X2为阀门开启条件,Y1为控制阀动作输出,定时器定时时间大于阀开启到位时间,X3为阀到位返回信号,R1为阀故障位。

产品承诺:
保 证 全新原装进口,
保 证 安全准时发货,
保 证售后服务质量,
优势价格,大量现货。

主营DCS系统配件
机器人系统配件
大型伺服系统配件
品牌:ABB   ,AB  ,GE,FOXBORO,本特利,英维思,伍德沃德,西屋,瑞恩,施耐德,西门子,摩托罗拉,安川。力士乐。ACSO,横河等进口品牌。 专业销售进口DCS  PLC系统备件模块
Triconex Siemens Yaskawa ABB GE Ovation AB Foxboro Motorola Schneider XYCOM KUKA
  专业销售进口DCS  PLC系统备件模块 15天包退换 一年质保 大量现货  国内实力库存商家

Stokes 72″ Diameter Vacuum Metallizer

Nash CL9001 CL9002 vacuum pump

Zyra Research ZRI-XP-1×1 Abatement System Used

Zyra Research ZRI-XP-1×1 Abatement System Used

Nash 904R2 904R1 vacuum pump

Head/Lobe for Nash HP liquid ring compressor, 316 SS

Three Zones Tube Furnace with Vacuum Pump for CVD

Edwards Booster Pump

Nash CL3001 CL3002 stainless vacuum pump

Nelmor 60 Hp Granulator, Bin, Vacuum Pump, Conveyor

1989 Vac Con V290TR Vacuum Jet Rodder Truck, Good cond.

Seiko Edwards STPA2203 Turbo Pump Refurbished Unused

SIHI LPH 85353 Liquid Ring Vacuum Pump 1600 CFM 28″ Hg

Patterson Kelley Stainless Steel Vacuum Dryer

Patterson Kelley Stainless Steel Vacuum Dryer

Patterson Kelley Stainless Steel Vacuum Dryer

Osaka Turbo Molecular Pump TG2003M Vacuum

GODWIN DRI PRIME 8″ ELECTRIC VACUUM PUMP **75 HP

Stokes 1721 Vacuum System, 615 blower w/ 212H-11 pump

Enlarge
ATMI Ecosys CDO 862 Abatement System Used

ATMI Ecosys Vector Ultra 3000 Abatement System Used

Edwards iGX600N Dry Vacuum Pump Refurbished Unused

Edwards iGX600 Dry Vacuum Pump Refurbished Unused

AM&D Vacumizer 100, Ametek 7.5HP, 480V Vacuum Pump Good

MKS Portable Vacuum Calibration System PVS-6 Baratron

NASH CL9002 VACCUM PUMP TEST #85S0182 CAST IRON POS 1

Vactronic PECVD Plasmatherm Etch Tool Oxford Novellus

Stokes Microvac 612-30 Vacuum Pump, 612 CFM, 20HP Mint!

PreVac GDF-950 50hp Liquid Ring Rotary Vacuum Pump NICE

Pfeiffer Balzers, Gas and Vacuum Station, Working

NASH CL9002 VACCUM PUMP TEST # 7041 CAST IRON NASH

Busch 1600 , RC1600 RC-1600 vacuum pump

Busch RA0630 Vacuum Pump, Reconditioned to OEM Specs

NASH CL9001 VACCUM PUMP TEST # SW6835 CAST IRON POSNR 3

Nash CL9001 CL9002 vacuum pump

Enlarge
Nice 1140 hour 25hp Sullair Rotary Vacuum Pump RSVS-12

Oil Rotary Piston Vacuum Pump WSDR 15K NIB

Roots Vacuum Pump FRU2880 NIB

NEW BOC Edwards iF-1800 (iF1800) Dry Vacuum Pump

Edwards BOC iL600 Dry Semiconductor Vacuum Pump

Edwards BOC iL600N Dry Semiconductor Vacuum Pump

Leybold Oerlikon TurboVac MAG W 1300 C Turbo Pump
Expedited shipping available

Edwards iL600N Vacuum Dry Pump Rebuilt

Industrial Vacuum System

Ebara AAS70WN Refurbished

Leybold MAG W 1300 Turbo Pump; DRIVE digital Controller
Sold tested as set with cables and a one year warranty.

Seiko Seiki STP-H2000C Vacuum Turbo Pump Rebuilt

Leybold MAG W 2200 Turbo Pump

Leybold MAG 2000 C Turbo Pump

PFEIFFER DRY VACUUM PUMP PK T11 906 UNIDRY 050-4NC

Varian TV801 (ISO) Turbomolecular Vacuum Pump 790.0 LPS

CL3002 NASH VACUUM PUMP, 200 HP

CL3002 NASH VACUUM PUMP, 200 HP

CL3003 NASH VACUUM PUMP, 200 HP

CL3003 NASH VACUUM PUMP, 200 HP

TEL ETCH RF generator rack and Turbo controller rack

Ebara AA200W Dry Pump-6600 hrs Demo Condition Warranty

Edwards BOC iLs70 Dry Semiconductor Vacuum Pump

Quincy QRDT 20 HP Oil-less Air Compressor Model#QRDT-30

Edwards BOC iL70N Dry Semiconductor Vacuum Pump

vacuum pump truck

Body for Nash 1256C liquid ring compressor, SS

Busch WV-1000 Reconditioned to O.E.M. Specs
1 Year Warranty Included

Busch RA0400 Vacuum Pump, Reconditioned to OEM specs.
1 Year Warranty Included

SIEMENS VACUUM PUMP, 20 HP, S/S

New Spencer turbine Vacuum

Knoll VRF 150/750 Vacuum Rotations Coolant Pump Filter

Varian Vacuum Ion Pump 912-7022

Edwards BOC iL70 Dry Semiconductor Vacuum Pump

NASH H12A VACUUM PUMP TEST #01T1C56 POS NR1 CAST IRON

RROTARY VANE OIL VACUUM PUMP WIITH MOTOR MVP-540 NIB

CTI Cryogenics 8112729G001 On-Board 4F Cryopump NEW
One-day shipping available

Edwards Vacuum Turbopump STP-XH2603P new 3620-00368

Edwards STP-A1603P Vacuum Turbopump AMAT 3620-00470 new

Remanufactured Nash SC-7 Vacuum Pump Complete Skid

Edwards IPX 500 Dry Vacuum Pump Rebuilt: IPX500 wrnty

Nash CL2001 CL2002 vacuum pump

Enlarge
Dekker 20 HP Vacuum Pump New 2006 VMX0303KA1-00

Pfeiffer TMH-1000M C Turbo Pump

Busch Cobra Dry Screw Vacuum pump Industrial CNC

NASH HYTOR VACUUM PUMP SIZE CL4002 RPM 360

3-Zone Lab Digital Vacuum Drying Oven with Vacuum Pump

Leybold TMP-1000C Turbo Pump TurboVac 1000 C – 85539
One-day shipping available

Leybold Turbovac 1000 C TMP-1000C Turbo Pump 600 Hz
One-day shipping available

Busch 10 HP Monovac vacuum pump 113 cfm

Aerzen GMb 16F13 Vaccum Pump and Leesons 50hp motor

200 cfm 15 hp Huckepak vacuum pump model 433-002

Stokes Microvac Pennwalt 412H-11 Vacuum Pump, Rebuilt
New 10 HP Motor and Solenoid, 300 CFM, 4 in. Inlet

Enlarge
Shimadzu Turbopump TMP-3403LMTC rebuilt 3620-00486

Pfeiffer Vacuum Turbopump TMH 1001P rebuilt

Oerlikon Leybold TMP 1100C Turbo Vacuum Pump Rebuilt
1 Year Warranty; Leybold Factory Rebuild
One-day shipping available

Vacuum pump, single stage liquid ring
Single Stage Liquid Ring

Enlarge
Kinney KT300 Rotary Piston Vacuum Pump

Edwards iQDP80 Dry Semiconductor Vacuum Pump iQMB 1200

Body for Nash 1251 liquid ring compressor, SS

LEYBOLD TURBO PUMP 1000C PN A971300407 – REFURBISHED

BOC EDWARDS iQDP80/QMB250 DRY VACUUM PUMP AND BOOSTER
VACUUM PUMP SYSTEM

Enlarge
EDWARDS QDP40 DRY VACUUM PUMP BRAND NEW ( NEVER USED )

AMERICAN VACUUM COMPANY VACUUM PUMP MODEL 4206

CVC Diffusion Vacuum Pump – 35″ Inner Diameter

AIR VACUUM PUMP

Used- Rietschle Oil Seal Vacuum Pump, type VWZ402-16M,

Used- Rietschle Oil Seal Vacuum Pump, type VWZ402-16M,

Used- Rietschle Oil Seal Vacuum Pump, type VWZ402-16M,

Used- Rietschle Oil Seal Vacuum Pump, type VWZ402-16M,

Used- Rietschle Oil Seal Vacuum Pump, type VWZ402-16M,

Used: Rietschle oil seal vacuum pump. Type VWZ402-15M.

Used: Rietschle oil seal vacuum pump. Type VWZ402-16M.

Seiko Edwards STPH2000C Turbo Cable Controller Used

Aerzen GMb 16F13 Vaccum Pump and Leesons 50hp motor

4 used AE Advanced Energy HFV 8000 RF Generator

HIBON PUMPING SYSTEM T10651 -PN: 79995.26 -REFURBISHED

Varian Vacuum Ion Pump Reference Plate Ass’bly C0401130

Varian Vacuum Ion Pump Lens Ring P/N: C0312002 Unused!

Varian Vacuum Ion Pump Gun Valve Top Plate C0311001

Varian Vacuum Ion Pump Housing Gun Valve P/N: C0304007

Varian Vacuum Ion Pump Gun Lens P/N: C0306000

Pfeiffer Balzers TPU-1500 Plasma Turbo Pump TPH Vacuum
One-day shipping available

Bell Jar Vacuum Furnace Chamber Quartz Graphite Pump

Holmes HV2000 Blower Vacuum Pump 1400.0 CFM

77cf Vacuum Chamber over 48″ with 46 Ports wide SS !!!!

Siva M-60 Solvent Recovery Unit With Vacuum Pump

VACUUM TEST PUMP TRAILER MOUNTED AIRVAC

Varian TV1001 Navigator Turbomolecular Pump NEW
One-day shipping available

BOC Edwards IH600 Dry Vacuum Pump With display terminal

Varian High Vacuum HS-32 Diffusion Pump

BUSCH MINK / MERLIN DRY CLAW VACUUM & COMPRESSOR *NEW*

Used- Stokes Microvac Rotary Piston Vacuum Pump, model

Used- Stokes Microvac Rotary Piston Vacuum Pump, model

Used- Stokes Microvac Rotary Piston Vacuum Pump, model

Used- Stokes Microvac Rotary Piston Vacuum Pump, model

Alcatel R601B / 2063+ Roughing Pump and Roots Blower Co

Republic Regenerative Blower HRB1502 ring side channel
Up to 776 cfm and 189″H2O (Pressure) or 189″H2O(Vacuum​)

Enlarge
Rotary Vane Oil Vacuum Pump with Motor MVP-432 NIB

Oil Rotary Piston Vacuum Pump WSSR 7.5K

Roots Vacuum Pump FRU1440 NIB

EC150L NASH VACUUM PUMP SYSTEM

EIM275 EDWARDS VACUUM PUMP, 8.5 KW

EIM275 EDWARDS VACUUM PUMP, 8.5 KW

EIM275 EDWARDS VACUUM PUMP, 8.5 KW

EIM275 EDWARDS VACUUM PUMP, 8.5 KW

10 HP rotary vane vacuum pump by Busch

USED:Kinney liquid ring vacuum pump, model 125-KSS, ski

Perkin-Elmer Ion Pump Vacuum Chamber Bell Jar System

Leybold/Oerliko​n TMP 1100C turbo pump ” REFURBISHED ”

LAMSON 100HP BLOWER

Holmes HV1000 Blower Vacuum Pump 700.0 CFM

Holmes HV1250 Blower Vacuum Pump 875.0 CFM

OSAKA VACUUM HELICALGROOVED PUMP, Model TS443BW

Stainless Steel/Copper Baffle for Diffusion Pump 35″ASA

Busch Panda Blower WV1000

NASH DUPLEX VACUUM PUMP PACKAGE

LEYBOLD-HERAEUS WA2000 ROOTS VACUUM PUMP – REFURBISHED

VACU-VEST #20 VACUUM INVESTMENT MIXER WITH BUSCH PUMP

Edwards BOC L70 Dry Semiconductor Vacuum Pump

Leybold TRIVAC D65BCS / WS501 Roughing Pump and Roots B

Tuthill vacuum air blower pump compressor 7018-21L2++++

Oerlikon Leybold TW 701 Vacuum Turbo Pump
Rebuilt by Oerlikon Leybold with a one year warranty.

Edwards iQDP80 Dry Semiconductor Vacuum Pump w iQMB-500

APPLIED MATERIALS, AMAT 0010-21668 PVD magnet. New

NASH TCM3 VACUUM PUMP 30 HP

BOC Edwards Vacuum EPX 180N Dry Pump

EDWARDS EXP TURBO SYSTEM

Edwards Vacuum EPX 180L Dry Pump 400V, 6 month Warranty

New Leybold Turbovac 1000C vacuum pump with controller
incl. Leybold Turbotronik NT1000/1500 VH includes cable

Balzers DIFF500A Diffusion Pump 500mm (20″)

Rotor for Nash HP-8 liquid ring compressor, SS

BOC Edwards Dry Vacuum Pump iQDP80 with QMB500 Rebuilt

BOC Edwards Dry Vacuum Pump iQDP80 with QMB1200 Rebuilt

NASH CL3001 VACUUM PUMP 3000 CFM 10″ HG BELT DRIVE

Republic Regenerative Blower HRB1402 ring side channel
Up to 776 cfm and 118″H2O (Pressure) or 134″H2O(Vacuum​)

Enlarge
LPHA75340 SIHI VACUUM PUMP, 50 HP

LPHA75340 SIHI VACUUM PUMP, 50 HP

Edwards iQDP80 Dry Vacuum Pump Rebuilt
One year parts and labor warranty.

USED:Vacuum pump system consisting of: Travaini liquid

USED: Nash liquid ring vacuum pump, model CL-1002, cast

USED: Nash liquid ring vacuum pump, model CL-2002, cast

Leybold Heraeus – Ruvac Vacuum pump – New Mod. WS2000

Holmes HV700 Blower Vacuum Pump 470.0 CFM

USED: SIHI vacuum pump, model LPHA75330. Capacity 610 c

Leybold Heraus Rotary Vane/Roots Pumping System

Edwards iQDP80 Dry Semiconductor Vacuum Pump w iQMB 250

Lobe for Nash 904 L liquid ring pump, Iron

Leybold Inficon Turbovac 1000C Turbo Pump REPAIR
One-day shipping available

Edwards iQDP80 Vacuum Pump QMB250 Blower Rebuilt

EDWARDS QDP80 DRY SEMICONDUCTOR DRYSTAR VACUUM PUMP+CTL

Leybold Turbovac 1000 C Vacuum Turbopump rebuilt

Toyota T600 Vacuum Dry Pump 0240-52730 new

Toyota T600 Vacuum Dry Pump new 0240-52729

CL1002 NASH VACUUM PUMP, 60 HP

Used: Nash vacuum pump, type CL1003. Approximately 330

Used: Nash vacuum pump, type CL1003, Approximately 330

Used: Nash vacuum pump, type CL1003, Approximately 330

EDWARDS QDP80 DRY SEMICONDUCTOR DRYSTAR VACUUM PUMP+CL

Super Vac Vacuum Sealer (does not include pump)

Busch Cobra DS-80 Dry Pump – Used

3 GS Kinney KT-150 Vacuum Pump Rotary Piston

NuCond-Edwards iQDP80/QMB500 Vacuum Dry Pump-iQDP 80-NR

SET OF CONTROLLER+POMP​E TURBO+CABLES – REFURBISHED

Leybold TW 700 Vacuum Turbo Pump: Factory Rebuild
Rebuilt by Leybold with a one year warranty.
One-day shipping available

CTI 8120992G001 Series 14 On-Board Water Pump Vacuum

Leybold Trivac Rotary Vane Vacuum Pump D65BCS NEW

Shimadzu Vacuum Turbopump TMP 2001-LME new

AHF80SS NASH VACUUM PUMP, 5 HP

2BE1253 SIEMENS VACUUM PUMP C/S 125 HP

2BE1253 SIEMENS VACUUM PUMP C/S 125 HP

TC5 NASH VACUUM PUMP, 25 HP

H7 NASH VACUUM PUMP, S/S

Used- Busch Single Stage Cobra Dry Screw Vacuum Pump, m

Used- Busch Single Stage Cobra Dry Screw Vacuum Pump, m

Roots Vacuum Blower – Model 1442 PGS-HVB

EBARA A10S Dry Vacuum Pump, Surplus New: 1yr warranty

Varian TV 551 MacroTorr Turbo Vacuum Pump Rebuilt
Varian Factory Rebuild with Six Month Warranty
One-day shipping available

EBARA ET-2500WS Turbo Vacuum Pump, 2500 WS, Surplus New
One-day shipping available

Edwards iQDP40 Vacuum Dry Pump 1yr warranty

Used: Ingersoll-Dress​er multistage ring vacuum pump, mo

Used: Sihi Vacuum pump, size 3×2, carbon steel, 6 stage

DUPLEX HORIZONTAL TANK MOUNTED VACUUM PUMP SYSTEM

Oerlikon Leybold E250 Vacuum Pump E-250 Rebuilt

Stokes 212H-11 Piston Vacuum Pump Rebuilt 212: yr wrnty

Stokes 212 Rotary Piston Vacuum Pump 150.0 CFM

Pfeiffer Balzers Duo 35 Dual Stage Rotary Vane pump

412H-10 STOKES VACUUM PUMP, 15 HP

412H-20 STOKES VACUUM PUMP, 10 HP

GENTIX Q-PIX COLONY PICKER WITH VACUUM PUMP MANUALS

Used- Busch Single Stage Cobra Dry Screw Vacuum Pump, M

Used- Busch Single Stage Cobra Dry Screw Vacuum Pump, M

Used- Busch Single Stage Cobra Dry Screw Vacuum Pump, M

USED: Edwards two stage rotary vane vacuum pump, model

Leybold/Oerliko​n TMP 1000C Turbo Pump ” REFURBISHED ”

DeMarco MaxVac Vacuum Pump

15 HP. Vac-U-Max System, Roots Blower, Item #8231

CTI On-board Waterpump P/N 8120647G001 – Unused!

NEW AERZEN POSITIVE DISPLACEMENT BLOWER GMB-15.10

BOC EDWARDS IPX100/ IPX 100 DRY VACUUM PUMP A409-02-973

BOC EDWARDS IPX100/ IPX 100 DRY VACUUM PUMP A409-02-973

Leybold SV300 Rotary Vane Vacuum Pump 200.0 CFM

Leybold TW701 Turbomolecular Vacuum Pump 680.0 LPS

Leybold WSLF1001 Roots Blower Vacuum Pump 707.0 CFM

EDWARDS EH2600 ROOTS VACUUM PUMP PN: A307-51-946

Republic Regenerative Blower HRB1302 ring side channel
Up to 776 cfm and 87″H2O (Pressure) or 99″H2O(Vacuum)

Enlarge
Rotary Vane Oil Vacuum Pump with Motor MVP-324 NIB

Edwards Drystar QDP80 Vacuum Pump QMB 250F REBUILT

Duroflow Positive Displacement Vacuum 40 HP 4.5 X 12

Leybold Vacuum Turbopump Turbovac 1000C rebuilt

Adixen/Alcatel Vacuum ATH 1000 M Turbo Pump Tested Good
One-day shipping available

Edwards EXT 250M Vacuum Turbo Pump 250: Surplus New

Oerlikon Leybold WS-1001 Vacuum Blower Rebuilt P 1 yr

EBARA TURBO PUMP PN ET300W S-A TYPE1 -REFURBISHED

Busch duplex Vacuum Pump System R5 0100 TWO 5HP PUMPS!

A52247 Inficon UL500 Dry Leybold, Anest Iwata Vac Pump

Leybold Turbovac 1000C Turbo Vacuum Pump 6″ ASA

Leybold TMP341MCT Turbomolecular Vacuum Pump 250.0 LPS

Leybold Turbovac 340M Turbomolecular Vacuum Pump 250.0

Leybold WS1001 Roots Blower Vacuum Pump 707.0 CFM

Varian V1000HT Turbomolecular Vacuum Pump 950.0 LPS

Varian V1000HT Vacuum Pump Controller

Osaka Vacuum TG1810 TG-1810 Compound Molecular Pump

Edwards iQDP40 Dry Semiconductor Vacuum Pump w iQMB 250

Edwards iQDP80 Dry Semiconductor Vacuum Pump

EDWARDS IL70N, DRY VACUUM PUMP / PUMPING SYSTEM

Shimadzu Vacuum Turbopump TMP-3203LMC-K1 working

Shimadzu Vacuum Turbopump TMP-3203LMEC-K1 working

Shimadzu Turbopump TMP-3403LMC working 3620-00454

Shimadzu Vacuum Turbopump TMP-3403LMTC working

Shimadzu Vacuum Turbopump TMP-3403LMC working

Novatec Vacuum Power Unit with Cyclone recycling pump

Oil Rotary Piston Vacuum Pump WSSR 4.5K NIB

ALCATEL ROOTS VACUUM PUMP RSV1000 – REFURBISHED

Roots Vacuum Pump FRU720 NIB

Vacuubrand Rc6 Chemistry-hybri​d Vacuum Pump, Brandtech

Republic Regenerative Blower HRB1212 ring side channel
Up to 530 cfm and 157″H2O (Pressure) or 138″H2O(Vacuum​)

Enlarge
TRAVAINI VACUUM PUMP TRO-300V-1A 20HP W/RELIANCE MOTOR

NP408 FINDER VACUUM PUMP, 5 HP

H-8 NASH VACUUM PUMP, 50 HP

200 CFM BUSCH HUCKEPACK VACUUM PUMP

Alcatel/Adixen ATP 400 Vacuum Turbo Pump: Surplus New

Oerlikon Leybold WSU-501 Vacuum Blower Rebuilt, 1yrwrty

专业销售进口DCS  PLC系统备件模块

PLC模块,可编程控制器,CPU模块,IO模块,AI模块,通讯模块。AB/施耐德/ABB/GE/本特利/西屋/英维斯/霍尼韦尔/黑马/FU克斯波罗

15天包退换 一年质保 大量现货  国内实力库存商家


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。