描述
继电器接触器控制系统经过长期的使用,已有一套能完成系统要求的控制功能并经过验证的控制电路图,而PLC控制的梯形图和继电器接触器控制电路图很相似,因此可以直接将经过验证的继电器接触器控制电路图转换成梯形图。主要步骤如下:
(1)熟悉现有的继电器控制线路。
(2)对照PLC的I/O端子接线图,将继电器电路图上的被控器件(如接触器线圈、指示灯、电磁阀等)换成接线图上对应的输出点的编号,将电路图上的输入装置(如传感器、按钮开关、行程开关等)触点都换成对应的输入点的编号。
(3)将继电器电路图中的中间继电器、定时器,用PLC的辅助继电器、定时器来代替。
(4)画出全部梯形图,并予以简化和修改。
这里有您急需的停产备件,
优势现货,询不到的,买不到的,请联系我们!
绝 对优势,绝 对低价!绝 对正品,优质的产品,一流的服务,充足的库存,
欢迎来电询价,我们将会给您最优惠的价格!
主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys 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。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
Allen Bradley Logic Processor 5250 MLP2 / LP 384K Board
Leco Spectrum System 1000 Grinder Polisher 825-300-100
Struers Primopress 3590267 A/W18
H.E. Pom-Pom Bow Machine System maker Cambarloc Durant
Ramsey Icore Autocheck 4000 Checkweigher + conveyor
fanuc transformer A80L-0001-0452-01 , 64 KVA
Allen Bradley 1775-L2 Main Processor EXTD Intruction *
Allen Bradley AB 1775-S5 I/O Scanner Comm Adapter NEW
Ingersoll Rand IR N2 Nitrogen Generator Parts 15233364
Enlarge
Camco ROTARY Index Drive table 900P1H72-330 new surplus
Sick Omni Scannner OPS 400 + RVSI CiMatrix 7650
Motoman Vigodrive Reducer Gear UP50 S-Axis HW9381671-A
Siemens TI 500-7302 Communication Module RS232 110V NEW
Vector MCU controller with Windows XP Professional NEW
Ingersoll Rand Nutrunner Torque Wrench DEA120-NT-E9-S8L
Kollmorgen Servo-controller, motor, 2 cables as shown
Rexroth board CDB01.1C-SE-ENS-EN2-NNN-L1-S-NN-FW NEW
SSI Super Systems Dew Point Analyzer Digital DP2000
Fanuc LTD Power Unit A20B-1000-0770-01 NEW
Allen Bradley 5730 CPU1 A MicroVAX VMS Processor
Allen Bradley AB 5130 KA / A Interface Module DH/DH+ *
Stober Posidyn SDS-4011 Servo Inverter 42227 NEW
(35) Gettys Servo Drive Boards
Reliance AutoMate programmable controller 45C342
Fibro GSA 52.55.4.0090 Hydraulic Rotary Unit Module NEW
Fuji Faldic AC Servo Amp Controler RYS201S3-LSS-Z59 NEW
Allen Bradley 1398-DDM-020 Brushless Servo Drive
Siemens TI CPU Module Turbo 560-2820 R6.0.2 REMANED**
Lot of (7) – Vacuum Valve Skinner Airco Vacuum Research
Parker hydraulic Deceleration Valve DF620S 1302043 NEW
Keyence CCD Camera w/ Cable CV 030 NEW
Allen Bradley 150-A54NBD SMCPLUS Smart Motor Controller
Allen Bradley AB 1785 BCM Backup Communication Module
(2) Edmunds Tooling Gaging Gauge O.D. Station DG-39214
Ruvac Leybold Vacuum Blower Pump WA1000 89513-1
3 – HPM New Britton control boards w/ rack
Siemens Servo Board CPU Module 6FX1132-5BA02 NEW
Rexroth board CSB01.1C-SE-ENS-NNN-L1-S-NN-FW NEW
AB Allen Bradley 1336 B005 FA2 AC Drive 460V New
Koldwave Airmaster Portable Air Conditioner 3AK3012
Bosch Controller 0-608-830-208 LTH 12 SBH301 G6M-13
AB Allen Bradley 5250 LP1 B Logic Processor 256K
AB Allen Bradley 5150 MRS Remote Scanner Daughterboard
AB Allen Bradley 5370 CVIM Vision Processor
Allen Bradley 1771-HS3A 3Axis Servo Controller IMC123 *
GE FANUC A06B-0506-B504 #7000 SERVO MOTOR NEW NIB
Oberg Industries Die monitor F-DMDM-PM-110E New *
Fuji AC Servo Amplifier Type RYE2.0P-ZA1 NEW
Cosmo Air Leak Tester LS 1841 EA3M
Cosmo Air Leak Detector Tester LS-1860-A3M *
Cosmo Air Leak Tester Detector LS-1760 LS-1760L *+
Indramat Trans 01.7/1/OP01 Servo Controller 00483256 *
Allen Bradley 2711-K9A1 Panelview 900 Module 9in
Ingersoll-Rand SPINDLE DRIVE 99388019R08 99387847R5.4
Parker Hydraulic Valve D1FX 30 Design D1FXE01FCNAJ0031
Uson Prex Leak / Flow Test Systems Water Detector 6800
Panametrics Digital Ultrasonic Thickness Gauge Model 25
Bendix Microcorder Pilotor Tracer Metrology Surf Meter
3- ITE Current Limiting Fuse Fuses 150E 15.5 KV 211-313
Leco GP-20 Two Wheel Dual Polisher Grinder 8″ GP20
Fanuc Servo Amplifier Drive A06B-6058-H007 Repaired