描述
AB 1738-EP24DC
本教材采用最常用的兩種編程語(yǔ)言，一是梯形圖，二是助記符語(yǔ)言表。采用梯形圖編程，因?yàn)樗庇^易懂，但需要一臺(tái)個(gè)人計(jì)算機(jī)及相應(yīng)的編程軟件；采用助記符形式便于實(shí)驗(yàn)，因?yàn)樗恍枰慌_(tái)簡(jiǎn)易編程器，而不必用昂貴的圖形編程器或計(jì)算機(jī)來(lái)編程。
雖然一些高檔的PLC還具有與計(jì)算機(jī)兼容的C語(yǔ)言、BASIC語(yǔ)言、專用的高級(jí)語(yǔ)言（如西門子公司的GRAPH5、三菱公司的MELSAP），還有用布爾邏輯語(yǔ)言、通用計(jì)算機(jī)兼容的匯編語(yǔ)言等。不管怎么樣，各廠家的編程語(yǔ)言都只能適用于本廠的產(chǎn)品。
l 編程指令：指令是PLC被告知要做什么，以及怎樣去做的代碼或符號(hào)。從本質(zhì)上講，指令只是一些二進(jìn)制代碼，這點(diǎn)PLC與普通的計(jì)算機(jī)是完全相同的。同時(shí)PLC也有編譯系統(tǒng)，它可以把一些文字符號(hào)或圖形符號(hào)編譯成機(jī)器碼，所以用戶看到的PLC指令一般不是機(jī)器碼而是文字代碼，或圖形符號(hào)。常用的助記符語(yǔ)句用英文文字（可用多國(guó)文字）的縮寫及數(shù)字代表各相應(yīng)指令。常用的圖形符號(hào)即梯形圖，它類似于電氣原理圖是符號(hào)，易為電氣工作人員所接受。
l 指令系統(tǒng)：一個(gè)PLC所具有的指令的全體稱為該P(yáng)LC的指令系統(tǒng)。它包含著指令的多少，各指令都能干什么事，代表著PLC的功能和性能。一般講，功能強(qiáng)、性能好的PLC，其指令系統(tǒng)必然豐富，所能干的事也就多。我們?cè)诰幊讨氨仨毰錚LC的指令系統(tǒng)
l 程序：PLC指令的有序集合，PLC運(yùn)行它，可進(jìn)行相應(yīng)的工作，當(dāng)然，這里的程序是指PLC的用戶程序。用戶程序一般由用戶設(shè)計(jì)，PLC的廠家或代銷商不提供。用語(yǔ)句表達(dá)的程序不大直觀，可讀性差，特別是較復(fù)雜的程序，更難讀，所以多數(shù)程序用梯形圖表達(dá)。
l 梯形圖：梯形圖是通過(guò)連線把PLC指令的梯形圖符號(hào)連接在一起的連通圖，用以表達(dá)所使用的PLC指令及其前后順序，它與電氣原理圖很相似。它的連線有兩種：一為母線，另一為內(nèi)部橫豎線。內(nèi)部橫豎線把一個(gè)個(gè)梯形圖符號(hào)指令連成一個(gè)指令組，這個(gè)指令組一般總是從裝載（LD）指令開始，必要時(shí)再繼以若干個(gè)輸入指令（含LD指令），以建立邏輯條件。最后為輸出類指令，實(shí)現(xiàn)輸出控制，或?yàn)閿?shù)據(jù)控制、流程控制、通訊處理、監(jiān)控工作等指令，以進(jìn)行相應(yīng)的工作。母線是用來(lái)連接指令組的。下圖是三菱公司的FX2N系列產(chǎn)品的最簡(jiǎn)單的梯形圖例：
產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢(shì)價(jià)格，大量現(xiàn)貨。
主營(yíng)DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌：ABB???,AB??,GE,FOXBORO,本特利，英維思，伍德沃德，西屋，瑞恩，施耐德，西門子，摩托羅拉，安川。力士樂(lè)。ACSO，橫河等進(jìn)口品牌。Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA
Oriental Motor Super Vexta UD519 5 Phase Motor Driver
Giddings and Lewis 502-02748-01 Valve Driver
Kollmorgen Ind PSR4/5A-112 Power Supply Rebuilt
Reliance Electric IRCG DC Drive Relay Module 0-51839-8
Mikron SA Agno 169-3-0001-B Rotor
Grove Gear Flexaline BMQ220-2 Worm Speed Reducer
Marposs 63213215500 E14 RAM Card – NIB
Omron Programmable Controller 3G2C4-SI Expansion Unit
Reliance Elect P25S3029 AC Motor 15 HP Three-Phase
Oval Strapper 2D597-3 Balance Fly-Wheel
Acme TF-2-49873-S 3KVA General Purpose Transformer NIB
Timken 42350 90067 Matched Tapered Bearing Assembly
ASCO 8342C-020 Solenoid Valve
Sensis Corp BBCF1410 Fixed Mount Bumpy Barcode
Beta Tech Inc BC-FSC-050-004 Input Board
Fanuc Drive A20B-1003-0080 Power Control AC Servo Board
Stearns Rexnord 87000 Series Self-Adjust Brakes – New
Eaton-Kenway Doo60672 Digital to Analog Converter Board
Reliance Electric P56X2002P 1 HP 1725RPM AC Brake Motor
Mitsubishi FX63A CNC Module FX63
Cincinnati Milacron 4-531-4004A00B Interface Module
VEE-ARC PC7000-10 Regulator Board 404-039 L
Siemens 6FX1128-1BA00 PCB Memory Board
Reliance Electric P18G4901EC 5HP 3475RPM AC Motor
Thermal Care 960-0169 Std Fitted Model 16 Motorpump
Allen Bradley 1771-SDN Series B Devicenet Module NIB
Control Techniques 9600-6400 Dominax DD400 5HP Drive
Giddings & Lewis 502-02722-50 Address Generator Board
Rapid Electric PC72 Cat Printed Circuit Board P.C. 72
GE 5BC48JB830 1.2HP 2550 RPM DC Motor
General Electric 5KS213SAB205A 7.5HP 1770RPM -NIB-
PARKER PR3MM Pressure Reducing Valve
25 Saturn Precision Brass Rod Electrode .0121 X 12″
ASCO 8344B48 Double Valve
Square D KAL36225 Circuit Breaker – Used
Price Pump CD 100 SS CD100SS Pump End Only
Square D 5S1FIS 5.0 KVA Insulated Transformer 156908
Fanuc A20B-0008-0242 PC Board
GE Fanuc 44A398712-G01 PC Board IFI32 for 7500
Allen Bradley 512-BJB-3E-5R-6?P-24R Starter w/Disconnect
Cincinnati Milacron 3-531-3180A Jumper Board
Digital M8049 64 Bit Parallel I/O Module
Banner Engineering MGR2416A Light Curtain Receiver
Reliance Electric 0-51839-8 IRJC Board
Acme-Gridley Pully Shaft for 5/8″ Acme Bar Machine
Cognex 800-5740-1 Rev. K In-Sight 1000 Processor Camera
1910-3132 Small Grinder Part 702 495 53
Siemens 548-258-9102 CPU Board For System 810
Lexmark 16A0553 X433/X443 MFP Option – New
Vickers DG4S4-012N-115A?C50-51 Double Solenoid Valve
Allen-Bradley 1771-PA Power Supply
25 Saturn Precision Brass Rod Electrode .01229 X 12″
Sony Magnascale MSS-201B Encoder
PHD 302578-03 Hoerbiger-Origa 72309-0303 Cylinder
SKF NN3016 KTN/SPW33 CYLINDRICAL ROLLER BEARING
Miller Coax MK-15-NC-14-15-?C1-1/2 Solenoid Valve
Leeson C6T17FC111F AC Motor 1/2 HP 1725 RPM
Circle Seal Controls SV462A32P6P39 Solenoid Valve
Stromag 04-04907 SAF.9 100V .23 Amp Brake
Marposs 6321321500 Shared RAM Memory Board
Shawmut A4BT1600 Time-Delay Fuse
Sundstrand 65001223 EFM-G1 Control Board
Bijur Type D3156 TM-5 Automatic Cycle Lubricator
Magnatrov M036527 Valve 50PSI 45Watts 120V 60Hz 2″ Pipe
FAFNIR/TORRINGT?ON 2MM911WI DUL EXTRA PRECISION BEARING
GE 5KCP39CG 1000/870/750 RPM 1/20 HP Electric Motor
Okuma E4809-770-032-2 Relay Board
ASCO 8300D61U SOLENOID VALVE
Festo DGO-1 5/8″-54-HA Rodless Pneumatic Cylinder
Allen Bradley 7300-UDB-3 Output Module
Giddings and Lewis 502-02724-51 Console Interface Board
Giddings and Lewis 502-02721-50 ALU Board
Giddings and Lewis 502-02723-52 CPU Control Board
Lintech SA-2096-E2 Shaft Assembly SA2096E2
Cincinnati Milacron Paper Tape Interface Board
Lot of 450 Speedfam Sleeve For Speedfam 10WD0047
Reliance Electric 86474-8S Rectifier Stack
Baumuller GSF 56-S Servo Motor
Reliance Electric 86474-7S Thyristor Assembly
Okuma H1014-0007-64 Ball Screw for Okuma LB9 Lathe
Omron C200H-OD215 Output Unit –
Vickers SA4-06 Series Servo Valve
Continental Hydraulics PVR15-15B15 1500 PSI Vane Pump
Allen-Bradley 1305-BA06A Adjustable Frequency AC Drive
Danfoss 04205 1 HP 1800 RPM Permanent Magnetic DC Motor
Lexmark 16A0400 OptraImage X433/X443 MFP Scan Unit
Allen Bradley 700-NT400A1 Type N Timing Relay
Oneac CX1000 Power Conditioner
Muller 120V1H03 DC Drive
Telemecanique RM3 JA102MW Current Measurement Relay
Allen Bradley 700-RTC00110V1 Solid State Timing Relay
Cutler Hammer D60LT3 Current Sensing Relay Transformer
Hiwin Tech 9812963004 Ball Screw 6 X 6 Working Stroke
Ophir 1201400 AN/2 Display for Ophir Thermal Hands
Allen Bradley 1775-MEA 64K Ram Memory
Kuroda Precision RX300042-1 J1 Ballscrew 1000, XM3
Crizaf 0270366AFYE0000?00 ES/2 UO/U2 Conveyor Belt
Grundfos MOT MG 71B2-14FT85-C Motor
Omron C200H-CT001-V1 Counter Unit
Reliance Electric P56X7258M .5-HP 1725 RPM AC Motor
Giddings & Lewis 502-02804-50 EIA Interface Board
Westinghouse 5ACLS-5R 5.08KV 150A 60Hz Fuse
Reliance Electric SP120 S12-403P8LU 2HP AC Drive
G&L 502-02777-50 Digitizing Interface Board – Used
Giddings & Lewis 502-02724-51 Console Interface Board
BANNER MSE2024Y MINI-SCREEN SAFETY LIGHT CURTAIN
Hayes DA-21012-C Driver Amplifier
Landert-Motoren 63-MK-FA4C AC Motor
GE Fanuc 44A397853-G01 TODI/A Card
Banner USCD-1T2 Mircro Control Box
Reliance Electric 10XW4011 VSM500 Speed Drive w/Motor
Price Pump F50AI-369-6A211?-50-36-3T6 1/2 HP Baldor
Computer Products 021-5222 AC Input Module
GE Fanuc IC693MDL751CA Output Module 12/24 VDC 32PT NIB
Westinghouse HMCP070J2C Motor Circuit Protector Breaker
Cincinnati Milacron 3-351-3291A Monitor Control Board
Cincinnati Milacron 3-351-3628A Slide Driver CPU Board
Escort Memory Systems HS900-4 Controller Board
Giddings and Lewis 502-02721-50 ALU Board
Parker SS60105001 Double Solenoid Valve
G&L 502-02718-50 Universal CRT Interface Board – Used
Numatics V1211400900MOO Rodless Locking Cylinder – Used
Gould Shawmut Amp-trap CS-3 A550X200E-1 Fuse
Symbol LS4006I-I100 Scanner
Fasco 066541501 1500/1400 RPM 1/20 HP Electric Motor
GE 5KCP29FK 1540/1150 RPM 1/10 HP Electric Motor
Raycon 30-730044-Rev B Micropulse Backplane – NEW
Baldor 35L486X945G1 1-HP Stainless Steel AC Motor
WEB Printing 800-136-00 Motherboard
A.O. Smith DE3G047N 1050 RPM Electric Motor
GE 44A398716-G01 TRAD2A Board 44A398716G01
Westinghouse A201K1CA Non-Reversing 27-Amp Contactor
Allen-Bradley 1494F-NF100 Disconnect Switch
Muller 120V3H03 DC Drive
Pacific Scientific R33 GENC-HS-ND-NV-0?0 Servo Motor
Superior Electric M091-FF-206C5 Slo-Syn Motor
Marposs 6421610100 E14 Magazine Memory Card 4X16K
SUPERIOR ELECTIC M091-FF-206C5 STEPPING MOTOR
Magnetek CE3F011N 1100 RPM Electric Motor
Boy Machines SB54 Digital Display Board – Used
Boy Machines SB53 Digital Display Board – Used
Koganei MRGH20X200 Slide
Allen-Bradley 1771-IXE/A Thermocouple/Mi?llivolt Module
GE Fanuc 44A397889-G01 CG5D Board For 550
Landis A99304 MPC-FDI Board
Okuma Opus 5000 E4809-032-452-C EC Board
GE Fanuc 44A399752-G02 REG11Board for Series 1050
Marposs 6349340100 Electric Retraction Module
Norton Alundum Grinding Wheel 57A80-RR51
Racine 951940 Driver Board
EMC Clariion 005348430 Main Board Assembly
Cincinnati Milacron 4-531-4020A PCB Board
Cincinnati Milacron 3-531-3490A Slide Driver Board
Pair of Fafnir 2MM9112WI CR DUL SuperPrecision Bearing
TB Woods BY48SAA BY Spacer Sub Assembly CL A
Allen Bradley 1785-LT PLC-5/15 Processor Module
Mace M0-170BQ 17″ Black & White Security System
Giddings and Lewis 502-03113-00 Power Supply and Driver
Yaskawa JANCD-CP11 CPU Board
Heidenhain 251-681-79 Encoder
Gould/Modicon AS-W600-006 Cable Assembly
Westinghouse A201K2CA Model J Non-Reversing Contactor
SCHUNK OSE-A34-4 ROTATE UNIT
Fafnir 3MM212WI DUL Super Precision Ball Bearing NIB
Parker GAW151P-A81V-A Actuator Gripper 150 PSI
Baldor CM3613T 5HP AC Motor
Omron Programmable Controller 3G2C4-SI Expansion Unit
Burks Pumps H22CW0526 T315GA5-1-AI-MV Centrifugal Pump
GE 5KCP39DG 1075 RPM 1/8 HP Electric Motor
GE 5KCP39BG 1000/870/750 RPM 1/20 HP Electric Motor
Emerson Electric Model WC1004 DC Motor Unused
Allen-Bradley 6632-MBSB Modem
Acopian VA5MT900 Regulated Power Supply
Bussman JCL-A-4R Fuse 130A 60Hz
Sensotec 43/0825-02 Load Cell 100LBS 10VDC
Norgren A1277C1 Rev 3 Actuator
Winter 1919-3402 Diamond Dressing Roller
Adept Technologies 13200-00040 FIB Sensor Cable
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