理论课的首要任务是让学生明确PLC是什么？PLC能做什么？怎么做？教师可以通过一个简单、形象实例
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良好的接地是保证PLC可靠工作的重要条件，可以避免偶然发生的电压冲击危害。PLC的接地线与机器的接地端相接，接地线的截面积应不小于2mm2，接地电阻小于100Ω；如果要用扩展单元，其接地点应与基本单元的接地点接在一起。为了加在电源及输入端、输出端的干扰，应给PLC接上专用地线，接地点应与动力设备（如电机）的接地点分开；若达不到这种要求，也必须做到与其它设备公共接地，禁止与其它设备串连接地。接地点应尽可能靠近PLC。
（1）将输入信号送入PLC中存储起来。
当前流行的三菱PLC的编程软件为FXGP_WIN-C与GXDeveloper，FXGP_WIN-C没有仿真功能，在理论讲授中缺乏直观性，而GXDeveloper编程软件加装GXSimulator6-C后具有仿真功能，在编程器件、指令与编程实例的讲解中利用仿真可以加强直观性，便于学生的理解，对于某些程序的检验与编写学生可以不用到实验室，直接利用学校机房结合软件的仿真功能完成，这样既增强了学生自主学习的能力，提高了学习兴趣，也提高了学习的效率，学生不用走进实验室也能使理论教学与实验教学同步进行，大大提高老师的教学效果以及学生的理解和接受能力。
根据输入、输出点数要求，选择40点CPU模块LM3109和4通道模拟量输入模块LM3310。控制系统的开关量输入主要包括运行方式切换按钮、设置按钮以及各动作按钮等。系统的模拟量输入包括温度变送器信号输入和压力变送器信号输入。系统的输出包括电机、电磁阀、指示灯等。触摸屏用于输入参数，同时监控当前运行状态和时间。计算机作为远程监控的设备，可以与PLC连接，用于保存和监控胶囊硫化机的运行状态。胶囊硫化机的控制系统主要实现了对硫化各个阶段的压力、温度和时间的**控制、故障检测与报警、参数记录及通讯等工作。
实验、实训与上机课可以采用自主学习方式。自主学习方式是一种学习者在总体教学目标的宏观调控下，在教师的指导下，根据自身条件和需要自由地选择学习目标，学习内容和方法，并通过自我调控的学习活动完成具体学习目标的学习方式。自主学习离不开教师的适时指导与评价，学生只有在教师的适时帮助下，才能不断地完成一个又一个实验与实训项目，获得越来越大的成就感，增加自己自主学习的动力，从而保证自主学习方式的良性发展。教师还必须结合理论课程的进程，结合实验实训设备编写由浅入深、逐步递进、面向不同层次学生的实验实训指导书，为学生的自主学习提供有力的理论支撑。
5）根据执行的结果，更新有关标志位的状态和输出映象寄存器的内容，通过输出单元实现输出控制。有些PLC还具有制表打印或数据通信等功能。
BAILEY 6621374A1 PCB CIRCUIT BOARD D465135
HEISE 711B TRANSDUCER
INGERSOLL RAND 666111-244-C ARO 35GPM 100PSI SS DOUBLE DIAPHRAGM PUMP D515663
Asyst 3200-4236-01 Assembly 4002-8268-01, 4002-8551-01, 4002-8130-01 ASSY KIT
NEW AMAT 0100-35112 ASSY, PCB, RF PEAK DETECTOR
AMAT 1000-16770 Valve, PNEU W/ KF, NW40, Inline Isolation Valve
MITSUBISHI IF03B BN624A074H03
XWT-ID16-1
OMRON SYSMAC SCY-PO 13E
Mitsubishi Contactor SD-K220UR Aux. Contact Unit
Honeywell V4730C11050000 Gas Valve w KTUSA005 Cable
ENTRELEC STOPCIRCUIT 40A 2 POLE GMB 40U 415VAC/48VDC
FOXBORO I/A SERIES REV-0H FIELDBUS ISOLATOR P0400VE
PP169 CPU British Federal WS9000i 213578D 293100-D0
1IN SHAFT 2-1/4IN OD 12IN LENGTH STAINLESS WORM GEAR D355871
（2）元器件绘制
SEW EURODRIVE DFT80K4BM61HR 0.75HP 230/460V-AC 1700RPM
THOMAS VA-1 DAY-BRIGHT TOP COVER ASSEMBLY FIXTURE LIGHTING D455661
INDRAMAT 24.8A BRUSHLESS SERVOMOTOR MAC 090C-0, LABEL
DD373 BBC Motor FD MC13 S ASS-AG M40B Registron Bobst 703-WM links
17-1/2X3/4IN STAINLESS SHAFT REPLACEMENT PART D2560
WENTECH DT13-120 DC TO DC TRANSMITTER PCB CIRCUIT BOARD D510502
RENOLD C2050HSCK2CLSC ROLLER CHAIN link 1-1/4IN PITCH D267845
DATALOGIC GD4330-BK GRYPHON BARCODE SCANNER 5V-DC 260MA SENSOR D508292
GOODYEAR C240 HY-T PLUS MATCHMAKER 242 IN 7/8 IN V-BELT D514981
NEW AMAT 0150-94602 CA PRINTER J3.SCIM BOX
AMAT 1270-90100 Switch Flow" SST 402099
AMAT 0190-29887-001, Verity FL2006 Flash Lamp, 1007454, 24V, 30 W, HZ, 416043
REXNORD 882TAB TABLETOP CHAIN 4FT 7-1/2 IN 1-1/2 IN
XWT-ID16-1
IFM EFECTOR 500 PRESSURE SENSOR PA3521 PA-250-SBG14-A-ZVG/US ! NEW IN BOX !
GE Fanuc IC600CM552A Series 60 Memory Board
NACHI ROP501 TEACH PENDANT
SULLAIR 02250055-911 COMPRESSOR REGULATOR REDUCING
MATSUSHITA * AC SERVO MOTOR * 4061N821E19
ON114 Lichtschranke Sender Leuze Electronic DLS 78/2Se.3.1
HonEYWELL Q601E 1000 1 VALVE BRACKET & linkAGE D512091
（2）程序改写了系统参数区的内容，却没有初始化部分。
UNITED ABRASIVES 24050 1-BF STUD KING 14X3/32IN 1IN ARBOR CUTTING WHEEL D503939
OMRON G3NA-210B SOLID STATE RELAY 10A QUANTITY
FISHER ConTROLLER REPAIR KIT R4150x00H22 NEW
DG101 Klaschka Erweiterungsteil Secon SET D-1.03 33.05-10
GOODYEAR 4/5V1800 HY-T WEDGE TORQUE TEAM 180X2-3/4
REXNORD 4705 MATTOP CHAIN 37-1/2 IN 18 IN 1-1/2 IN CONV
ASEA YS130104-BR THYRISTOR DIODE D498212
ASCO JB8342C22 120V-AC 1/4IN NPT SOLENOID VALVE D374898
HARLAND C-FB68 FEEDBACK UNIT PCB CIRCUIT BOARD D520705
AMAT 1410-00158 Heater Cartridge .371D X 7.0L 240V 500W R
Fujikin FUSDBL-21L-6.35-APY Surface Mount 2-Port Diaphragm Valve C-Seals 401969
AMAT 0200-40080, Clamp, SNNF, JMF, EXC, 200MM, 395765
RA JonES 243716 ALUMINUM VACUUM SHOE RETAINER D3910
XWT-ID16-1
SCHMEARAL BNS 250-11z
Adept 10300-11200X PDA JIB Board Joint I/F BD Rev. Y
Dialogic Corporation 3120-X020-14 Rev. C VCS Card Text to Speech 99-0213-002
HOKUYO FC-5C FC-5C04 FC-5C-04 TYPE QUANTITY! FORK / U-SHAPED PHOTO SENSOR W/..
GENERAL ELECTRIC PROCESS INTERFACE BOARD 531X133PRUAJG1
DD258 Bobst Power Supply Stromversorgung 704 1116 02 704111602
FLOMATIC B93RK99 BF RUBBER KIT RPZII 1/2-3/4IN REPL
21世纪，PLC会有更大的发展。
NUMATICS 253SA43AK000030 110-120V-AC 3/8 IN NPT SOLENOID VALVE D516450
HARTING HAN 32 EE-F-C FEMALE 32 PIN ConNECTOR NEW IN BAG!! QUANTITY!!
PRECISION DEVICES 115V 60HZ DIGITAL SURFOMETER, PDA-12B
PP713 GE Fanuc CPU Module 351 IC693CPU351 FN ic693cpu351fn
MULTITECH SYSTEMS MT932BA MULTIMODEM II INTELLIGENT MODEM 14-16V D523840
PURUP 69999804 ESKOFOT BARCO IMAGING MODULEX SCANNER ConTROLLER D404152
AMMERAAL BELTECH 157254 SS CLIPPER LACE 241-1/2 IN 43-3/4 IN ConVEYOR D503930
FOXBORO 43EP-P/PB-CC/73SI-F799 0-6PSI RANGE ConTROLLER D469585
ANDERSON GREENWOOD M4AVS 02-2565-541 STAINLESS MANIFOLD
Applied Ceramics 9701-5635-01-A Assy, End Effector, Assive, 450, 330047
RFPP LF-5 RF GENERATOR 0920-01014 WITH ASTECH ATL-100RA RF MATCH, 3 CABLES
SensArray 1530D-8-0010 8" Single Probe Wafer 0-1100 C, Type K Thermocouples
SEW EURODRIVE USS21A 8229147
XWT-ID16-1
RELIANCE P56H5047H 1/2HP 208-230/460V-AC 3450RPM FB56C 3PH MOTOR D515475
Parker Bayside Servo Hydraulic Pump Gearmotor PS180-050-062SD
S. HIMMELSTEIN 2022P3-04 (24-1) REACTION TORQUEMETER, S. HIMMELSTEIN 2022P3 NEW
ALLEN-BRADLEY 1756-BATM A REV.D02 96391474 REV.A01 ConTROLLOGIX BATTERY MODULE
KEYENCE LIGHT CURTAIN TRANSMITTER AND RECEIVER SET SL-C48HM
PP699 Siemens 115u cpu 943b 6ES5943-7UB21 6ES5 943-7UB21 e6
17 TOOTH STEEL 1 IN SINGLE ROW CHAIN SPROCKET D505938
3.出错指示（［EPROR］LED灯亮）
TEK-AIR T-FVC-2212 FUMEHOOD FACE VELOCITY MonITOR ConTROLLER D463020
TOLOMATIC PB17 SK30 3 IN 1-1/16 IN POWER BLOCK ROD SLIDE CYLINDER D508873
ATLAS COPCO SERVO MOTOR BSM 43180C-R2.5 4230 1904 80 W/ TORQUE SENSOR T258-112-A
MU34 Bender USGG151RY UG Isometer
MEASUREX 08488600 4886 I/O COMM 12/15V-DC REV D POWER S
ROPER 2919 TYPE 1 HYDRAULIC GEAR PUMP 2IN INLET/OUTLET
HUB CITY 0220-64668 454 50/1 A WORM GEAR 50:1 143TC GEAR REDUCER D267374
FANUC A03B-0807-C106 INPUT MODULE AID32F1
MOTOROLA SJ2907 2-PIN POWER TRANSISTOR D480863
Lot of 15 new Briskheat CENTMOD-F Ethernet Module
Varian, NW-25 Vacuum Isolation Valve, L5991-306
HP 8712B RF Network Analyzer
PSC 1356838 1-9/16IN BORE 59 TOOTH STEEL GEAR D3298
XWT-ID16-1
SIEMENS RGZZVESD PF-21 PLUS 5HP 460V-AC 1760RPM 215
Siemens 3RG7651-0AB00 PXO220 Sensor Opto-BERO M18
Foxboro D0139NN Control Circuit Board
TELEMECANIQUE LA3-D24 10-180S OFF DELAY TIMING RELAY
PARKER 1/4" GREEN PUSH-LOK HOSE, 400FT 801-4
.W354 Pilz P1M-1NK 24V 479115
AAF 331-953-148 VARICEL 24IN X 24IN X 12IN FILTER ELEMENT D481826
在FANUC-PMC-L中有两种指令：基本指令和功能指令。当设计顺序程序时，使用**多的是基本指令，基本指令共12条。功能指令便于机床特殊运行控制的编程，功能指令有35条。
VICKERS 10-07585-02 DOUBLE A HYDRAULIC VALVE STEEL WASHER CUP D490396
FUSETRON FRN-R-60 QUANTITY! TESTED! TIME DELAY FUSE
RELIANCE ELECTRIC AUTOMATE PROGRAMMABLE ConTROLLER 45C400A
HT651 Drehgeber Baumer Electric BHF 06.24K125-L2-A
LEXMARK 12A7465 GENUINE TonER CARTRIDGE D524635
PRESSURE PRODUCTS I FLANGE STEEL GLASS SIGHT 6 IN 150 PSI D521864
CHERRY DC1 125-250V-AC 5A AMP SWITCH D510887
DELAVAL 9021-M BARKSDALE 1/4 IN NPT PNEUMATIC DIRECTIonAL VALVE D473197
LOT 5 AMPHENOL 97-3102A-14S-9S ConNECTOR ELECTRICAL RECEPTACLE D263371
Horiba Stec MFC SEC-4400, SEC-4400RC, C3F8 gas, 50 SCCM, S2263363
NEW AMAT 0150-02639 CABLE ASSY SRD LIFT MOTOR ENCODER
MDA Scientific 872107-1 Analyzer, HF/Minera
VALBIA MOD.DA 32 80DA0007 PNUEMATIC AIR ACTUATOR ACTUATOR
XWT-ID16-1
IFM: AC2801 CabinetModule 4DI 4DO R ST
General Electric IFC77A1A Overcurrent Relay 12IFC53M8A
Red Lion 4410600 Flange Mount Rotary Pulse Generator
FUSETRON FRS15 600V TIME DELAY FUSE TESTED! QUANTITY!
FOXBORO EXPANSION OUTPUT DM400YP FBM 13 REV-0A 105079
HT580 Processor Unit Allen Bradley Logix 5550 1756-M2/A 1756-L1/A
GLOBE GEAR G1688 3/4IN BORE GEAR REPLACEMENT PART D
1.分配I/O点
PERSKE VS 31.09-2 0.4KW 133V-AC 11300RPM 3PH AC ELECTRIC SPINDLE MOTOR D494755
ALLEN-BRADLEY 42MTB-5001 PHOTOSWITCH TERMINAL base
ATLAS COPCO * K256871 PERMANENT MAGNET BRUSHLESS SERVO MOTOR * 303-027 * 303-0
W486 Sick Reflexlichtschr?anke WL36-B730 1008848 Neu
KOCH EQUIPMENT 40365 CARTRIDGE REDUCING ELBOW 90 DEGREE ANGLE D432622
PARKER D3A1C DIRECTIonAL ConTROL HYDRAULIC VALVE D439226
ICC 3800 3DLD DIGITAL LOOP DETECTOR 115V-AC 6.5W D52284
FOXBORO 20B B0134HG 2-150PSI 1/4 IN NPT PNEUMATIC PRESS
ADEPT 10300-15520 B+ REV M SERVO AMPLIFIER D522939
ANAFAZE 22725-100 Assy, Measurement and control Dual DAC
Matsushita NAIS Aicure ANUP5255V2 UV Curing System, 100-240V, 50/69Hz, 415679
RFPP Interlock Meter, RF Power Products
SPEE-DEE PACKAGING 711046102 DRIVE COLLAR 2-9/16X1-SPEE-DEE PACKAGING 711046102 DRIVE COLLAR 2-9/16X1-1/4X13/16IN D273930
XWT-ID16-1
SET OF 3 GE CR123F149C OVERLOAD RELAY HEATER ELEMENT D520890
Fanuc Servo Amplifier Drive A06B-6058-H321 A16B-1100-0280 08A
Allen Bradley 6185-EACABBZ Ser. A Operator Interface Monitor 20 inch
NUMATICS 122BB400M0000F QUANTITY! DOUBLE SOLENOID 2 POS. 4 WAY MANIFOLD VALVE
MITSUBISHI, MAC647PI, AC EXTENSION PIPING KIT, 22.9 FT, NIB
DD126 Bosch Rexroth CL400 1070075819-207 E2 OVP
MARTIN 50BS14HT 1-1/8 IN SINGLE ROW CHAIN SPROCKET D501291
（1）输入故障，即操作人员的操作失误；
TIERNEY GP-1 AC150-8T13F 50KVA 1PH 480V-AC 120/240V-AC TRANSFORMER D490096
HAAS-LASER LLR 18-06-49-00 19-06-49-AH V1.2 PCB QUANTITY!!
FANUC ROBOTICS ROBOT CABLE O119-AT0R 517-E1
TU452 Telemecanique Twido TWDAMI8HT
MERLIN GERIN D15A MULTI9 C60 3P 15A AMP 240V-AC CIRCUIT
NUMATICS 081SA4002000030 100-115/110-120V-AC 1/4 IN NPT