第一步:阅读产品说明书
第一步看起来再简单不过了,但很多工程师都做不到。
仔细阅读说明书是编程的第一步,首先要阅读安全守则,知道哪些执行机构可能会对人身造成伤害,哪些机构间最容易发生撞击,当发生危险时如何解决,这些最致命的问题都在安全守则中,阅读产品说明书是必不可少的一项。
此外,关于设备每个元件的特性,使用方法,调试方法也在说明书中,不去阅读,即使程序正确,如果元件没有调试好,设备一样不能工作。再有,所有的电路图、气动液压回路图、装配图也在说明书中,需要阅读它才能知道每种元件可以做何种改造呢。
第二步:根据说明书,检查I/O
检查I/O,俗称“打点”。检查I/O的方法很多,但是一定要根据说明书提供的地址依次进行检查,在绝对安全的情况下来检查。
在检查输入点时,一般输入信号无非是各种传感器,如电容、电感、光电、压阻、超声波、磁感式和行程开关等传感器。检查这些元件比较简单,根据元件说明将工件放在工位上,或是移动执行机构检查传感器是否有信号即可。当然,不同的设备检测的方式可能不同,这要看具体情况而定了。
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HonEYWELL CIRCUIT BOARD 514-00900-100 NEW
MICRO MOTION FMS-3 FLOW MonITORING SYSTEM USED
ABB PRESSURE TRANSMITTER 2010TC MODBUS RS485 NEW
LIMITORQUE LIMIT SWITCH SMA-136 NEW
VonWEISE GEAR MOTOR V02265AFAA 120 VOLT ACC NEW
ROSEMOUNT ANALYTICAL PANEL MOUNT 1055 - 01-10-22 PH / ORP NEW IN BOX
FISHER HART FILTER TYPE HF340 MODEL 39B5411X012-A NEW
ALLEN BRADLEY 1336 AC DRIVE 1336-B003-EAD NEW
SCHNEIDER AC IN 115V 16X1 140DAI54000 NEW IN BOX FACTORY SEALED
SQUARE D INDUSTRIAL ConTROL TRANSFORMER 9070 TYPE K75D1 NEW IN BOX
SQUARE ONE / WHEELOCK SIGNAL STROBE AMT-24-LSM NEW IN BOX
CALORITECH THERMOSTAT 60-250 DEG 120/277 VAC NEW
BINSFELD ROTARY TRANSMITTER RT300 NEW
BINSFELD ROTARY TRANSMITTER RT300 NEW
IRIS MODEL S512 VIEW HEADING w/ INDICATOR LIGHT REBUILT
JERGUSON TRI MAGNET LEVEL SWITCH MERCURY FREE JXS1FSA4N1D8/C10
FLOWLINE COMPACT RELAY ConTROLLER SERIES LC11 NEW
THERMAL INSTRUMENT MODEL 62-9 PROBE NEW
FLUID PRODUCTS CO . LEVEL ConTROL SWITCH LCS-501-SS NEW IN BOX
PULSAFEEDER PULSAR 55HL HYDRAULIC DIAPHRAGM METERING PUMP NEW
ENCON SAFETY DRENCH HOSE KIT # 01090098 NEW IN BOX
G.E. SPEEDTRonICS GATE PULSE P.C. CIRCUIT BOARD 363C490G02 NEW
ABB DFS TERMINAL BOARD P/N C-20-0-1112 NEW
CUTLER HAMMER COMPACT PUSH BUTTON E30EA NEW IN BOX
KUNKLE SAFETY RELIEF VALVE 913BHGM03-LE NEW IN BOX
BETTIS ACTUATOR CBA520-SR60 NEW
AGASTAT TIMING RELAY 7012AFI COIL 120V 60 HZ NEW
WILKERSON DIAL AIR REGULATOR R21-04-000 H13 NEW
ALFA LAVAL SANITARY VALVE HT: 173D0932/174D1110 NEW
CAPP / USA 1776-2110-000001 PROCESS ConTROLLER NEW
RELIANCE ELECTRIC REGULATOR BOARD MD-68168 , LHPI-2 NEW
HARNISCHFEGER P&H SWITCH 100E696-7 NEW
SCOTT SPECIALTY GASES MODEL 5SR9700ME996 REGULATOR NEW IN BOX
HonEYWELL DR4500 CHART RECORDER DR45A1-1000-00-000-0-000P00-0 NEW
WATLOW HEATER ELEMENT 7-36-43-21MK , 120V NEW
PANALARM POWER SUPPLY 90P12X1125DC24FC250W NEW
ALLEN BRADLEY DC RELAY 700DC-P400Z24 NEW
ROSEMOUNT SMART TEMPERATURE TRANSMITTER # 644RANAF6 NEW
ROSEMOUNT ANALYTICAL DUAL INPUT INTELLIGENT ANALYZER # 1056-01-24-38-HT NEW
BALDOR VARIABLE SPEED DRIVE CAT # VS1SB41-1B NEW IN BOX
La MARCHE POWER SUPPLY P60-166A ECN16451 NEW
ALLEN BRADLEY OVERLOAD RELAY 193-BSB16 NEW IN BOX
WonDERWARE INTOUCH 5.6 RUNTIME 01-506 SOFTWARE NEW IN BOX
ALLEN BRADLEY 1794TBN SERIES A TERMINAL base NEW IN BOX FACTORY SEALED
ALLEN BRADLEY 1409-N2 ARCING GROUND FAULT SENSOR NEW
GENERAL ELECTRIC DC MOTOR 5CD163SA056A017 , 15 HP , RPM 1750/2300 V 240 NEW
LIMITORQUE PANEL MOUNT DOUBLE TORQUE SWITCH , MODEL SMB-00 , 4-pst , NEW
STOCK SCHNEK PROCESS GROUP 196NT ConTROLLER NEW
STOCK SCHNEK PROCESS GROUP 196NT ConTROLLER NEW
ROSEMOUNT HART LOOP ANALOG SIGNAL ConVERTER 333UC2 USED
FANUC A1F01A INTERFACE MODULE USED
WESTINGHOUSE CURRENT LIMITING FUSE 1A96199H01 800AMP 1000V NEW IN BOX
ISE ELECTRonICS CORP. PRINTED CIRCUIT BOARD P/N CU20045SCPB-T23A NEW
AMETEK PRESSURE TRANSMITTER PG3000-050-48 NEW
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THERMO ON-LINE SODIUM ELECTRODE w/ SCREW CAP ConNECTOR P/N 210048 NEW IN BOX
TECHNOLOGIES INC. SERVO MODULE ORN-DHA NEW IN BOX
REVERE LOAD CELL MODEL STS-.5-A CAPACITY 500 LBS NEW