3E032176

详情描述：

3E032176

3E032176

3E032176

   这里要强调一个问题，是十分简单但却几乎每个项目都会发生的，那就是对PLC的接线。这往往是经验不足的工程师常常忽略的一个问题。其实，现场调试大部分的问题和工作量都是在接线方面。有经验的工程师首先应当检查现场的接线。通常，如果现场接线是由用户或者其它的施工人员完成的，则通过看其接线图和接线的外观，就可以对接线的质量有个大致的判断。然后要对所有的接线进行一次完整而认真的检查。现场由于接线错误而导致PLC被烧坏的情况屡次发生，在进行真正的调试之前，一定要认真地检查。即便接线不是你的工作，检查接线也是你的义务和责任，而且，可以省去你后面大量的时间。


WIEGMANN N412362408SSC METALLIC ENCLOSURE 162600

TRANE BAYECON091A 12-1/2 - 15 TON HORIZONTAL ECONOMIZER

BLACK BOX LB6540A-SM-LH ADAPTA-SWITCH 162874

HEATILATOR GDFL60I 3-SIDED GAS FIREPLACE 36"TALL 163349

CARRIER 17DA711253 NUT-6 FOOT HAND 152679

Perkins Elmer Las Inc. WE016539 ASSEMBLY TORCH MOUNT-AD

APOLLO A650XRPDTL5 50 GALLON GAS WATER HEATER 165305

VIBCO JVS INTERNAL CONCRETE ELEC VIBRATOR 115V 150624

DAY AND NIGHT PHS036L0A00AAA 3T ROOFTOP AIR CONDITIONER

BAY NETWORKS 329390 BRINET MODULES/ASN PLATFORMS 153052

ELKAY SS81241 STEEL SCULLERY SINK/1 FAUCET HOLE 160924

MINUTEMAN M20130-00 1500 RPM FLOOR BURNISHER 40767

RUUD UGPL-07EBRQR 75,000 BTU 2-STAGE GAS FURNACE 150846

APOLLO A675XRPDTL 75 GALLON GAS WATER HEATER 165294

REZNOR F400-E 400,000 INPUT 80% GAS UNIT HEATER 13802

BLACK BOX EB-LR0003A-2UE1 INTERNET ACCESS ROUTER 2

NORDYNE FG6TE060C-VB 60,000 BTU 95% AFUE GAS FURNACE

RHEEM RPNL-048JAZ 4 TON SPLIT SYSTEM HEAT PUMP 13 SEER   

DAYTON 48" EXHAUST FAN 2 TO 7.5 HP 160339

MULTIPLEX 2242M COUNTERTOP DISPENSING UNIT 22546

KNF FLEX PAK 49P1000 BAGS INDY POLY 4M 12 x 16 146143

THERMO SCIENTIFIC IEC3581 CENTRIFUGE MICROLITE 145852

BLADOR 39N090W857H1 40 HP ELECTRIC MOTOR 3500 RPM 50254

TRANE 2TEE3C31A1000A 2-1/2 TON MULTIPOSITION FAN COIL

JACUZZI H547969 72" OYSTER WHIRLPOOL RIGHT-HAND DRAIN

MICRO METROLOGY SYSTEMS MMS20541 COLOR PRINTING PACK

CONSOLE SERVER 16-PORT LS50116-AE-R2 154161

MITSUBISHI PKH18EK 18,000 BTU MINI SS HEAT PUMP 148243

MAJICAIRE MBVD20 3/4 HP FAN COIL UNIT/BELT DRIVE 148603

BLACK BOX MT200A-449/449-R2 T1 MULTIPLEXOR 156970

NORDYNE FG6TE060C-VA 60,000 BTU 95% AFUE GAS FURNACE

DURAMETALLIC B/M138099 SINGLE INSIDE PSS PARTS 56392

BLACK BOX SC121A 2x2 MATRIX SWITCH 162921

JACUZZI R090959 CETRA 536 WHIRLPOOL TUB LEFT HAND DRAIN

RADIOLAN RMG-397-25P WIRELESS NETWORK BRIDGE 164505

DAY AND NIGHT N4A336GLB 3T SS AIR CONDITIONER R410A

ELKAY EWS2520-1H SURGEON STAINLESS STEEL SINK 160629

DAYTON 2HP GRINDER PUMP 480 VOLT 3 PHASE 69836

DAYTON 250,000 BTU VENTED UNIT HEATER 165123

BLACK BOX FX68240A# PHONE LINE MANAGER 162725

JACUZZI Y900958 62x43x19 GALLERY ALMOND FIBERGLASS BATH

DAYTON 30" INDUSTRIAL FAN CIRCULATOR 159206

DAYTON 30" INDUSTRIAL CIRCULATOR FAN 2HP 115/230V 32938

JACUZZI C540969 42x60 OYSTER WHIRPOOL BATH 160669

CLARE OLB-3R 104,400 OUT LOWBOY OIL FURNACE 94191

JACUZZI 9590959 55"x55" WHITE WHIRLPOOL BATH 160129

DAYTON 36 INCH EXHAUST VENT 153723

WINSMITH 930* 30:1 METRIC SPEED REDUCER 58:RPM 65974

KNF FLEX PAK BAGS IND POLY 1000/CASE KNFFLEXPAK 146142

CARRIER 17M4211053 10 3/8" DIAMETER LABYRINTH 150167

CARRIER 50HQ-900541 LOOP CONTROLLER W/A-B OPTION 146289

2.4 GHZ PARANOLIC SOLID DISH ANTENNA LWA021 153277

BLACK BOX MT726A FRAME RELAY ACCESS DEVICE SWITCH

NEW LAU BLA30-30H1.69 BELT DRIVE BLOWER ASSEMBLY 56089

NORTEL AS3104004 20-PORT 10/100 CENTILLION SWITCH

AMERICAN POWER CONVERSION SP562A BATTERY KIT 153717

BLACK BOX MT1000A-E1-13 E1 FIBER MUX 1300NM 155309

CANOGA PERKINS 3240-BU-31-7-M MULTIPLEXER 153043

BLACK BOX LCL163A FDDI REPEATER 153868

VESTIL BLACK-STEEL PLATFORM TRUCK E-CART 147162

EXPANSION MODULE MX223C 153784

PEERLESS MI-03-SV-WPC 70,000 PACKAGED HOT WATER BOILER

BLACK BOX LWU0200-E-US LASER BASE UNIT W/POWER 156986

BRIDGE/ROUTER EXPANDABLE LR6014A-R3 154165

RATE ADAPTIVE DSL LAN EXTENDER 800 LR0061AE 153860

TRANE MCW530AMUA0 2.5 TON MINI-SPLIT INDOOR UNIT 16315

ADP F0AN-100-1-1-1 100,000 BTU NATURAL GAS UNIT HEATER

MITSUBISHI PKH30FL 2.5 TON INDOOR HEAT PUMP UNIT 146003

ESPRIT MX9072 MULTIPLEXER 154163

DAYTON 48" SLANTWALL EXHAUST FAN BELT DRIVE 13445   

BLACK BOX MX9020A TIME DIVISION MULTIPLEXOR 162917

KOHLER K-16210-4A-BN 2-HANDLE BATH FAUCET W/HANDSPRAY

BLACK BOX LB-MGM-BASIC LASER MANAGEMENT SOFTWARE

DAYTON EXHAUST VENTILATOR/CENTRIFUGAL DOWNBLAST 160087

CARRIER 17FA552-118 11" BLADE RING ASSEMBLY 150369

PHOENIX TH6812V2 6800 CFM EVAPORATIVE COOLER 166004

BLACK BOX LR1112A-E1 4-PORT E1 ROUTER RACKMOUNT 155275

BLACK BOX LR1114A-E1 8-PORT E1 ROUTER 155276

BLACK BOX LR1114A-T1 RACKMOUNT 8-PORT T1 ROUTER 155277

BLACK BOX MT185A T3 4-PORT MULTIPLEXER 155310

MITSUBISHI PK36FK 37,200BTU INDOOR FANCOIL UNIT 148153

MITSUBISHI PK36FK 3T AC 37,200BTU INDOOR AIR HANDLER

TRANE CSHS100KB*UB 10 TON SCROLL COMPRESSOR 70177

ZURN Z548-3HB 3" FLOOR DRAIN WITH CLEANOUT 160311

BLACK BOX TS715A SIMM MEMORY TESTER 159707