描述

1.一定要關(guān)注負載容量。

輸出端口須遵守允許最大電流限制，以保證輸出端口的發(fā)熱限制在允許范圍。繼電器的使用壽命與負載容量有關(guān)，當(dāng)負載容量增加時，觸點壽命將大大降低，因此要特別關(guān)注。

2.一定要關(guān)注負載性質(zhì)，

感性負載在開合瞬間會產(chǎn)生瞬間高壓，因此表面上看負載容量可能并不大，但是實際上負載容量很大，繼電器的壽命將大大縮短，因此當(dāng)驅(qū)動感性負載時應(yīng)在負載兩端接入吸收保護電路。尤其在工作頻率比較高時務(wù)必增加保護電路。從客戶的使用情況來看，增加吸收保護電路后的改善效果十分明顯。

根據(jù)電容的特性，如果直接驅(qū)動電容負載，在導(dǎo)通瞬間將產(chǎn)生沖擊浪涌電流，因此原則上輸出端口不宜接入容性負載，若有必要，需保證其沖擊浪涌電流小于規(guī)格說明中的最大電流。

3.一定要關(guān)注動作頻率。

當(dāng)動作頻率較高時，建議選擇晶體管輸出類型，如果同時還要驅(qū)動大電流則可以使用晶體管輸出驅(qū)動中間繼電器的模式。當(dāng)控制步進電機/伺服系統(tǒng)，或者用到高速輸出/PWM波，或者用于動作頻率高的節(jié)點等場合，只能選用晶體管型PLC

對擴展模塊與主模塊的輸出類型并不要求一致，因此當(dāng)系統(tǒng)點數(shù)較多而功能各異時，可以考慮繼電器輸出的主模塊擴展晶體管輸出或晶體管輸出主模塊擴展繼電器輸出以達到最佳配合。

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主營：世界知名品牌的PLC、DCS系統(tǒng)備件模塊

①Allen-Bradley(美國AB)系列產(chǎn)品》

②Schneider(施耐德電氣)系列產(chǎn)品》

③General electric(通用電氣)系列產(chǎn)品》

④Westinghouse（美國西屋）系列產(chǎn)品》

⑤SIEMENS(西門子系列產(chǎn)品)》

⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。

⑦estinghouse（西屋）：OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。

⑧Invensys Foxboro（?？怂共_）：I/A Series系統(tǒng)，F(xiàn)BM（現(xiàn)場輸入/輸出模塊）

順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號處理、數(shù)

據(jù)通信及處理等。Invensys Triconex:冗余容錯控制系統(tǒng)、基于三重模件冗余（TMR）

結(jié)構(gòu)的zui現(xiàn)代化的容錯控制器。

⑨Siemens(西門子)：Siemens MOORE，Siemens Simatic C1，Siemens數(shù)控系統(tǒng)等。

⑩Bosch Rexroth（博世力士樂）：Indramat，I/O模塊,PLC控制器,驅(qū)動模塊等。

◆Motorola（摩托羅拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。

EMI Plastics Centering Pin ZTB20 #16543

Norgren T74E-4AA-P1N Lockout Valve #10621

Van Dorn Left Rear Clamp Access Panel #24404

Barber Colman A-13012-5 Maco 8000 PC Board #20529

Barber Colman Temperature Control 180 PARTS ONLY #16935

Van Dorn Right Rear Clamp Access Panel #24405

Siemens Contact 5SX2 5SX9100 LOT OF 2, #8534

Barber Colman Temperature Control 185 PARTS ONLY #16936

Siemens 6ES5 100-8MA02 CPU Module #26616

Conair Franklin 24-89 Ribbon Cable #17525

Shibaura H0550565 Inj Molder Circuit Board #6753

NEW Allen Bradley Limit Switch, Z-16069, #11973

NEW Henkel Loctite Vari Drop Repair Kit 97249 #24832

Barber Colman A-13543-200 Maco 8000 PC Board #20538

Conair Franklin PH & NRibbon Cable #17427

Conair Frankin Vacuum Pump w/ Sound Enclosure #2169

Fusetron Time Delay Fuse FRS-R600 600Amp #17806

Van Dorn Rear Access Panel for Motor Left Hand #24113

Conair Franklin 66900 46-83 Ribbon Cable #17430

Rexroth VT 5011 S 42 R1 Proportional Amplifier #26623

Conair Franklin 38-96 Ribbon Cable #17431

Barber Colman A-13042-101 Maco 8000 PC Board #20539

Psytonics Voltage Surge Suppressor P1301 #10054

NEW Henkel Loctite Vari Drop 97132 Applicator #24833

Barber Colman A-13017-5 Maco 8000 PC Board #20534

Square D Roller Plunger Limit Switch 9007AW36, #12397

Pepperl & Fuchs Micro Switch 008666, N18-18G1 #17568

Numatics Proportional Valve L01SA4592 150 PSIG #23356

New Phillips Video Amplifier LTC2376/60 #28815

NEW Rosedale D6303F1150CVSPB Filtration System 6061 WHL

LOT of 2 National Receptacle WK3001, 15 Amp #24847

Barber Colman A-13016-5 Maco 8000 PC Board #20537

Barber Colman A-13016-105 Maco 8000 PC Board #20532

GE AF300 Micro Saver Drive 6KAF343F50MSA1 #22335

Pomona Coaxial Cable 2249-M-60 #17227

Barber Colman A-12501 Maco 8000 PC Board #20540

Reliance Electric IRCE Card 0-51839-4 #22337

Barber Colman 6NNN-CE2CB-E00-?B-00 Injection Ctl #16471

Barber Colman A-11467 Maco IV Operator Panel #22323

Reliance 0-54349-2 Phase Sequencer Board #23116

RJG Technologies Trigger Adapter & Ribbon TB-321 #24852

Toshiba H01195-3 Inj Molder Circuit Board #6758

Barber Colman 45C2-00061-300-?104 Injection Ctl #14846

ASD Robotic Arm End, Flip & Rotate, #6193

NIB Reliance 0-5823 DFSA Board #23209

Hotse Cartridge Heater 398 1176 5 #18692

Siemens C98043-A1045-L Monitor Card #6744

Toshiba H01200-3 Inj Molder Circuit Board #6759

RST Cartridge Heater 631BCD (AB99) #18691

Toshiba H01199-3 Inj Molder Circuit Board #6760

Baldor Industrial Motor JM3120 1 1/2 Hp 4/2 Amp #12007

Boy Injection Unit #6383 WHL

Applied Cartridge Heater 480BH2-10 1200w #18694

Barber Colman 40AA-2S0SC-000-?B-00 Injection Ctl #14845

New Allen Bradley AC Servo Controller 1394-AM07 #28810

Toshiba H03790-1 Inj Molder Circuit Board #6761

M-tek Hopper/Feeder, LOT OF 2, #6966-67

Hammond MT150QG Transformer, VA 150, #1634

AIC Equip. Cartridge Heater 3310-WB-A0-060-?096 #19230

Toshiba H01196-3 Inj Molder Circuit Board #6762

Boy Injection Unit 50M #6395 WHL

Nippon Denso Servo Teach Pendant 463870-0210 #10407

Toshiba H01198-4 Inj Molder Circuit Board #6763

Reliance 0-51811-1 Voltmeter Tester Card #22289

Fuji Electric Auto Breaker EA52 2 pole 20 Amp #5319

Shibaura H076374 Inj Molder Circuit Board #6764

Dayton Capacitor Start Motor 6K972K 2 Hp, #12008

Pleiger Screw Motor MO 2000 770 Tn Van Dorn #26356

Toshiba H01204-2 Inj Molder Circuit Board #6765

New Engel Industrial Screw Tip 60 mm, 2686-A #22238

Toshiba H01202-1 Inj Molder Circuit Board #6766

Allen Bradley Contactor 100-A18ND3 #13674

Festo Cylinder DPZ-16-40-PA, #5330

Festo DSN-25-100P, Series E908, 10 bar 145 psi, #5333

NEW Humphrey Twin Cylinder, 16 mm, HTBDA, #5332

Toshiba H01201-2 Inj Molder Circuit Board #6767

Allen Bradley Contactor 100-A30N*3, Series B, #13669

Toshiba H0936930 Inj Molder Circuit Board #6768

New Allen Bradley 5150-RS I/O Scanner Module #28821

Indramat CTA10.1B-001-FW Operator Interface #8324

Smith Blaire Full Circle Repair Clamp #1628

NEW? Timken Tapered Roller Bearings 66212 #1658