描述
數(shù)字非線性補償電路(圖9)由RTD、誤差放大器、電流源以及μP控制的ADC組成。通過向熱敏電阻注入1mA至2mA的電流,然后測量它在熱敏電阻上產(chǎn)生的電壓進行溫度測量。采用大的注入電流會導(dǎo)致功率耗散增大,使傳感器自身發(fā)熱、導(dǎo)致測量誤差增大。圖中模數(shù)轉(zhuǎn)換器內(nèi)部的 4.096V電壓基準(zhǔn)簡化了電流激勵源的設(shè)計。
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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(福克斯波羅):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。
Indramat AC Servo Line Former NAM 1.3-15 #11229
SCI Circuit Board 080-2441 180-2441 Rev C / B #25089
General Electric Contactor, RL4RA031T, #11896
New Murray LP118DC Electrical Panel 100 Amp #3820
NEW in BOX DME Connector Kit MTC12G #26338
SCI Circuit Board 080-2463 180-2463 Rev F / H B #25094
Cincinnati Milacron 3 531 3448A PC Board #6731
Cutler Hammer Drum Switch 9441H276C #27840
SCI Circuit Board 080-2451 180-2451 Rev D / C #25095
Heater Band 12391, 1000 Watt #22419
Eaton Durant 7 Digit Counter 6-Y-1-RMF-SU #8332
Allen Bradley 6189-RDB15C Versa View 1500H #18710-11
Moog 164-007D-10-B1-?2 Digital Motor Controller #11226
NEW Norgren Connector 4314-52 #23327
Siemens Contactor, 3TD1017-1G, 115-575 Volt, #11897
Applied Heater Band A-56B141, 600 Watt #22420
NEW IR Aro Coil 2F793 #23370
NEW Harting Connector MTC12G #26761
Epson EA-X20027AZ LED Readout Display #13323
Allen Bradley Versaview Logic Module 6189-RPEH #18712
Dwyer Photohelic Pressure Gage 3001C, #6738
New Allen Bradley I/O Scanner Module 17754-S5 A #28825
Bray Chromalox Heater Band 0222-494686 1000W #22421
Nippon Denso 410100-0450 Teach Pendant TP3 #10406
Allen Bradley 700-N200A1 AC Relay, LOT OF 5, # 11817
Boston Matthews Heater Band 2083/052 500 Watt #22423
Temco Heater Band 341M2801, 1215 Watt #22424
Reliance 0-51865-1 Current Loop Driver #22464
Minster Press Speed Synchronizer Control 490-0216 #8299
Triad MG-24-OF-20 Light Curtain Control Box #6739
Barber Colman Maco 4000 41AC-25203-214-?1-00 #23236
Barber Colman Maco 4000 41AC-26203-21A-?5-A0 #23237
Heater Band 343571-370, 300 Watt #22426
Allen Bradley 1756-0B16D Output Module # 18752
SCI Circuit Board 080-2354 Rev E, 180-2354 Rev D #27849
NEW Reliance 0-51865-1 Current Loop Driver #22463
Barber Colman Maco 4000 41AM-25103-214-?1-00 #23238
Carrier / United Tech HT203617-2 Temp Setpoint #11165
ABB BC9-40-00 Contactor #12616
Amicon Drive TPY2-415-280-30?-4B, 25 AMP, #11220
New Allen Bradley Starter 505-BOD-BIE #28824
Amphenol Hood Connector #23338
Watlow Heater Band ME3A3AP3A 1250 Watt #22428
Applied Heater Band A-512C221-X, 1300 Watt #22427
Fanuc A03B-819-C152 Output Module #22455
Allen Bradley Cordset 889N-F3AFC-6F Series B #23371
New Sola Power Supply 28-1203-2, 120V, 360 Watt #28823
SCI Circuit Board 080-2463 180-2463 Rev C / AE #25096
SCI Circuit Board 080-2355 Rev E, 180-2355 Rev B #27860
Allen Bradley 1756-IB16D Input Module # 18744
Applied Heater Band A-35B141-X, 625 Watt #22429
Siemens Drive PROFIBUS TPY2-415-280-30?-4B #11216
Allen Bradley 2711-TC4 Operator Interface #26604
NEW Hubbell Connector Body HBL7464V, 15 Amp #23374
Watlow Heater Band 30786140 #22430
Jackson Harmonic Motion Index Tabel T-14-8CWS-C #22417
SCI Circuit Board 080-2382 Rev L 180-2382 Rev G #27846
Allen Bradley 1305-BA03A-HA1 Frequency Drive #23222
SCI Circuit Board 080-2458 180-2458 Rev B / B #25098
Argus 0310108256N Alphanumeric Display #11770 WHL
Allen Bradley 2711-TC4X Operator Interface #26607
Trivot Heater Band N-21 2545, 150 Watt #24868
Fanuc A03B-0801-C053 Analog Output Module #10416
SCI Circuit Board 080-2470 180-2470 Rev F / BE #25099
New Accu-Sort Systems Scanner Control 4800 #28813
Mitsubishi AD57 Programmable Controller #6752
SCI Circuit Board 080-2354 Rev D 180-2354 Rev C #27859
Watlow Kona Heater Band 81-16-118, 750 Watt #26552
NEW Parker Fluid Power Servo Card EW10-120/D #11359