描述
RS-485與RS-422一樣,其最大傳輸距離約為1219米,最大傳輸速率為10Mb/s。平衡雙絞線的長(zhǎng)度與傳輸速率成反比,在100kb/s速率以下,才可能使用規(guī)定最長(zhǎng)的電纜長(zhǎng)度。只有在很短的距離下才能獲得最高速率傳輸。一般100米長(zhǎng)雙絞線最大傳輸速率僅為1Mb/s。
優(yōu)勢(shì)現(xiàn)貨,詢不到的,買(mǎi)不到的,請(qǐng)聯(lián)系我們!+3
絕 對(duì)優(yōu)勢(shì),絕 對(duì)低價(jià)!絕 對(duì)正品,優(yōu)質(zhì)的產(chǎn)品,一流的服務(wù),充足的庫(kù)存,
歡迎來(lái)電詢價(jià),我們將會(huì)給您最優(yōu)惠的價(jià)格!
主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)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(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門(mén)子系列產(chǎn)品)》
⑥銷(xiāo)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(chǎng)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(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)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(cuò)控制器。
⑨Siemens(西門(mén)子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂(lè)):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
APPLIED MATERIALS(AMAT)LCR ASSEMBLY,10MM C.A.
SST 4 CHANNEL DEVICENET PRO VME P/N 5136-DNP-VME-4
AMAT 4-CHANNEL DEVICENET INTERFACE CARD 0190-00899
APPLIED MATERIALS(AMAT)CELL COVERS P/N 0045-00171
APPLIED MATERIALS(AMAT)SUSCEPTOR RETROFIT 0227-06669
AMAT GATE SEAL,25×560 VITON 3700-04313
ASTI(USA)LITE,BOTTOM PVI TRIPLEX 08-79563-03-80?0
SEMITOOL ANODE INERT 300MM P/N 110T0198-01-NEW
BERENDSEN FLUID POWER TUBE,AG 7310-2841-02
VALCOM SENSOR PRESSURE VAPOR PRIME 2-39-52300 C37GI-SR1
TEL PCB,E2B101-16 PPC MBE280-000001-1?6
XANTREX XHRAMAT POWER SUPPLY UNIT P/N XHR120V-10A
TEL INSULATOR,BOTTOM P1 DRM2-P60 1D10-100386-11
BUCHANAN ACTUATOR,AXIS RS-I-30-100-360?-T1-M-K-L-G1-SP
APPLIED MATERIALS(AMAT)VTEX CASE KIT 3870-03577
TEL RING,FOCUS PM 4.0 ES3D10-200330-1?2
RING,CENTERING-Y SCCM ES1D10-203753-1?2
APPLIED MATERIALS(AMAT)INSULATOR ADAPTER 0200-02700
AMAT RING,COVER 300MM 0021-16783
NOVELLUS ASSY,MAIN DETECTOR 40-00214
AMAT LTS,LEG,ISOLATO?R(SIN LEG,NO VALVE)8008-0124-000
DNS WAFER,GUIDE IF HAND FDR SK2000 2-39-64983
IDE CARD,SIO 10332-22000X
AMAT COVER RING,SMALL ID,AL ARC-SPRAYED 30 0021-18485
APPLIED MATERIALS(AMAT)DEPOSITION RING P/N 0020-60201
AMAT TUBE,NICKEL LIFT 0021-26635
STI ASTI(USA)INC PC,SYSTEM RPC-500N/PS ESY0011
AMAT RING,6″PEDESTAL,B101 HTR,CERAMIC,SL 0200-0172
AXCELIS PLATE,BAFFLE ES3 LOWER QUART 477974-D
KENSINGTON PCB,Z-AXIS NANO 9000 4000-6002 9407-0925
AMAT LINE,1/4″-3/8″VENT/D?EPOSIT,DIELECTRIC 0050-26836
BMT OZONE ANALYZER BMT 964
DNS ASSY,BAKE CHAMBER RHP MID 2AEJ0161
LAM GATE,50MM X 336MM,VITON,AL WTS L/L 60-121857-00
ASTEX HEAD,MAGNETRONC?ENTURA D13449
DNS CONTROLLER COATER 2-39-63350
DNS PCB,INDEXER 2-VC-31457-1 GVC 000 B#1 GEDC-0021
SAN LAB SYSTEMS HUB 1.5 IN DIA 70MM VHSLS1049 SLS1042
AMAT SUSC ASSY T2 WELDED,100 MM SO/N 0190-09401
A.G.ASSOCIATES PCA,12 BIT A/D MOD 7100-5123-03
AMAT HE COLD TRAP WATER COOL DBL-COIL 8.00 3380-01064
PARTICLE RING,SUSPENSION LINER LPC 2501244-01
AMAT E423 DIGITAL CURRENT MONITOR 1070-00034
AMAT 95K CONDENSER LENS APERTURE KIT,INSITE 0190-15113
KEYENCE ALIGNER,LASER LX-132T/LX-132R
AMAT ILLUMINATION MODULE CMP 0010-A0184
AXCELIS TECHNOLOGIES ARC CHAMBER W ELS/VAE 17133310
GOULDS PUMP DI WATER W MOTOR X4188700 2SVC1G5E0 250802
TERADYNE PCB ASSY GPIB-1014 WITH INTERFACE CARD 180155
AMAT GATE VALVE,INSERT-DN160 3870-04640
APPLIED MATERIALS(AMAT)MOTION CONTROL P/N 0190-25610
USHIO CONTROLLER,EXP 9605016
METRON GAUGE,DCP 7100-5622-02
ACCRETECH PSU,ASSY VIZYX 593-13713 MP6-2D-1E-1L-4L?E-01
SCP GLOBAL TRANSDUCER,XDUCER ASSY STQD8 1074849.501.1
TERADYNE CARD,RELAY CHANNEL 32-63 239-009-00
AMAT LCD MONITOR FDT 19″0850-00083
APPLIED MATERIALS(AMAT)CLEAN ESC FEEDTHRGH 0015-a2440
AMAT DEPOSITION RING,8″SNNF,ESC,9MM,AL 0020-91578
AMAT HARNESS AMPULE REFILLABLE LEVEL SENSORS 0226-96762
VARIAN READER,BAR CODE BM35708
AMAT CLAMP RING 6″JMF TI 2MM E/E 00402ARS 0020-28142
MILLIPORE CORP CONTROLLER,SERIAL PUMP GEN-2 WGEN22CN0
AMAT OMS OREGON MICRO PCB VS4 4 AXIS 0190-03503 VS4-040
NOVELLUS ASSY,ARM R LTM VCTR 02-157059-00
MKS INSTRUMENTS VALVE,EXHAUST THROTTLE 653B-13048
VARIAN DUMP,BEAM CHAMBER 110 DEG 6194100
AMAT ASSMBLY,DOUBLE PURGE,1-1/8″SURFACE M 0010-10891
AMAT KIT,20 SCCM,STEC,MFC W HRDWR-UNIB 0242-30302
SEMITOOL CAROUSEL,FULL BOAT 2300 A192-80M-0215-P?FA