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本特利轉(zhuǎn)速模塊3500/50 本特利轉(zhuǎn)速模塊3500/50本特利轉(zhuǎn)速模塊3500/50 早期的以太網(wǎng)，多節(jié)點(diǎn)共享同一個(gè)傳輸媒體，稱(chēng)為共享以太網(wǎng)(Shared Ethernet)，節(jié)點(diǎn)間通信采用廣播方式，易發(fā)生沖突。共享以太網(wǎng)用CSMA/CD技術(shù)來(lái)避免沖突，即發(fā)送方檢測(cè)到?jīng)_突就暫停發(fā)送，隨機(jī)延遲一段時(shí)間后再重新發(fā)送直到成功。由于延遲時(shí)間是隨機(jī)的，不能事先知道，因而共享以太網(wǎng)的時(shí)間響應(yīng)具有不確定性，不能用于強(qiáng)實(shí)時(shí)性場(chǎng)合。
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IFM ELECTRONIC 20-250V AC/DC PHOTOELECTRIC SENSOR 0G0044 0GP-HB0A/LS
SICK 30-MGS LIGHT CURTAIN MGSS45-12 NIB
OMRON * PHOTOELECTRIC SENSOR * E32-CC200
CAPP/USA SELF CHECKING FLAME DETECTOR 31820
FOXBORO 8300 SERIES MAGNETIC FLOWTUBE 8310-SABA-TSJ-G?FNA
ARM / ELECTRA-FLO THERMAL AIR FLOW TRANSMITTER ESID: 202119
IFM ELECTRONIC 20-250V AC/DC PHOTOELECTRIC SENSOR 0G0044 0GP-HB0A/LS
SICK 30-MGS LIGHT CURTAIN MGSS45-12 NIB
OMRON * PHOTOELECTRIC SENSOR * E32-CC200
CAPP/USA SELF CHECKING FLAME DETECTOR 31820
HIOKI 50-150°C TEMPERATURE PROBES 9029
BANNER BEAM-ARRAY MODEL BME248A-2FOOT EMITTER
IFM ELECTRONIC 10-30VDC PHOTOELECTRIC SENSOR 0J5068 0JH-FPKG/F0/0
ALLEN BRADLEY 42GRL-9000-QD SERIES A 10-264 VOLTS PHOTOSWITCH SENSOR
LOAD CONTROLS INC. TOROID MODEL 30A
BANNER * SAFETY SCREEN PAIR * PVA375P6RQ R / PVA375PEQ
ISSC PULSOTRONIC 9852-0062 90-250 VAC 3000 PSI 3-PIN PROXIMITY SWITCH, NNB
MICROSWITCH 10A, 125VAC LIMIT SWITCH BZLN-10-RH
MOORE-VERNON E00/201D/A01 M922221A647-01 NIB
SICK LIGHT CURTAIN RECIEVER C40-0903CA010
DELPHI OXYGEN SENSOR ES10420 NIB
BALLUFF BNS816-B03-WS-1?2-602-11
USG VACUUM GAUGE 0-30 HG
BANNER MULTI-BEAM SCANNER BLOCK 17625 NIB
BTG PULPTEC 100-240VAC 60VA F2 CONSISTENCY TRANSMITTER JCT-1100
DELPHI OXYGEN SENSOR ES10408 NIB
TELEMECANIQUE PROXIMITY SWITCH SENSOR XSAV12801
STI SAFETY SWITCH ER 4020
BANNER PHOTOELECTRIC SENSOR 48675 NIB
GEMS 212822 PRESSURE SWITCH, NIB
ORIGIN TECHNOLOGIES LASER GAUGE SENSOR HS305-F16
DAYTRONIC SPRING EXTENDED TRANSDUCER DS1000A
CUTLER-HAMMER 90-132VAC 3-PIN PHOTOELECTRIC PROXIMITY SENSOR E58-18DP50-ELPB
ROSEMOUNT SS TEMPERATURE SENSOR/PROBE 79-826-1006
HONEYWELL, MICRO SWITCH PHOTOELECTRIC SENSPR FE-PCIL
EFECTOR 500 PB5322 PRESSURE SENSOR NIB
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