西門子(SIEMENS)公司的PLC產(chǎn)品包括LOGO、S7-200、S7-1200、S7-300、S7-400等。 西門子S7系列PLC體積小、速度快、標(biāo)準(zhǔn)化,具有網(wǎng)絡(luò)通信能力,功能更強(qiáng),可靠性高。S7系列PLC產(chǎn)品可分為微型PLC(如S7-200),小規(guī)模性能要求的PLC(如S7-300)和中、高性能要求的PLC(如S7-400)等。西門子股份公司是全球*的技術(shù)企業(yè),創(chuàng)立于1847年,業(yè)務(wù)遍及全球200多個(gè)國(guó)家,專注于電氣化、自動(dòng)化和數(shù)字化領(lǐng)域。作為大的高效能源和資源節(jié)約型技術(shù)供應(yīng)商之一,西門子在海上風(fēng)機(jī)建設(shè)、聯(lián)合循環(huán)發(fā)電渦輪機(jī)、輸電解決方案、基礎(chǔ)設(shè)施解決方案、工業(yè)自動(dòng)化、驅(qū)動(dòng)和軟件解決方案以及醫(yī)療成像設(shè)備和實(shí)驗(yàn)室診斷等領(lǐng)域占據(jù)*地位。
西門子早在中國(guó)開(kāi)展經(jīng)營(yíng)活動(dòng)可以追溯到1872年,當(dāng)時(shí)西門子公司向中國(guó)出口了*臺(tái)指針式電報(bào)機(jī),并在20世紀(jì)來(lái)臨前夕交付了中國(guó)*蒸汽發(fā)電機(jī)以及*輛有軌電車。1985年,西門子與中國(guó)政府簽署了合作備忘錄,成為*家與中國(guó)進(jìn)行深入合作的外國(guó)企業(yè)。140多年來(lái),西門子以創(chuàng)新的技術(shù)、的解決方案和產(chǎn)品堅(jiān)持不懈地為中國(guó)的發(fā)展提供全面支持,并以出眾的品質(zhì)和令人信賴的可靠性、*的技術(shù)成就、不懈的創(chuàng)新追求,在業(yè)界獨(dú)樹(shù)一幟。
西門子見(jiàn)證了中國(guó)改革開(kāi)放帶來(lái)的巨大變化,同時(shí)也順應(yīng)時(shí)代潮流,不斷積極進(jìn)行自身的改革與發(fā)展。2014財(cái)年(2013年10月1日——2014年9月30日),西門子在中國(guó)的總營(yíng)收達(dá)到64.4億歐元,實(shí)現(xiàn)穩(wěn)健增長(zhǎng)。西門子已在中國(guó)建立了77家運(yùn)營(yíng)企業(yè),擁有超過(guò)32000名員工,是中國(guó)的外商投資企業(yè)之一。
SYMMETRICOM 58532A GPS L1 ANTENNAE ASSEMBLY
TrueTime Symmetricom XL-DC GPS Clock Rubidium IRIG-B N8
Symmetricom GPS 12V Outdoor Antenna 142-614-50 AT575
SYMMETRICOM 090-71000-02 TIMESOURCE2500 ST1 UN D0MTMUA
Symmetricom XLi Time Frequency OCXO Master Clock 1PPS
Symmetricom TrueTime XLi 1510-652
Symmetricom GPS 12V L1 Antenna 142-614-50 AT575 * NEW!
SYMMETRICOM 58529A LINE AMPLIFIER W/L1 BANDPASS FILTER
Symmetricom Alvarion-GPS Timing Receiver eMGW/ MGW
Symmetricom 58532A N type female GPS antenna antenne
Symmetricom Syncserver S250 Network Time Server
RUBIDIUM SYMMETRICOM EFRATOM LPRO-101 10Mhz Oscillator
TimeSource 2700 090-73000-02 CDMA D/W Symmetricom
SYMMETRICOM TIMESOURCE 2700 CDMA PRS NETWORK TIME
Symmetricom 58532A N type female GPS antenna antenne
SYMMETRICOM 090-61050-01 MICPROCESSOR UNIT SOC1NNE
Symmetricom Timehub 5500 Expansion LOT 093-55505-02 tm
TrueTime Symmetricom NTS-90 GPS Network Clock NTP
SYMMETRICOM 090-61010-01 SECURE7 HS OPT/LNG RCH SNSIVWW
Symmetricom GPS 1:2 Input 2-Way Active Splitter 58535A
SYMMETRICOM 090-61020-01 SECURE7 HS ELECL CH UN SNCDMSP
SYMMETRICOM GPS FREQUENCY STANDARD SPLITTER 58535A
HP/Symmetricom 58534A GPS Timing Antenna
Symmetricom Timesource 2700 CDMA PRS Complete System
SYMMETRICOM 58529A GPS LINE AMPLIFIER W/L1 BANDPASS NEW
SYMMETRICOM 090-71000-11 TS2500 WIRE WRAP CONNCTR PANEL
Agilent/HP/Symm?etricom 58503B GPS TIME AND FREQ REF REC
SYMMETRICOM 090-61010-01 SECURE7 HS OPT/LNG RCH SNSIVWC
Symmetricom 090-71000-11
Symmetricom GPS Timing Antenna 58534A-H01
Symmetricom Model Z3827A Timing Receiver Unit
Datum Symmetricom GPS Antenna 5V L1 SMA Male 8500-0080
RUBIDIUM SYMMETRICOM EFRATOM LPRO-101 10Mhz Oscillator
Symmetricom 090-45014-02 Sync SAI Assembly f6d3
SYMMETRICOM 090-45098-01 DCD-523 FILLER CARD
SYMMETRICOM 090-41914-02 FUSE ALARM INTERFACE DCD AI CD
SYMMETRICOM 090-61902-01 SECURE7 PWR CONVERTER SNPWBGY
SYMMETRICOM 090-61030-01 SECURE7 DS0 DATAPORT SNCDN0R
SYMMETRICOM TMSL , 090-40010-01 , D0CPBA03AA , 40010-01
Lucent/Symmetri?com OMQ 408645968 Board 5 MHz Oscillator
Symmetricom GoWide 9.2 Go Wide Modem Router 10/100M
Symmetricom DATUM X72
Symmetricom 58529A GPS Line Amplifier
Symmetricom Telecom Solutions 090-40012-02 Iss A TOTA
Symmetricom 58532A N type female GPS antenna antenne
Datum/Symmetric?om SSU-2000 DS1 20 Outputs 23413017-000
Symmetricom GPS Antenna Bracket 093-00001-01
SYMMETRICOM 090-40015-01 Matrix Control Unit DOCPBF03AA
SYMMETRICOM DATUM TIME CODE CONVERTER IRIG MODEL 9400
Symmetricom / HP 58538A Lightning Arrestor DC-2.5 GHz
SYMMETRICOM 090-40012-02 TOTA Unit DOCPBC15AA 40012-02
SYMMETRICOM 089-40013-01 Motherboard ST 3 DCD 40013-01
SYMMETRICOM 090-40011-01 Toc Unit DCD 400 40011-01
SYMMETRICOM 090-40014-01 Fuse & Alarm Unit DCD 400 FA
Datum Symmetricom PRR-10 GPS DS1 Reference Controller
SYMMETRICOM 090-40010-01 Clock Input Unit DCD 40010-01
Symmetricom Telecom Solutions 090-45015-01 ISS.A MCA-5
Symmetricom 58521A GPS Cable w/ Extras
TrueTime Symmetricom TimeVault GPS Network Master Clock
SYMMETRICOM , 090-45015-01 ISS.A REV-G , D0PQABJ1AA
Symmetricom Telecom Solutions 090-45014-02 ISS B SAI
Symmetricom GPS/VOLUTE ANTENNA BRACKET 093-0000-01 NEW
HP AGILENT 58502A SYMMETRICOM DISTRIBUTION AMPLIFIER
TrueTime Symmetricom NTS-200 GPS Network Master Clock
Symmetricom Telecom Solutions 090-40010-01 CI DCD
Symmetricom Telecom Solutions 090-40011-02 Iss A TOCA
Symmetricom Telecom Solutions 090-40022-07 iss A TOGA
Datum/Symmetric?om bc635VME Time&Frequency Processor,VME
SYMMETRICOM 090-40013-01-IS?S-A
Symmetricom DS1 Output Module 23413017-000-0
Symmetricom TimeExpander Network Timing Expander Manual
SYMMETRICOM Model: Z3827A Remote GPS Receiver/Antenn?a
TrueTime Symmetricom NTS-200 Network Master GPS Clock
Symmetricom TrueTime NTS-200 Network Master GPS Clock
Symmetricom Z3801A GPS Install & User's Guide
TrueTime Symmetricom NTS-200 Network Master GPS Clock
TrueTime Symmetricom NTS-200 GPS Network Master Clock
TrueTime Symmetricom NTS-200 GPS Master Network Clock
HP/AGILENT/SYMM?ETRICOM 55412A ITH CARD FOR A 55400A NSU
HP/AGILENT/SYMM?ETRICOM 55481A CARD 55400A NETWORK UNIT
HP/AGILENT/SYMM?ETRICOM 55485B CARD 55400A NETWORK UNIT
HP/AGILENT/SYMM?ETRICOM 55482A CARD 55400A NETWORK UNIT
DATUM SYMMETRICOM GPS LC E1 FRAMER OCXO
ALVARION SYMMETRICOM 111-03850 AN1280 ANTENNA GPS L1
SYMMETRICOM TIMESOURCE 3100 72020-01 ISS A
Symmetricom NTBW50AA 090-03845-02 Voltage Timing Module
Nokia Symmetricom EXT GPS Antenna 469357A New
Symmetricom 58529A GPS Line Amplifier with L1 Bandpass
Symmetricom 090-58537-01 GPS ACTIVE SMARTSPLITTER 4PORT
Bancomm / Symmetricom PC03V VMEbus Time Code Processor
Bancomm / Symmetricom PC26V VME LED Display PCB
Symmetricom 090-45190-01 DCD-519 SHELF DIGITAL CLOCK
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