描述
服務(wù)質(zhì)量(QOS)主要解決系統(tǒng)實時性問題。QOS的基本思想在于,為實時業(yè)務(wù)保留一定專用帶寬,從而把數(shù)據(jù)的丟包率、延時、吞吐量和擁塞控制在可接受范圍內(nèi)。QOS技術(shù)要點有二:對數(shù)據(jù)實施進入控制(Connect Admission Control)和流量調(diào)整(Traffic Shaping);在數(shù)據(jù)進入網(wǎng)絡(luò)前,估算數(shù)據(jù)對整個網(wǎng)絡(luò)影響。
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。
DYNAMATIC 70-47-110 *NICE*
SIEMENS 6ES7-313-6CE01-?0AB0 *NICE*
CUTLER-HAMMER CIRCUIT BREAKER KA3225 W/ AUX TRIP *NEW*
ALLEN BRADLEY 20BE1P7A0AYNAND?0 POWERFLEX 700 *NEW*
ABB 58976539 GATE CIRCUIT CARD NGDR-03C SP KIT *NEW*
ABB 6129863-1C *NEW*
ALLEN BRADLEY 1771-OFE2/B ANALOG OUTPUT *SEALED*
ALLEN BRADLEY 1771-OQ16/C *SEALED*
ALLEN BRADLEY 1785-KE/C DH+/RS232 INTFC *NEW*
ALLEN BRADLEY 20BE9P0A0AYNAND?0 POWERFLEX 700 *NEW*
BAILEY ANALOG INPUT SLAVE IMASI02 *NEW*
BAILEY ANALOG OUTPUT MODULE NAOM01 *NEW*
MIYACHI RESISTANCE WELDING CONTROL CY-150A
MODICON AS-P530-OMA POWER SUPPLY *NICE*
FANUC A16B-1212-0900/?02A *NICE*
MARPOSS A90 TOUCH PROBE 4159116601 *NEW*
ROSEMOUNT 8712-0507-0021 *NEW*
ABB SK825484-AF CONTACTOR EHDB220-20-11
JOSLYN CLARK RDP9-11100
LOT OF 6 CORNELL DUBILIER DCMC662T500DG2B *NEW*
VIDEOJET SP356400-15 CONTROLLER BOARD-EXCEL 170I
RELIANCE ELECTRIC 78094-33R *NICE*
WESTINGHOUSE LA3300 W/ 50 DEGREE TRIP *NEW*
FANUC A16B-2200-0113/?09B PMC RAM BOARD *NEW*
FANUC A16B-2200-0854/?03B *NEW*
FANUC SERVO AMPLIFIER UNIT A06B-6090-H233 *NICE*
SUMITOMO AF-500 TRANSISTOR INVERTER AF502-7A5 *NICE*
SUMITOMO AF-500 TRANSISTOR INVERTER AF504-2A2 *NEW*
SUMITOMO AF-3100 AC DRIVE AF3122-011-U *NEW*
INDRAMAT MAINSPINDLE DRIVE TDA 1.3-100-3-L00 *NICE*
ALLEN BRADLEY 6180-DHCEFGAZFZ?Z INDUSTRIAL COMPUTER
DAISY DATA 9016 AIR PURGED ELECTRONIC EQUIPMENT *NICE*
FANUC AC SERVO MOTOR A06B-0533-B572#?0001 *NICE*
FANUC AC SEVO MOTOR A06B-0143-B075/?7076-R *NICE*
FANUC TEACH PENDANT A05B-2051-C142 *NEW*
FINCOR DC MOTOR CONTROL 2200S10013A *REPAIRED**
SIEMENS MASTER DRIVES AC/AC DRIVE 6SE7-013-0EP50-?Z NICE
SIEMENS MASTER DRIVES DC/AC DRIVE 6SE7-012-0TP50 *NICE*
SIEMENS MASTER DRIVES DC/AC DRIVE 6SE7-014-0TP50 *NICE*
XYCOM 3510 PANEL VIEW 3510-01F0040031?01L *NICE*
MITSUBISHI FREQROL-A200 FR-A240-5.5K-UL *NICE*
FANUC A16B-2200-0912 *NEW*