1AC4007U
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1AC4007U
实时数据库是组态软件的核心，实时数据库能够及时准确地获取现场数据是整个工业控制系统正常工作的基本前提。实时数据库管理系统是事务调度中心，数据采集事务、图形显示事务、报警事务、历史存盘事务等都由实时数据库系统中的事务调度系统完成，从而达到监控的实时性、正确性和一致性。
2.1实时数据库的存储策略
设计实时数据库系统时，考虑到时空矛盾，应该优先考虑系统的效率。实时数据库是组态软件的核心，应该根据组态软件对不同类型的数据所要求的响应速度以及数据量的大小来制定数据的存储策略。为此，我们采用传统的数据库系统、文件管理系统和内存缓冲区三者相结合的方法，利用多种存储介质来构建组态软件的实时数据库。
＆ 公司全称 ： 厦门泰尼电气有限公司
＆ 销售代表 ： 小黄
＆ 洽谈电话 ：
＆手机：
＆ 商务 QQ ： 2917675397
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＆ 公司地址 ： 厦门市海沧区海沧街道滨湖一里7号
＆ 公司网址 ： www.xmtaini.com
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Fanuc A06B-0163-B175 AC Servo Motor AM9/3000 1.8 kW 3PH A06B0163B175 busted pin
AB Allen Bradley 1779-KP3 1779KP3 Data Highway Interfac
Cutler Hammer 100 Amp 600V BPEHD3100 Breaker Bus Plug EHD3100 CH
Westinghouse IQ-1000 II 2D78558 Relay Motor Circuit Protector Interface Panel
McQuay Westinghouse IQ-1000 II 2D78558 Relay Motor Circuit Protector Snyder
General Electric GE CR306F104 Size 4 Starter CR306F NIB
Westinghouse Size 4 2100 200 Amp Fusible MCC Bucket 200A MCCB F 36" Sz4 MCCB
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Square D PQ3640 400 Amp I-Line Bus Plug 600V 3P 3W Busway Switch PQ-3640
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Westinghouse HMCP600L6W 600A Breaker 600V 3 Pole Digitrip RMS 310 Inst. CHW
MTS Motion Plus EDC 100 Digital Servo Controller EDC100 Encoder Control Servo
TECO Westinghouse MA7200-4030-N1 41KVA 30 HP VS Drive 380-480V MA72004030N1
General Electric SKLA36AT1200 1200 Amp Spectra Breaker 600V SRPK1200A1200 1200A
Cutler Hammer F10 Unitrol Size 4 AN16NNO 250 Amp Breaker MCCB MCC Bucket 30"
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Yaskawa ServoPack SGDB-44ADGY8 32.9A Unit SGDB44ADGY8
Emerson 20HP Commander SK 3202 VS AC Drive SK3202 240V 54A Control Tech 42A 15HP
General Electric TB83F 800A Tri-Break Breaker 600V 3 Pole Molded Case TB GE
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Siemens Breaker SJD69200NGT 200 Amp 600V Sensitrip SJD69200 NGT SJD6 Neutral
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Allen Bradley Size 4 Reversing MCC Bucket 250A Breaker AB Centerline Sz4 MCCB
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Foxboro CFT50-B1EADBZ Mass Flowmeter CFT50B1EADZ
Square D Molded Case Switch MHL360006M 600 Amp NIB 600V MHL
Omron R88D-UT110H 5.31HP 3PH AC Servo Driver R88DUT110H
Allen-Bradley 20AD011A3AYNANNN 7.5 HP Powerflex 70 AC VS Drive 480V AB 7.5HP
GE Multilin SR 469-P5-HI-A20 Motor Management Relay General Electric SR469 Case
Modicon XBTF024510 Telemecanique Magelis 24 VDC 35W Square D XBT-F024510 MEM-08
Vickers PVB29 RSFW 20 C 11 Varible Displacement Piston Pump PVB 29 GPM REM
Roman G486265 Welding Transformer TR-70BX 265 KVA 480V G486265KC2547WX
