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詳細(xì)內(nèi)容:聯(lián)系人:黃曉飛(銷售工程師) 移動(dòng)電話:18030263579 固話:0592-6895320 QQ:2472574325? 1.冗余系統(tǒng) 所謂冗余系統(tǒng)是指系統(tǒng)中有多余的部分,沒有它系統(tǒng)照樣工作,但在系統(tǒng)出現(xiàn)故障時(shí),這多余的部分能立即替代故障部分而使系統(tǒng)繼續(xù)正常運(yùn)行。冗余系統(tǒng)一般是在控制系統(tǒng)中最重要的部分(如CPU模塊)由兩套相同的硬件組成,當(dāng)某一套出現(xiàn)故障立即由另一套來(lái)控制。是否使用兩套相同的I/O模塊,取決于系統(tǒng)對(duì)可靠性的要求程度。 兩套CPU模塊使用相同的程序并行工作,其中一套為主CPU模塊,一塊為備用CPU模塊。在系統(tǒng)正常運(yùn)行時(shí),備用CPU模塊的輸出被禁止,由主CPU模塊來(lái)控制系統(tǒng)的工作。同時(shí),主CPU模塊還不斷通過冗余處理單元(RPU)同步地對(duì)備用CPU模塊的I/O映像寄存器和其它寄存器進(jìn)行刷新。當(dāng)主CPU模塊發(fā)出故障信息后,RPU在1~3個(gè)掃描周期內(nèi)將控制功能切換到備用CPU。I/O系統(tǒng)的切換也是由RPU來(lái)完成。 a)冗余系統(tǒng)b)熱備用系統(tǒng) 2.熱備用系統(tǒng) 熱備用系統(tǒng)的結(jié)構(gòu)較冗余系統(tǒng)簡(jiǎn)單,雖然也有兩個(gè)CPU模塊在同時(shí)運(yùn)行一個(gè)程序,但沒有冗余處理單元RPU。系統(tǒng)兩個(gè)CPU模塊的切換,是由主CPU模塊通過通信口與備用CPU模塊進(jìn)行通信來(lái)完成的。兩套CPU通過通訊接口連在一起。當(dāng)系統(tǒng)出現(xiàn)故障時(shí),由主CPU通知備用CPU,并實(shí)現(xiàn)切換,其切換過程一般較慢。 主要業(yè)務(wù): ABB DCS卡件 Ovation系統(tǒng)模塊 Foxboro系統(tǒng)卡件 Triconex系統(tǒng)模塊 Rexroth力士樂全系列產(chǎn)品 Modicon停產(chǎn)模塊 等各類工控產(chǎn)品 Schneider(施耐德) 140系列PLC,CPU Siemens 6DD,6FX,6SC,6FC,6S5系列 AB 1746,1756,1747,1785系列 PLC CP MOTOROLA-MVME 全系列產(chǎn)品庫(kù)存清單 Model Number Description Qty MVME110-1 68000 8 MHZ, 1 CHANNEL, SERIAL, RS232C 12 MVME133 68020 CPU, 12.5Mhz, 1MB memory, 3 Serial ports 1 MVME133-1 68020 CPU, 16.67Mhz, 1MB memory, 3 Serial ports 3 MVME133A-20 68020 CPU, 20Mhz, 1MB memory, 3 Serial ports 1 MVME133SA 68020 CPU, 20Mhz, 1MB memory, 3 Serial ports 7 MVME141-1 68030 CPU, 25Mhz, VSB A32/D32, 2 SIO 1 MVME141-3 68030 CPU, 1 MVME147 68030 CPU, 20Mhz, 4MB memory, 6 MVME147-010 68030 CPU, 16Mhz, 4MB DRAM, 4 SIO, 1 PIO 5 MVME147-010A 68030 CPU, 16.67MHZ, 4MB, SCSI, ETHERNET 4 MVME147-011 68030 CPU, 25Mhz, 4MB memory 15 MVME147-011A 68030 CPU, 25MHZ, 4MB, SCSI, ETHERNET 6 MVME147-012 68030 CPU, 25Mhz, 8MB memory 4 MVME147-012A 68030 CPU, 25Mhz, 8MB memory 1 MVME147-013 68030 CPU, 25Mhz, 16MB memory 29 MVME147-013A 68030 CPU, 25Mhz, 16MB memory 18 MVME147-022 68030 CPU, 32Mhz, 8MB memory 47 MVME147-022A 68030 CPU, 33MHZ, 16MB, SCSI, ETHERNET 14 MVME147-024 68030 CPU, 33MHZ, 16MB 1 MVME147S 68030 CPU, 20MHZ, 4MB 2 MVME147S-1 68030 CPU, 25MHZ, 4MB, SCSI, ETHERNET 43 MVME147SA-1 68030 CPU, 25MHZ, 8MB, SCSI, 6 MVME147SB-1 68030 CPU, 25Mhz, 16MB memory 54 MVME147SB-2 68030 CPU, 32Mhz, 16MB memory 2 MVME147SC-2 68030 CPU, 32Mhz, 32MB memory 1 MVME147SRF 68030 CPU, 16Mhz, 4MB memory 2 MOTOROLA MVME162 備件 MVME162-010A 68040 25MHZ CPU, 4MB, 4 IP, 2 SERIAL 2 MVME162-012 68040 CPU, 25Mhz, 4MB, 4 IP Ports, ETHERNET 5 MVME162-012A 68040 CPU, 25Mhz, 4MB, 4 IP Ports, ETHERNET 10 MVME162-013 68040 CPU, 25Mhz, 4MB, 4 IP Ports, SCSI, ETHERNET 9 MVME162-013A 68040, 25MHz, 4MB, 1MB Flash, SCSI, ETHERNET 1 MVME162-020 68040 25MHZ CPU, 4MB, 4 IP, 2 SERIAL 8 MVME162-022 68040 CPU, 25Mhz, 4MB, 4 IP Ports, ETHERNET 7 MVME162-023 68040 CPU, 25Mhz, 4MB, 4 IP Ports, SCSI, ETHERNET 6 MVME162-023A 68040 CPU, 25Mhz, 4MB, 4 IP Ports, SCSI, ETHERNET 5 MVME162-032 68040 CPU, 25Mhz, 8MB, 4 IP Ports, ETHERNET 34 MVME162-040 68040 CPU, 25Mhz, 8MB, 4 IP Ports 9 MVME162-211 68040, 4 MB DRAM, SCSI 1 MVME162-212 68040 CPU, 25Mhz, 4MB, 2 IP Ports, ETHERNET 62 MVME162-213 68040 CPU, 25Mhz, 4MB, 2 IP Ports, SCSI, ETHERNET 1 MVME162-215 68040 CPU, 25Mhz, 4MB Parity. SCSI 3 MVME162-222 68040 CPU, 25Mhz, 4MB 2 A06B-6058-H301配件 A06B-6058-H301配件 A06B-6058-H301配件 MVME162-223 68040 CPU, 25Mhz, 4MB memory, 2 IP Ports, ETHERNET 2 MVME162-253 68040 CPU, 25Mhz, 16 MB ECC DRAM, SCSI, Ethernet 17 MVME162-263 68040 CPU, 25Mhz, 16MB memory, 2 IP Ports, ETHERNET 7 MVME162-410 68040 CPU, 25Mhz, 16MB memory, 2 SIO, 4 DMA IP 12 MVME162-412 68040 CPU, 25MHz, 4MB, ETHERNET 1 MVME162-432 68040 CPU, 25MHz, 8MB, 4-IP,ETHERNET 1 MVME162-433 68040 CPU, 25MHZ, 8MB, 4-IP, SCSI, ETHERNET 3 MVME162-510A 68040 CPU, 32MHz, 4MB DRAM, 2SIO, 4 DMA IP 2 MVME162-512A 68040 CPU, 32MHZ, 4MB, 4-IP, ETHERNET 5 MVME162-522A 68040 CPU, 8MB, 2 serial, 1MB Flash, Ethernet, SCSI 77 MVME162-523 68040 CPU, 8MB, 2 serial, 1MB Flash, Ethernet, SCSI 1 MVME162-532A 68040 CPU, 32Mhz, 8MB, 4 IP, 2 Serial, SCSI, ETHERNET 1 MVME162P-242LE 68040 CPU, 25 MHz, 16 MB SDRAM, Ethernet 1 MVME162P-242LSE 68040 CPU, 25 MHz, 16 MB SDRAM, SCSI, Ethern, et 1 MVME162P-244LE 68040 CPU, 25Mhz, 16MB, 2 SIO, 4 DMA IP, Ethernet 1
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