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如西门子公司早在80年代就研制出了多回路闭环控制模块、步进电机控制模块、仿真模块和通信处理模块等。在1995年西门子又成功地开发出了S7200、S7300系列,它具有TD 200和COROS OPS操作模板(OPS)为用户提供了方便人机界面,用户程序三级口令保护,较强的计算性能,完善的指令集,MPI接口和通过工业现场总线PROFIBUS以及以太网联网的网络能力,强劲的内部集成功能,全面的故障诊断功能;模块式结构可用于各处性能的扩展,脉冲输出晶闸管步进电机和直流电机;快速的指令处理大大缩短了循环周期,并采用了高速计数器,高速中断处理可以分别响应过程事件,大幅度降低了成本。
(3)高可靠性由于控制系统的可靠性日益受到人们的重视,一些公司已将自诊断技术、冗余技术、容错技术广泛应用到现有产品中,推出了高可靠性的冗余系统,并采用热备用或并行工作、多数表决的工作方式。S7400 PLC即使在恶劣、不稳定的工作环境下,坚固、全密封的模板依然可正常工作,在操作运行过程中模板还可热插拔。
MOTOROLA MVME 162-01 VME BOARD
Applied Microsystems 700 Diamond VME Backplane Adapter
VME-2233D-24 CONTROLLER CARD CHAN 0-31 20 - 28 V
Motorola MVME 1604-022 VME PPC604 1600-001
Zilog CCU 09-0201-02 Z80 Z80A CPU Card 1983 Vintage VME
THEMIS COMPUTER VME TSVME 440 AXIS BORAD
MERCURY / RACE MCV6 VME BOARD
KLA INSTRUMENTS ASSY 700-608019-00 REV:BD VME MVME
MOTOROLA VME Card MVME197DP 01-W3815B MVME197 88410 197
FORCE CPU-80/A4 VME SINGLE BOARD COMPUTER MOTOROLA
SGI Silicon Graphics VME I/O Carrier 6224-VME-512-0106
FORCE SYS68K CPU-2VF VME SINGLE BOARD COMPUTER MOTOROLA
MERCURY / RACE MCV6 VME BOARD
188 80188 SBC VME XRE 1990 Intel Z8530 CPU Card
Motorola MVME-224A-1 MVME224A-1 VME Mainframe Board
VMIC VMEBus Single Board Computer Pentium M 1.6GHz VME
AMAT APPLIED MATERIALS 0100-09002 SBC PCB ASSY VME
ICS 110A-32 VME BOARD
VME MMB ESI CKA INTERFACE BOARD 77288*
Matrox VIP-1024 VME Frame Grabber Video Card
Force Computers SYS68K CPU-40B/4-01 VME MVME
Motorola VME Card SBC MPC750 EO-00102 XPC8260 8260 166
PIEZO DRIVE CARD W/FB AUTOFOCUS MEASUREMENT VME BOARD
ICS 110A-32 VME BOARD
30K VALUE ALLEN BRADLEY 1785-V80B 1785V80B VME TESTED
VME SBC CPU Card 6809 Motorola 1052-170-02D Biometrie
VAUGHAN,SARAH- SARAH VAUGHAN WITH CLIFFORD BROWN: VME S
VME Extender Schroff 3U 6U 9U 10897-911 SystemBus Card
Motorola MVME374-1 MVME 374-1 VME Module
FORCE SPARC CPU-10 VME BOARD
Cyclone Microsystems VME MVME CVME964
SBE VCOM-33 VME CONTROLLER MODULE
SBS VME-6201 Floppy / 1.44GB HD Controller VME Module
MOTOROLA MVME 147-022 VME BOARD 01-W3964B MVME147-022
SBS MODEL VME-TB21 P2 ADAPTER BOARD VMETB21 NEW
Themis Computer MDL # SPARC 2SE VME CPU Module w/ 48MB
1 FUEL FILTER 3576059, VME, VOLVO
IRONICS IV3234 VME 16 SIO BOARD VM-3234-10
Elma 12-Slot VME Mainframe MVME Tested