It was created as a way to have a community of companies creating interoperable computing systems with the same. Monolithic j1j2 vme backplanes are available with 5, 7, 9, 10, 15 or 21 full size slots. Backplane vme64xp j1j0j2 vme64xp is known also as 64x standard for physics or vipastandard. Its use of the eurocard format, its high performance, and its versatility are some of the reasons that it appeals to a wide range of users. All elma electronic vme backplanes are designed to maximize performance, minimize noise, and to give the customer the most reliable, costeffective product possible. The result is a superb design solution, completed to your specifications in a timely and costefficient. The assertion of dtack on a read cycle means that data is ready on the backplane data lines.
Vme64x the elma electronic vme64x backplane series is designed to fully comply with the ansivita vme extension standard. Software and hardware engineers see things differently. In this drawing of an older design, the a16 address space is available to the software in the highest locations possible. Getting a head start consider a preconfigured development system from one of the module vendors see figure 2 to help with the topology definition, backplane selection and interconnect strategies. Software addresses ffff0000 through ffffffff are mapped to the vmebus a16 address space. For additional information on our current backplane products or to discuss your requirements for a custom solution, please call 4074762120 or complete the form below and one of our expert staff will respond within 24 hours. The vita vpx standard was developed to provide vme systems support for high speed io and switch fabrics.
Vme 6u dimensions vme connector datasheet connector db25 vme 6u 233mm dimensions lemo vme 160 connector vme bus specification lemo. Active participation in standards committees and in the specification of new system architectures and highspeed transmission technologies. Design of the software backplane united states army. Engineering home interface buses embedded backplane buses vmebus description din connector styles. The elite is a family of economical, sheet metal enclosures often used in highvolume applications.
The vme64x backplanes are specially designed to achieve excellent power distribution, best signal integrity and virtually zero cross talk, the smd components used on the vme64x backplanes lead to a. Vme bus description, pinout and vme standards information. However, one of the key features of the 68000 is a flat 32bit memory model, free of memory segmentation and other antifeatures. New interconnects give dsps a whole new level of flexibility. The connector the heart of the backplane interface the connector provides the mechanical structure for the electrical interface between vme circuit modules and the backplane. All vme backplane boards are constructed from fr4 epoxy glass material and are assembled and tested. Using the software raid functionality of the qm87 pch, these drives can even be setup as a raid 01 array if redundancy or extra. Vector offers comprehensive range of vmebus backplanes from 2 to 21 slots. We utilize the latest open system standards including vpx, vme and cpci. The graphic below shows connector styles for the vme specification, revisions d and below, and vme64x. The vmebus specification allows full peertopeer multiprocessor capabilities. Monolithic 6u high vme64 and vme64x backplanes are fully rohs compliant and perform to ansivita 1. Rad fabrication drawing and create a model of the backplane in veribest. Vme cards may be produced which respond to the following address widths or data widths.
It is designed as a 8layer board in stripline technology. Control software 3 embedded controllers 3 pxi interfaces 3 production test systems 3 vxi mainframes 3 automatic test systems 2 board test fixtures 2 continuity testers 2 dc power supplies 2 extender boards 2 extender cards 2 functional test systems 2 high voltage power supplies 2 high voltage programmable power. Figure 5 shows the waveform of a 12slot vme backplane driven by an sn74abt7819 fifo from the line end, drives the vme backplane from the end, direct driving is possible. Vme j1j2 and vme64x j1j2p0 backplanes per ansivita 1. Vme remains a strong solution for a wide variety of tech refresh programs. As noted in the graphic the connectors shown below follow the din41612 standard. Vme backplanes compact pci vme64x vpx system platforms. As an active member of both picmg and vita, our backplanes meet andor exceed all relevant specifications. You can reset the a2071 programmable logic chip, and the a2071es ethernet interface, and the a2071as vme interface, by writing a 1 to the software reset register. Vmebus specification manual third printing introduction. Orders placed on our website will ship the same business day if ordered by 3pm mst. This template implements the vita vme64x 6u standard and includes signal assignment and mechanical constraints.
It is physically based on eurocard sizes, mechanicals and connectors, but uses its own signalling system, which. Drawing sufficient power through the vme or pci bus in an embedded application to run these new, more powerful components has been one of the challenges of the new designs. Vme versa module europe is one of the early openstandard backplane architectures. A fault tolerant virtual vmebus backplane for computer systems the apparatus comprising. We have worked on high profile projects including phalanx closein weapons system ciws where we produced a vme chassis for raytheon missile systems. This is the power that is used in the dewar electronics box for the preamps and the analog switch boards. Stress analysis of single port isb jumper connectors for. Following the assertion of the vme backplane data strobes, the a2071a takes 150 ns to assert dtack. Vita vme64x is an extension to the popular vme bus standard supporting a 64 bit.
Software backplane article about software backplane by. Vme64 backplanes schroff backplanes online catalog. All connectors are the same location independent except possibly for performance issues. The 3u wiener vmej1 backplane fully complies with ansivita 11994 and ieee10141987 specifications.
Vmebus is a computer bus standard, originally developed for the motorola 68000 line of cpus. Ger4193a speedtronic mark vi turbine control system. Use the filters below to help navigate through our extensive catalog. Software backplane article about software backplane by the. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Over the years, many extensions have been added to the vme interface. Since most applications require that spespeedtronic mark vi turbine control system ge power systems ger4193a 1 figure 1. Wiener j1 vme backplanes are available with 5, 7, 9, 10, 15 or 21 full size slots. We use advanced design software and equipment to perfect your design.
Micro overlay for vpx backplanes another performance design from the team at dawn microoverlays for vpx cost effective, high speed backplane, signal remapping by brian roberts overview. Benefits of speedtronic mark vi over 30 years experience complete control, protection, and monitoring. These connectors do not mate with vpx style connectors regardless of the electrical interface. Whether for a missile defense system or a control room, our vme chassis products are fully customizable to your environmental needs. Often the recurring cost of a custom backplane is comparable to a standard backplane. Dawns vpx backplanes are based on vpx vita46, vpx redi vita48, openvpx vita65 and vita 68 vpx compliance available in a wide range of profiles and topologies. Fault tolerant virtual vmebus backplane design honeywell. Backplane 6u 5 chan vme j1j2 5 immediate available. The extended power layers and special current rails permit highest power distribution. Iack daisychain driver a functional module which activates the interrupt acknowledge daisychain. The t39 showcase an optimal design that addresses emc, cooling, and ease of manufacturing, in a highly attractive, cost effective package. Press fit connectors are used throughout on all sizes.
On a write cycle it means the data written to the board has been received, and the cycle is over. Modern backplanes implement high speed signal standards like pci express, serial rapid io, sata, sas, and 10gbit xaui ethernet. Power inputs from backplane quad core i7 5v 5v only backplane. In many ways the vmebus is equivalent or analogous to the pins of the 68000 run out onto a backplane.
Elma has been a leader in design innovation for over 50 years. We take inspiration from standard hardware backplanes, such as the vme bus, which has standardized slots with a standardized interface, and a standardized signaling protocol used over the bus. However, when the 12slot vme bus is, 330 12slot vme backplane s12 8 pf 50 vcc 5 v 12slot vme backplane s1 3 cm 40. Applications range from command and control systems to high performance signalprocessing radar, sonar and intelligence, surveillance, and reconnaissance isr applications.
The lwdaq driver a2071 is a longwire data acquisition driver. Vme bus description the vme bus is a scalable backplane bus interface. Ibm 360s just didnt connect to vaxes very well, and the software wasnt very transportable. We at orion take great pride in manufacturing the highest quality components to your custom specifications. The embodiments of an invention in which an exclusive property or right is claimed are defined as follows. Modern design tools modern simulation tools and measurement equipment plus inhouse developed highperformance test adaptors. The term vme stands for versamodule eurocard and was first coined in 1980 by the. Instead of nanoseconds and risetimes and access widths, system programmers want to know how and why to assign memory space, how to use specialpurpose vme io boards without conflicting with onboard devices, and how to recognize software errors caused by hardware. The tables below detail the required control signals to produce the different bus widths.
Pdf vm32ff vm32ff prvm32ff02 dsub 62pin male connector 44pin male connector x dp72 160 pin vme connector female vme 160 connector. For over 20 years, our team of experts have demonstrated expertise in creating sophisticated solutions for the most demanding applications. Understanding its value and proven place in hundreds of defense programs, kontron will continue its investment in evolving a fullyfeatured vme. Vme chassis whether for a missile defense system or a control room, our vme chassis products are fully customizable to your environmental needs.
General backplane specification for vme and vme64x slot count. The result is that, while vme is very 68000like, the 68000 is generic enough to make this not an issue in most. This is done with a flexible bus arbitration scheme that allows up to 21 masters in each system. We can utilize our vast resource of experienced designers and engineers from facilities all over the world. The board has footprints for standard sized db9 and db25 connectors as well as bncs, phone jacks and a coaxial power connector. Transition modules do not connect to vmebus but just to the. The vme64x backplanes are specially designed to achieve excellent power distribution, best signal integrity and virtually zero cross talk, the smd components used on the vme64x backplanes lead to a much lower failure rate. At the top of the page is shown the wiring to the el3195 power and miscellaneous signal board. The 3u wiener vme j1 backplane fully complies with ansivita 11994 and ieee10141987 specifications.
The jumper pipes are used for transporting radioactive fluids and hazardous chemicals. The vme64 standard establishes a framework for 8, 16, 32, and 64bit parallelbus computer architectures that can implement single and multiprocessor systems. Kontron is a global leader in embedded computing technology ect. All of our backplanes are rugged, optimized for performance, and ideal for most industrial, commercial, and military applications. Vme bus din connector mechanical drawing, board connector. Some examples are ip module, raceway interlink, scsa, gigabit ethernet on vme64x backplanes, pci express, rapidio, starfabric and infiniband. The din connector developed in germany in the 1970s remains one of the most reliable connectors in service today. Flexvpx backplanes provide bestinclass computing options for sonarradar, satellite communications, and softwaredefined radio systems when used with 4dsps 3u vpx fpga carrier cards vp680. The a2071a obtains its power from the vme backplane. We carry several different sizes of vmebus prototyping boards at affordable prices for your circuit design projects. Blm vme j2 backplane printed circuit board trace impedance measurements february 8, 2005. The vme bus page has additional details including connector types, bus pin outs, and electronic equipment and component manufacturers, din connector manufacturers. Each pci express cable driver board, in a pc backplane, can drive one to four v120s over standard, flexible pci express cable assemblies up to 7 meters long. Vmeh22501 in 2esst and conventional vme backplane applications.
A01 a15, a01 a23, a01 a31, or a01 a40 d00 d07, d00 d15, d00 d23, d00 d31, or d00 d63 undefined before rev. Flexvpx backplanes add design options to openvpx systems. As defined in vita 231998 it represents and extension of the vme64x standard ansivita 1. At orion, we have a variety of cots backplanes available, as well as the resources and experience to manufacture custom designed backplanes to your uniquely specialized needs. A complete chassis and backplane ecosystem our inhouse design and manufacturing provide singlesource reliability for our chassis and backplane products and have fostered the development of a highly reliable ecosystem that speeds production and avoids manufacturing issues while extending product life.
The v120 is a vme bus master crate controller, usable as a crate slot 0 arbiter or as a secondary controller. A central bus arbiter, which is located in the first slot in the backplane and is part of the vmebus system controller, determines which master may use the bus. The chip will respond as if the hardware reset button on. Vector offers wide range of vme backplanes from 3 to 21 slots wide in j1 and j2 are 3u backplanes. To achieve this we use 8layer construction, stripline design, decoupling capacitors at every slot, inboard terminators, heavy power and ground planes. The backplane is actively terminated and provides automatic daisy chain either actively or mechanically in connector, on request. Hartmann electronic is an industry leader in the design and manufacture of backplane technology including vme and vme64. Keeping vme relevant for these applications requires ongoing advancements to achieve processor migration, extending io capabilities on the backplane, and supporting higher bandwidth applications. Vmebus versa module europa or versa module eurocard bus is a computer bus standard, originally developed for the motorola 68000 line of cpus, but later widely used for many applications and standardized by the iec as ansiieee 10141987. Vme 6u dimensions vme connector datasheet connector db25 vme 6u 233mm dimensions lemo vme 160 connector vme bus specification lemo connector male.
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