Multifunction I/O Boards Step Up with Integrated Solutions

If there’s one interconnect that seems to have emerged as the great “glue” technology for the military, that’s Ethernet. The conflict between the needs of net-centric communication and the current situation where the vast majority of basic military equipment interconnects via MIL-STD-1553 can be easily resolved with the use of “Network Bridges” to these legacy data buses. Such a “Bridge” is now available from MBS Electronic Systems, which offers autonomous connectivity between MIL-STD-1553 and Full Duplex Gigabit Ethernet. This FPGA-based stand-alone module (Figure 2) is one of a family of Gigabit Ethernet interface modules, referred to as ÆSyBus modules, which provide a low latency connection to a range of military and aerospace data buses using UDP/IP protocol. The open source nature of this solution, combining Ethernet and UDP/IP protocol, allows these devices to be easily accessed by any networked computer and operating system without the need of any additional drivers or software infrastructure. Furthermore, these devices can be accessed simultaneously by up to 10 separate computers, which can individually log on to the module, configure and control its resources and automatically receive status and data messages, periodically or as needed.

This FPGA-based board is one of a family of Gigabit Ethernet interface modules, referred to as ÆSyBus modules, which provide a low latency connection to a range of military and aerospace data buses using UDP/IP protocol.

The MIL-STD-1553 ÆSyBus Module can be configured to operate as a bus controller, remote terminal or passive monitor. In all cases, terminal/bus status is collected with receive data for automatic transfer to the applications in accordance with the configured requirements of the user. A configurable hardware scheduler is also provided for accurate scheduling commands when operating as a bus controller. The modules are available in a robust conduction-cooled enclosure, with build options to meet various environmental conditions, or as interface cards that slot into a VME I/O-type enclosure.

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