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31 de jan. de 2024 · The MIL-STD-1553 Tutorial and Reference (63524 downloads ) is a summary of the standard and critical aspects in development of a 1553 computer (this document is ideal for quick reference for design and programming).
The first thing to know about a 1553 network is how to physically build one bus. 99% of 1553 problems (besides getting the software loaded!) are from incorrectly constructed busses or broken bus components. A 1553 bus must be constructed as a 78 ohm balanced topology and it is strongly recommended that transformer coupling be used
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MIL-STD-1553 is a military standard that defines mechanical, electrical, and operating characteristics of a serial data communication bus for the U.S. Department of Defense. It is now commonly used for both military and civilian applications in avionics, aircraft, and spacecraft data handling.
The latest version of the serial local area network (LAN) for military avionics, currently known as MIL-STD-1553B, was issued in 1978. After 35+ years of familiarity and reliable products, the data bus continues to be a popular militarized networking solution.
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- MIL-STD-1553 Specification
- MIL-STD-1553 Bus Controller
- MIL-STD-1553 Remote Terminal
- MIL-STD-1553 Bus Monitor
- MIL-STD-1553 Cabling
- MIL-STD-1553 Coupling
- MIL-STD-1553 Direct Coupling
- MIL-STD-1553 Transformer Coupling
- MIL-STD-1553 Bus Topology
- MIL-STD-1760C
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MIL-STD-1553B was developed from the growing complexity of integrated avionics systems and the subsequent increase in the number of discrete interconnects between terminal devices. Direct point-to-point wiring became complex, expensive and bulky, requiring definition of a multiplex data bus standard. The first draft of a standard in 1968 by the aer...
The main function of the bus controller (BC) is to provide data flow control for all transmissions on the bus. In addition to initiating all data transfers, the BC must transmit, receive and coordinate the transfer of information on the data bus. All information is communicated in command/response mode – the BC sends a command to the RTs, which rep...
The remote terminal (RT) is a device designed to interface various subsystems with the 1553 data bus. The interface device may be embedded within the subsystem itself, or be an external interface to tie a non-1553 compatible device to the bus. As a function of the interface requirement, the RT receives and decodes commands from the BC, detects any ...
The Bus Monitor (BM) listens to all messages on the bus and records selected activities. The BM is a passive device that collects data for real-time or post capture analysis. The BM can store all or portions of traffic on the bus, including electrical and protocol errors. BMs are primarily used for instrumentation and data bus testing.
The MIL-STD-1553B definition of a data bus is “a twisted-shielded pair transmission line made up of a main bus and a number of attached stubs”. Shielding limits signal interference from outside sources and the twisted pair maintains message integrity through noise canceling. MIL-STD-1553B specifies that all devices in the system will be connected t...
Coupling connects a terminal device to the main data bus via interconnecting buses called stubs. Connecting terminals creates a load on the main bus, creating impedance mismatches and resultant signal reflections that can distort and degrade signal quality on the bus. System error rate performance and good signal to noise ratio require a balance be...
Direct coupled connections are wired directly to the bus cabling. The isolation resistors and transformer are internal to the terminal device, not requiring additional coupling hardware. Direct coupled connections can only be used with stub lengths of less than one foot. Isolation resistors provide some protection for the main bus in the event of a...
Transformer coupling utilizes a second isolation transformer, located external to the terminal device, in its own housing with the isolation resistors. Transformer coupling extends the stub length to 20 feet and provides electrical isolation, better impedance matching and higher noise rejection characteristics than direct coupling. The electrical i...
Bus topology refers to the physical layout and connections of each device attached to the data bus. Single level topologies are the most basic, easy to design and widely implemented layouts with all terminal devices connected to a single bus. Multiple level topologies are designed by interconnecting single level buses so data from one bus can be tr...
MIL-STD-1760C, released April 15, 1991 defines implementation requirements for the Aircraft/Store Electrical Interconnection System (AEIS) between aircraft and stores. A store is any external device attached to the aircraft and includes permanent devices – ECM, LANTIRN, fuel tanks – and devices designed to separate – bombs, missiles, etc. MIL-STD-1...
Learn about the military specification for a digital data bus that connects remote terminal devices with a bus controller. The tutorial covers the history, structure, components, protocol and electrical characteristics of MIL-STD-1553B.
26 de jan. de 2021 · MIL-STD-1553 is a popular data transfer standard primarily used as an avionics bus since its development in the 1970s. This tutorial provides a brief overview of MIL-STD-1553 - explaining...
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- United Electronic Industries
Welcome to our new tutorial page for MIL-STD-1553. We hope this will help you understand many of the different concepts relating to usage of MIL-STD-1553 and accessorries such as couplers.
