1)Its a Military Standard of Aviation Data Bus Its used to Interface different components ,modules with commons data bus.
2)MIL-STD-1553B defines the term Time Division Multiplexing (TDM) as
“the transmission of information from several signal sources through one
communications system with different signal samples staggered in time to
form a composite pulse train.”
3)Data Rate 1 MHz
Word Length 20 bits
Data Bits / Word 16 bits
Message Length Maximum of 32 data words
Transmission Technique Half-duplex
Operation Asynchronous
Encoding Manchester II bi-phase
Protocol Command/response
Bus Control Single or Multiple
Fault Tolerance Typically Dual Redundant, second
bus in “Hot Backup” status
Message Formats Controller to terminal
Terminal to controller
Terminal to terminal
Broadcast
System control
Number of Remote Terminals Maximum of 31
Terminal Types Remote terminal
Bus controller
Bus monitor
Transmission Media Twisted shielded pair
Coupling Transformer and direct
No comments:
Post a Comment