National Instruments 784799-01

The National Instruments 784799-01 PXI MIL-STD-1553 Interface Module, designated as model LV-222-550-000, is engineered for robust military and commercial applications utilizing the MIL-STD-1553 digital command-response, time-division multiplexing data bus protocol. This multi-function interface module features a single channel that supports Bus Controller, Remote Terminal (RT), and Bus Monitor operations, with the capability of user-configurable RT response times. Users can set response times, ranging from 9 μs to 819 μs in increments of 100 ns, with adjustments available in software. Note that error checking implementation may affect minimum response times by 3.7 μs for MIL-STD-1553A and 7.7 μs for MIL-STD-1553B.

The 784799-01 module enhances monitoring capabilities through filtering of terminal addresses and subaddresses, and it offers concurrent BC and RT simulation, protocol error injection, and adjustable transmit amplitude. While transmitting variable amplitudes, it is important to consider that the line drivers might not deliver very low voltages effectively. Additionally, a delay in zero crossing may affect subsequent timing if the next crossing occurs within less than 400 ns, potentially introducing distortion.

The module is compact, measuring 3U, and includes 16 TTL-compatible discrete I/O channels, making it suitable for various applications. It integrates seamlessly with software tools, such as NI LabVIEW, to simplify installation and configuration. The design does not require an external power supply, drawing power from the host system instead. Its modular architecture further facilitates easy addition, removal, and interchange of modules, enhancing overall system flexibility. The 784799-01 PXI MIL-STD-1553 Interface Module is backed by a warranty ranging from 2 to 3 years.