BPP L39ZACZ - Block of Conversion and Adjustment

Article Nb.: #65, Published: 7.2.2008

The BPP L39ZACZ unit is a converter of standard analog and digital signals commonly used in aviation and industry applications.
Due to its modular architecture (it can be extended to three processor cards) the unit can be used in various configurations in regard to the number of signals or number of tasks to be executed (independent computing units or division of the tasks between HW and SW).

Respective processor cards share some of the input signals but their outputs are independently fed to the connectors.
To connect the wiring harnesses DSUB 50 and DSUB 25 connectors are used.
A short survey of the standard signal configuration is given in the chart nb.1
Contact our technical department to consult the optimum solution.
Following navigation signals are converted in the BPP L39ZACZ interface unit used in L-39ZA aircraft (and in cooperation with BKZ unit also displayed on the NPP1485MK indicator):
• HDG from GMK (synchro signal 36 V to ARINC407 signal)
• OBI from VIR-32 (CSDB signal to ARINC407 signal)
• ADF from RKL41 (desin signal to ARINC407 signal)
as well as other corresponding signals - mainly the discrete validity signals of the converted signals.
The BPP 39 ZACZ block was certified for environmental effects according to RTCA DO-160D and the operational temperature range with regard for its use in L-39ZA aircraft and its installation in non-conditioned space.

Possible application

• Ensuring the compatibility between western and eastern avionics
• Adjusting of the non-compatible synchro-systems
• Conversion of the synchro (desin) signals to digital form
• Digital data conversion to analog presentation
• Diagnostics and monitoring system

Current application

Survey of signal configuration – input signalss

In case of your interest please feel free to send us an enquiry.

Front view

Total view