Launcher electronics

Electronics on Ariane 5 & VEGA

Sequential electronics (Ariane 5):

Effectors driving, including EVs for cryogenic engines
Loop closure commands
Part of the pyrotechnical chain
>470 FMs delivered

Turbo-pump speed conditioner (Ariane 5):

Measures the rotation speed of HM7b’s turbo-pump
29 FMs delivered

Multi-functional unit (VEGA):

1553 Bus Repeater
Power source – Ground / On-board – management
Avionics’ power distribution
Effectors’ driving
Safety Management
18 FMs delivered

Upper stage harness:

Equipped AVUM avionics module

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Electronics on Ariane 6 & Vega-C

Centralized Multi-Functional Unit (CMFU) (Ariane 6):

On-board computers (functional and telemetry), based on ARM Cortex R5 microprocessor
Time-triggered ethernet switch
Electro-valves and loop closure commands
Power distribution

Pyrotechnical Firing Unit (PFU) (Ariane 6):

Electro-Explosive Devices (EED) commands
Laser-Initiated Devices (LID) commands
Includes all the safety barriers

Batteries (Ariane 6):

Product based on commercial cells
High production rate
Batteries assembly facility for Ariane 6 fully operational in 2023

Multi-functional unit (VEGA-C):

Based on Airbus Defence and Space heritage in the development of launch vehicles MFUs, this MFU has been specifically developed for VEGA-C, although its modular concept would allow the reuse of modules in other launchers.

Key assets:

1553 bus repeater
Power source – ground / onboard – management. Interfaces with 7 different batteries
Avionics’ power distribution
Effectors’ driving (electro-valves, loop closure commands, EEDs, NEAs)
Wide range of payload services (Electrical orders, NEAs, 1553 bus…)
Safety function management
Interface with ground control bench by means of RS-422

Upper stage harness (VEGA-C):