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ISISPACE Modular Deployment Sequencer

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ISISPACE's modular deployment sequencer controls deployer activation timing, collects separation confirmations, and relays deployment status to a launch vehicle.

The ISISPACE Modular Deployment Sequencer (MDS), also named the Modular Deployment Controller (IMDC), is deployment-control electronics that sits between a launch vehicle and its satellite deployers.[1] ISISPACE also lists it as IMDS in its catalogue.[2] It receives launch-vehicle commands, runs preset activation sequences, collects separation confirmations and returns status telemetry.[1]

The sequencer supports third-party deployers, electrical ground support equipment (EGSE), internal or external power, and dual- or triple-redundant activation and telemetry.[1]

Example masses are approximately 1 kg for four externally powered deployers, 2 kg for eight internally powered deployers and 3.8 kg for 32 deployers with a high-current battery.[1] The base area is 250 x 100 mm, with a height that depends on the number of modules. The pulse supply is 28 V +/-4 V for 0.1-2 seconds.[1] Connections include analog breakwires, RS485, RS422, universal synchronous/asynchronous receiver-transmitter (USART), Controller Area Network (CAN) and Ethernet, with Serial Peripheral Interface (SPI) among the telemetry options.[1]

ISISPACE reports more than 430 payload deployments across more than 15 launches since 2014, and qualification for the Dnepr, PSLV, Falcon 9 and Vega launch vehicles.[1]

Sources
Cite https://eo-atlas.org/launch_services/isispace-modular-deployment-sequencer Markdown twin → Field definitions → Suggest a correction →
How to cite this page

Plain text

ISISPACE Modular Deployment Sequencer. EO-Atlas, SpectraWorks B.V. https://eo-atlas.org/launch_services/isispace-modular-deployment-sequencer (CC BY 4.0)

BibTeX

@misc{eoatlas:launch_services:isispace-modular-deployment-sequencer,
  title = {ISISPACE Modular Deployment Sequencer},
  author = {{EO-Atlas}},
  publisher = {SpectraWorks B.V.},
  note = {CC BY 4.0},
  url = {https://eo-atlas.org/launch_services/isispace-modular-deployment-sequencer}
}