McLaren Applied Technologies

Sensor Node SN-320

The SN-320 is an intelligent, microprocessor controlled data acquisition unit. A range of analogue, thermocouple and speed measurements are sampled at rates of up to 10ksps. The results are transmitted back to the host unit via CAN or FlexRay for logging or control.

SN-320 is configured by System Monitor.

In Detail

Application

  • Chassis or engine monitoring.

Electrical

  • Supply Voltage 7.5 to 16V DC
  • PowerPC data acquisition processor operating at 130MHz, with 1MB Flash and 192kB SRAM on chip

Inputs

  • 24 analogue inputs for 0V-to-5V measurement (12 configurable for Pt1000), 12-bit resolution, up to 10ksps
  • Four K-type thermocouple inputs, 12-bit resolution
  • Six DHE speed inputs
  • One RS422 time synchronisation input

Outputs

  • Two individual, protected 5V sensor supplies
  • One protected 10V sensor supply

Communications

  • One CAN interface (up to 1Mbps)
  • One dual-channel Flexray interface (20Mbps)

Connection Definition

  • Souriau double-density connectors
  • Connector A (host) 12-way
    Connector B (sensors) 26-way
    Connection C (sensors) 26-way

Mechanical

  • Case material machined magnesium alloy, painted black (stippled)
  • Weight less than 150g

Environmental

  • Splash resistant to standard motorsport fluids
  • Lids sealed with o-rings and screws sealed with silicone rubber
  • Maximum humidity 95% non-condensing
  • Minimum operating temperature 0°C
  • Internal Temperature not to exceed 85°C as measured by internal diagnostic sensors
  • Storage Temperature -10°C to +85°C
  • Vibration 100 to 1000Hz, all axes, 24 hours

Electro Magnetic Compatibility

  • Complies with the essential protection requirements of 89/336/EEC

Service

  • Recommended service interval 12 months

Connector A

  • Unit supply input
  • External reset input
  • CAN and FlexRay ID/slot configuration inputs (selection via external resistors to ground)
  • CAN
  • Dual-channel FlexRay

Connector B

  • 12 analogue inputs for 0V-to-5V measurement (six configurable for Pt1000)
  • Four K-type thermocouple inputs
  • Two individual, protected 5V sensor supplies

Connector C

  • 12 analogue inputs for 0V-to-5V measurement (six configurable for Pt1000)
  • Six DHE speed inputs
  • Two individual, protected 5V sensor supplies
  • One protected 10V sensor supply

Diagnostics

  • Inputs are checked for out-of-range and open-circuit conditions
  • Internal temperatures, unit supply input and sensor supply output voltages are monitored

Images/Diagrams

O 030 095 020 000

O 030 095 020 000

Connector Diagram

Connector Details

 
 

Connector A

  • External reset input
  • CAN and FlexRay configuration inputs
  • Dual-channel FlexRay
  • Time synchronisation input
 

Connector B

  • 12 analogue inputs
  • Six DHE speed inputs
  • Two 5V sensor supply outputs
 

Connector C

  • 12 analogue inputs
  • Six DHE speed inputs
  • Two 5V sensor supply outputs
  • One 10V sensor supply output
 

Ordercodes

Description Ordercode
SN-320 O 030 095 020 000

Contact us about Sensor Node

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The SN-320 is an intelligent, microprocessor controlled data acquisition unit. A range of analogue, thermocouple and speed measurements are sampled at rates of up to 10ksps. The results are transmitted back to the host unit via CAN or FlexRay for logging or control.

SN-320 is configured by System Monitor.

McLaren Applied Technologies
Manufactured by: McLaren Applied Technologies
Model: Sensor Node
Product ID: SN-320

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