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Enclosures, Cables and Connectors

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Enclosures, Cables and Connectors - PowerPoint PPT Presentation


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Enclosures, Cables and Connectors. Materials available: ABS plasic Polycarbonate Fiberglass Stainless Steel Aluminum. Enclosures. Needs to withstand hostile environments-rain, snow, saltwater blowing debris. Needs a full hinge and a positive latching system. Nema type 4 or 4X.

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Presentation Transcript
enclosures
Materials available:

ABS plasic

Polycarbonate

Fiberglass

Stainless Steel

Aluminum

Enclosures
  • Needs to withstand hostile environments-rain, snow, saltwater blowing debris.
  • Needs a full hinge and a positive latching system.
  • Nema type 4 or 4X
slide3

ABS Plastic: Advantages and Disadvantages

  • Light
  • Easily modified by machine shop
  • Nonconductive
  • Brittle
  • Not UV resistant – needs paint
  • No Hinged Units
slide4

Polycarbonate: Advantages and Disadvantages

  • Light
  • Easily modified by machine shop
  • Fairly durable
  • More UV resistant than ABS plastic
  • Nonconductive
  • Black or clear color
  • Still needs to be painted for UV resistance
  • No Hinged Units
slide5

Fiberglass: Advantages and Disadvantages

  • Lightest
  • Easily modified by machine shop
  • More durable than Polycarbonate
  • Mostly UV resistant
  • Nonconductive
  • Best R factor
  • Most inexpensive
  • Pain to machine (dust)
  • Will break down over long time (years) if not painted
slide6

Stainless Steel: Advantages and Disadvantages

  • Most durable of all materials (will last forever)
  • Pain to machine (hard material)
  • Most heavy
  • Conducts heat/cold/electricity
  • Most expensive
slide7

Aluminum: Advantages and Disadvantages

  • Very durable (will last forever)
  • Easy to machine
  • Expensive
  • Heavy
  • Conducts heat/cold/electricity
  • Needs coating
  • 2nd most expensive
sizes and costs
Sizes and Costs
  • Material Size Weight Price
  • SS 16 x 14 x 6 20 673.80
  • 16 x 12 x 8 23 788.10
  • Fiberglass 16 x 14 x 8 10 152.30
  • 15.5 x 12 x 8.25 11 289.60
  • Al 16 x 14 x 6 8 392.90
  • 16 x 12 x 6 10 670.50
  • 20 x 16 x 10 16 885.60
cables
Jacket choices: PVC, teflon, polyurethane

Inner insulation choices: PVC, teflon, polyethylene

Cables
  • Hostile environments – water, snow, cold, heat, mud, saltwater, rodents, farm machinery
  • No. of traces?
  • Standard lengths?
cable costs
Cable Costs
  • 22 AWG 4 twisted pairs, PU jacket, PE insulation – 1000 ft @ $1.46/ft - 2500 ft @ $1.19/ft
  • 22AWG 5 conductors, tpe jacket and insulation, $2.78/ft
  • 22 AWG 4 twisted pairs, PVC jacket, shielded, 500 ft @ $1.22/ft
connectors
Connectors
  • Weather resistant
  • Small in size
  • No of pins?
  • Multiple insertions/extractions
  • Easily installed on cables
  • Cost
connectors1
Connectors
  • AMP CPC series 1 connectors
  • Bulgin 900 series “Buccaneer”
  • Bulgin STD Buccaneer
  • Bulgin 400 series Buccaneer
  • Conxall
  • Amphenol mil-spec connector
amp cpc connectors
No spec for waterproofing

Large – 27 mm dia for 9 pin connector

AMP CPC Connectors
  • Have existing inventory, crimpers, experience
  • Inexpensive
  • Fairly easy to install
bulgin 900 series buccaneer
Large – 7 pin connector has 50 mm dia.

No more than 7 contacts

Expensive – aprox. $29.00 ea on avg.

No existing tooling or experience

Bulgin 900 Series Buccaneer
  • Waterproof specs
  • Low temp specs to -40 deg C
  • 7 contacts available
bulgin std buccaneer connector
Large – 9 pin connector 38 mm dia

No existing tooling or experience

Bulgin STD Buccaneer Connector
  • Waterproof specs
  • Saltwater resistant
  • -40 deg C low temp spec
  • Inexpensive – 9 pin connector $9.00 on avg
  • USB and ethernet connectors in same size
bulgin 400 series buccaneer
No existing tooling or experienceBulgin 400 series Buccaneer
  • Waterproof specs
  • Low temp specs to -40 deg C
  • Small – only 19 mm dia for 12 pin connector
  • Inexpensive – only $4.00 each on avg
conxall multi con connectors
Inexpensive – aprox. $7.00 ea on avg

No existing tooling or experience

ConXall Multi-Con Connectors
  • Waterproof specs
  • Low temp specs to -55 deg C
  • Saltwater resistant
  • Smaller than exisiting AMP CPC connectors 22 mm dia 9 pin conn
  • Min 300 mate/unmate cycles
amphenol mil spec connectors
Large – 32 mm dia for 7 pin connector

Expensive – upwards of $40.00 ea min.

Amphenol mil spec Connectors
  • Waterproof specs
  • Cold temp specs
  • Varied configurations and sizes available
  • Have exisiting experience
  • Metal shells instead of plastic