Detailed Specifications for the SHC68-68-EPM Cable

Publish Date: Jan 09, 2018 | 0 Ratings | 0.00 out of 5 | Print

Overview

This article provides the specifications for the conductors in the SHC68-68-EPM cable.

Table of Contents

  1. Introduction
  2. Individually Shielded Analog Input Pairs (30 AWG)
  3. Digital Twisted Pairs (30 AWG)
  4. Digital Single Conductors (30 AWG)
  5. +5 V Lines (26 AWG)
  6. Additional Resources

1. Introduction

The SHC68-68-EPM is a shielded 68-conductor cable used to connect M Series and X Series devices to a number of accessories. Refer to the DAQ Cable and Accessories Guides for a more detailed description and list of compatible accessories.

The specifications for the conductors in the SHC68-68-EPM cable depend upon which conductors you are referring to:

 

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2. Individually Shielded Analog Input Pairs (30 AWG)

Differential impedance (typ.) 66 Ohms @ TDR
Mutual capacitance (typ.) 23.0 pF/ft nominal
Time delay (typ.) 1.55 ns/ft nominal
Conductor DC resistance (typ.) 0.099 Ohms/ft nominal @ 20 °C

 

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3. Digital Twisted Pairs (30 AWG)

Differential impedance (typ.) 107 Ohms @ TDR
Mutual capacitance (typ.) 14.5 pF/ft nominal
Time delay (typ.) 1.55 ns/ft nominal
Conductor DC resistance (typ.) 0.099 Ohms/ft nominal @ 20 °C

 

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4. Digital Single Conductors (30 AWG)

Conductor DC resistance (typ.) 0.099 Ohms/ft nominal @ 20 °C

 

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5. +5 V Lines (26 AWG)

Conductor DC resistance (typ.) 0.040 Ohms/ft nominal @ 20 °C

 

Note: These specifications are typical. They are not warranted and may change.

 

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6. Additional Resources

 

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