CORDS Fieldbus Cables

Fieldbus is an all-digital, serial, two-way communications protocol that standardizes the interconnection of field devices at a communications rate of 31.25 KHz. CORDS Fieldbus cables are used to carry the signals between the field devices and the networks.

Typical Type and Size:

These cables are generally manufactured with following sizes:-1Px18 AWG, 1Px 16 AWG and Multipair cables x 16 AWG

Main Characteristics:

  • The characteristic impedance of each twisted pair in the cable shall be 100+/-200 when tested as per ASTM D 4566 at 31.25 KHz.
  • Signal attenuation of each twisted pair shall be less than 3 dB/km at 39 KHz.
  • Minimum jacket resistance between cables shield and the metal structure shall be 1 M2/330 meters as defined in FF-844.
  • Maximum propagation delay variance from 0.25 fr to 1.25 fr equal to 1.7 µs/Km Other specification shall be in accordance to Type-A cable as per IEC 61158-2.

Options:

Conductor : Solid/stranded ABC/ATC
Insulation : Cross-linked Polyethylene
Sheilding : Individual pair shielded and overall shielded with Al-mylar tape along with drain wire.
Armour : Galvanised steel round wire/flat strip/Steeltape
Sheath : FR PVC/FRLS PVC/LSZH/As per customer requirements.