RS485-SHF1

RS 485 Marine

Variant:

Marine cable for monitoring oil wells and linking POS terminals, to alarm systems, motion control and HVAC controls. Extended capability transceivers offer data rates up to 100Mbps and up to 256 nodes, as well as 2500 VRMS isolation and fault protection up to ± 60V. Installations up to 1200m. Outer jacket SHF1.

Construction

Conductor
Stranded
Tinned Cu
AWG 22/7
Number of conductors
4
Dielectricum
Foamed PE
Ø=1,75 [mm]
Colour code
White, yellow, blue, orange
Sheath
Al/Mylar
100 [%optical cover]
Screen 2
Tinned Cu braid
≥85 [% optical coverage]
Jacket
Black or green
SHF1
O.D.
6,5 [mm]
Weight
58 [kg/km]
Jacket marking
NEK Kabel AS BUS RS485 4X2XAWG22/7 SHF1 DNV/GL IEC60332-3-24 ***m - DD/MM/YY

Specifications

Operating temperature
-30 - +80 [°C]
Temperature @ installation
0 - +60 [°C]
Characteristic impedance
120±15 [Ω @ 1MHz]
Conductor resistance
≤55,0 [Ω/km]
Dielectric strength
DC 2kV for 1min.
Resistance unbalance
≤5 [%]
Insulation resistance
≥1 [GΩ x km]
Attenuation
≤20,0 [dB/km @1MHz]
Min. bending radius
8 [x outer diam]

Norms

Sheathing material
NEK 606
Flame retardant
3306
Oil and fuel, hydrocarbons resistant
IRM 902
,  70°x 4h
UV-resistant
UL 1581
Certification
DNV-GL