Industrial Personal Computer Connections
106
RS-485 - Bus length and cable type
The maximum transfer rate of 115 kBit/s depends on the cable type being used.
The material used for the cable should preferably have all or most of the following properties
in order to reach an optimal transfer rate.
Distance [m]
Transfer rate [kBit/s]
1200
Typ. 115
RS-485 cable
Property
Signal lines
Cable cross section
Wire insulation
Conductor resistance
Stranding
Shield
4 x 0.25 mm² (24AWG/19), tinned Cu wire
PE
82
/km
Wires stranded in pairs
Paired shield with aluminum foil
Grounding line
Cable cross section
Wire insulation
Conductor resistance
1 x 0.34 mm² (22AWG/19), tinned Cu wire
PE
59
/km
Outer sheathing
Material
Characteristics
Entire shielding
PUR mixture
Halogen free
From tinned cu wires
Summary of Contents for PS-4700 Series
Page 1: ...PS 4700 4800 Series User Manual Atom N270 Core 2 Duo P8400 Pre installed Model...
Page 14: ...General Overview 14...
Page 62: ...Characteristics 62...
Page 86: ...Implementation 86...
Page 120: ...Configuration of the BIOS 120...
Page 138: ...Installation 138...
Page 160: ...Appendices 160...
Page 164: ...After sales service 164...