Technical data
204
Panel PC 2100 user's manual V1.17
2.3.5.8.3.3 RS422 - Bus length and cable type
The RTS line must be switched on to switch the transmitter to active.
The maximum transfer rate of 115 kbit/s depends on the cable length as well as the type of cable being used.
Extension
Transfer rate
1200 m
Typ. 115 kbit/s
Table 206: RS422 - Bus length and transfer rate
The material used for the cable should have all of the following properties or deviate from them as little as possible
to achieve an optimal transfer rate.
RS422 cable
Property
Signal lines
Cable cross section
Wire insulation
Conductor resistance
Stranding
Shield
4x 0.25 mm² (24 AWG / 19), tinned copper stranded wire
PE
≤82 Ω/km
Wires stranded in pairs
Paired shield with aluminum foil
Ground line
Cable cross section
Wire insulation
Conductor resistance
1x 0.34 mm² (22 AWG / 19), tinned copper stranded wire
PE
≤59 Ω/km
Outer jacket
Material
Properties
Complete shielding
PUR compound
Halogen-free
Composed of tinned copper wires
Table 207: RS422 - Cable requirements
2.3.5.8.3.4 RS485 - Bus length and cable type
The maximum transfer rate of 115 kbit/s depends on the cable length as well as the type of cable being used.
Extension
Transfer rate
1200 m
Typ. 115 kbit/s
Table 208: RS485 - Bus length and transfer rate
The material used for the cable should have all of the following properties or deviate from them as little as possible
to achieve an optimal transfer rate.
RS485 cables
Property
Signal lines
Cable cross section
Wire insulation
Conductor resistance
Stranding
Shield
4x 0.25 mm² (24 AWG / 19), tinned copper stranded wire
PE
≤82 Ω/km
Wires stranded in pairs
Paired shield with aluminum foil
Ground line
Cable cross section
Wire insulation
Conductor cross section
1x 0.34 mm² (22 AWG / 19), tinned copper stranded wire
PE
≤59 Ω/km
Outer jacket
Material
Properties
Complete shielding
PUR compound
Halogen-free
Composed of tinned copper wires
Table 209: RS485 - Cable requirements
