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A
Technical Data
Network-specific
Key feature
Protocol
Specification
PROFIBUS chip
Feature
Type of transmission
Transmission rate
Maximum cable length per segment
1)
Branch line length
š 1500 kbps
, 1500 kbps
2)
Cable specification
Cable type
Surge impedance
Capacitance per unit length
Loop resistance
Wire diameter
Wire cross section
1) Dependent on transmission rate
2) According to IEC 61158 (Type A)
Tab. A.3
Festo – CPX-E-PB-EN – 2017-07 – English
[kbps]
1)
[m]
[m]
[Ω]
[pF/m]
[Ω/km]
[mm]
[mm²]
Specification/value
PROFIBUS DP
IEC 61158
VPC3 with DVP1
RS485
Serial asynchronous, half-duplex
9.6 ... 12000 (automatic detection)
100 (at 3000 ... 12000 kbps)
200 (at 1500 kbps)
400 (at 500 kbps)
1000 (at 187.5 kbps)
1200 (at 9.6 ... 93.75 kbps)
. 6.6
No branch lines permitted
Twisted-pair cable, screened
135 ... 165 (3 ... 20 MHz)
. 30
š 110
, 0.64
, 0.34
25
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