4. External connections
4.7 Profibus Interfaces
4.7.0.1 Wiring topic
l
Screened twisted-pair cables must be used.
l
Cable type A (as specified in Profibus standards IEC/EN 61158 and IEC/EN 61784)
Cable specifications
Rated cable impedance
150 Ohm
Permissible impedance
135 … 165 Ohm
Capacitance per unit length
< 30 pF/m
Loop resistance
< 100 Ohm/km
Core cross-section
≥ 0.34 mm
2
(22 AWG)
The maximal baud rate depends on the cable length.
Possible baud rates
With a max. cable length of
100 m
12000 kBit/s (12MBit/s)
200 m
1500 kBit/s (= default settings)
400 m
500 kBit/s (= default settings)
1000 m
187.5 kBit/s (= default settings)
1200 m
≤ 93.75 kBit/s
Tab. 17: Specifications for Profibus wiring
When preparing connections, ensure that the cable shield has a low
impedance connection with the connector housing.
XV360 Single Touch Display
07/19 MN048025EN www.eaton.eu
59
Содержание XV360
Страница 1: ...Manual 07 19 MN048025EN XV360 Single Touch Display Manual ...
Страница 4: ......
Страница 62: ...5 Faults 62 XV360 Single Touch Display 07 19 MN048025EN www eaton eu ...