Profibus - Eaton XV-102 Operating Instructions Manual

5 Installation
5.3 Interfaces
5.3.10
Wiring
42

Profibus

The Profibus interface is not electrically isolated.
CAUTION
Non-isolated interfaces
The device may be damaged due to potential differences.
The GND terminals of all bus stations must be connected.
Fig. 22 Profibus interface (9-pin, D-Sub, female, UNC)
Pin Signal
1 -
2 -
3 B
4 RTSAS
5 M5EXT
6 P5EXT
7 -
8 A
9 -
Tab. 20 Pin assignment of the Profibus interface
Pin 6 (5 V) must not be used as a power supply for external devices.
Shielded twisted pair cables, cable type A (in accordance with Profibus standards IEC/EN 61158
and IEC/EN 61784) must be used.
Cable specifications
Rated surge impedance
Permissible surge impedance
Capacitance per unit length
Loop resistance
Core cross-section
Tab. 21 Cable specifications
XV-102 Micro Panel MN04802004Z-EN—February 2013 www.eaton.com
www.comoso.com
5 4 3 2 1
9 8 7 6
Assignment
nc
nc
EIA RS 485 line B
Output for controlling a repeater
0V output for external termination
5V output for external termination
nc
EIA RS 485 line A
nc
150
135...165
< 30 pF/m
< 110 /km
2
0.34 mm (22 AWG)