5 Installation
5.3 Interfaces
MICRO PANEL XV-112
11/2011 MN04802005Z-EN
www.eaton.com
33
5.3.9
RS485
The RS485 interface is
not
electrically isolated. The GND pin is directly connected to the housing
potential.
Tab. 13 Pin assignment of the RS485 interface
CAUTION
Non-isolated interfaces
The device may be damaged due to potential differences.
The GND terminals of all bus stations must be connected.
Fig. 15 RS485 interface (9-pin, D-Sub, male, UNC)
Pin
Signal
Assignment
1
-
nc
2
-
nc
3
B
Line B
4
-
nc
5
GND
Ground
6
-
nc
7
A
Line A
8
-
nc
9
-
nc
nc: Pins 1, 2, 4, 6, 8 and 9 must not be connected.
1 2 3 4 5
6 7 8 9
