Festo CDPX - Page 65

3 Installation
Festo CDPX-… en 1203NH 3-8
RS-422, RS-485
Pin Description
1 GND
2
3 CHA-
4 CHB-
5
6 +5V output
7 CHB+
8 CHA+
9
To operate in RS485 pins 4-3 and 8-7 must be connected
externally.
The communication cable must be chosen for the type of
device being connected.