Kendrion Kuhnke Automation GmbH
Construction and Functionality
Kuhnke Vico
20
http://de.wikipedia.org/wiki/Datei:Functional_Earth.svg
Information
A low-impedance earth conductor improves the dissipation of interference received via external
power supply cables, signal cables or cables of peripheral units.
4.5.3 Serial Port, "COM"
The
port is not electrically insulated.
Use the software to switch it over
Pin wiring
X8
RS 232 / RS-422, RS-485 interfaces
Pin
Function
RS 232
RS-422, RS-485
1
GND
GND
2
3
TX
CHA-
4
RX
CHB-
5
6
+5 V output
+5 V output
7
CTS
CHB+
8
RTS
CHA+
9
10
Connection data
Mating connector
Type
Female Sub-D connector
Poles
9