Serial Port - Exor eTOP 300 Series Operating Instructions Manual

5 Connections

5.1 Serial Port

The serial port is used to communicate with the PLC or with another type of controller.
Different electrical standards are available for the signals in the PLC port connector: RS-232, RS-422, RS-485.
The serial port is software programmable. Make sure you select the appropriate interface in the program-
ming software.
RS-232
Pin Description
1 GND
2
3 TX
4 RX
5
6 +5V output
7 CTS
8 RTS
9
The communication cable must be chosen for the type of device being connected.
MANUGENETOP3xx - Version 2.00
© 2018 EXOR International S.p.A. - Subject to change without notice
RS-422, RS-485
Pin
SERIAL PORT
Description
1 GND
2
3 CHA-
4 CHB-
5
6 +5V output
7 CHB+
8 CHA+
9
18