Rs485 Serial Port - CD Automation CD3000E User Manual

1 RS485 Serial Port

The serial communication port RS485 is available on the Command Terminals and on the 9pin DIN
male connector.
On this port may be done a network up to 127 CD3000E.
On the 9pin DIN male connector is also possible connect the CD-EASY (see par. Errore. L'origine
riferimento non è stata trovata.)
Pin Description
1 PMS5 (+5V)
2 GND 0V
3 GND 0V
4 Reserved (Rxd0)
5 GND 0V
6 RS485 A
7 RS485 B
8 nc
9 Reserved (Txd0)
Terminal Description
1 RS485 A
2 RS485 B
3 For internal use
4 For internal use