Communication Interface; Rs232; Optional Communications Interface - Chint Power CPS SC4.6KTL-O Installation And Operation Manual

7. Communication Interface

7.1. RS232

The PV-Inverter is equipped with a versatile communications interface.
Use "Pro Control" to monitor status of multiple inverters. Firmware
upgrades are also available via this interface.
CPS SC4.6KTL-O is integrated with a DB9 socket for the RS232
interface. Remove the DB9 socket cover before use.
Pin assignment of this DB9 socket is stated as below:
1
2
Pin
3
4
5
6
7
8
9

7.2. Optional Communications Interface

The PV-Inverter has an expansion slot for an optional communications
interface. Add a RS485 card or compliant card to extend the
communication functions of inverter.
N.C.
TxD
Signal Assignment
RxD
N.C.
Common
N.C.
N.C.
N.C.
N.C.
41
41
RS232 port & cover
Communication Slot