Communication With Pc - ITech IT8500plus Series User Manual

IT-E123 communication module
The DB9 interface connector on the rear panel of the DC load is TTL voltage level;
The interface on both side port of IT-E123 are DB9 interface and RS485 interface, you
can use the communication module IT-E123 and an a standard RS485-RS232
conversion cable to connect the DB9 interface connector of the DC load and the RS-232
interface connector of computer for the communication.

6.2 Communication with PC

Before using the remote operation mode, please make sure that the baud rate and
communication address in the DC load are the same as in the computer software,
otherwise, the communication will fail, you can change the baud rate and communication
address from the front panel or from computer.
Commnunication settings
In order for the computer to communicate with the DC load, both must be set to the same
RS-232 settings. These communication settings are:
1. Address: the range is from 0 to 31, default setting is 0
2. Baud rate: 4800,9600,19200 and 38400 are selectable, default setting is 9600.
Refer to chaptor 1.7.
3. Data bit: 8 bit
4. Stop bit: 1
5. Parity: None,Even, Odd, default is None, refer to chaptor1.7.
Parity=None
User Manual
RS485 pins
Start Bit 8 Data Bits Stop Bit
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IT8500 USER MANUAL