Remote Control
Copyright © ITECH Electronic Co., Ltd. 10
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.
RS485 pins
1.8.2 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.
DB9 Serial Port
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. Baud rate: 4800,9600,19200 and 38400 are selectable, default setting is
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