B&K 1786B User Manual

 

19 

The DB9 

interface connector on the rear panel of the power supply can be transferred to RS-232 

interface,  the following information will tell you how to use the computer to control the output of the 
power supply. 

 

The DB9 interface connector on the rear panel of power supply is TTL voltage level; you can use 

the communication cable (IT-E131) to connect the DB9 interface connector of the power supply 
and the RS-232 interface connector of computer for the communication. 

 

Computer side                  TTL? RS232 Cable (IT-E131)            PS side   
 

PC

Load 

IT-E131 communication cable

 

                

 

 

Before using the remote operation mode, please make sure that the baud rate and communication 

address in power supply 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. 

1.  Address: the range is from 0 to 254, default setting is 0 
2.  Baud rate: 4800,9600,19200 and 38400 are selectable, default setting is 9600 
3.  Data bit: 8 bit    
4.  Stop bit: 1 
5.  Parity: None