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RS232 Baud Rate Setup (RS232 BPS)
Press key “
︿
” or “
﹀
” to go to baud rate setup. Each press makes a new baud rate, which takes
turns as: 4.8, 9.6, 19.2…….
Address Setup (ADDR)
In standby mode, press key “
︿
” or “
﹀
” to go to address setup. Each press makes a new address,
which take turns as: 1, 2, 3, 4…….30.
3.6 RS232 Commands
3.6.1 Data Format from PC to AC power supply
Equipment ID (1 byte)+command code (1 byte)+operation code (1 byte)+data (4 byte)+check code
(1byte)
Equipment ID
1-28
AC power supply ID
Command
code
ASCII
HEX
’R’
0x52
Read data
’W’
0x57
Write data
’X’
0x58
Software reset
Operation code Refer to section 3
Action object
Data
Low byte in the front, high byte
in the end
Write command: data written into AC power
supply
Read command: send back data to PC
Reset command: ignored
Check code
The add-up of the first 7 bytes
NOTE: After receiving the software RESET code, the AC power supply will not send back any
response code.
3.6.2 Data format from AC power supply to PC
Equipment ID (1 byte)+command code (1 byte)+operation code (1 byte)+data (4 byte)+check code
(1byte)
Equipment ID
1-28
AC power supply ID
Command code
ASCII
HEX
’R’
0x52
Read data
’W’
0x57
Write data
Operation code
Refer to section 3
Action object
Data
Low byte in the front, high byte
in the end
Data sent back in 4 bytes
Check code
The add-up of the first 7 bytes