Serial data format is 8 bit, one start bit and one stop bit. No parity bit.
The Address is sent separately from the command. Re
fer to section 7.7.3 for details.
The end of message is the Carriage Return character (ASCII 13). The power supply ignores the Line
Feed (ASCII 10) character.
The backslash character “
” will cause the last command to be repea
The user may add a checksum (optional) to the end of the command. The checksum is “$” followed by
acters. If a command or a query has a checksum, the response will also have one. There
is no CR between the command string and the “
The power supply acknowledges received commands by returning an “OK” message. If an error is
detected the power supply will return an error message. The rules of checksum apply also to th
If an error is detected in command or query, the power supply will respond with an error message. R
fer to section 7.6 for details.
The backspace character (ASCII 8) clears the last character sent to the pow
The power supply will return error messages for illegal commands and illegal programming param
1 for programming error messages and Table 7
Returned when program voltage (PV) is programmed above acceptable range.
Example: PV above ‘105% of supply rating’
Returned when programming output voltage below UVL setting.
Returned when OVP is progra
mmed below acceptable range.
Example: OVP less than 5% of supply voltage rating’ plus ‘voltage setting’.
Returned when UVL is programmed above the programmed output voltage.
Returned when programming the Output to ON during a fault shut down.
2: Commands error messages
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