User manual

REMOTE CONTROL
37
Remote Connection Step
Entering the
remote control
mode
1. Connect the USB cable to the slave port.
2. The connection will be automatically
established, and the front panel shows
“USB…YES” message.
3. The power supply also automatically enters the
lock state (the Lock key will become activated).
Leaving the
remote control
mode
1. Disconnect the USB cable from the rear.
2. The display shows “USB…NO” message.
3. Unlock the power supply by keep pressing the
Lock key until it turns off.
4. The power supply goes back to the local
operation mode.
GPD-3303 Series User Manual
38
Command Syntax
Command format
1: command header
2: output channel
3: separator
4: parameter
Output channel
1 (CH1) or 2 (CH2)
Parameter Type Description Example
<Boolean>
boolean logic 0 (off), 1 (on)
<NR1>
integers 0, 1, 2, 3
<NR2>
decimal numbers
0.1, 3.14, 8.5
Note
Commands are not case-sensitive.
Error Messages
The following error messages might appear when the GPS-3303D or
3303S cannot accept the command.
Message contents Descriptions
Program mnemonic
too long
The command length must be 15 characters
or less.
Invalid character
Invalid characters, such as symbols, are
entered. Example: VOUT#
Missing parameter
The parameter is missing from the command.
Example: VSET: (should have a number)
Data out of range
The entered value exceeds the specification.
Example: VSET:33 (should be 32V)
Command not allowed
The entered command is not allowed in the
circumstance. Example: trying to set CH2
output while in the tracking mode.
Undefined header
The entered command does not exist, or the
syntax is wrong.