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Operation
Power Supply Operation
58 Operating Manual for Multichannel Functionality (GPIB-M)
Read Error
Messages
The error queue holds up to 50 error messages. Once each message has been read, it
is cleared from the system.
To read from the error queue:
SYST:ERR?
This command returns an error code and message from the error queue. For example:
• -315, “Configuration memory test”
• -100, “Command error”
• 0, “No error”
See Appendix C. “Error Messages” for descriptions of the messages.
Clear Status Issue a Clear Status command to clear all error messages and status registers.
*CLS
or
STATus<channel>:CLEar
Configure
Auxiliary
Status Lines
The Auxiliary (Aux) lines are 2 open collector outputs that can be used to monitor
the status of the power supply. The auxiliary lines are referred to as AUX A and AUX
B. The auxiliary status lines can be set up to report the following status conditions:
• NONE
• ON: Output On
• OFF: Output Off
• OVOLtage: Over-Voltage Condition
• UVOLtage: Under-Voltage Condition
• OCURrent: Over-Current Condition
• UCURrent: Under-Current Condition
• FOLD: Fold Protection Tripped
• CC: Constant Current Mode
• CV: Constant Voltage Mode
• UNRegulated: Output Unregulated
• OTEMperature: Over Temperature Protection Tripper
• ACOFf: AC Protection Tripped
• SPRotection: Sense Protection Tripper