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Operation
Power Supply Operation
52
Operating Manual for Multichannel Functionality (GPIB-M)
OVP
The over voltage protection level is set with a command for remote mode and with
the front panel potentiometer for local mode. If operating in remote mode, and the
OVP is disabled by setting the trip level to 0, a second hardware OVP circuit, fixed
at approximately 115%, may trip and shutdown the unit. If this occurs, either
shutdown the unit, or toggle the output with a command, the interlock or front panel
S/D button to clear the OVP circuit.
OVP operation will remain the same for local mode. Specifically, it will be
controlled via the front panel potentiometer. The OVP LED will indicate if OVP has
been tripped. Either pressing the S/D button, or asserting the interlock will clear the
OVP condition and the unit resumes normal operation when the respective signal is
removed.
Fold
Protection
Fold Mode protection will shut the power supply down when the unit enters the
selected regulation mode for a specified period of time.
A programmable delay time causes the supply to wait before shutting down the
output.
To set the fold mode:
OUTP:PROT:FOLD {CC|CV|NONE}
Where:
•
NONE indicates fold protection is disabled.
•
CC indicates the supply will shut down due to constant current condition.
•
CV indicates the supply will shut down due to constant voltage.
The default value is NONE.
To set the fold delay:
OUTP:PROT:FOLD:DEL <delay_time>
Where:
<delay_time>
is a value in the range of 0–60 seconds.
Units may be specified as “ms” (milliseconds) “s” (seconds), or “min” (minutes). If
no units are specified, the default seconds are assumed. (Increments of 0.1s are
allowed.) The default value is 0.5 second.
Summary of Contents for GPIB-M-HPD
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Page 18: ...List of Figures xvi Operating Manual for Multichannel Functionality GPIB M...
Page 94: ...Current Sharing Operation 92 Operating Manual for Multichannel Functionality GPIB M...
Page 98: ...GPIB Performance Specifications 96 Operating Manual for Multichannel Functionality GPIB M...
Page 118: ...SCPI Command Reference Expressions 116 Operating Manual for Multichannel Functionality GPIB M...
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