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Status Registers
Overview
Release 2.1
73
SHUTdown
Sub-Register
The Shutdown sub-register indicates the cause of the power supply shutdown. More
than one bit may be active, and multiple actions will be required to enable the output.
The protection shutdown sub-register indicates which protection mechanisms have
caused the power supply to shutdown.
Table 4.3
SHUTdown Sub-Register
Protection
SHUTdown
Sub-Register
Table 4.4
Protection SHUTdown Sub-Register
Remote
CONtrol
Sub-Register
This identifies which remote interface is controlling the unit. Only one bit is active
at a time with the exception of analog control, where voltage or current alone, or both
may be under remote control. Current share mode is considered to be under local
control, even though the user cannot adjust the voltage setting from the front panel.
Bit
Bit Weight Bit Name
Description
0
1
PROTectio
n Summary
The power supply is shut down by a power
supply protection mechanism.
1
2
INTerlock
The power supply is shut down by INTerlock
signal.
2
4
COMMand
The power supply is shut down by a command.
Bit
Bit Weight Bit Name
Description
0
1
Over VOLTage
Over voltage protection has tripped
1
2
Under VOLTage
Under voltage protection has tripped
2
4
Over CURrent
Over current protection has tripped
3
8
Under CURrent
Under current protection has tripped
4
16
Reserved
5
32
Reserved
6
64
AC Fail
AC Fail protection has tripped
7
128
Over Temperature
Over temperature protection has tripped
8
256
SENSe
Sense protection has tripped
9
512
FOLDback
Foldback protection has tripped
10
1024
Output Fail
The power supply is shutdown by a
hardware circuit that monitors the output
and compares it to the setpoint.
Shutdown could indicate a bridge failure.
A temporary condition may be caused by
transients.
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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