Remote Operation
SCPI Commands for Digital Interfaces
Release 3.0
143
Enable Register
The enable register enables reporting of the event bits to the summary bit or the status
byte. The contents of the enable register are unchanged by *CLS and *RST.
Transition Filters
A positive transition filter allows an event to be reported when a condition changes
from false to true. Setting both positive and negative filters to TRUE allows an event
to be reported any time the condition changes. Clearing both filters disables event
reporting.
The contents of transition filters are unchanged by *CLS and *RST.
The status registers maybe be divided into 4 categories, the operation status registers,
the questionable status registers, the standard event status register and the status byte.
OPERation Status Register
The operation status register is a 16-bit register which contains information about
conditions which are part of the power supply’s normal operation.
The Operation Status data structure has the operation status register and 5
sub-registers to represent regulation, shutdown, protection shutdown, remote
control, and current sharing modes. Each of the sub-registers is summarized in a
summary bit.
Figure represents the Operation Status data structure. The “+” represents the logical
summation of bits in a register. Table 4.9, Table 4.10, Table 4.11, Table 4.13, and
Table 4.14 describe the meanings of each bit as well as the bit number and bit weight.
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