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Programming Examples - 4
143
NTR Filter
STAT:OPER:NTR <n>
A negative transition filter that functions as
described under STAT:OPER:NTR|PTR
commands in Chapter 3. It is a read/write register.
Event
STAT:OPER:EVEN?
A register that latches any condition that is passed
through the PTR or NTR filters. It is a read-only
register that is cleared when read.
Enable
STAT:OPER:ENAB? <n>
A register that functions as a mask for enabling
specific bits from the Event register. It is a
read/write register.
The outputs of the Operation Status register group are logically-ORed into the OPER(ation) summary bit
(7) of the Status Byte register.
Table 4-1. Bit Configuration of Status Registers
Bit Signal Meaning
0
5
8
CAL
WTG
CV
Operation Status Group
Interface is computing new cal constants
Interface is waiting for a trigger
The output voltage is regulated
0
1
2
3
4
9
10
11
12
13
14
OV
OCP
SOA
UNR
OT
RI
CLpeak
Rail
CLrms
Isum
MeasOvld
Questionable and Questionable Instrument Isummary Status Groups
The overvoltage protection circuit has tripped
The overcurrent protection circuit has tripped
The safe operating area protection has tripped (Agilent 6811B/6812B/6813B) The
output is unregulated
An overtemperature condition has occurred
The remote inhibit state is active
The peak current limit circuit is active (Agilent 6811B/6812B/6813B)
The rail protection circuit has tripped (Agilent 6811B/6812B/6813B)
The rail is unregulated (Agilent 6814B/6834B/6843A)
The rms current limit circuit is active
Summary of QUES:INST:ISUM registers (Agilent 6834B)
Current measurement exceeded capability of low range (Agilent 6811B/6812B/6813B)
0
2
3
4
5
7
OPC
QYE
DDE
EXE
CME
PON
Standard Event Status Group
Operation complete
Query error
Device-dependent error
Execution error
Command error
Power-on
3
4
5
6
7
QUES
MAV
ESB
MSS
RQS
OPER
Status Byte and Service Request Enable Registers
Questionable status summary bit
Message Available summary bit
Event Status Summary bit
Master Status Summary bit
Request Service bit
Operation status summary bit