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Status Tutorial
Bit
Bit Name
0
CV
1
CC
2
OFF
3
not used
4
WTG-tran
5-15
not used
Questionable Status Group
These register groups record signals that indicate abnormal operation. The group consists of a Condition, PTR/NTR,
Event, and Enable register. The outputs of the Questionable Status group are logically-ORed into the QUEStionable
summary bit (3) of the Status Byte register. Refer to
The following table describes the Questionable Status register bit assignments.
Bit
Bit Name
0
OV
1
OC
2
PF
3
CP
4
OT
5
MSP
6-8
not used
9
INH
10
UNR
11-15
not used
Standard Event Status Group
These registers are programmed by Common commands. The group consists of an Event and Enable register.The
Standard Event event register latches events relating to communication status. It is a read-only register that is
100
Decimal
Value
1
Output is in constant voltage
2
Output is in constant current
4
Output is programmed off
not used
0 is returned
16
Transient system is waiting or a trigger
not used
0 is returned
Status Registers
Decimal
Value
1
Output is disabled by the over-voltage protection
2
Output is disabled by the over-current protection
Output is disabled by power-fail (low-line or brownout on AC
4
line)
8
Output is limited by the power limit boundary
16
Output is disabled by the over-temperature protection
32
Output is disabled by the master/slave protection
not used
0 is returned
512
Output is disabled by an external INHibit signal
1024
Output is unregulated
not used
0 is returned
Definition
for a description of each register.
Definition
Agilent N8900 Series Operating and Service Guide
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