Specifications

Status Tutorial
Bit Bit Name
Decimal
Value
Definition
0 CV 1 Output is in constant voltage
1 CC 2 Output is in constant current
2 OFF 4 Output is programmed off
3 not used not used 0 is returned
4 WTG-tran 16 Transient system is waiting or a trigger
5-15 not used not used 0 is returned
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 Status Registers for a description of each register.
The following table describes the Questionable Status register bit assignments.
Bit Bit Name Decimal
Value
Definition
0 OV 1 Output is disabled by the over-voltage protection
1 OC 2 Output is disabled by the over-current protection
2 PF 4
Output is disabled by power-fail (low-line or brownout on AC
line)
3 CP 8 Output is limited by the power limit boundary
4 OT 16 Output is disabled by the over-temperature protection
5 MSP 32 Output is disabled by the master/slave protection
6-8 not used not used 0 is returned
9 INH 512 Output is disabled by an external INHibit signal
10 UNR 1024 Output is unregulated
11-15 not used not used 0 is returned
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
Agilent N8900 Series Operating and Service Guide 101