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Status Commands
Status commands program the dc source status registers. The dc source has three groups of status
registers; Operation, Questionable, and Standard Event. The Standard Event group is programmed with
Common commands as described later in this section. The Operation and Questionable status groups
each consist of the Condition, Enable, and Event registers and the NTR and PTR filters. Chapter 3 under
"Programming the Status Registers" explains how to read specific register bits and use the information
they return.
Common commands also perform status functions. The following common commands are discussed in
this section:
*CLS
STATus:PRESet
This command sets all defined bits in the Status Subsystem PTR registers and clears all bits in the
subsytem NTR and Enable registers.
Command Syntax
Parameters
Examples
Table 4-4. Bit Configuration of Operation Status Registers
15–12
Bit Position
Bit Name
not
used
Bit Weight
CAL = The dc source is computing new calibration constants.
WTG = The dc source is waiting for a trigger.
CV = The dc source is operating in constant voltage mode.
CC+ = The dc source is operating in constant current mode.
CC = The dc source is operating in negative constant current mode.
STATus:OPERation?
This query returns the value of the Operation Event register. The Event register is a read-only register
which holds (latches) all events that are passed by the Operation NTR and/or PTR filter. Reading the
Operation Event register clears it.
Query Syntax
Parameters
Returned Parameters
Examples
Related Commands
STATus:OPERation:CONDition?
This query returns the value of the Operation Condition register. That is a read-only register which holds
the real-time (unlatched) operational status of the dc source .
Query Syntax
Parameters
Examples
Returned Parameters
*ESE
*SR?
*OPC
STATus:PRESet
None
STAT:PRES STATUS:PRESET
11
10
CC-
CC+
not
used
2048
1024
STATus:OPERtion[:EVENt]?
None
<NR1>(Register Value)
STAT:OPER?
*CLS
STAT:OPER:NTR
STATus:OPERation:CONDition?
None
STAT:OPER:COND?
<NR1> (register value)
*PSC
*SRE
*STB
9
8
7-6
CV
not
used
256
STATUS:OPERATIONAL:EVENT?
STAT:OPER:PTR
STATUS:OPERATION:CONDITION?
Language Dictionary - 4
*WAI.
5
4-1
WTG
not
used
32
0
CAL
1
61
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