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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 5
explains how to read specific register bits and use the information they return.
STATus:OPERation[:EVENt]?
This query returns the value of the Operation Event register. The Event register is a read-only register,
which stores (latches) all events that are passed by the Operation NTR and/or PTR filter. Reading the
Operation Event register clears it.
Query Syntax STATus:OPERtion[:EVENt]? (@<channel list>)
Parameters None
Returned Parameters <NR1>(register value)
Examples STAT:OPER? (@1)
Related Commands *CLS
Table 6-4. Bit Configuration of Operation Status Registers
Bit Position
6
Bit Name
OFF
Bit Value
64
OFF =The selected output is off
VL- =The selected output is in negative voltage limit
VL+ =The selected output is in positive voltage limit
CC =The selected output is in constant current
STATus:OPERation:CONDition?
This query returns the value of the Operation Condition register. That is a read-only register, which holds
the live (unlatched) operational status of the dc source.
Query Syntax STATus:OPERation:CONDition? (@<channel list>)
Parameters None
Examples STAT:OPER:COND? (@1)
STATUS:OPERATION:CONDITION? (@1)
Returned Parameters <NR1> (register value)
STATus:OPERation:ENABle
This command and its query set and read the value of the Operational Enable register. This register is a
mask for enabling specific bits from the Operation Event register to set the operation summary bit
(OPER) of the Status Byte register. This bit (bit 7) is the logical OR of all the Operatonal Event register
bits that are enabled by the Status Operation Enable register.
Command Syntax STATus:OPERation:ENABle<NRf>,(@<channel list>)
Parameters 0 to 32767
Preset Value 0
Examples STAT:OPER:ENAB 1312,(@1)
Query Syntax STATus:OPERation:ENABle? (@<channel list>)
Returned Parameters <NR1> (register value)
Related Commands STAT:OPER?
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STAT:OPER:NTR
STAT:OPER:PTR
5
4
VL-
VL+
CC
32
16
CL- =The selected output is in negative current limit
1
CL+ =The selected output is in positive current limit
1
CV =The selected output is in constant voltage
1
1
Current priority mode only.
Language Dictionary - 6
3
2
1
CL-
CL+
8
4
2
2
Voltage priority mode only.
0
CV
1
2
2
2
69
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