C O M M A N D R E F E R E N C E
Command Reference
7/01
LDC-3700 Series
87
C H A P T E R
4
Action
Sets automatic power−on clearing of the enable registers.
Values
0 = disable power−on clearing
1 = enable power−on clearing
Notes
Any non−zero value is interpreted as 1.
Registers affected:
Condition Status Enable
Service Request Enable
Event Status Enable
Standard Event Status Enable
Factory default condition: disabled.
In the disabled state, the values of the enable registers are saved through power OFF/ON. The
power−on status clear flag (see PSC?) is set false, disallowing service request interrupts after
power−on.
In the enabled state, the enable registers are cleared during power ON. The power−on status clear
flag (see PSC?) is set true, allowing service request interrupts after power−on.
Examples
*PSC 0
Disable automatic power−on clearing of the enable registers.
*PSC 1
Enable automatic power−on clearing of the enable registers.
Action
Requests the state of the power−on status clear flag.
Response
0
The enable registers are saved through power OFF/ON.
1
The enable registers are cleared during power ON.
Registers affected:
Condition Status Enable:
Service Request Enable
Event Status Enable:
Standard Event Status Enable
See Chapter Three for more information on register structure.
Example
*PSC?
Request state of power−on status clear flag.
Action
Stores data unique to the instrument, such as calibration date and serial number. This data is
protected from change by the "SECURE <nrf>" command and is usually entered by the factory.
Notes
The arbitrary block program data is exactly 25 bytes long.
*PSC <nrf value>
Power−on Status Clear
C
OMMON
D
EVICE
D
EPENDENT
F
RONT
P
ANEL
*PSC?
Power−on Status Clear?
C
OMMON
D
EVICE
D
EPENDENT
F
RONT
P
ANEL
*PUD
C
OMMON
D
EVICE
D
EPENDENT
F
RONT
P
ANEL
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