Keithley 2280S-32-6 Reference Manual

Series 2280 Precision DC Power Supply Reference Manual Section 7: SCPI command reference
077085503 / March 2019 7-121
:SYSTem:LFRequency?
This query returns the line frequency that was automatically detected when the instrument was turned on.
Type
Affected by
Where saved
Default value
Query only
Not applicable
Not applicable
Not applicable
Usage
:SYSTem:LFRequency?
Details
The instrument automatically detects the power line frequency when the instrument is powered on.
Power line frequency can be 50 Hz or 60 Hz.
Example
:SYST:LFR?
Return the line frequency.
Also see
None
:SYSTem:PASSword:LOCK
This command sets a remote interface to lock mode.
Type
Affected by
Where saved
Default value
Command only
Not applicable
Not applicable
admin
Usage
:SYSTem:PASSword:LOCK <password>
<password>
The password for remote connection
Details
When password protection is enabled, sending this command disables the remote interface. For
example, if you send this command through the GPIB interface, GPIB is locked and the instrument
ignores all the SCPI commands from the GPIB except the following command:
:SYSTem:LOCal
Example
:SYST:PASS:LOCK "admin"
Disable the current interface
Also see
:SYSTem:PASSword:MODE (on page 7-122)
:SYSTem:PASSword:NEW (on page 7-122)
:SYSTem:PASSword:UNLock (on page 7-123)

Keithley 2280S-32-6 Specifications

General

Brand	Keithley
Model	2280S-32-6
Category	Power Supply
Language	English