Specifications
Operating Manual SEFRAM 4451
M4451 A00
58
Communication with the instrument can be resumed only by setting the address to a suitable
value from the front panel.
COMMAND TYPE: Setting or Query
SETTING
Syntax: :SYSTem:COMMunicate:GPIB:ADDRess<ws><address>
Arguments:
Type: NRf
Range: 0 to 31
Rounding: To integer value
Examples: :SYST:COMM:GPIB:ADDR 20
QUERY
Syntax: :SYSTem:COMMunicate:GPIB:ADDRess?
Examples: :TRIG:SLOP?
Response: <address> in NR1 format
4.12.5.2 Error Queue Reading
This query returns the first entry in the error queue, and removes that entry from the queue. It's
function is identical to that of the :STATus:QUEue:NEXT? query.
COMMAND TYPE: Query only
QUERY
Syntax: :SYSTem:ERRor?
Response: <error number>,
“<error description>“
4.12.5.3 SCPI Version
This query is used to read the SCPI version to which the instrument complies.
COMMAND TYPE: Query only
QUERY
Syntax: :SYSTem:VERSion?
Response: 1992.0 (NR2 format)
4.12.5.4 Security
This command enables the instrument memory to be cleared. The stored settings are cleared
when the Security state is changed from ON to OFF, and the instrument state is returned to the
factory power-on default.
COMMAND TYPE: Setting or Query
SETTING
Syntax: :SYSTem:SECurity[:STATe]<ws><boolean>
Arguments:
Type: Boolean
Examples: :SYST:SEC ON
:SYST:SEC OFF
QUERY
Syntax: :SYSTem:SECurity[:STATe]?
Response: 0 | 1
4.12.5.5 Power-on Buffer
This command is used to set the Power On Buffer setting. The instrument will power-on with
the setting stored in that buffer. Setting the value to 99 will result in the instrument powering up
in the state it was in before it was powered down.










