Command reference
R&S
®
ZNA
1561
User Manual 1178.6462.02 ─ 20
DIAGnostic:HUMS:UTILization:HISTory?
This command returns the utilization history of the instrument. Each utilization or activ-
ity is assigned a timestamp for when the utilization has been active. Together they form
a pair of values.
Depending on the set data format, the queried data is either displayed in
XML
or
JSON
format. For more information about setting the data format, see
Timestamps follow the Unix time format.
Return values:
<HistoryResult>
<block_data>
Returns utilization history of the connected instrument as block
data out of timestamps and activities in the following format:
#blockdata{"timestamps":
[<timestamp1>,<timestamp2>,...],"activity":
[<activity1>,<activity2>,...]}
Pair of values:
<timestamp1> + <activity1>, <timestamp2> +
<activity2>
Binary block data with the following syntax:
#<Digits><Length><Binarydata>
#
Indicates the start of the binary block
<Digits>
Decimal value
Gives the number of decimal digits used for the
<Length>
value
<Length>
Decimal value
Number of bytes the follow in the
<Binary data>
part
<Binary data>
Binary data in ASCII format
Example:
//Return utilization history
DIAG:HUMS:UTIL:HIST?
Returns for example:
#3440{"timestamps":
[1612259226,1612345626,1612432026,1612518426],"activity":
[0,0,66000,81000]}
Usage:
Query only
DIAGnostic:HUMS:UTILization:HISTory:DELete:ALL
This command deletes the complete utilization history information from the instrument.
Alternatively, you can delete:
●
device history only with DIAG:HUMS:DEV:HIST:DEL:ALL
HUMS and service date commands
