Response; Data - YOKOGAWA wt1600 User Manual

4.3

Response

On receiving a query from the controller, this
instrument returns a response message to the
controller. A response message is sent in one of the
following two forms.
• Response consisting of a header and data
If the query can be used as a program message
without any change, a command header is attached
to the query, which is then returned.
:DISPlay:FORMat?<PMT> ->
Example
:DISPLAY:FORMAT WAVE<RMT>
• Response consisting of data only
If the query cannot be used as a program message
unless changes are made to it (i.e. it is a query-only
command), no header is attached and only the data
is returned. Some query-only cmands can be
returned after a header is attached to them.
[:INPut]:POVer?<PMT> -> 0<RMT>
Example
When returning a response without a header
It is possible to remove the header from a response
consisting of a header and data. The
"COMMunicate:HEADer" command is used to do this.
Abbreviated form
Normally, the lower-case part is removed from a
response header before the response is returned to
the controller. Naturally, the full form of the header can
also be used. For this, the "COMMunicate:VERBose"
command is used. The part enclosed by [] is also
omitted in the abbreviated form.
IM 760101-11E
4.4

Data

Data
A data section comes after the header. A space must
be included between the header and the data. The
data contains conditions and values. Data is classified
as below.
Data Description
<Decimal> Value expressed as a decimal number
(Example: Set the PT ratio.
-> [:INPUt]:SCALing:PT:ELEMent1 100)
<Voltage><Current> Physical value
<Time><Frequency> (Example: Set the voltage range.
-> [:INPUt]:VOLTage:RANGE:ELEMent1 100V)
<Register> Register value expressed as either binary, octal, decimal
or hexadecimal
(Example: Extended event register value
-> STATUS:EESE #HFE)
<Character data> Specified character string (mnemonic). Can be selected
from { }
(Example: Select the trigger mode.
-> WSETup:TRIGger:MODE {AUTO|NORMal})
<Boolean> Indicates ON/OFF. Set to ON, OFF or value
(Example: Turn ON data hold. -> :HOLD ON)
<Character string data> Arbitrary character string
(Example: User-defined function
-> MEASure:FUNCtion1:EXPRession "URMS(E1)")
<Filename> Gives the name of a file.
(Example: Name of file to be saved
-> FILE:SAVE:WAVE[:EXECute] "CASE1")
<Block data> Arbitrary 8-bit data
(Example: Response to acquired waveform data
-> #40012ABCDEFGHIJKL)
<Decimal>
<Decimal> indicates a value expressed as a decimal
number, as shown in the table below. Decimal values
are given in the NR form specified in ANSI X3. 42-
1975.
Symbol Description
<NR1> Integer
<NR2> Fixed point number
<NR3>
Floating point number
<NRf> Any of the forms <NR1> to <NR3> is allowed.
Decimal values which are sent from the controller to
this instrument can be sent in any of the forms to
<NR3>. In this case, <NRf> appears.
For response messages which are returned from this
instrument to the controller, the form (<NR1> to <NR3>
to be used) is determined by the query. The same
form is used, irrespective of whether the value is large
or small.
In the case of <NR3>, the "+" after the "E" can be
omitted, but the "–" cannot.
If a value outside the setting range is entered, the
value will be normalized so that it is just inside the
range.
If the value has more than the significant number of
digits, the value will be rounded.
4.3 Response/4.4 Data
Example
125 -1 +1000
125.0 –.90 +001.
125.0E+0 –9E–1 +.1E4
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