8.6 Message Reference
137
8
Chapter 8 RS-232C/GP-IB Interfaces
Query the Memory Data Count
Syntax
Query
:MEMory:COUNt?
Response <Memory data count>
<Memory data count> = 0 to 400 (NR1)
Example
Query
:MEM:COUN?
Response
5
Query (Download) Memory Data
Syntax
Query
:MEMory:DATA? [STEP]
Response <Memory data No. (NR1)>,<Measured resistance (NR3)>,<Measured
voltage (NR3)>
Memory data values are returned as data objects.
If [STEP] is omitted, all memory data objects are returned continu-
ously.
Example
Query
:MEM:DATA?
Example
Response
1, 290.60E-3, 1.3924E+0
2, 290.54E-3, 1.3924E+0
3, 290.50E-3, 1.3923E+0
4, 290.43E-3, 1.3923E+0
5, 290.34E-3, 1.3924E+0
END
Query
:MEM:DATA? STEP
Response
1, 290.60E-3, 1.3924E+0
N (Sent from PC)
2, 290.54E-3, 1.3924E+0
N (Sent from PC)
3, 290.50E-3, 1.3923E+0
N (Sent from PC)
4, 290.43E-3, 1.3923E+0
N (Sent from PC)
5, 290.34E-3, 1.3924E+0
N (Sent from PC)
END
Note
• Stored memory data objects are returned continuously, or one data object at a
time. The “END” character is returned as the last data object. When the “STEP”
parameter is specified, one data object is returned at a time. Sending “N” to the
instrument after receiving the data causes the next data object to be returned.
The memory index is an unsigned three-digit integer. Refer to “Measurement
Value Formats” for format details of returned measurement values.
• A terminator is appended to the end of each returned memory data object.
When sending “N” from the PC or other device, a terminator is required.
See " Message Terminators" (⇒ p.102).
• Measured values are stored in memory when pressing the TRIG key, applying a
signal to the TRIG
EXT I/O connector or sending the ∗TRG command (while
the Memory function is enabled). Up to 400 data objects can be stored. When
the memory is full, additional measurement data is not stored.
• When the Memory function is enabled, auto-ranging is disabled.
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