Fetch - HP E1313A Manual

Subsystem Syntax
Comments
Chapter 5
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FETCh?

The command returns readings stored in VME memory.

FETCh?

•
This command is only available in systems using an HP E1405B or HP E1406A
Command Module.
• FETCh?
does not alter the readings stored in VME memory. Only the
commands will clear the readings in VME memory.
INITiate:...
•
The format of readings returned is set using the
•
Returned Value: REAL,32, REAL,64, and PACK,64 readings are returned in the
IEEE-488.2-1987 Definite Length Arbitrary Block Data format. This data return
format is explained in "Arbitrary Block Program and Response Data" on page 156
of this chapter. For REAL,32, readings are 4 bytes in length. For REAL,64, and
PACK,64 readings are 8 bytes in length.
•
PACKed,64 returns the same values as REAL,64 except for Not-a-Number
(NaN), IEEE +INF and IEEE -INF. The NaN, IEEE +INF and IEEE -INF values
returned by PACKed,64 are in a form compatible with HP Workstation BASIC
and HP BASIC/UX. Refer to the
for NaN, +INF, and -INF.
•
ASCii is the default format.
ASCII readings are returned in the form ±1.234567E±123. For example,
•
13.325 volts would be +1.3325000E+001. Each reading is followed by a
comma (,). A line feed (LF) and End-Or-Identify (EOI) follow the last reading.
•
Related Commands: FORMat[:DATA]
•
*RST Condition:
MEMory:VME:ADDRess 240000
MEMory:VME:SIZE 0
FORMat[:DATA]
FORMat[:DATA] command for the actual values
and MEMory:...
,
HP E1313/E1413 Command Reference
FETCh?
or
*RST
command.
commands.
MEMory:VME:STATe OFF
197
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