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Common Command Descriptions
Common Command Descriptions
*IDN? (Identification Query)
The *IDN? query causes a device to send its identification information over the
bus. The Test Set responds to the *IDN? command by placing its identification
information, in ASCII format, into the Output Queue. The response data is
obtained by reading the Output Queue into a string variable of length 72. The
response data is organized into four fields separated by commas. The field
definitions are described in
NOTE:
The Serial Number format can take one of two forms:
AAXXXXXXXX
or
XXXXAXXXXX
A = alpha character
X = numeric character
The form returned will depend upon the manufacturing date of the Test Set being
queried.
Table 13
Device Identification
Field
Contents
Typical Response
from Test Set
Comments
1
Manufacturer
Hewlett-Packard
2
Model
HP 8920B
Depends upon Model of Test Set
3
Serial Number
US12345678
ASCII character “0”, decimal
value 48, if not available
4
Firmware
Revision
Level
B.01.08
ASCII character “0”, decimal
value 48,if not available
Summary of Contents for 8920B
Page 10: ...10 ...
Page 16: ...Contents 16 9 Error Messages Index 673 ...
Page 17: ...17 1 Using HP IB ...
Page 48: ...48 Chapter 1 Using HP IB Remote Local Modes ...
Page 49: ...49 2 Methods For Reading Measurement Results ...
Page 61: ...61 3 HP IB Command Guidelines ...
Page 84: ...84 Chapter 3 HP IB Command Guidelines Guidelines for Operation ...
Page 85: ...85 4 HP IB Commands ...
Page 90: ...90 Adjacent Channel Power ACP ...
Page 116: ...116 Configure I O Configure ...
Page 156: ...156 Call Processing ...
Page 185: ...185 System System SYSTem ERRor Returns integer value quoted string ...
Page 242: ...242 Common Command Descriptions ...
Page 251: ...251 5 Advanced Operations ...
Page 377: ...377 7 IBASIC Controller ...
Page 458: ...458 Chapter 7 IBASIC Controller The TESTS Subsystem ...
Page 640: ...640 Chapter 8 Programming The Call Processing Subsystem Example Programs 11280 SUBEND 11290 ...
Page 643: ...643 9 Error Messages ...
Page 672: ...672 ...
Page 682: ...Index 682 ...