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HP-IB and Parallel Option 041
This appendix tells you how to connect a computer to your HP 8590 Series Option 041
spectrum analyzer with the Hewlett-Packard Interface Bus (HP-IB).
Your spectrum analyzer has an HP-IB connector on the rear panel, as shown in Figure B-l.
‘0
PARALLEL
0
@c-j@
@
n
0
0
n
OPTION 041
Figure B-l. HP-IB Connector
cu133e
The HP-IB system utilizes a party-line bus structure. Devices such as the spectrum analyzer
are connected on
the
party line
with
HP-IB cables. A computer gives instructions and is the
“controller.
”
The spectrum analyzer takes orders and is the “listener.” The spectrum analyzer
is also capable of transmitting data over the party line. Devices that transmit data back to the
computer are “talkers.
n
Each device on the party line has an address. Device addresses are used by the controller to
specify who talks and who listens. A device’s address is usually set at the factory.
The number 7 preceding the device’s address (for example,
Analyzer=718),
signifies that the
HP-IB interface is selected.
When you turn on the spectrum analyzer, the HP-IB address appears on the screen (for
example,
HP-IB ADRS
: 18). If necessary, you can reset the address of the spectrum analyzer by
pressing
@fiFiF],
More
2 of 3 , AWLYZER ADDRESS
, entering in the address number using
the front-panel number keys, then pressing
Cm].
You may use any address between 0 and
30. (Usually, 1 is reserved for printers and 5 for plotters.)
HP-IB and Parallel Option 041
B-1