HP-IB Check, Example
This first program is to verify that the HP-IB connections and
Program 1
interface are functional. Connect a controller to the swept signal
generator via an HP-IB cable. Clear and reset the controller and
type in the following program:
10
20
30
40
50
60
70
80
90
Source=719
ABORT 7
LOCAL Source
CLEAR Source
REMOTE Source
CLS
PRINT “The source should now be in REMOTE.”
PRINT “Verify that the ‘REMOTE’ LED is
on.”
END
Run the program and verify that the REMOTE LED is lit on the
swept signal generator. If it is not, verify that the swept signal
generator address is set to 19 and that the interface cable is properly
connected.
If the controller display indicates an error message, it is possible that
the
program was entered in incorrectly. If the controller accepts
the REMOTE statement but the swept signal generator REMOTE
LED does not turn on, perform the operational checks as outlined in
the
respective Operating and Service Manuals to find the defective
device.
Program Comments
10: Set up a variable to contain the HP-IB address of the source.
20: Abort any bus activity and return the HP-IB interfaces to
their reset states.
30: Place the source into LOCAL to cancel any Local Lockouts
that may have been set up.
40: Reset the source’s parser and clear any pending output from
the source. Prepare the source to receive new commands.
50: Place the source into REMOTE.
60: Clear the display of the computer.
70: Print a message to the computer’s display.
l-90 Getting Started Programming
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