8.14
4)
Enter IBFIND GPIB@ (in upper or lower
following program will be executed:
IBSIC
Status Message Returned
IBTMO 12
Status Message Returned
IBEOT 1
Status Message Returned
IBSRE i
Status Message Returned
IBCMD "? @$"
Status Message Returned
IBWRT "TD IMS;TD ?"
Status Message Returned
IBCMD "? D"
Status Message Returned
case), at which
Meaning:
PC acts as controller
3 sec time-out
PC automatically enables <EOI> line
on final character of message
point the
Enable Remote 9400A operation
PC Talker; 9400A Listener
9400A enters REMOTE
TIME/DIV set to 1 msec; read
current value
PC Listener; 9400A Talker
IBRD 120 PC to read < 120 characters and
Status Message Returned stop when it encounters <EOI>
At this point the following message will be displayed
(with corresponding Hexadecimal ASCII codes to the left):
54 44 20 31 2E 30 30 45 T D I . 0 0 E
2D 30 33 20 53 0D OA - 0 3 S
IBONL
Status Message Returned
Disconnect PC from GPIB; set
9400A to Local operation
Exit IBIC program
the Plotter are all
E
Making a Plot when the Computer, the 9400A, and
Connected Together on a GPIB Bus (Option OP02 only)
In this configuration, the computer controls the GPIB bus and the
devices that are on the bus, such as the 9400A and the plotter. The
9400A cannot directly send plot data to the plotter even when it is in
LOCAL. It is the task of the computer to organize the data transfer.
The following sequence should be followed.
8-19
Basic 9400A Waveform Measurements
and Operating Procedures
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