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98640A Analog Input Interface
yes, only failing tests and their measurements will be displayed. If the answer is no, only the passed or
failed status of each A -to-O card will be displayed, along with the number of test passes that have
been run.
RUN-ERROR REPORTING
If any run -time error occurs during execution of the verification program, the error is reported on the
CRT and a branch is made to the repeat program question. The verification program tests for errors
that correspond with HP 98645A Measurement Library errors. When a Measurement Library error
occurs it is reported by both number and description. If some other run time error occurs it is reported
by it's Pasca.l operating system error number or I/O error number as defined in the Pascal 2.1 Users
Manual. Tables 5-1 and 5-2 list error codes.
If any run -time errors occur, write the down the error number then repeat the tests. If you still get
an error, turn the system off. Gently wiggle the test assembly, turn the power back on and test the
card again. If the error(s) still are reported, read the information under the heading "On Failure"
below.
NOTE
Always repeat the test if the error code reported is 860
(Offset out of range). Transient noise can cause such an
error.
Successful Verification
When an A -·to-D card passes the test all you will have to do is:
On Failure
1. Remove the verification program disk.
2. Power down your system
3. Remove the test assembly by pulling it straight back, away from the card cage, to
avoid bending the mating post on the A-to-D card.
4. If you have performed the verification test as part the initial installation of the
card go back to Section II, Installation, and pick up from where you were (probably
under the heading "Checking a new A -to-D card").
5. If this was just a check of a previously installed A -to-O card, reconfigure your sys-
tem, if necessary, to suit your application. Consult your system's and peripheral's
manuals for help with installing the different pieces of hardware and software.
Reattach the wire termination assembly.
If your A -to-D card fails the verification test, turn your system off, and remove the test assembly
from the A -·to-D card. Remove the A -to-O from your system and return the card to your HP Sales
and Service office for repair. Please include your list of errors with the card. There is more informa-
tion on returning a card in Section II, Installation. Look under the heading "Return Shipment".
5-5
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