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HP Computer Systems
HP 98640A
7 -Channel Analog Input Interface
Hardware
Installation and Reference Manual
FIIOW HEWLETT
~~ PACKARD
HP Computer Systems
HP 98640A
7-Channel Analog Input Interface
Hardware
Installation and Reference Manual
r!J~ HEWLETT
a!1!II PACKARD
Fli.. HEWLETT
~I!.II PACKARD
Warranty Statement
Hewlett-Packard products are warranted against defects in
materials and workmanship. For Hewlett-Packard Desktop
Computer Division products sold in the U.S.A. and Canada,
this warranty applies for ninety (90) days from the date of
delivery.* Hewlett-Packard will, at its option, repair or replace
equipment which proves to be defective during the warranty
period. This warranty includes labor, parts, and surface
travel costs, if any. Equipment returned to Hewlett-Packard
for repair must be shipped freight prepaid. Repairs
necessitated by misuse of the equipment, or by hardware,
software, or interfacing not provided by Hewlett-Packard are
not covered by this warranty.
HP warrants that its software and firmware designated by HP
for use with a CPU will execute its programming instructions
when properly installed on that CPU. HP does not warrant
that the operation of the CPU, software, or firmware will be
uninterrupted or error free.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
A PARTICULAR PURPOSE. HEWLETI-PACKARD SHALL
NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES.
*For other countries, contact your local Sales and Service
Office to determine warranty terms.
~ . HEWLETT
.
a:~ PACKARD
ATTENTION:
Users of Series 300 Computer Systems
Please read this notice berore installing card.
The HP 98640A has one application which may pose serious usage problems:
In Series 300 machines, the right angle posts which connect the ADC card to its Wire Termination
Assembly can short out on the RFI suppression shield of the processor or other card if the cards are in
adjacent slots. Since the HP 98640A must be installed in the lower of paired slots, this occurance is likely.
There are two possible solutions.
The recommended solution is to apply an insulating material (such as electricial tape) to the upper surface
of the RFI shield on the processor or other ca rd.
The second, while more difficult. is equally effective: Always place the ADC card in a slot where the
contacts are cl4early not touching any conductor. This is not always possible due to the installation
constraint mentioned above.
HP 98640A
7-CHANNEL
ANALOG INPUT INTERFACE
FOR HP 9000 SERIES 200 COMPUTERS
HARDWARE INSTALLATION AND
REFERENCE MANUAL
Card Assembly: 98640-66501
Date Codes: A-2.419
B-2.420
Fliii. HEWLETT
~~ PACKARD
HEWLETT-]PACKARD COMPANY ManuaIPartN~98640-90001
Roseville Networks Division E0784
8000 Foothills Boulevard Printed in U.S.A
Roseville, Callifornia 95678 July 1984
[ PRINTING HISTORY
The Printing History below identifies the Edition of this Manual and any Updates that are
included. Periodically, update packages are distributed which contain replacement pages to
be merged into the manual, including an updated copy of this Printing History page. Also,
the update may contain write-in instructions.
Each reprinting of this manual will incorporate all past updates; however, no new informa-
tion will be added. Thus, the reprinted copy will be identical in content to prior printings
of the same edition with its user-inserted update information. New editions of this
manual will contain new information, as well as updates.
FIRST EDITION ...................................................................... July 1984
NOTICE
The information contained in this document is subject to change without notice.
HEWLETT-PACKARD MAKES NO WARRANTY OF ANY KIND WITH REGARD TO
THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Hewlett-Packard shall not be liable for errors contained herein or for incidental or con-
sequential damages in connection with the furnishing, performance, or use of this material.
This document contains proprietary information which is protected by copyright. All
rights are reserved. No part of this document may be photocopied or reproduced without
the prior written consent of Hewlett-Packard Company.
Copyright (c) 1984 by HEWLETT -PACKARD COMPANY
ii
98640A Analog Input Interface
CONTENTS
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