Tektronix VX4801 User manual

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User Manual
VX4801
Programmable Digital I/O Module
070-9153-03
This document applies for firmware version 1.00
and above.

Copyright Tektronix, Inc. All rights reserved.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes
that in all previously published material. Specifications and price change privileges reserved.
Printed in the U.S.A.
Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

WARRANTY
Tektronix warrants that this product will be free from defects in materials and workmanship for a period of three
(3) years from the date of shipment. If any such product proves defective during this warranty period, Tektronix,
at its option, either will repair the defective product without charge for parts and labor, or will provide a
replacement in exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration
of the warranty period and make suitable arrangements for the performance of service. Customer shall be
responsible for packaging and shipping the defective product to the service center designated by Tektronix, with
shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a
location within the country in which the Tektronix service center is located. Customer shall be responsible for
paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage
resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product;
b) to repair damage resulting from improper use or connection to incompatible equipment; or c) to service a
product that has been modified or integrated with other products when the effect of such modification or
integration increases the time or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT IN LIEU OF
ANY OTHER WARRANTIES, EXPRESSED OR IMPLIED. TEKTRONIX AND ITS VENDORS
DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE. TEKTRONIX’ RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE
PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR
BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY
INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF
WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF
SUCH DAMAGES.

EC Declaration of Conformity
We
Tektronix Holland N.V.
Marktweg 73A
8444 AB Heerenveen
The Netherlands
declare under sole responsibility that the
VX4801
meets the intent of Directive 89/336/EEC for Electromagnetic Compatibility.
Compliance was demonstrated to the following specifications as listed in the Official
Journal of the European Communities:
EN 55011 Class A Radiated and Conducted Emissions
EN 50081-1 Emissions:
EN 60555-2 AC Power Line Harmonic Emissions
EN 50082-1 Immunity:
IEC 801-2 Electrostatic Discharge Immunity
IEC 801-3 RF Electromagnetic Field Immunity
IEC 801-4 Electrical Fast Transient/Burst Immunity
IEC 801-5 Power Line Surge Immunity
To ensure compliance with EMC requirements this module must be installed in a
mainframe which has backplane shields installed which comply with Rule B.7.45 of
the VXIbus Specification. Only high quality shielded cables having a reliable,
continuous outer shield (braid & foil) which has low impedance connections to
shielded connector housings at both ends should be connected to this product.

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22(0',:   !" .155$4;   
22(0',:   5(4 (48,&(   
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VX4801 Programmable Digital I/O Module iii
General Safety Summary
Review the following safety precautions to avoid injury and prevent damage to
this product or any products connected to it.
Only qualified personnel should perform service procedures.
While using this product, you may need to access other parts of the system. Read
the General Safety Summary in other system manuals for warnings and cautions
related to operating the system.
Injury Precautions
To avoid electric shock or fire hazard, do not apply a voltage to a terminal that is
outside the range specified for that terminal.
To avoid electric shock or fire hazard, do not operate this product with covers or
panels removed.
To avoid fire hazard, use only the fuse type and rating specified for this product.
To avoid electric shock, do not operate this product in wet or damp conditions.
To avoid injury or fire hazard, do not operate this product in an explosive
atmosphere.
Product Damage Precautions
To prevent product overheating, provide proper ventilation.
If you suspect there is damage to this product, have it inspected by qualified
service personnel.
Avoid Electric Overload
Do Not Operate Without
Covers
Use Proper Fuse
Do Not Operate in
Wet/Damp Conditions
Do Not Operate in an
Explosive Atmosphere
Provide Proper Ventilation
Do Not Operate With
Suspected Failures

General Safety Summary
iv VX4801 Programmable Digital I/O Module
Safety Terms and Symbols
These terms may appear in this manual:
WARNING. Warning statements identify conditions or practices that could result
in injury or loss of life.
CAUTION. Caution statements identify conditions or practices that could result in
damage to this product or other property.
These terms may appear on the product:
DANGER indicates an injury hazard immediately accessible as you read the
marking.
WARNING indicates an injury hazard not immediately accessible as you read the
marking.
CAUTION indicates a hazard to property including the product.
The following symbols may appear on the product:
ProtectiveGround
(Earth)Terminal ATTENTION Refer to Manual Double Insulated
DANGER
High Voltage
Certifications and Compliances
Overvoltage categories are defined as follows:
CAT III: Distribution level mains, fixed installation
CAT II: Local level mains, appliances, portable equipment
CAT I: Signal level, special equipment or parts of equipment, telecommunica-
tion, electronics
Terms in This Manual
Terms on the Product
Symbols on the Product
Overvoltage Category