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Tektronix
/
User Manual
VX1401
C
Size Mainframe
bus
Please check for change information
at the rear of this manual.
First
Edition:
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Junc
1994
Copyright O Tektronix, Inc.
1994.
A11 rights reserved.
Tektronix products are covered
that in all pre~iously published material. Specifications and price change privileges reserved.
,
,,
f
)I
by
US.
and foreign patents. issued and pending. Information in this publication supercedes
Printed in the U.S.A.
P.O.
Box
1000,
Tektronix, Inc.,
EKTRONIX and
Wilsonville,
TEK
are registered trademarks
OR
97070-1000
of
Tektron~x. Inc.
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-
WARRANTY
1
.
I
c
Tektron~x warrants that thi\ product wlll be tree from detect\ in matellals and workman\h~p for 3 ~erlogt of thee,
(3)
year5 from the date ot sh~pment It any such product ploves defect~ve dur~ng th15 warranty
will
at ~ts optlon, e~ther
repalr the detectlbe product wlthout chalge tor part5 and labor, or w~ll prov~de
replacement In exchange to1 the detect~ve 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
period.
,%
Tektron~x.
a
a
I/
,.
:
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
location within the country
in
which the Tektronix service center is located. Customer shall be responsible for
a
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
to
resulting from attempts by personnel other than Tektronix representatives
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.
J',
,
/
,
I),
,
{IF:
)I1
I''
>>iJ',;>i-i
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Table
of Contents
Getting Started
.....................................................
Product Description
1 . 1
...............................................
System Configuration 1 . 1
Backplane
.........................................................
1- 2
......................................................
Compatibility 1 . 2
Installation
.............................................................
1
.
3
Operating Basics
FunctionalOverview
....................................................
2- 1
Power Budget
...........................................................
2- 1
Grounding
.............................................................
2- 1
................................................
5V Standby Power Supply 2 . 1
Fuses
..................................................................
2-
1
230VoltOperation
......................................................
2-2
Powercords
............................................................
2-2
Backplane
.............................................................
2-4
BackplaneJumpers
......................................................
2-4
Cooling
................................................................
2- 5
.....................................................
Syntax and Commands
3
.
1
..........................................................
Status and Events
3
.
1
...................................................................
Examples
5- 1
.................................................
Appendix A
.
Specifications
A . 1
.......................................
Appendix
B
.
Input/Output Connections
A
.
5
........................................
Appendix C
.
Power Budget Worksheet
A
.
7
Appendix
D
.
Servicing
.................................................
Adjusting Power Supply
A
.
9
............................................
.
Selecting Cooling Fan Speed A 11
...................................................
Cleaning Air Filters
A
.
11
.............................................
Assembly And Disassembly
A
.
12
...............................
.
Appendix E (Option 1 M)
MATE Applications A . 15
.............................................
Appendix F
.
Replaceable Parts
A
.
17
......................................................
Appendix
G
.
Options
A
.
19
..................................................................
Glossary
A
.
21
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Operators Safety Summary
The general safety information in this summary is for both operating and servicing personnel.
Additional specific warnings and cautions are found throughout the manual where they apply,
and may not appear in this summary.
TERMS
In This Manual
WARNING
practices that could result in personal injury or
loss of life.
CAUTION
practices that could result in damage to the
module or other property.
Marked on the Module
DANGER
immediately accessible as one reads the
rnarking.
CAUTION
not immediately accessible as one reads the
marking, or a hazard to property, including the
module itself.
statements identify conditions or
statements identify conditions or
indicates a personal injury hazard
indicates a personal injury hazard
SYMBOLS
Power Source
This module is intended to operate in a
mainframe whose power source does
not apply more than
the supply conductors or between
either supply conductor and ground.
protective ground connection through
the grounding conductor in the power
cord(s) is essential for safe operation.
250V
Grounding the Module
This module is grounded through the
grounding conductor of the mainframe
power
shock, plug the mainframe power
cord(s) into a properly wired receptacle
before connecting to the module
connectors.
connection through the mainframe is
essential for safe operation.
Danger Arising from Loss
Upon loss of the protective-ground
connection, all accessible conductive
parts can render an electric shock.
cord(s). To avoid electrical
A
protective ground
of
rms between
A
Ground
In This Manual
This symbol indicates where
applicable cautionary or other
information is to be found.
0
Marked on the Module
!
This symbol indicates where
special explanatory information is
included in the manual. There is
no caution or danger associated
with the information.
DANGER
Protective ground (earth) terminal.
-
69
ATTENTION
manual.
0
Refer to manual before using.
High Voltage.
-
Refer to the
Use the Proper Fuse
To avoid fire hazard, use only fuses
specified in the module parts list. A
replacement fuse must meet the type,
voltage rating,
specifications required for the fuse that
it replaces.
Do Not Operate
and
current rating
in
Explosive
Atmosphere
To avoid explosion, do not operate the
module in an explosive atmosphere.
Do Not Remove Covers or Panels
To avoid personal injury, the module
covers should be removed only by
qualified service personnel. Do not
operate the module without covers and
panels properly installed.
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Preface
Conventions
This is the user manual for the VX1401 Mainframe.
)
Jh
Please read and follow all instructions for installation and
configuration.
This manual assumes you are familiar with VXIbus instruments
and operation, and with the purpose and function of this
instrument. The
Operatrng
Basics
section presents an overview
of this instrument's operation.
The names of all switches, controls, and indicators appear in
this manual exactly as they appear on the instrument.
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Product Description
Getting Started
System
Configuration
The Tektronix/CDS Instrument on a Card (IAC) System is an easy-to-use
integrated modular system for implementing automatic testing, data acquisition
and control, and remote-monitoring instrumentation systems. Based on IAC
technology, the system permits the compact, inexpensive "test station in a box"
approach to ATE, instead of bulky, expensive, "rack and stack" stations.
Versatile and rugged, the
advantages in space, cost, and performance.
One of the primary building blocks for this system is a Tektronix/CDS VXIbus
mainframe for C size and smaller modules. Tektronix/CDS offers two versions
of a C size mainframe with 13 slots capacity. (A five-slot C size mainframe, the
VX1405, is also available.) The two 13-slot mainframes, the VX1400 and
VX1401, provide alternatives not only in cost, power, and weight, but also in
dynamic current and noise performance.
The
VX1400 Mainframe provides slightly more useable power (702 Watts vs. 570
Watts). At lower cost and weight, though, the VX1401 Mainframe is the
preferred model in most other respects. By making more efficient use of
available power, the VX1401 provides substantially better dynamic current
capacity and low noise levels over a wider range of instrument loading than the
VX1400. The lower power capacity also permits extending the operating
temperature range to -10" to 55" C (from 0" to 50" C).
The VX1400 or VX1401 Mainframe is designed to hold up to 12 instrument
modules plus a Resource
VX4521 Advanced Slot 0 Device/Resource Manager Module, for use in IEEE-488
applications with an external system controller. Alternately, the mainframe can
use an embedded PC-AT-386 compatible system controller/slot 0 unit, such as
Tektronix/CDS VX4544. The VX4544, with a hard drive, floppy drive, and
the
a full-size expansion slot, occupies three instrument slots, leaving ten slots for
instrument modules.
Tektronix/CDS IAC system provides significant
Manager/Slot 0 module, such as the Tektronix/CDS
The
VX1401 is delivered complete with backplane, power supplies, all chassis
hardware, and a decorative front
hardware so that it may be mounted in a standard 19 inch NEMA equipment
rack. Sufficient room (3 inches) is provided between the front panel and the
metal front panel of the IAC modules to conceal cables being routed to the
(Unit Under Test) or other instruments. Cables are normally routed from
connectors located on the module front panels through an integral cable tray to
the rear of the chassis. In addition, vertical cabling between instruments in
VX1401 Mainframes is provided by cabling openings at the top and bottom of
the chassis in front of the instrument front panels. (Note that the unit may be
operated without the decorative panel installed. The thermal integrity of the
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ane el.
The unit also includes rack mounting
UUT
VX1401 will not be affected if filler panels are properly installed in empty
slots.)
The
integrated unit controlled by a user-defined system controller, which may be an
external device or an internal embedded computer. All
IAC Modules are fully compatible with the VX1401.
series modules may also be utilized by using a 73A-853 Adapter Module.
Backplane
The VX1401 eight-layer monolithic backplane supports all of the VXIbus system
architecture features designed to facilitate system performance, including fast
bus arbitration, asynchronous bus structure, powerful capabilities for handling
interrupts, and non-multiplexed paths for address and data. All of the
specifications for signal timing, noise, crosstalk, termination, driving, and
loading fully comply with the VXIbus Standard. The VXIbus signal lines
specified for P2
incorporated into the backplane.
Compatibility
The required VMEbus terminations are also included as part of the backplane.
In addition, the VMEbus Specification requires that certain signals (IACK*,
BGINX*, BGOUTX*) be daisy-chained along the backplane. The provisions for
meeting this requirement are accessible through the front of the
Mainframe.
Section
VX1401 Mainframe with its installed plug-in IAC modules operates as an
(MODID, CLK 10, LBUS, SUMBUS, TRIG lines, etc.) are
1
TektronixICDS Series
In addition, CDS 53/63
VX1401
The VX1401 Mainframe supports all of the VXIbus requirements for a C size
mainframe. All VXIbus defined voltages are supplied
and -24 Volt power supplies are mounted in the VX1401). The VX1401 is switch
selectable for either 115 or 230 Volts AC at frequencies ranging from 45
Hz.
440
Cooling is supplied by four internally-mounted fans, one of which is dedicated
to cooling the power supplies. This results in a cooling capacity of an average of
35 Watts per slot for typical VXIbus IAC modules (455 Watts for a fully loaded
system), based on a maximum temperature rise of 10" C in the card cage and an
ambient temperature range of -10" to +55" C. The VX1401 will operate in
environmental conditions from -10" to +55" C, and in relative humidity ranging
from 09'0 to +95%. Its rugged 0.125 inch thick aluminum skin permits operation
in physically demanding applications.
Tektronix/CDS offers a variety of instrument and interface cards compatible
with the VX1401, which are designed to accomplish a wide range of test and
measurement functions. The current copy of the
and Ordering Guide gives detailed specifications and functional descriptions of
available IAC modules.
(+5, -5.2, -2, +12, -12, +24,
Hz
Tektronix/CDS Information
to
-
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Section
1
Installation
To mount a mainframe in a standard 19 inch rack, refer to the diagrams and the
steps below. To remove a mainframe, reverse these steps. The tools required are
a #2 Phillips-head screwdriver, a flat blade screwdriver, and a 3/8 in. wrench.
1.
The VX1401 Mainframe is shipped with the mainframe chassis slides
attached when ordered as part of a configured system. Remove the
cabinet slide sections, the mounting brackets, and the separately-bagged
hardware (nuts, bolts, and washers) from the shipping container. Save the
shipping container for future use. Any hardware remaining after
installation may be used as spares.
2.
Referring to Figure
1,
attach the front and rear mounting brackets to the
cabinet slide section. The rear brackets are longer than the front brackets.
Leave the hardware loose. If more than one mainframe is to be installed,
determine the position of all mainframes before installing the first one.
NOTE:
The mounting holes on the rails of a standard
19
inch rack are in an asymmetric pattern. Use the
correct mounting pattern for the main frame to be
installed.
Be sure that the TOP and TWO BOTTOM slots on the mounting bracket are
aligned with a tapped
#lo-32
hole on the rack rail. The second slot will
partially cover the hole beneath it. If the slots are not properly aligned,
installation of more than one mainframe will not be possible.
3.
Adjust the length of the combined mounting brackets and cabinet slide
section. Position the rear mounting brackets at the back of the cabinet.
Position the front mounting brackets against the rear side of the cabinet
front mounting rails, approximately in line with the front of the cabinet
slide section. Tighten the hardware once the brackets are adjusted.
4.
There should be a distance of 1.985 in. from the bottom of the mainframe
to the centerline of the bottom slot of the mounting bracket. Mount the
cabinet slide section to the cabinet as shown. Be sure that the cabinet slide
sections on both sides are mounted at the same height.
To make any necessary vertical adjustments, loosen the
#lo-32 screws that
secure the rack slide mounting brackets to the rack mounting rails. Move
the mainframe into position and tighten the screws. The vertical
adjustment range is approximately 0.06 inches.
5.
Check all of the hardware to see that it is tight and secure.
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Section
I
WARNING
I
)
Inserting the
requires
card cage chassis slide wheel bearings into the
cabinet slide section, and one to lift the
mainframe. Because of the size and weight of the
frame, in jury may result if one person tries lo
main
install it alone.
6.
Fully extend the sliding section of one of the cabinet slides until it locks
into place. Repeat this procedure with the other cabinet slide.
7.
Lift the VX1401 Mainframe by its handles, and insert both attached
chassis slide sections into the sliding sections of the two cabinet slides.
Make sure that the chassis slide wheel bearings are engaged and are riding
freely.
8.
Completely insert the VX1401 Mainframe into the rack by depressing both
chassis member latches from their locked position, and pushing the
mainframe until its rack ears are flush against the cabinet mounting rails.
Additional mainframes can now be installed, if desired.
To install another mainframe above or below the first one, find the next set of
properly aligned mounting holes in the rack rails, and install the mounting
brackets of the mainframe rack slide assemblies as described above. If
necessary, adjust the height of either or both mainframes for proper vertical
clearance between them.
VX1401
two
people: one to help lift and guide the
Main frame into the cabinet
Repeat as needed to install all remaining mainframes.
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Section
1
,-
CARD
CAGE
Fi~ure
---------------
I:
Cabinet Mounting
'
CABINET
NK)UNT
FRONT
MTG
RAIL
I
NG
BRACKET
OR
REAR
REF
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Section
1
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Functional Overview
Modules installed in the VX1400 are programmed by ASCII characters issued
from the system controller to the modules
and the VXIbus mainframe backplane. Refer to the manual for the VXIbus
device that will be the commander for details on the operation of that device.
Power Budget
The VX1401 has two power supplies located at the rear of the mainframe. At an
ambient temperature over +55"C, the power supplies are rated at 500 W. At
ambient temperatures of less than +55"C, the supplies are rated at 570
VX1401 Mainframe is designed to dissipate an average of
10°C temperature rise within the card cage. The Power Budget Worksheet in
Appendix A should be filled out before applying power to the card cage for the
first time to ensure that individual power supply voltages will not be exceeded.
Grounding
Operating
via
the module's VXIbus commander
35
W
Basics
per slot with
W.
The
a
A terminal block, providing access to chassis ground and power-supply ground,
is located at the rear of the card cage. Terminal
supply ground and Terminal
The system is shipped with a shorting bar between Terminals 1 and
connecting the two grounds together. The shorting bar may be removed to float
the power supplies.
At frequencies over
and agency safety approvals no longer apply. Never operate
the
5V
Standby Power Supply
The terminal block, located at the rear of the VX1401 Mainframe, has a screw
terminal labeled +5V
supply to the VX1401 Mainframe. The total current on the 5V standby input
may not exceed 0.5 amps.
Fuses
VX1401
1,
labeled PSGND, is power
2,
labeled ACGND, is chassis (water-pipe) ground.
63
Hz,
leakage current becomes signi ficanr
without the safety ground properly connected.
SBY
that can be used to connect a 5V standby power
2,
Each power supply has a fuse. For 115 V operation, fuse F1, located toward the
F2,
side of the mainframe, should be a 7A fuse.
mainframe, should be a 5A fuse.
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located toward the center of the
230
Volt Operation
opera tin^
For
230
V
operation, fuse F1 should be a
The unit is shipped with the appropriate fuses for the country it is being
shipped to.
The VX1401 is shipped from the factory with the ac input voltage set for the
appropriate ac voltage of the country it is being shipped to. If the unit's
operating voltage must be changed for any reason, the
rear panel of the unit must be changed. To change the operating voltage, use a
slotted screwdriver to move the switch to the desired position
For continued protection against fire, replace the fuse with the specified values
230V
when changing to
Unplug the unit from the electrical outlet before
moving the switch, or the unit will be damaged.
operations.
Basics
3A
fuse, and
F2
should be a
AC
Select switch on the
(I
15
V
or
2.5A
230
fuse.
V).
Since all of the cooling fans are operated on
the unit are required.
Power Cords
24V
dc, no other modifications to
I
WARNING
The card cage operates from a single-phase power source, using
a detachable three-wire power cord with a two-pole, threeterminal grounding type plug. The voltage to ground (earth) from
either pole of the power source must not exceed
Before you connect the mainframe to the power source, be sure
that the AC Select switch on the rear fan plate is set to match
the power source, and
(two-pole, three-terminal, GROUNDING type).
All accessible conductive parts of
connected through the grounding connector of the power cord to
the grounding contact of the power plug. Therefore, the power
plug must be inserted into a mating receptacle with a grounding
Do
contact.
interruption in the grounding connection can create an electric
shock hazard.
not defeat the grounding connection. Any
that the power cords have suitable plugs
the card cage are directly
1
250
volts.
Card cages are shipped with the required power cords (as ordered by the
customer). Information on the available power cords is shown in the following
table. Contact your Tektronix representative or local Tektronix Field Office for
additional power-cord information.
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Operating Basics
POWER CORD AND
I
PLUG LINE REFERENCE OPTION
CONFIGURATION USAGE VOLTAGE STANDARDS NUMBER
North ANSI C73.1 1
American 120V NENA 5-1 5-P Standard
120/15A
Universal
Euro 240V CEE
24OVl (7),ll.lV.Vll A1
10-1 6A
UK BS 1363
240V 240V IEC 83 A2
13A
Australian
24OVl 240V AS C112 A3
10A
PLUG
INFORMA TION
North
American 240V ANSI C73.20
240V/ NEMA 6-1 5-P A4
15A IEC 83
Switzerland
220Vl 220V SEV A5
6A
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