Racal Instruments 1260-X121 Manual de usuario
1260 VXI SWITCHING CARD
20 CHANNEL PLUG-IN
MODEL 1260-X121
PUBLICATION NO. 980914-X121
RACAL INSTRUMENTS
United States
(Corporate Headquarters and Service Center)
4 Goodyear Street, Irvine, CA 92618
Tel: (800) 722-2528, (949) 859-8999; Fax: (949) 859-7139
5730 Northwest Parkway Suite 700, San Antonio, TX 78249
Tel: (210) 699-6799; Fax: (210) 699-8857
Europe
(European Headquarters and Service Center)
18 Avenue Dutartre, 78150 LeChesnay, France
Tel: +33 (0)1 39 23 22 22; Fax: +33 (0)1 39 23 22 25
29-31 Cobham Road, Wimborne, Dorset BH21 7PF, United Kingdom
Tel: +44 (0) 1202 872800; Fax: +44 (0) 1202 870810
Via Milazzo 25, 20092 Cinisello B, Milan, Italy
Tel: +39 (0)2 6123 901; Fax: +39 (0)2 6129 3606
Racal Instruments Group Limited, Technologie Park, D-51429 Bergisch Gladbach, Germany
Tel: +49 2204 844205; Fax: +49 2204 844219
http://www.racalinstruments.com
www.racalinstruments.de
PUBLICATION DATE: October 21, 2005
Copyright 2005 by Racal Instruments, Inc. Printed in the United States of America. All rights reserved.
This book or parts thereof may not be reproduced in any form without written permission of the publisher.
THANK YOU FOR PURCHASING THIS RACAL INSTRUMENTS PRODUCT.
For this product, or any other Racal Instruments product that incorporates software drivers, you may access
our web site to verify and/or download the latest driver versions. The web address for driver downloads is:
http://www.racalinstruments.com/downloads
If you have any questions about software driver downloads or our privacy policy, please contact us at
WARRANTY STATEMENT
All Racal Instruments, Inc. products are designed and manufactured to exacting standards and in full
conformance to Racal’s ISO 9001:2000 processes.
This warranty does not apply to defects resulting from any modification(s) of any product or part without Racal
Instruments express written consent, or misuse of any product or part. The warranty also does not apply to
fuses, software, non-rechargeable batteries, damage from battery leakage, or problems arising from normal
wear, such as mechanical relay life, or failure to follow instructions.
This warranty is in lieu of all other warranties, expressed or implied, including any implied warranty of
merchantability or fitness for a particular use. The remedies provided herein are buyer’s sole and exclusive
remedies.
For the specific terms of your standard warranty, or optional extended warranty or service agreement, contact
your Racal customer service advisor. Please have the following information available to facilitate service.
1. Product serial number
2. Product model number
3. Your company and contact information
You may contact your customer service advisor by:
E-Mail: [email protected]
Telephone: +1 800 722 3262 (USA)
+44(0) 8706 080134 (UK)
Fax: +1 949 859 7309 (USA)
+44(0) 1628 662017 (UK)
RETURN of PRODUCT
Authorization is required from Racal Instruments before you send us your product for service or calibration.
Call your nearest Racal Instruments support facility. A list is located on the last page of this manual. If you are
unsure where to call, contact Racal Instruments, Inc. Customer Support Department in Irvine, California, USA
at 1-800-722-3262 or 1-949-859-8999 or via fax at 1-949-859-7139. We can be reached at:
PROPRIETARY NOTICE
This document and the technical data herein disclosed, are proprietary to Racal Instruments, and shall not,
without express written permission of Racal Instruments, be used, in whole or in part to solicit quotations from
a competitive source or used for manufacture by anyone other than Racal Instruments. The information
herein has been developed at private expense, and may only be used for operation and maintenance
reference purposes or for purposes of engineering evaluation and incorporation into technical specifications
and other documents which specify procurement of products from Racal Instruments.
DISCLAIMER
Buyer acknowledges and agrees that it is responsible for the operation of the goods purchased and should
ensure that they are used properly and in accordance with this handbook and any other instructions provided
by Seller. Racal Instruments products are not specifically designed, manufactured or intended to be used as
parts, assemblies or components in planning, construction, maintenance or operation of a nuclear facility, or
in life support or safety critical applications in which the failure of the Racal Instruments product could create
a situation where personal injury or death could occur. Should Buyer purchase Racal Instruments product for
such unintended application, Buyer shall indemnify and hold Racal Instruments, its officers, employees,
subsidiaries, affiliates and distributors harmless against all claims arising out of a claim for personal injury or
death associated with such unintended use.
FOR YOUR SAFETY
Before undertaking any troubleshooting, maintenance or exploratory procedure, read carefully the
WARNINGS and CAUTION notices.
This equipment contains voltage hazardous to
human life and safety, and is capable of
inflicting personal injury.
If this instrument is to be powered from the AC line (mains) through an
autotransformer, ensure the common connector is connected to the neutral (earth
pole) of the power supply.
Before operating the unit, ensure the conductor (green wire) is connected to the
ground (earth) conductor of the power outlet. Do not use a two-conductor extension
cord or a three-prong/two-prong adapter. This will defeat the protective feature of the
third conductor in the power cord.
Maintenance and calibration procedures sometimes call for operation of the unit with
power applied and protective covers removed. Read the procedures and heed
warnings to avoid “live” circuit points.
Before operating this instrument:
1. Ensure the proper fuse is in place for the power source to operate.
2. Ensure all other devices connected to or in proximity to this instrument are properly grounded or
connected to the protective third-wire earth ground.
If the instrument:
- fails to operate satisfactorily
- shows visible damage
- has been stored under unfavorable conditions
- has sustained stress
Do not operate until, performance is checked by qualified personnel.
1260-X121 User Manual
i
Table of Contents
Chapter 1.............................................................................................................................. 1-1
SPECIFICATIONS.......................................................................................................................... 1-1
Introduction...................................................................................................................................1-1
Specifications...............................................................................................................................1-2
Power Dissipation.........................................................................................................................1-3
About MTBF.................................................................................................................................1-4
Ordering Information ....................................................................................................................1-5
Chapter 2.............................................................................................................................. 2-1
INSTALLATION INSTRUCTIONS................................................................................................... 2-1
Unpacking and Inspection............................................................................................................2-1
Reshipment Instructions...............................................................................................................2-1
Installation....................................................................................................................................2-1
Module Configuration...................................................................................................................2-2
Front Panel Connectors............................................................................................................2-3
Mating Connectors....................................................................................................................2-6
More About Maximum Current Ratings.....................................................................................2-7
Installation....................................................................................................................................2-8
1260-X121 User Manual
ii
Chapter 3...............................................................................................................................3-1
MODULE OPERATION ...................................................................................................................3-1
Operating Modes..........................................................................................................................3-1
Operating In Message-Based Mode.............................................................................................3-1
Channel Descriptors For The 1260-121 ...................................................................................3-1
Reply To The MOD:LIST? Command..........................................................................................3-2
Operating in Register-Based Mode..............................................................................................3-3
Chapter 4...............................................................................................................................4-1
PRODUCT SUPPORT.....................................................................................................................4-1
Product Support ...........................................................................................................................4-1
Reshipment Instructions...............................................................................................................4-1
Support Offices ............................................................................................................................4-2
Repair and Calibration Request Form..........................................................................................4-3
1260-X121 User Manual
iii
List of Figures
Figure 1-1, The 1260-X121..............................................................................................................1-1
Figure 2-1, 1260-X121 Block Diagram.............................................................................................2-2
Figure 2-2, Front Panel Connector Pin Numbering..........................................................................2-3
List of Tables
Table 2-1, 1260-X121 Front-Panel Connections .............................................................................2-4
Table 2-2, Mating Connectors and Pins...........................................................................................2-6
Table 3-1, Register Offset Addresses of the 1260-X121 Module ....................................................3-4
Table 3-2, ID Register Functionality of the 1260-X121 Module.......................................................3-4
Table 3-3, Register0 Functionality of the 1260-X121 Module..........................................................3-5
Table 3-4, Register1 Functionality of the 1260-X121 Module..........................................................3-5
Table 3-5, Register2 Functionality of the 1260-X121 Module..........................................................3-5
Table 3-6, Register3 Functionality of the 1260-X121 Module..........................................................3-6
Table 3-7, EPROM Descriptor Functionality of the 1260-X121 Module...........................................3-6
1260-X121 User Manual
iv
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1260-X121 User Manual
Racal Instruments ©2005 Specifications 1-1
Chapter 1
SPECIFICATIONS
Introduction The 1260-X121 is a plug-in switch module developed for the Racal
Instruments 1260-100X Adapt-a-Switch Carrier. The 1260-X121
includes the following features:
•Standard Adapt-a-Switch plug-in design, providing for ease of
replacement
•Data-Driven embedded descriptor, allowing immediate use with
any Option-01T switch controller, regardless of firmware
revision level.
Figure 1-1, The 1260-X121
1260-X121 User Manual
Specifications 1-2 Racal Instruments ©2005
The 1260-X121 is a 20-channel single-wire switch consisting of 20
individual SPST relay switches and 10 1X2 switches by software
configuration. The 1260-X121 plug-in fits into a 1260-100X Adapt-
a-Switch Carrier.
Specifications Bandwidth (-3dB) >300KHz
Insertion Loss
300 KHz < 2dB
Isolation
DC to 100 KHz > 60dB
100 to 300 KHz > 50dB
Crosstalk
DC to 100 KHz < -60dB
100 to 300 KHz < -50dB
Switching Voltage
AC 440V, Max
DC 230V, Max
Switching Current
AC 10A, Max.
DC 10A, Max
Switching Power
AC 2500VA, Max
DC 300W, Max
Path resistance < 100mΩ
Capacitance
Channel-Chassis < 20pF
Open-Channel < 20pF
Insulation resistance > 109Ω
Impulse Withstand Voltage >1,000V
Relay Settling Time < 15ms
Maximum Power Dissipation
60W
Cooling (25% Relays energized operating at full rated current)
4.27 Liters/sec @ 0.39 mmH2O
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