Racal Instruments 1260 VXI Manual
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Racal Instruments 1260 VXI Manual

Switching card 7 channel spdt high frequency plug-in
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17 CHANNEL SPDT HIGH
29-31 Cobham Road, Wimborne, Dorset BH21 7PF, United Kingdom
Technologie Park, Friedrich Ebert Strasse, 51429 Bergisch Gladbach, Germany
Copyright 2000 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.
1260 VXI
SWITCHING CARD
1260-152 / 1260-172
FREQUENCY PLUG-IN
PUBLICATION NO. 980824-152/172
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
(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
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
Tel: +49 (0) 2204 844200; Fax: +49 (0) 2204 844219
info@racalinstruments.com
sales@racalinstruments.com
helpdesk@racalinstruments.com
http://www.racalinstruments.com/
PUBLICATION DATE: July 8, 2003
Europe

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  • Page 1 PUBLICATION DATE: July 8, 2003 Copyright 2000 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.
  • Page 2 WARRANTY STATEMENT All Racal Instruments, Inc. products are designed and manufactured to exacting standards and in full conformance to Racal’s ISO 9001 procedures. This warranty does not apply to defects resulting from any modification(s) of any product or part without Racal’s express written consent, or misuse of any product or part.
  • Page 3 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.
  • Page 4 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.
  • Page 6 This page was left intentionally blank.

  • Page 7: Table Of Contents

    1260-152/172 User Manual 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 Configurations......................2-2 Front Panel Connectors ......................2-2 Mating Connectors........................2-4 Chapter 3 ...........................3-1...
  • Page 8 1260-152/172 User Manual Chapter 5 ...........................5-1 PRODUCT SUPPORT.........................5-1 Product Support ........................5-1 Reshipment Instructions......................5-1 Support Offices ........................5-2...
  • Page 9 1260-152/172 User Manual List of Figures Figure 1-1, 1260-152/172 ......................1-1 Figure 2-1, Front-Panel Connector Pin Numbering ..............2-2 Figure 2-2, Relay Diagram ......................2-3 Figure 2-3, Block Diagram ......................2-4 Figure 3-1, Message-Based Mode of Operation ................. 3-2 Figure 3-2, Register-Based Mode of Operation................3-2 List of Tables Table 2-1, 1260-152/172 Front-Panel Connections..............
  • Page 10 1260-152/172 User Manual This page was left intentionally blank.

  • Page 11: Chapter 1

    Chapter 1 SPECIFICATIONS The 1260-152/172 is an RF plug-in switch module developed for a Introduction variety of Racal Instruments platforms, such as the 1260-100 Adapt-a-Switch Carrier and the 1256 Switching System. The 1260- 152/172 includes the following features: · Standard Adapt-a-SwitchÔ and 1256 Switching System plug-in design, providing for ease of replacement.

  • Page 12: Specifications

    £ -50dB to 900MHz Maximum Switching Voltage 30 VAC peak 30 VDC Switching Current 0.50 AAC peak 0.50 A Switching Power 10VA Path resistance < 1W Insulation resistance > 10 Relay Settling Time < 10ms Module Specification 1-2 Racal Instruments Ó2003...

  • Page 13: Power Dissipation

    For example, if a 1260-152/172 module (containing 17 relays) has all relays closed, passing a current of 0.5A, then: Total power dissipation = [(current) * (path resistance) * 17 ] + (quiescent power) By substituting the actual values: Racal Instruments Ó2003 Module Specification 1-3...

  • Page 14: About Mtbf

    Additionally, if fewer plug-in modules are used, more power may be dissipated by the remaining cards. By using a chassis with high cooling capacity, such as the Racal Instruments 1261B, almost any configuration may be realized. The 1260-152/172 MTBF is >300,000 hours, calculated in...

  • Page 15: Ordering Information

    Cable Assy. 12ft, 50W Single Coax Cable w/connectors 407747-001 Cable Assy. 2ft, 75W Single Coax Cable w/connectors 407747-003 Cable Assy. 6ft, 75W Single Coax Cable w/connectors 407747-006 Cable Assy. 12ft, 75W Additional Manual User Manual 980824-152/172 Racal Instruments Ó2003 Module Specification 1-5...
  • Page 16 1260-152/172 User Manual This page was left intentionally left blank. Module Specification 1-6 Racal Instruments Ó2003...

  • Page 17: Chapter 2

    4. Have a qualified person check the instrument for safety before use. 1. Use the original packing material when returning the switching Reshipment module to Racal Instruments for servicing. The original Instructions shipping carton and the instrument’s plastic foam will provide the necessary support for safe reshipment.

  • Page 18: Module Configurations

    Table 2-1. See Figure 2-2 for a detail of the actual relay. See Figure 2-3 for a block diagram of the 1260-152/172. Figure 2-1, Front-Panel Connector Pin Numbering Installation Instructions 2-2 Racal Instruments Ó2003...

  • Page 19: Figure 2-2, Relay Diagram

    J200-X J200-BB J201-C J201-A J201-E J201-K J201-H J201-M J201-D J201-B J201-F J201-L J201-J J201-N J201-S J201-P J201-U J201-Y J201-W J201-AA J201-T J201-R J201-V J201-Z J201-X J201-BB J201-CC J200-DD J201-DD Channel Figure 2-2, Relay Diagram Racal Instruments Ó2003 Installation Instructions 2-3...

  • Page 20: Mating Connectors

    If mating pins are used, the suggested hand tool for the Crimp Pins is Racal Instruments P/N 991034. After cable attachment, the pin is inserted into the housing and will snap into place, providing positive retention. The corresponding pin removal tool is Racal Instruments P/N 990922.

  • Page 21: Chapter 3

    1260-152/172 User Manual Chapter 3 MODULE OPERATION Both the Racal Instruments Option-01T and 1256 switch Setting the controllers identify each Adapt-a-Switch plug-in by a module Module Address address that is unique to that module. For setting the module address of the 1260-152 and 1260-172 refer to one of the following manuals.

  • Page 22: Figure 3-1, Message-Based Mode Of Operation

    SCAN list, are available only in the message-based mode of operation. The register-based mode provides faster control of relay channels. In this mode, relay operations are processed in less than 9 Module Operation 3-2 Racal Instruments Ó2003...

  • Page 23: Operating In Vxi Message-Based Mode

    Open channel 10. OPEN (@8(10)) Close channel 9 on the 1260- CLOSE (@8(9)) 152/172. Close channels 11 and 13 on the CLOSE (@8(11,13)) 1260-152/172. Open channels 0 through 16 (all OPEN (@8(0:16)) channels) on the 1260-152/172. Racal Instruments Ó2003 Module Operation 3-3...

  • Page 24: Reply To The Mod:list? Command

    1 and 12 inclusive. 3. The 1260-152/172 control register to be written to or read from. Each control register on the 1260-152/172 has a unique address. The base A24 address for the 1260-152/172 module may be Module Operation 3-4 Racal Instruments Ó2003...
  • Page 25 Control Register 0, controls channels 0 through 7. 205C03 Control Register 1, controls channels 8 through 15. 205C05 Control Register 2, controls channel 16. Table 3-1 shows the channel assignments for each control register. Racal Instruments Ó2003 Module Operation 3-5...

  • Page 26: Table 3-1, Control Register Channel Assignments

    15, with channel 8 represented by the LSB). 2. Invert the bits in the value read in step 1. 3. AND with 1101 1111 binary (the zero is in the position corresponding to channel 13). 4. OR with 0010 0000 binary. Module Operation 3-6 Racal Instruments Ó2003...
  • Page 27 8-bit byte to a control register, while viIn8() is used to read a single 8-bit byte from the control register. The following code example shows the use of viOut8() to update the 1260-152/172 module. Racal Instruments Ó2003 Module Operation 3-7...

  • Page 28: 1260-152/172 Example Code

    = viOpen (hdlRM, RI1260_01_DESC, VI_NULL,VI_NULL, &hdl1260); if (error < 0) { /* error handling code goes here */ /* form the offset for control register 0 */ /* note that the base A24 Address for the 1260-01T */ Module Operation 3-8 Racal Instruments Ó2003...
  • Page 29 (error < 0) { /* error handling code goes here */ /* close the VISA session */ error = viClose( hdl1260 ); if (error < 0) { /* error handling code goes here */ Racal Instruments Ó2003 Module Operation 3-9...
  • Page 30 1260-152/172 User Manual This page was left intentionally blank. Module Operation 3-10 Racal Instruments Ó2003...

  • Page 31: Chapter 4

    1260-152/172 User Manual Chapter 4 OPTIONAL ASSEMBLIES Part Number Description 407746-001 Cable Assy, 50W................. 4-3 407747-001 Cable Assy, 75W................. 4-5 Racal Instruments Ó2003 Optional Assemblies 4-1...
  • Page 32 1260-152/172 User Manual This page was left intentionally blank. Optional Assemblies 4-2 Racal Instruments Ó2003...
  • Page 33 1260-152/172 User Manual DWG. NO. REV . 407746-001/999 Racal Instruments Ó2003 Optional Assemblies 4-3...
  • Page 34 1260-152/172 User Manual PSR250 1 SNL RACAL INSTRUMENTS INC. PAGE 1 Product Structure Report 12/08/00 By Assembly/Balloon No. Assembly 407746-001 Low Level Cd U/M EA CABLE ASSY,50 OHM,HV,2FT Rev Date 12/08/00 Revision A Component Description Qty Reqd Ty Engineer Txt 602221-903 CON-CXL-RCP00lC.
  • Page 35 1260-152/172 User Manual Racal Instruments Ó2003 Optional Assemblies 4-5...
  • Page 36 1260-152/172 User Manual PSR350 1 SNL RACAL INSTRUMENTS INC. PAGE 1 Product Structure Report 12/08/00 By Assembly/Balloon No. Assembly 407747-001 Low Level Cd U/M EA CABLE ASSY,75 OBM,BV,2FT Rev Date 12/08/00 Revision A Component Description Qty Reqd Ty Engineer Txt 602221-903 CON-CXL-RCP001C.
  • Page 37 Chapter 5 PRODUCT SUPPORT Product Support Racal Instruments has a complete Service and Parts Department. If you need technical assistance or should it be necessary to return your product for repair or calibration, call 1-800-722-3262. If parts are required to repair the product at your facility, call 1-949-859- 8999 and ask for the Parts Department.
  • Page 38 Via Milazzo 25, 20092 Cinisello B, Milan, Italy Tel: +39 (0)2 6123 901; Fax: +39 (0)2 6129 3606 Technologie Park, Friedrich Ebert Strasse, 51429 Bergisch Gladbach, Germany Tel: +49 (0) 2204 844200; Fax: +49 (0) 2204 844219 Product Support 5-2 Racal Instruments Ó2003...
  • Page 39 3. Please give any additional information you feel would be beneficial in facilitating a faster repair time (i.e., modifications, etc.) 4. Is calibration data required? Yes No (please circle one) Call before shipping Ship instruments to nearest support office. Note: We do not accept “collect” shipments. Racal Instruments Ó2003 Product Support 5-3...

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1260-1521260-172

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