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Racal Instruments 1260-132 Manual

Developed for the racal instruments 1260-100 adapt-a-switch carrier and the 1256 switch controller.
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Technologiepark Bergisch Gladbach, Friedrich-Ebert-Strasse, D-51429 Bergisch Gladbach, Germany
Unit 5, 25F., Mega Trade Center, No 1, Mei Wan Road, Tsuen Wan, Hong Kong, PRC
Copyright 2002 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.
SWITCHING CARD
1260-132
HIGH VOLTAGE PLUG-IN
PUBLICATION NO. 980824-132
RACAL INSTRUMENTS
Racal Instruments, Inc.
4 Goodyear St., Irvine, CA 92618-2002
Tel: (800) RACAL-ATE, (800) 722-2528, (949) 859-8999; FAX: (949) 859-7139
Racal Instruments, Ltd.
480 Bath Road, Slough, Berkshire, SL1 6BE, United Kingdom
Tel: +44 (0) 1628 604455; FAX: +44 (0) 1628 662017
Racal Systems Electronique S.A.
18 Avenue Dutartre, 78150 LeChesnay, France
Tel: +33 (1) 3923 2222; FAX: +33 (1) 3923 2225
Racal Systems Elettronica s.r.l.
Strada 2-Palazzo C4, 20090 Milanofiori Assago, Milan, Italy
Tel: +39 (0)2 5750 1796; FAX +39 (0)2 5750 1828
Racal Elektronik System GmbH.
Tel.: +49 2204 8442 00; FAX: +49 2204 8442 19
Racal Instruments, Ltd.
Tel: +852 2405 5500, FAX: +852 2416 4335
http://www.racalinstruments.com
PUBLICATION DATE: Aug., 30, 2002
1260 VXI

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  • Page 1 PUBLICATION DATE: Aug., 30, 2002 Copyright 2002 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 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...
  • 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...
  • 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 7: Table Of Contents

    1256 Operation..........................3-1 VXI Operating Modes........................3-1 Operating In VXI Message-Based Mode ..................3-3 Channel Descriptors For The 1260-132..................3-3 Power Up Relay Default State....................3-4 Reply To The MOD:LIST? Command ..................3-5 Operating in VXI Register-Based Mode ..................3-5 1260-132 Example Code......................
  • Page 8 1260-132 User Manual Product Support..........................5-1 Reshipment Instructions ......................... 5-1 Support Offices ..........................5-2 Repair and Calibration Request Form..................5-23...
  • Page 9 1260-132 User Manual List of Figures Figure 2-1, Front-Panel Connector Pin Numbering................2-3 Table 2-1, 1260-132 Front-Panel Connections ................. 2-4 Figure 2-2 Relay Diagram........................2-5 Figure 2-3, Block Diagram ......................... 2-6 Figure 3-1, Message-Based Mode of Operation................3-2 Figure 3-2, Register-Based Mode of Operation................. 3-2 Table 3-1, Control Register Channel Assignments ................
  • Page 10 1260-132 User Manual This page was left intentionally blank.

  • Page 11: Chapter 1

    1260-132 User Manual Chapter 1 The 1260-132 is a plug-in switch module developed for the Racal Introduction Instruments 1260-100 Adapt-a-Switch Carrier and the 1256 Switch Controller. The 1260-132 includes the following features: • Standard plug-in design, providing for ease of replacement.

  • Page 12: Specifications

    1260-132 User Manual SPECIFICATIONS Maximum Switching Voltage Specifications 1000 VAC pk-pk 1000 VDC Switching Current 2.0 AACrms 2.0 A Switching Power 60 VA 60 W ≥ 1.5 KV Minimum Breakdown ≤ .5 Ω Initial Path resistance ≥ 10 Ω Insulation resistance ≤...

  • Page 13: Power Dissipation

    For example, if a 1260-132 module typically has two relays closed, passing a current of 2.0A, then: Total power dissipation =...

  • 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 1260-132 MTBF is >300,000 hours, calculated in accordance About MTBF with MIL-HDBK-217E.

  • Page 15: Ordering Information

    For more details about the above life expectancy factors, refer to the data sheet for the switch plug-in module. The relays used on the 1260-132 plug-in are Racal P/N 310303. The manufacturer’s specifications for this relay are: Life Expectancy...
  • Page 16 1260-132 User Manual This page was left intentionally left blank. Module Specification 1-6...

  • Page 17: Chapter 2

    STRONG ELECTROSTATIC, ELECTROMAGNETIC, MAGNETIC OR RADIOACTIVE FIELDS WARNING The 1260-132 card is a high-voltage switch card. This card if improperly used could expose the user to potentially lethal voltages. Make absolutely sure, that all external high-voltage sources are off and locked- out prior to inserting, removing, or servicing this card in the chassis.

  • Page 18: Reshipment Instructions

    ESD Shielding bag and use plastic spray foam to surround and protect the instrument. 3. Reship in either the original or a new shipping carton. Installation of the 1260-132 Switching Module into a 1260-100 Installation Carrier assembly is described in the Installation section of the 1260-100 Adapt-a-Switch Carrier Manual and the 1256 Switch System Manual.

  • Page 19: Module Configurations

    1260-132 User Manual The 1260-132 is a 1 x 23, two wire,high voltage reed switch Module multiplexer module The 1260-132 uses an isolation relay to Configurations disconnect the 1x23 multiplexer when cascading multiple 1260-132 modules to build larger multiplexers . This additional relay reduces...

  • Page 20: Table 2-1, 1260-132 Front-Panel Connections

    1260-132 User Manual Table 2-1, 1260-132 Front-Panel Connections CHANNEL RELAY J200-E32 J200-E30 J200-A28 J200-C28 J200-A30 J200-C30 J200-A32 J200-C32 J200-E28 J200-E26 J200-E24 J200-E22 J200-A24 J200-C24 J200-A26 J200-C26 J200-E20 J200-E18 J200-A18 J200-C18 J200-A20 J200-C20 J200-A22 J200-C22 J200-E16 J200-E14 J200-A12 J200-C12 J200-A14 J200-C14...

  • Page 21: Figure 2-2 Relay Diagram

    1260-132 User Manual Figure 2-2 Relay Diagram Installation Instructions 2-5...

  • Page 22: Mating Connectors

    After wire attachment, the pin is inserted into the housing and will snap into place, providing positive retention. The suggested hand tool for the crimp pins is Racal Instruments P/N 990898. The corresponding pin removal tool is Racal Instruments P/N 990899.
  • Page 23 1260-132 User Manual This page was left intentionally blank. Installation Instructions 2-7...

  • Page 25: Chapter 3

    Setting the identify each Adapt-a-Switch plug-in by a module address that is Module Address unique to that module. For setting the module address of the 1260-132 refer to one of the following manuals. • 1260-100 Adapt-a-Switch Manual – Publication No. 980824-100 (“Module Address Switch”...

  • Page 26: Figure 3-1, Message-Based Mode Of Operation

    1260-132 module. The 1260-01T command module does not monitor these operations, and does not keep track of the relay states on the 1260-132 module in this mode. A conceptual view of the register-based mode is shown in Figure 3-2 below.

  • Page 27: Operating In Vxi Message-Based Mode

    (@ <module address> ( <channel> ) ) Where: • <module address> is the address of the 1260-132 module. This is a number is in the range from 1 through 12, inclusive. • <channel range> is a list of channels to operate. Each channel is a two-digit number.

  • Page 28: Power Up Relay Default State

    Close channels 0, 10, through 22 CLOSE (@8(0,10:22)) on the 1260-132. Normally, the default state for all relays for the 1260-132 is to be Power Up Relay open on power up. The 1260-01T controller or the 1256 will set this Default State state by default .

  • Page 29: Reply To The Mod:list? Command

    The <module-specific identification string> for the 1260-132 are: 1260-132 HIGH POWER REED FORM A MUX So, for a 1260-132 whose <module address> is set to 8, the reply to this query would be: 8 : 1260-132 HIGH POWER REED FORM A MUX...

  • Page 30: Table 3-1, Control Register Channel Assignments

    1260-132 User Manual A 1260-132 with a module address of 7 would have the base A24 address computed as follows: Base A24 Address of 1260-132 = 204000 + (400 ) = 205C00 The control registers for Adapt-a-Switch plug-ins and conventional 1260-Series modules are always on odd-numbered A24 addresses.
  • Page 31 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 1260-132 module. Module Operation 3-7...

  • Page 32: 1260-132 Example Code

    "VXI::16" /* For a GPIB-VXI interface, and a logical address of 77 */ /* the descriptor would be: "GPIB-VXI::77" */ /* this example shows a 1260-132 with module address 7 */ #define MOD_ADDR_132 7 void example_operate_1260_132(void) ViUInt8 creg_val; ViBusAddress creg0_addr;...
  • Page 33 1260-132 User Manual /* form the offset for control register 0 */ /* note that the base A24 Address for the 1260-01T */ /* is already accounted for by VISA calls viIn8() and */ /* viOut8() */ /* module address shifted 10 places = module address x 1024 */ creg0_addr = (MOD_ADDR_132 <<...
  • Page 34 1260-132 User Manual error = viOut8 (hdl1260, VI_A24_SPACE, creg2_addr, creg_val); if (error < 0) { /* error handling code goes here */ /* close the VISA session */ error = viClose( hdl1260 ); if (error < 0) { /* error handling code goes here */...

  • Page 35: Chapter 4

    1260-132 User Manual Chapter 4 OPTIONAL ASSEMBLIES 407664-001 Mating Connector Kit................4-2 Optional Assemblies 4-1...
  • Page 36 1260-132 User Manual Optional Assemblies 4-2...

  • Page 37: Chapter 5

    For worldwide support and the office closes to your facility, refer to the Support Offices section on the following page. Use the original packing material when returning the 1260-132 to Reshipment Racal Instruments for calibration or servicing. The original shipping...

  • Page 38: Support Offices

    1260-132 User Manual Racal Instruments, Inc. Support Offices 4 Goodyear St., Irvine, CA 92618-2002 Tel: (800) 722-3262, FAX: (949) 859-7309 Racal Instruments, Ltd. 480 Bath Road, Slough, Berkshire, SL1 6BE, United Kingdom Tel: +44 (0) 8706 080134; FAX: +44 (0) 1753 791290 Racal Systems Electronique S.A.

  • Page 39: Repair And Calibration Request Form

    1260-132 User Manual REPAIR AND CALIBRATION REQUEST FORM To allow us to better understand your repair requests, we suggest you use the following outline when calling and include a copy with your instrument to be sent to the Racal Repair Facility.

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