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Manual - Astronics Test Systems

1. SHIELD Figure 1 2 1260 100 Adapt a Switch Carrier Each plug in has its own unique configuration of relays or digital testing capabilities such as Overview 1 2 Switch for connecting individual pairs of inputs together Multiplexer mux for connecting one input to any one of several outputs Matrix A matrix has two groups of channels a row and a column The matrix can connect any row channel to any column channel The matrix may make multiple independent connections at the same time RF switch for switching radio frequency signals via impedance matched signal paths Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Features Compatibility with 1260 Series Ease of Use Maintainability Astronics Test Systems e Digital I O for a wide range of digital test applications The 1260 100 101 Adapt a Switch Carrier uses the same Option 01T controller as conventional 1260 Series switch modules A single Option 01T Switch Controller Module may control up to twelve switch modules or plug ins This may include a combination of 1260 Series and Adapt a Switch plug ins A single Option 01T will not control more than one 1260 101 See Chapter 2 Getting Started for instructions on combining 1260 Series modules and Adapt a Switch plug ins in the same VXlbus chassis The 1260 100 101 includes several ease of use features the 1260 100 model is shown in Figure 1 3 e Plug in
2. STRONICS TEST SYSTEMS RACAL INSTRUMENTS 1260 100 101 ADAPT a SWITCH CARRIER MODULE Publication No 980824 100 Rev B Astronics Test Systems Inc 4 Goodyear Irvine CA 92618 Tel 800 722 2528 949 859 8999 Fax 949 859 7139 atsinfo astronics com atssales astronics com atshelpdeskOastronics com _http www astronicstestsystems com Copyright 1998 by Astronics Test Systems 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 ASTRONICS TEST SYSTEMS PRODUCT For this product or any other Astronics Test Systems 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 astronicstestsystems com support downloads If you have any questions about software driver downloads or our privacy policy please contact us at atsinfo astronics com WARRANTY STATEMENT All Astronics Test Systems products are designed to exacting standards and manufactured in full compliance to our AS9100 Quality Management System processes This warranty does not apply to defects resulting from any modification s of any product or part without Astronics Test Systems express written consent or misuse of any product or part The warranty also does not apply to fuses software no
3. and Bus Grant Jumper Assembly P N 405951 003 from the Mezzanine board taking care not to bend the connector pins Store these in a safe place in case the Option 01T needs to be relocated later Position the Option 01T over the Mezzanine board so that connectors P3 and P4 on the Option 01T align with Mezzanine connectors J1 and J2 respectively Press the Option 01T and Mezzanine board together so that the connectors mate fully Secure the Option 01T to the mezzanine board using the three screws included Re install the Mezzanine board into the carrier Connect the Fail LED cable to the three pin plug on the Option 01T module Polarity does not matter it may be connected in either direction Re install the access panel and secure with screws Getting Started 2 5 Connector for Fail LED Cable 1260 100 101 User Manual Setting Configuration Switches Publication No 980824 100 Rev B 7 The user may want to mark the 1260 101 to indicate that the 01T is installed 1260 100 has its configuration switches located on the right side panel see Figure 2 2 1260 101 has no module address DIP switch and the local bus daisy chain DIP switches are on the left side panel 12 LOCAL BUS LINES LOGICAL ADDRESS SELECT ADDR RANGE N m 2 S e Cd st o oO Cl e ei oO Module Address Switch 2 1260 100 ONLY Local Bus Daisy Chain DIP Switches Close All 12 Switches Only if Another Carrier or 12
4. 1 Ensure that an Option 01T is installed in the carrier as Procedure outlined in the Option 01T section of Chapter 2 Getting Started 2 Set the logical address switch to 3 3 Set the module address switch to the 1 6 position Astronics Test Systems Maintenance 4 1 1260 100 101 User Manual Maintenance 4 2 10 11 12 13 14 15 19 20 Publication No 980824 100 Rev B Install the carrier into an empty pair of slots in a VXlbus chassis Remove all other modules from the chassis except the slot 0 controller Insert one or more plug ins into the 1260 100 101 Carrier Turn the chassis power on Verify that the Fail LED on the carrier illuminates then extinguishes within five seconds Run the National Instruments Resource Manager program RESMAN From the RESMAN output log file verify the following The Option 01T is recognized as DEVICE_3 The self test for DEVICE_3 passed 16K bytes of memory are allocated for DEVICE_3 Start the VXI Interactive Control VIC program by National Instruments Send a IDN command to DEVICE_3 Option 01T Read the response from the Option 01T Verify that the response is of the form Racal Instruments 1260A Option 01T lt serial num gt lt revision gt Where lt serial num gt is the serial number and lt revision gt is the revision level of the firmware Click on the Bus Access feature of VIC Select the WRITE mode Calculate the
5. Bus daisy chain switches must all be open If this does not correct the problem then proceed to step 11 11 Try to isolate the problem to a single 1260 100 101 Carrier or 1260 Series module by removing others from the chassis Remember always to install the Option 01T in the module that is left most in the group Astronics Test Systems
6. Operation B 7 1260 100 101 User Manual Interrupt Communications Publication No 980824 100 Rev B the inactive state opening all relays It also clears all outputs on digital test plug ins to a known state LBUSC10S also serves another function when a plug in asserts a global reset during an emergency reset event When such an event occurs the plug in drives LBUSC10S low It leaves it low until the event has passed and the Option 01T firmware clears the reset latch in the plug in LBUSC10S also connects to all other devices controlled by the same Option 01T When any device in this group asserts a global reset all devices in the group respond by resetting their drivers The signal LBUSC11S is an open collector line to the Option 01T It has two purposes When a plug in asserts an emergency reset condition it drives the LBUSC11S signal low Also the 1260 114 drives the LBUSC11S signal low to announce a synchronous event When LBUSC11S goes low the Option 01T polls the plug ins to determine which one generated the interrupt It then responds accordingly U1 is a programmable logic device PLD that handles the communications between the plug ins and the Option 01T It implements the same state machine used in 1260 Series switch modules Communications proceed as follows When the Option 01T is about to write data to a plug in it takes HLBUS _A D to a logic 1 indicating that the data to be serially shifted out will be an
7. Signal e Tree WEE B 3 Reset CirC it sree ereraa eea a aie iii B 3 AUS gat E B 4 COMMUNICAONS cocina is B 4 Power Distribuir ua er B 5 PLD Programming Connector siria caida B 5 General aorta da rt cd is ese B 5 Power Eller tit Ad B 5 ele e B 6 Power BIEN B 6 Sie lae e EE AEE S EE Ee E E E EE B 6 Mezzanine PCB Assembly cion ca B 7 L cal Bus Signal OLI ura aaa B 7 A eege B 7 o eec nwa E AETA sen see TOE AE aan ener sees B 8 Communications c B 8 PED Programming ConnectO EE B 9 iv Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual A A rete eee S i US RTE EE E Ad C 1 Troubleshooting table ion den C 1 Communications Troubleshootmg nn nono nnnnnnnncnnnnnnnnnnccnnnnn C 2 Astronics Test Systems Figure 1 1 The 1260 100 Figure 1 2 1260 100 Adapt a Switch Carrier Figure 1 3 Ease of Use Features Figure 2 1 Installing the Option 01T in the 1260 100 Figure 2 2 Configuration Switches vi 1260 100 101 User Manual List of Figures Publication No 980824 100 Rev B Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual DOCUMENT CHANGE HISTORY Revision Date Description of Change Revised per EO 29607 Revised format to current standards Company A 2 26 09 name revised throughout manual Manual now revision letter controlled Added Doc Change History Page vii Back of cover sheet Revised Warranty Statement Return of Product Proprietary
8. The 1260 100 101 Adapt a Switch Carrier offers an analog bus to interconnect two or more plug ins This allows the creation of large multiplexers and matrices The analog bus may be dynamically configured under software control For instructions in using the analog bus refer to the instruction manuals for the individual multiplexer and matrix plug ins Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Chapter 2 GETTING STARTED Unpacking and Inspection Astronics Test Systems 1 Remove the 1260 100 101 module and inspect it for damage If any damage is apparent inform the carrier immediately Retain shipping carton and packing material for the carrier s inspection Verify that the pieces in the package you received contain the correct 1260 100 101 module option and the 1260 100 101 Users Manual Notify Customer Support if the module appears damaged in any way Do not attempt to install a damaged module into a VXI chassis The 1260 100 101 module is shipped in an anti static bag to prevent electrostatic damage to the module Do not remove the module from the anti static bag unless it is in a static controlled area Getting Started 2 1 1260 100 101 User Manual Option 01T Getting Started 2 2 Publication No 980824 100 Rev B The 1260 100 101 may be ordered with or without the Option 01T If the Option 01T is included it controls all plug ins inside the 1260 100 101 H may a
9. address offset of one of the Adapt a Switch plug ins To do this begin with the address reported by RESMAN as being the starting address for DEVICE_3 Add 1 Then add 40046 times the module address of the plug in Enter this address into the ADDRESS field in VIC Select the A24 address mode In the data field enter 55 6 Click on GO If the plug in is a relay type not a digital type you should hear the relays close Select the READ mode set the number of bytes to at Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual least 1 and click on GO Verify that the Option 01T responds with AA g which is the one s compliment of the data written 21 In the data field enter AA Click on GO If the plug in is a relay type not a digital type you should hear the relays open 22 Select the READ mode set the number of bytes to at least 1 and click on GO Verify that the Option 01T responds with 5546 which is the one s compliment of the data written 23 Repeat steps 12 through 17 for each of the remaining plug ins 24 Turn the chassis power switch off 25 H fewer plug ins are available than the number of slots repeat steps 5 through 18 with the plug ins in different slots until all carrier slots have been tested 26 For the 1260 100 set the module address switch on the carrier to the 7 12 position Repeat steps 5 through 20 When calculating the address offset in step 12 r
10. plug in configuration Temperature Relative Humidity Altitude Vibration Shock Bench Handling Emissions Susceptibility Safety Mean Time Between Failures MTBF Mean Time To Repair MTTR Publication No 980824 100 Rev B 5V 1 0A 12V OA 24V OA 5V 2 5A 12V 1 0A 24V 1 0A Airflow 3 0 liters sec Backpressure 0 7 mm H20 0 C to 55 C 40 C to 70 C 95 RH non condensing Operating 10 000 ft Non operating 15 000 ft 0 013 in P P 5 Hz to 55 Hz meets MIL T 28800C Type Ill Class 5 Style F 30g 11 ms 1 2 sine wave 4 inch drop at 45 Operating Non operating EN61326 1997 A1 1998 Class A EN61010 1 1993 A2 1995 315 749 hours MIL HBK 217 ground benign 30 C Replace plug in 5 min Replace other lt 30 min Measured from start of VXlbus cycle until relay coil is fully energized 1260 Specifications A 2 Astronics Test Systems Publication No 980824 100 Rev B 1260 101 General 1260 Series Compatibility Specifications Annunciators Host Interface Control Type Switching Response Time Register based Message based VXI Plug amp Play S Size Mechanical Module Capacity Weight empty carrier Front Panel Connectors Indicators RF Shielding Electrical Analog Bus Astronics Test Systems 1260 100 101 User Manual Option 01T simultaneously controls combination of Adapt a Switch plug ins and 1260 Series switch modules FAI
11. then connect it and go back to step 1 If the Fail LED is properly connected and the Fail LED still does not illuminate then contact Customer Support Incorrect response or no response from Option 01T 8 Verify that the logical address to which you communicate matches the logical address DIP switch setting on the Option 01T If this fails to correct the problem then contact Customer Support Incomplete module list 10 Review the Option 01T section in Chapter 2 Getting Started Verify that e The Option 01T is installed in the appropriate 1260 100 101 Carrier or 1260 Series module e The logical address of the Option 01T is either set to 255 Troubleshooting C 3 1260 100 101 User Manual Troubleshooting C 4 Publication No 980924 100 Rev B or to an address that is unique from that of any other module installed in the same chassis All carriers or 1260 Series modules that do not have an Option 01T do have the Local Bus Jumper Assembly P N 405951 and Bus Grant Jumper Assembly P N 405951 003 installed See VXI Local Bus Connections in Chapter 2 Getting Started in the Option 01T Instruction Manual All twelve Local Bus daisy chain switches are closed on all carriers and 1260 Series modules except the last one on the right The last module on the right must have all twelve Local Bus daisy chain switches open Also if only one switch module 1260 100 101 Carrier or 1260 Series module is used then the Local
12. will be data It then shifts the serial data that will be written to the address just sent There are eight data bits with the most significant bit sent first After the last data bit has been sent the signal HLBUS_ STROBE transitions to a logic high for one clock period of HLBUS_CLK HLBUS_ STROBE is sent to the six plug ins The plug in containing the addressed device uses HLBUS_STROBE to latch the data into the device To read data from a plug in the Option 01T begins by taking 1260 101 Theory of Operation B 4 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Power Distribution PLD Programming Connector General Power Filtering Astronics Test Systems HLBUS_A D to a logic 1 indicating that the data to be serially shifted out will be an address lt also drives the HLBUS_R W signal high to indicate that data will be read It then outputs an 8MHz clock on HLBUS CLK and shifts the address out on HLBUS_DATAIN as it does when writing The 13 address bits are clocked into U5 and U6 as when writing After sending the address the Option 01T drives the HLBUS_A D low indicating that it is ready for data The plug in containing the addressed device begins shifting serial data onto HLBUS_DATAOUT There are eight data bits with the most significant bit sent first The signal HLBUS_STROBE is used only when writing not when reading During reading it remains at logic 0 The Bridge PCB co
13. 0 Rev B 1260 100 101 User Manual Module Address Switch Astronics Test Systems slot 0 controller must have a unique module address The plug ins in the 1260 100 101 Carrier and the 1260 Series switch modules are controlled by the Option 01T controller Therefore they do not need or provide logical addresses Instead the slot O controller communicates directly with the Option 01T only Therefore a single logical address covers all switch products that the Option 01T controls You may set the Option 01T logical address switches in either of two ways 1 Set the switch to 255 This is the auto configure setting and indicates to the slot O controller that it must assign an address automatically When the Resource Manager program is run the slot 0 controller will then assign a unique address to the Option 01T 2 Set the address manually Valid settings include any number from 119 to 25419 Make sure that the address does not match that of any other module installed in the same VXlbus chassis Although plug ins and 1260 Series modules do not require logical addresses the Option 01T has one instead they each have a module address The Option 01T uses module addresses to distinguish between plug ins and between 1260 Series modules Each plug in or module must have a unique module address from one through twelve inclusive The 1260 100 and 1260 101 assign module addresses as follows 1260 100 Module Address The module addre
14. 5 Position the Option 01T over the Mezzanine board so that connectors P3 and P4 on the Option 01T align with Mezzanine connectors J1 and J2 respectively Press the Option 01T and Mezzanine board together so that the connectors mate fully Secure the Option 01T to the mezzanine board using the three screws included 6 Re install the Mezzanine board into the carrier taking care to align its connectors with those on the carrier backplane Connect the Fail LED cable to the three pin plug on the Option 01T module Polarity does not matter it may be connected in either direction 7 Re install the Bridge module 8 Re install the access panel and secure with screws 9 The user may want to mark the 1260 100 to indicate that the 01T is installed Getting Started 2 4 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 Carrier Option 01T Mezzanine Board 1260 100 101 User Manual Access Panel Figure 2 1 Installing the Option 01T in the 1260 100 For the 1260 101 single slot carrier see text below Astronics Test Systems For the 1260 101 follow the instructions below 1 Remove the eight screws from the access panel Remove the access panel Remove the three screws on the Mezzanine board Disconnect the Fail LED cable from the connector on the Mezzanine board Next remove the Mezzanine board by pulling it straight out of the carrier Carefully remove the Local Bus Jumper Assembly P N 405951
15. 60 Series Module is in the VXI Chassis Slot Set Module Address Range for Logical Address DIP Switch ee Set Logical Address to Unique Number from 1 to 256 inclusive Set to 255 for Immediately to the Riaht Local Bus Daisy Chain Switches Logical Address Switch only if Option 01T installed Getting Started 2 6 Auto Configuration Figure 2 2 Configuration Switches Set these switches as follows If you are using a 1260 100 101 Carrier by itself with no switch modules or carriers to its right set all twelve local bus daisy chain switches to the OPEN position On the other hand if you install a 1260 Series switch module or another 1260 100 Carrier to the immediate right set all twelve local bus daisy chain switches to the CLOSE position This allows the Option 01T in the 1260 100 Carrier to control not only the plug ins in that carrier but the switch modules installed to the right as well If an Option 01T is installed in the 1260 100 101 Carrier an eight segment DIP switch is visible through the opening labeled Logical Address as shown in Figure 1 4 This DIP switch sets the binary address by which the Option 01T will access the plug ins in the carrier Each segment represents a numeric value as labeled so that the combination of eight segments forms a binary number from O to 25540 Every module in a VXlbus chassis that is directly controlled by the Astronics Test Systems Publication No 980824 10
16. L Self test failure indicator LED VXlbus backplane Message based Register based VXlbus A24 address space 9 us max 10 ms typ Compatible drivers for all 1260 Series switching modules VXlbus C size single slot module Two Adapt a Switch plug ins Weight 2 42 lbs Provided by each plug in switch card Fail indicator red LED Fixed steel shields between plug in slots Four two wire channels 100 ohm impedance 2A current capacity 1260 Specifications A 3 1260 100 101 User Manual Power and Cooling Environmental EMC and Safety Reliability Power Consumption without plug ins Power Available per plug in Cooling worst case plug in configuration Temperature Relative Humidity Altitude Vibration Shock Bench Handling Emissions Susceptibility Safety Mean Time Between Failures MTBF Mean Time To Repair MTTR Publication No 980824 100 Rev B 5V 1 0A 12V OA 24V OA 5V 4 5A 12V 0 75A 24V 0 75A Airflow 1 5 liters sec Backpressure 0 7mm H20 0 C to 55 C 40 C to 70 C 95 RH non condensing Operating 10 000 ft Non operating 15 000 ft 0 013 in P P 5 Hz to 55 Hz meets MIL T 28800C Type Ill Class 5 Style F 30g 11 ms 1 2 sine wave 4 inch drop at 45 Operating Non operating EN61326 1997 A1 1998 Class A EN61010 1 1993 A2 1995 gt 315 749 hours MIL HBK 217 ground benign 30 C Replace plug in 5 min Replace oth
17. Notice No change 3 18 09 and Disclaimer to current standards Added company name to footer at lower corner opposite of Page no s i thru viii Revised per EO 29851 B 9 3 09 Updated information in Appendix A to indicate 1260 100 and 1260 101 specifications Astronics Test Systems vii 1260 100 101 User Manual Publication No 980824 100 Rev B This page was left intentionally blank viii Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Chapter 1 ltems Shipped The following items are shipped with each 1260 100 101 Adapt a i Switch Carrier with 1260 100 101 ITEM PART NUMBER QUANTITY Lockout key type A 456663 001 2 Lockout key type C 456663 002 2 Blanking plate 407667 1 3 Instruction manual 980824 100 1 The following accessories may be ordered separately e Option 01T Switch Controller Part Number 407531 001 Figure 1 1 The 1260 100 Astronics Test Systems Overview 1 1 1260 100 101 User Manual Publication No 980824 100 Rev B Functional The 1260 100 Adapt a Switch Carrier is a two slot VXlbus module SC Za that may contain up to six Adapt a Switch plug ins You may leave Description some slots unoccupied for future expansion The 1260 101 Adapt a Switch Carrier is a single slot VXlbus module that contains two Adapt a Switch plug ins Figure 1 2 shows the 1260 100 with plug ins PLUG INS CARRIER
18. O9S are differential U2 converts LBUSCOOS through LBUSCO7S to TTL levels LBUSCO8S and LBUSCO9S are a bidirectional differential pair U3 and U4 receive and drive these signals respectively U7 is a voltage monitor used to reset the Bridge and plug ins at power turn on At power turn on it drives LLOGICRST low for approximately 130ms It then takes LLOGICRST high and leaves it high unless 5V power drops below 4 5V The signal LBUSC10S is an open collector line from the Option 01T During power turn on the Option 01T drives LBUSC10S low for about 100ms then allows it to be pulled high While LBUSC10S is low it resets all relay drivers on all plug ins to the inactive state opening all relays It also clears all outputs on digital test plug ins to a known state LBUSC10S also serves another function when a plug in asserts a global reset during an emergency reset event When such an event occurs the plug in drives LBUSC10S low It leaves it low until the event has passed and the Option 01T firmware clears the reset latch in the plug in 1260 101 Theory of Operation B 3 1260 100 101 User Manual Interrupt Communications Publication No 980824 100 Rev B LBUSC10S also connects to all other devices controlled by the same Option 01T When any device in this group asserts a global reset all devices in the group respond by resetting their drivers The signal LBUSC11S is an open collector line to the Option 01T It has two purp
19. This function instantly opens all relays in response to an external event This is a hardware operation that does not require intervention on the part of the Option 01T or application software When using the emergency reset feature exercise due caution if any undesirable effects may result from opening all channels Using the 1260 100 101 3 1 1260 100 101 User Manual Interface Normal State of External Switch Scope of Reset Event Sequence of Events Using the 1260 100 101 3 2 Publication No 980824 100 Rev B Select Adapt a Switch plug ins and 1260 Series modules have a pair of front panel mounted connector pins You may connect these to an external device such as a mechanical switch When the switch is opened all relays on the plug in or module are immediately opened An example of a plug in that provides the emergency switch interface is the 1260 120 Power Switch All other plug ins and 1260 Series modules that provide the switch interface operate in the same manner as the 1260 120 If desired a jumper setting on the plug ins allows it to accommodate a normally closed external switch Normally open is the default Refer to the individual plug in manual The 1260 120 design allows the scope of an emergency reset to be configured In the default configuration the 1260 120 opens only its own relays in response to an external reset event H desired a jumper setting on the 1260 120 may be changed so that the effe
20. a total of three The 1260 100 carrier is considered as six items regardless of the number of plug ins installed The 1260 101 carrier is considered as two items Adding these together the total number of controlled items is eleven This means that there is still room to add one 1260 Series switch modules to the group with the entire group controlled by one Option 01T The Option 01T must be installed in the 1260 54 module in slot 3 In the case where an Option 01T controls plug ins residing in two adjacent carriers the Option 01T must be installed in the carrier on the left Getting Started 2 3 1260 100 101 User Manual Publication No 980824 100 Rev B For groups that are larger than twelve additional Option 01T modules are used Figure 2 1 illustrates the installation of an Option 01T into a 1260 100 Carrier Follow these steps 1 Remove the six screws that secure the access panel Remove the access panel by sliding it away from the front panel 2 Remove the Bridge module by pulling it straight out of the carrier 3 Disconnect the Fail LED cable from the connector on the Mezzanine module Next remove the Mezzanine board by pulling it straight out of the carrier 4 Carefully remove the Local Bus Jumper Assembly P N 405951 and Bus Grant Jumper Assembly P N 405951 003 from the Mezzanine board taking care not to bend the connector pins Store these in a safe place in case the Option 01T needs to be relocated later
21. address It also drives the HLBUS R W signal low to indicate that data will be written It then outputs an 8MHz clock on HLBUS CLK and places serial data on HLBUS_DATAIN synchronous with HLBUS_CLK The first 13 bits of data represent the address to be written to with the most significant bit first This address is relative to the A24 address offset assigned to the Option 01T by RESMAN For example address 0 references the first address in the space allocated to the Option 01T 1260 101 Theory of Operation B 8 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual PLD Programming Connector Astronics Test Systems The 13 address bits are clocked into a shift register comprised of U5 and U6 The parallel outputs of this shift register are connected directly to the two plug ins After sending the address The Option 01T drives HLBUS A D low indicating that the next data sent will be data It then shifts the serial data that will be written to the address just sent There are eight data bits with the most significant bit sent first After the last data bit has been sent the signal HLBUS_ STROBE transitions to a logic high for one clock period of HLBUS_CLK HLBUS STROBE is sent to the two plug ins The plug in containing the addressed device uses HLBUS_STROBE to latch the data into the device To read data from a plug in the Option 01T begins by taking HLBUS _A D to a logic 1 indicating that the data t
22. art to solicit quotations from a competitive source or used for manufacture by anyone other than Astronics Test Systems 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 Astronics Test Systems TRADEMARKS AND SERVICE MARKS All trademarks and service marks used in this document are the property of their respective owners e Racal Instruments Talon Instruments Trig Tek ActivATE Adapt A Switch N GEN and PAWS are trademarks of Astronics Test Systems in the United States 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 document and any other instructions provided by Seller Astronics Test Systems 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 Astronics Test Systems product could create a situation where personal injury or death could occur Should Buyer purchase Astronics Test Systems product for such unintended application Buyer shall indemnify and hold Astronics Test Syst
23. ator does not come on when chassis power is turned on Option 01T not installed correctly Fail LED cable not connected properly to Option 01T Remember Fail LED is operational only on module containing Option 01T Review Installing the Option 01T in Chapter 2 Getting Started Verify that cable is correctly connected See Installing the Option 01T in Chapter 2 Getting Started FAIL indicator stays on after self test is completed Option 01T defective Contact Customer Support No response from plug in via VXIbus Option 01T not installed or installed in incorrect module Module addresses conflicting Plug in not fully seated Communication problem with Option 01T 1260 100 101 Carrier or plug in Option 01T must be installed in left most carrier or 1260 Series module in group See Option 01T in Chapter 2 Getting Started Ensure that each plug in and 1260 Series module has its own unique module address See Module Address Switch in Chapter 2 Getting Started Ensure that plug in is firmly engaged See special troubleshooting procedure below entitled Communications Troubleshooting Astronics Test Systems Troubleshooting C 1 1260 100 101 User Manual Publication No 980924 100 Rev B PROBLEM POSSIBLE CAUSES WHAT TO DO Plug in does not appear in VXlplug amp play soft panel list Switch modules to the right of the Soft panel driver not instal
24. control all Adapt a Switch plug ins in a 1260 101 and 1260 100 Carriers When it controls two carriers the carriers must be in adjacent slots in the VXlbus chassis with the Option 01T equipped carrier in the left most slot of the group A single option_01T will not control more than one 1260 101 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Example 2 A single Option 01T may control a group of 1260 Series switch modules The modules must be installed in a contiguous group of slots in the VXlbus chassis Example 3 Astronics Test Systems A single Option 01T may control a mixed group of 1260 Series switch modules and Adapt a Switch plug ins The maximum number of items in each group is twelve Each 1260 100 carrier counts as six plug ins and each 1260 101 carrier counts as two plug ins regardless of the quantity of plug ins actually installed For instance a single Option 01T may control the following group e Slot3 1260 54 RF Switch conventional one slot VXI module equipped with Option 01T Slots 4 and 5 1260 100 Adapt a Switch carrier containing three 1260 138 plug ins and two 1260 150 RF switch plug ins e Slot6 1260 22 Power Switch conventional one slot VXI module e Slot 7 1260 22 Power Switch e Slot 8 1260 101 Adapt a Switch carrier containing one 1260 145 The above group counts as eleven items the 1260 54 and 1260 22 modules count as one item each for
25. ct of an emergency reset is global With the global reset configuration a reset signal propagates through the VXI Local Bus to open all relays on all switch products that are connected to the same Option 01T All 1260 Series and Adapt a Switch plug ins respond to an emergency reset condition when the scope is set to global Certain plug ins and 1260 Series modules provide the front panel contacts for the external switch and the circuitry to recognize a reset event A switch system may make full use of the emergency reset feature if it includes at least one plug in or 1260 Series module that has reset recognition capability When a reset event occurs the following sequence takes place 1 The plug in that is connected to the external switch recognizes the reset event and sets a logic latch 2 All relays are opened on the switch product that recognized the reset event If the scope of the reset function is set to global then all relays on all switch products connected to the same Option 01T are also opened This happens independently of software Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual 3 An interrupt is generated to notify the Option 01T that a reset event has occurred This informs the Option 01T that the relays have opened so that it remains up to date on the relay status 4 The relays remain open and do not respond to any commands from the Option 01T 5 After the reset condition i
26. e 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 EC Declaration of Conformity Astronics Test Systems 4 Goodyear Irvine CA 92618 declare under sole responsibility that the 1260 100 Switch System Carrier P N 407655 conform to the following Product Specifications Safety EN 61010 1 EMC EN50081 1 CISPR 11 1990 EN 55011 1991 Group 1 Class A IEC 801 2 1991 EN 50082 1 1992 4 kV CD 8 kV AD IEC 801 3 1984 EN 50082 1 1992 3 V m 27 500 MHz IEC 801 4 1988 EN 50082 1 1992 1 kV Supplementary Information The above specifications are met when the product is installed inan Astronics Test Systems certified mainframe with faceplates installed over all unused slots as applicable The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC Irvine CA November 12 1998 ality Manager This page was left intentionally blank EC Declaration of Conformity Astronics Test Systems 4 Goodyear Irvine CA 92618 declare under sole responsibility that the 1260 101 Single Slot Adapt a Switch P N 407956 conforms to the following Product Specifications Safety EN61010 1 1993 A2 1995 EMC EN61326 1997 A1 1998 Supplementary Information The above specifications are met when the product is insta
27. emember that the module addresses now range from 7 through 12 Astronics Test Systems Maintenance 4 3 1260 100 101 User Manual Publication No 980824 100 Rev B This page was left intentionally blank Maintenance 4 4 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Appendix A 1260 SPECIFICATIONS a 1260 Series Compatibility Option 01T simultaneously controls 1260 100 General combination of Adapt a Switch Specifications plug ins and 1260 Series switch modules Annunciators FAIL Self test failure indicator LED Host Interface VXlbus backplane Control Type Message based Register based VXlbus A24 address space Switching Response Time Register based 9 us max Message based 10 ms typ VXI Plug amp Play Compatible drivers for all 1260 Series switching modules a Size VXlbus C size two slot module Mechanical E Module Capacity Six Adapt a Switch plug ins Weight empty carrier Weight 4 4 lbs 2 0 kg Front Panel Connectors Provided by each plug in switch card 7 Indicators Fail indicator red LED Electrical SS RF Shielding Fixed steel shields between plug in slots Analog Bus Four two wire channels 100 ohm impedance 2A current capacity Astronics Test Systems 1260 Specifications A 1 1260 100 101 User Manual Power and Cooling Environmental EMC and Safety Reliability Power Consumption without plug ins Power Available per plug in Cooling worst case
28. ems its officers employees subsidiaries affiliates and distributors harmless against all claims arising out of aclaim 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 A CAUTION This equipment contains voltage hazardous to RISK OF ELECTRICAL SHOCK human life and safety and is capable of inflicting DO NOT OPEN 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 1 Maintenance and calibration procedures sometimes call for operation of the unit with CAUTION power applied and protective covers removed Read the procedures and heed warnings eege 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 th
29. er lt 30 min Measured from start of VXlbus cycle until relay coil is fully energized 1260 Specifications A 4 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Appendix B 1260 101 THEORY OF OPERATION Mezzanine PCB Assembly General Power Filtering The Mezzanine is built from the same bare PCB as the Bridge The difference is in the components installed One schematic P N 435138 001 covers both the Mezzanine and Bridge The Mezzanine PCB serves two functions lt connects 5V 12V and 24V power from the VXlbus backplane to the 1260 100 backplane Option 01T if it is installed type The fuses used are as follows It also connects the VXlbus backplane signals to the The power is filtered before reaching either the backplane or Option 01T The fuses F1 through F3 are of the surface mount FUSE MANUFACTURER Ee AMES PART NUMBER F1 Wickmann USA Inc 418 2100000 10 921545 F2 Wickmann USA Inc 417 1315000 3 15 921546 F3 Wickmann USA Inc 417 1315000 3 15 921546 Astronics Test Systems 1260 101 Theory of Operation B 1 1260 100 101 User Manual Publication No 980824 100 Rev B Signal Connectors P1 and P2 connect to the VXlbus backplane Connectors J1 and J2 connect to the Option 01T Connections The Option 01T accesses the VXI Local Bus via J2C third row of connector J2 These signals go through the zero ohm resistors R7 throu
30. es the circuitry to interface between the plug ins and the Option 01T It receives the local bus signals from the Option 01T on connector P2A From J2A the signals go to the interface circuitry DIP switches S1 and S2 allow the Option 01T to be daisy chained to the next VXI module to the right If all segments of DIP switches S1 and S2 are closed the local bus signals will also go to P2C which connects to the VXlbus backplane In this case the VXI module immediately to the right of the 1260 101 Carrier has access to the local bus signals from the Option 01T If the module to the right of the 1260 101 Carrier is not meant to be controlled by the Option 01T then all segments of DIP switches S1 and S2 should be open The local bus signals LBUSCOOS through LBUSCO9S are differential U2 converts LBUSCOOS through LBUSCO7S to TTL levels LBUSCO8S and LBUSCO9S are a bidirectional differential pair U3 and U4 receive and drive these signals respectively U7 is a voltage monitor used to reset the Mezzanine and plug ins at power turn on At power turn on it drives LLOGICRST low for approximately 130ms It then takes LLOGICRST high and leaves it high unless 5V power drops below 4 5V The signal LBUSC10S is an open collector line from the Option 01T During power turn on the Option 01T drives LBUSC10S low for about 100ms then allows it to be pulled high While LBUSC10S is low it resets all relay drivers on all plug ins to 1260 101 Theory of
31. g plug ins Using proper anti static handling procedures when plug ins are outside the carrier Figure 1 3 shows how to insert or remove a plug in To insert a plug in position the module so that the edges align with the grooves in the carrier slot Slide the plug in all the way into the carrier then press firmly to engage its connector with the carrier backplane Tighten the plug in retaining screws securely To remove a plug in loosen the two retaining screws until they float freely Since they are captive they do not come completely out Pull firmly and evenly on the retaining screws to disengage the plug in from the backplane then pull the plug in out of the carrier To install the 1260 100 101 Carrier into a VXlbus chassis position the carrier so that the ridges at the top and bottom align with the grooves in the chassis slots See Figure 1 3 As you push the carrier into the chassis ensure that the injector ejector handles are in the proper positions The upper handle should be all the way up and the lower handle should be all the way down Push the carrier into the chassis until it stops Then use the injector ejector handles to engage the carrier with the chassis backplane Simultaneously push the upper handle downward and the lower handle upward until the carrier is fully inserted Tighten the upper and lower retaining screws Getting Started 2 9 1260 100 101 User Manual Making Connections to Plug Ins Pin Outs P
32. gh R18 before reaching P2 From P2 the local bus signals go to the Bridge module which uses them to interface the Option 01T to the plug ins DIP switches S1 and S2 are not installed on the Mezzanine Instead resistors R7 through R18 make the equivalent connections instead If an Option 01T is not installed on the Mezzanine then the Local Bus Jumper Assembly P N 405951 must be installed onto connector J2 The local bus signals from an external Option 01T then flow through the Mezzanine as follows The signals enter the Mezzanine on P2A P2 row A The Mezzanine connects them to J2A The jumper assembly then connects them to J2C The Mezzanine connects them to P2C which connects to the VXI backplane The Bridge then connects to these signals using its P2 connector Unlike the 1260 Series switch modules it is not necessary to install the Bus Grant Jumper Assembly P N 405951 003 on connector J1 when the Option 01T is not installed This is because the Mezzanine provides the same connections on P1B However installing the Bus Grant Jumper Assembly causes no problems _ The backplane distributes power from the Mezzanine and Bridge Power to the six plug in slots Distribution Signals The backplane provides a signal path between the plug ins and the Bridge All communications signals are connected in parallel to all six plug ins except LBOARDSEL1 through LBOARDSEL6 These six signals route to their respective plug in slots a
33. l Other commands are specific to individual plug ins For detailed information on module specific commands refer to the instruction manual for the appropriate plug in Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Chapter 3 USING THE 1260 100 101 Checking the Response of Plug Ins Closing and Opening Relays Emergency Reset Function Description Astronics Test Systems To verify that the plug ins are operational send the MOD LIST command to the Option 01T Then read back the response of the Option 01T The Option 01T responds with a message specifying which plug ins and 1260 Series modules are under its control If the Option 01T does not respond or does not properly list the installed switch products refer to Appendix C Troubleshooting To use the message based mode of communication refer to Chapter 2 of the Option 01T Instruction Manual for general commands For module specific commands refer to the individual manuals for the plug ins For high speed operation use the register based mode with VXlplug amp play drivers For detailed information refer to the VISA and the VXIplug8play Software section of Chapter 2 Using the Option 01T in the Option 01T Instruction Manual To enhance safety in applications that involve power switching certain Adapt a Switch plug ins and conventional 1260 Series modules offer an emergency reset function activated by an external input
34. led e Install 1260 Soft Front Panel Driver e See special troubleshooting procedure below entitled Communications Troubleshooting Communication problem with Option 01T 1260 100 101 Carrier or plug in Local Bus daisy chain switches D Close all twelve Local Bus daisy VXlplug amp play soft panel list Communications Troubleshooting Troubleshooting C 2 1260 100 101 do not appear in not closed chain switches on 1260 100 101 VXIplug8play soft panel list Carrier when another carrier or 1260 100 101 plug ins do appear 1260 Series module is installed to its immediate right Relays do not close when Emergency reset function e f external switch is connected commanded but plug in appears in activated ensure that it is in the inactive position See the Emergency Reset Function section in Chapter 3 Try the following procedure if you have trouble operating the Option 01T or plug ins If you still have difficulty contact our Customer Support Department 1 Turn off the VXlbus chassis power switch Wait at least two seconds then turn it back on The Fail LED on the left most 1260 100 101 Carrier or 1260 Series module should illuminate then go out within five seconds If it does then proceed to step 2 If the Fail LED does not illuminate when power is turned on then go to step 6 If the Fail LED illuminates and stays on after five seconds then the Option 01T may be defective con
35. lled in an Astronics Test Systems certified mainframe with faceplates installed over all unused slots as applicable The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC modified by 93 68 EEC Irvine CA October 8 2004 Awan Engineering Director This page was left intentionally blank Publication No 980824 100 Rev B 1260 100 101 User Manual Table of Contents Fe 1 0 AAA A 1 4 OVERVIEW et 1 1 Items Shipped with 1260 100 101 casi wns Na cetseesOy eelere 1 1 Functional Descrip O dde 1 2 ELE E A e EE E Termes PEE er 1 3 Compatibility Tu 1 3 EAS OF WSC ada a a N e a 1 3 Maintainability a ea a a a a 1 3 Dynamically Configured Analog Bus 1 4 CHIPE E 2 1 GETTING S TAR TED o sidra E a a ai 2 1 Unpacking and Inspection EE 2 1 Elte EEN 2 2 Setting K ei le HI te Ee TE 2 6 Local Bus Daisy Chain Zeene eebe 2 6 Logical Address Switch only if Option 01T metalle 2 6 Module Address Switch EE 2 7 1260 100 Module Gul Eeeg eusch ege SEENEN SEENEN ee 2 7 1260 101 Module Addres Sisic orano bate Sens r e a 2 9 Inserting and Removing RTE En EE 2 9 Installing the 1260 100 101 into a VXlbus Chassis 2 9 Astronics Test Systems i 1260 100 101 User Manual Publication No 980824 100 Rev B Making Connections to Plug Ins Pm COutsl kee ENNEN 2 10 NS E 2 10 Closing and Opening Relays sci set creas ek Eeertee Ed er lia a 2 10 USING THE 1260 1000 Oi at ct b
36. lso control plug ins in an adjacent 1260 100 101 module or several 1260 Series modules in consecutive slots The following rules apply when using the Option 01T controller e Each Adapt a Switch or full size VXI switch module has its own unique module address e 1260 100 assigns module addresses 1 through 12 to its module slot depending on the position of the Address Range DIP switch e 1260 101 always assigns module address 1 to the top slot and 2 to the bottom slot e Full size VXI switch cards may be assigned any module address from 1 to 12 inclusive selectable by the DIP switch e To be controlled by a single Option 01T a group of switch modules and carriers must be installed in a contiguous group of VXlbus chassis slots and the Option 01T must be installed in the left most module in the group e Any 1260 100 101 Carrier or 1260 Series module that is not equipped with an Option 01T must have the Local Bus Jumper Assembly P N 405951 and Bus Grant Jumper Assembly P N 405951 003 installed in its place This ensures that the Local Bus and Bus Grant daisy chains are unbroken Below are some examples of possible configurations Example 1 A single Option 01T may control all Adapt a Switch plug ins in one or two 1260 100 Carriers When it controls two carriers the carriers must be in adjacent slots in the VXlbus chassis with the Option 01T equipped carrier in the left most slot of the group A single Option 01T may
37. n 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 contact Customer Support 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 Customer Support by E Mail atshelpdeskOastronics com Telephone 1 800 722 3262 USA Fax 1 949 859 7139 USA RETURN OF PRODUCT Authorization is required from Astronics Test Systems before you send us your product or sub assembly for service or calibration Call or contact Customer Support at 1 800 722 3262 or 1 949 859 8999 or via fax at 1 949 859 7139 We can also be reached at atshelodesk astronics com If the original packing material is unavailable ship the product or sub assembly in an ESD shielding bag and use appropriate packing materials to surround and protect the product PROPRIETARY NOTICE This document and the technical data herein disclosed are proprietary to Astronics Test Systems and shall not without express written permission of Astronics Test Systems be used in whole or in p
38. nd identify which plug in is currently addressed The backplane also provides an analog bus This bus consists of four pairs of PCB traces that daisy chain from one plug in to the next connecting to all six slots in parallel Each pair of traces is impedance matched to 100 ohms and is routed for maximum 1260 101 Theory of Operation B 2 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Bridge PCB Assembly Local Bus Signal Routing Reset Circuit Astronics Test Systems isolation and minimum crosstalk The Bridge provides the circuitry to interface between the plug ins and the Option 01T It receives the local bus signals from the Option 01T on connector P2A The zero ohm resistors R20 through R31 allow the signals to reach J2A without the use of a Local Bus Jumper Assembly From J2A the signals go to the interface circuitry DIP switches S1 and S2 allow the Option 01T to be daisy chained to the next VXI module to the right If all segments of DIP switches S1 and S2 are closed the local bus signals will also go to P2C which connects to the VXlbus backplane In this case the VXI module immediately to the right of the 1260 100 Carrier has access to the local bus signals from the Option 01T If the module to the right of the 1260 100 Carrier is not meant to be controlled by the Option 01T then all segments of DIP switches S1 and S2 should be open The local bus signals LBUSCOOS through LBUSC
39. nnects 5V 12V and 24V power from the VXlbus backplane to the 1260 100 backplane to add to the current provided by the Mezzanine The bridge also filters power in the same manner as the Mezzanine J5 is a 10 pin header that is connected to the PLD U1 It uses the JTAG interface to allow in system programming of the PLD during upgrades or troubleshooting The power is filtered before reaching either the backplane or Option 01T The fuses F1 through F3 are of the surface mount type The fuses used are as follows 1260 101 Theory of Operation B 5 1260 100 101 User Manual Publication No 980824 100 Rev B FUSE MANUFACTURER ee M S PART NUMBER F1 Wickmann USA Inc 418 2100000 10 921545 F2 Wickmann USA Inc 417 1315000 3 15 921546 F3 Wickmann USA Inc 417 1315000 3 15 921546 Signal Connections Power Distribution Signals 1260 101 Theory of Operation B 6 Connectors P1 and P2 connect to the VXlbus backplane Connectors J1 and J2 connect to the Option 01T The Option 01T accesses the VXI Local Bus via J2C third row of connector J2 From P2 the local bus signals go to the Mezzanine module which uses them to interface the Option 01T to the plug ins If an Option 01T is not installed on the Mezzanine then the Local Bus Jumper Assembly P N 405951 must be installed onto connector J2 The local bus signals from an external Option 01T then flow through the Mezzanine as follows The
40. o 3 1 Checking the Response of PIUQ INS ENNEN 3 1 Closing and Opening RE 3 1 Selen EE 3 1 Seel e DEE 3 1 o A A ced Nae ea 3 2 Normal State of External Switch coacciones 3 2 e O eset antes die oaks Rena head Geek eal cece ete cet 3 2 SEQUENCE EE 3 2 EE EE 4 1 MAINTENANCE EE E 4 1 Performance Verification ProCodurS coco ds 4 1 RUIDOSO yema cid lt laa toa 4 1 Equipment Required std lali idad lid ts 4 1 Software Required A A A A a a eat 4 1 Procedure APP ES o eaae aE adelante ete ea ee EEE 4 1 ii Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual o A nee eee eT Oe ne ear rr ee ae A 1 12605 Ee RR Scouts ies A 1 1260 100 General En A 1 lee Mu e ee ee ee ee ee A 1 Electrical yee i A 1 Power and GOOMMO eegene tee ee ee Ee A 2 Se tu ed A 2 EMG Ano Sato tada da od ida ii A 2 Rola Seege A 2 EELER AA A 3 E e Le EE A 3 Electical t eena A EE erg eee ae ae ere eee A 3 Power ANG COOLING esc expert zack ici A 4 See ue EE A 4 EMG and Side os id A 4 A cia aek ieee hte ns ten ee eet lars tae sah aed ee emia tea ere a een eoteeres A 4 Astronics Test Systems iii 1260 100 101 User Manual Publication No 980824 100 Rev B A ie E B 1 1260 101 THEORY OF OPERATION uta et Eeer ae B 1 Mezzanine EE lado illo ss B 1 A ee E ee kee Ee B 1 Power e e EE B 1 signal COMEN Suu ao B 2 E E stem cate cpt Ae iat tac cat ead ioe ale eae atin ie tt ane eae ae B 2 e EE B 2 Bridge PCB ASSOMDlY it Ad B 3 Local Bus
41. o be serially shifted out will be an address lt also drives the HLBUS R W signal high to indicate that data will be read It then outputs an 8MHz clock on HLBUS CLK and shifts the address out on HLBUS_DATAIN as it does when writing The 13 address bits are clocked into U5 and U6 as when writing After sending the address the Option 01T drives the HLBUS_A D low indicating that it is ready for data The plug in containing the addressed device begins shifting serial data onto HLBUS DATAOUT There are eight data bits with the most significant bit sent first The signal HLBUS_STROBE is used only when writing not when reading During reading it remains at logic 0 J5 is a 10 pin header that is connected to the PLD U1 It uses the JTAG interface to allow in system programming of the PLD during upgrades or troubleshooting 1260 101 Theory of Operation B 9 1260 100 101 User Manual Publication No 980824 100 Rev B This page was left intentionally blank 1260 101 Theory of Operation B 10 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Appendix C TROUBLESHOOTING Troubleshooting Table PROBLEM If you have difficulty in using the 1260 100 101 Adapt a Switch Carrier or its plug ins refer to the following troubleshooting table If you are still unable to resolve the problem contact the Astronics Test Systems Customer Support Department POSSIBLE CAUSES WHAT TO DO FAIL indic
42. oses When a plug in asserts an emergency reset condition it drives the LBUSC11S signal low Also the 1260 114 drives the LBUSC11S signal low to announce a synchronous event When LBUSC11S goes low the Option 01T polls the plug ins to determine which one generated the interrupt It then responds accordingly U1 is a programmable logic device PLD that handles the communications between the plug ins and the Option 01T It implements the same state machine used in 1260 Series switch modules Communications proceed as follows When the Option 01T is about to write data to a plug in it takes HLBUS _A D to a logic 1 indicating that the data to be serially shifted out will be an address lt also drives the HLBUS R W signal low to indicate that data will be written It then outputs an 8MHz clock on HLBUS CLK and places serial data on HLBUS_DATAIN synchronous with HLBUS_CLK The first 13 bits of data represent the address to be written to with the most significant bit first This address is relative to the A24 address offset assigned to the Option 01T by RESMAN For example address 0 references the first address in the space allocated to the Option 01T The 13 address bits are clocked into a shift register comprised of U5 and U6 The parallel outputs of this shift register are connected directly to all six plug ins via the 1260 100 backplane After sending the address The Option 01T drives HLBUS A D low indicating that the next data sent
43. ower On Self Test Closing and Opening Relays Getting Started 2 10 Publication No 980824 100 Rev B To remove the 1260 100 101 Carrier from the VXIlbus chassis loosen the upper and lower retaining screws Simultaneously push the upper injector handle upward and pull the lower handle downward until the carrier is disengaged from the chassis backplane Then slide the carrier out of the chassis For information about connecting external equipment to the plug ins refer to the individual manuals for the plug ins These include information regarding mating connector part numbers pinouts and electrical ratings When the VXlbus chassis is switched on the Option 01T automatically runs a self test While this self test is running the Fail LED on the front panel of the carrier illuminates Figure 1 7 shows the location of the Fail indicator If the carrier is not equipped with an Option 01T the Fail LED will not illuminate When the Option 01T completes self test the Fail LED will extinguish This occurs within five seconds after chassis power is turned on The self test includes the following 1 PROM checksum 2 RAM write read pattern verification 3 Microprocessor instruction test 4 Non volatile RAM verification 5 Timer test This self test represents 70 fault detection For general commands to close and open relays refer to the section Closing a Relay in Chapter 1 Getting Started of the Option 01T Instruction Manua
44. s are easy to insert and extract from the front panel of the 1260 100 101 even while it is installed in a chassis e For only the1260 100 module addresses used to uniquely identify each plug in are set by a single DIP switch that is easily accessible from the side panel of the 1260 100 See Setting Configuration Switches in Chapter 2 Getting Started for instructions e The 1260 100 101 ejector handles also function as injectors making it easy to install the carrier into a VXlbus chassis Maintainability of the 1260 100 101 is enhanced by the fact that plug ins are removable from the front panel This has the following benefits e The mean time to repair MTTR is minimized since the carrier does not need to be disassembled or even removed from the VXIbus chassis e The switch system may be easily upgraded in the field by adding or changing plug ins e Sparing is less costly and more flexible since individual plug ins may be spared rather than the entire 1260 100 101 module Overview 1 3 1260 100 101 User Manual Injector ejector handles Plug ins can be inserted or removed through front panel Y Dg AS ay Y S Publication No 980824 100 Rev B Single DIP switch sets module addresses for all six plug ins Shield Between PLUG INS For Maximum Signal Isolation Dynamically Configured Analog Bus Overview 1 4 Figure 1 3 Ease of Use Features
45. s removed the external switch is returned to its normal position the relays remain open until otherwise commanded by the Option 01T Other Adapt a Switch plug ins and 1260 Series modules that are equipped to recognize an emergency reset are configured and operate the same way as the 1260 120 It is important to note that a global reset condition opens relays on all plug ins and 1260 Series modules that are connected to the same Option 01T regardless of whether they are equipped with the interface for the external reset switch Astronics Test Systems Using the 1260 100 101 3 3 1260 100 101 User Manual Publication No 980824 100 Rev B This page was left intentionally blank Using the 1260 100 101 3 4 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Chapter 4 MAINTENANCE Performance Verification Procedure The following procedure verifies the basic functions of the Purpose 1260 100 101 Adapt a Switch Carrier Test coverage includes e Option 01T power on self test e Option 01T basic operation in message based mode e Option 01T operation in register based mode e 1260 100 101 receive and transmit functions e VXlbus chassis Equipment Required e Embedded slot O controller or MXI slot O controller with IBM compatible PC Software Required e Microsoft Windows 95 or NT e VXI Resource Manager RESMAN by National Instruments e VXI Interactive Control VIC by National Instruments
46. signals enter the Mezzanine on P2A P2 row A The Mezzanine connects them to J2A The jumper assembly then connects them to J2C The Mezzanine connects them to P2C which connects to the VXI backplane Unlike the 1260 Series switch modules it is not necessary to install the Bus Grant Jumper Assembly P N 405951 003 on connector J1 when the Option 01T is not installed This is because the Mezzanine provides the same connections on P1B However installing the Bus Grant Jumper Assembly causes no problems The Mezzanine distributes power the two plug in slots All communications signals are connected in parallel to the two plug ins except LBOARDSEL1 and LBOARDSEL2 These two signals route to their respective plug in slots and identify which plug in is currently addressed Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Mezzanine PCB Assembly Local Bus Signal Routing Reset Circuit Astronics Test Systems The Mezzanine also provides an analog bus This bus consists of four pairs of PCB traces that daisy chain from one plug in to the next connecting to the two slots in parallel Each pair of traces is impedance matched to 100 ohms and is routed for maximum isolation and minimum crosstalk The Mezzanine connects 5V 12V and 24V power from the VXlbus backplane to the plug ins and connects the VXlbus backplane signals to the Option 01T if it is installed The Mezzanine also provid
47. ss DIP switch See Figure 2 2 sets the logical addresses for all plug ins in the 1260 100 Carrier The switch has two settings e 1 6 closed When the switch is set to this position the module addresses of the plug ins are from 1 through 6 with 1 being in the left slot of the top row The plug ins are addressed in the following pattern Getting Started 2 7 1260 100 101 User Manual Publication No 980824 100 Rev B The Front View One 1260 100 e 7 12 open When the switch is set to this position the module addresses of the plug ins are from 7 through 12 in the following pattern The Front View Two 1260 100s Getting Started 2 8 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Inserting and Removing Plug Ins Installing the 1260 100 101 into a VXlbus Chassis Astronics Test Systems 1260 101 Module Address The module addresses of the two plug ins are always 1 and 2 the top slot is 1 Set the module addresses for the Adapt a Switch Carriers and 1260 Series modules so that no address is used by more than one plug in or 1260 Series module For instructions on setting module addresses for a 1260 Series module see the label on the side panel of the module or refer to the module instruction manual CAUTION If the 1260 100 101 Carrier is in a VXIlbus chassis make sure the chassis power is off before inserting or removin
48. tact Customer Support Send a IDN command to the Option 01T then read the response It should be in the following format Racal Instruments 1260A Option 01T lt serial num gt lt revision gt where lt serial num gt is the serial number and lt revision gt is the revision level of the firmware If the Option 01T responds with a message in this form then proceed to step 3 Otherwise go to step 8 Astronics Test Systems Publication No 980824 100 Rev B 1260 100 101 User Manual Astronics Test Systems 3 Execute the 1260 Series soft front panel program It should display a list of all plug ins and 1260 Series modules that are connected to the Option 01T If it does not display a list then go to step 8 Otherwise proceed with step 4 If the list displayed in step 3 is complete then go to step 5 Otherwise go to step 10 Since the list of plug ins is complete the Option 01T is successfully communicating with all of the plug ins If you still have other communication difficulties contact Customer Support Fail LED does not come on 6 Verify that the Option 01T is installed in the appropriate 1260 100 Carrier or 1260 Series module as described in Option 01T in Chapter 2 Getting Started Remember the only Fail LED that will illuminate is the one on the module containing the Option 01T Verify that the Fail LED cable is properly connected to the Option 01T If the Fail LED is not properly connected

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