KPXI 3U Instrument Chassis User`s Manual
Contents
1. www keithley com KPXI 3U Instrument Chassis User s Manual KPXI SYS 900 01 Rev A January 2007 KEITHLEY A GREATER MEASURE CONFIDENCE Keithley Instruments Inc warrants this product to be free from defects in material and workmanship for a period of 1 year from date of shipment Keithley Instruments Inc warrants the following items for 90 days from the date of shipment probes cables rechargeable batteries diskettes and documentation During the warranty period we will at our option either repair or replace any product that proves to be defective To exercise this warranty write or call your local Keithley Instruments representative or contact Keithley Instruments headquarters in Cleveland Ohio You will be given prompt assistance and return instructions Send the product transportation prepaid to the indicated service facility Repairs will be made and the product returned transportation prepaid Repaired or replaced products are warranted for the balance of the original warranty period or at least 90 days LIMITATION OF WARRANTY This warranty does not apply to defects resulting from product modification without Keithley Instruments express written consent or misuse of any product or part This warranty also does not apply to fuses software non rechargeable batteries damage from battery leakage or problems arising from normal wear or failure to follow instructions THIS WARR2. 1 2 lo EE 1 3 gg P 1 3 Salety symbols and Om usate certae eer aec aree 1 4 cree eo notet erede dn 1 4 Unpacking and inspection een ne na 1 5 inspection Tor E 1 5 Shipment contents 1 5 nS 1 5 Repacking for 1 5 2 15 anna RER bes 2 1 2 2 Power pODSICETe OS erba e t tete eae iet 2 2 lt 2 2 KPXI SYS 18 460X2 KPXI SYS 8 400 and KPXI SYS 14 500 2 2 KPXI SYS 6 250 6 slot 2 3 IDIBUS PETRO 2 3 Rack ine 2 4 3 Backplane Overview System controller enero trades mE KPAFSTS IS BR ea ION GIN nern Pofipheral PEE il cl D eee System reference KP Alen Se Star trigger Slot os ecco nina Penpheral RD ER WPT lE r forence Clock a datei iba dread cr rte E SUM Em Penpheral Trigger referente GIOOK MEME MI E E E
3. Local Local Bus 74 PXI Trigger Bus Segment 1 and Segment 1 Local Bus ocal Bus PXI Star Triggers Hoyu 4 3 System reference clock Model KPXI SYS 18 460X2 supplies the 10MHz system clock signal PXI_CLK10 independently to every peripheral slot An independent buffer having a source impedance matched to the backplane and a skew of less than Ins between slots drives the clock signal to each peripheral slot Users can use this common reference clock signal to synchronize multiple modules in a measurement or control system KPXI SYS 900 01 Rev A January 2007 Return to Section Topics 3 3 Section 3 Backplane Overview KPXI 3U Instrument Chassis User s Manual KPXI SYS 14 500 Star trigger slot The Star Trigger ST slot is Slot 2 This slot has a dedicated trigger line between itself and slots 3 11 which is intended for modules with ST functionality that can provide individual triggers to the peripherals Peripheral slots There are 13 peripheral slots including the Star Trigger controller slot Trigger bus Model KPXI SYS 14 500 has a PXI trigger bus Users can use triggers to synchronize the operation of several different PXI peripheral modules or use one module to control caref
4. BESSER rm Fenplierdl slip System referente ai eee Table of Contents KPXI 3U Instrument Chassis User s Manual Section Topic Page 4 Troubleshooting and Maintenance 4 1 MM 4 2 Troubleshooting and 2222 2 122 2 4 2 Temperature 4 2 Fan hot swap 2 2 lt lt te nnnm 4 2 Power supply unit hot swap 4 2 Service Form ii KPXI SYS 900 01 Rev A January 2007 List of Figures Section Figure Title Page 3 Figure 3 1 KPXI SYS 18 460X2 PXI Local Bus and Star Trigger Routing 3 3 Figure 3 2 KPXI SYS 8 400 PXI Local Bus and Star Trigger Routing 3 5 Figure 3 3 KPXI SYS 6 250 PXI local bus and star trigger routing 3 6 List of Figures Instrument Chassis User s Manual This page left blank intentionally iv KPXI SYS 900 01 Rev A January 2007 List of Tables Section Table Title Page 1 Table 1 1 2 2 24 444 24 1 3 2 Table 2 1 System MOnlloitig ionic ent scannen 2 3 4 Table 4 1 Troubleshooting power 4 2 List of Tables vi This
5. Step 1 Make sure the power switch is in the OFF position Step 2 Plug in the AC power cord in each power supply unit Step 3 Install the controller Please check the ejector injector handle is pushed down Align the controller edge to the RED card guide sliding in to the rear of the chassis Push up on the ejector injector handle to fully inject the card into the chassis Secure the screws on the module s front panel Connect the keyboard mouse and monitor to the controller with the ps2 Y cable before booting system Step 4 Install peripheral modules if any Step 5 Press the power switch on the front panel to power on the chassis Step 6 Check the LED to make sure the power input is ready There are four green LED indicators of 3 3V 5V 12V and 12V The four LED indicators will light with power on The fans should become operational as well NOTE Refer to Section 4 if the chassis does not power 2 2 Return to Section Topics KPXI SYS 900 01 Rev A January 2007 Instrument Chassis Users Manual Section 2 Installation KPXI SYS 6 250 6 slot chassis NOTE It is not recommended to rack mount the 6 slot benchtop chassis Model KPXI SYS 6 250 No mounting brackets are included with this model Use the following steps as a guideline for installation of the chassis Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 NOTE For desktop applications please reserv
6. LEDs on the front panel of the 8 14 and 18 slot chassis for system monitoring including powers temperature and fans Please refer to following for the detailed meaning of display status on LEDs Table 2 1 System Monitoring LED Description Power LED Voltage 3 3V 5V 12 12V Color Green ON while supplied Temperature LED Color Amber ON for normal condition Flashes if exceeds temperature Fan LED Color Green ON while normal fan speed Flashes if abnormal fan speed Alarm LED Color Red ON while normal condition Flashes if alarm occurs KPXI SYS 900 01 Rev A January 2007 Return to Section Topics 2 3 Section 2 Installation KPXI 3U Instrument Chassis User s Manual The Alarm Buzzer beeps continuously if any alarm occurs When the Alarm Buzzer beeps users can check the LED on the front panel to find out which kind of alarm occurs There is a black button labeled Alarm RST near by the Alarm LED on the front panel When the Alarm LED flashes and the Alarm Buzzer continues beeping you can push Alarm RST button to stop beeping NOTE Users can further refer to Section 4 for Troubleshooting There is one Green LED on each power supply unit in the rear and the red button between the power supply units is power RST When the alarm buzzer beeps and the power LED extinguishes you can push power RST button to stop beeping and refer to Section 4 to hot
7. Replacement Procedure Step 1 Press the red button on the rear panel to stop the buzzer beeping Step 2 Locate the defective power by examining the indication of the individual LED on the rear panel Step 3 Unplug the power cord of defective power supply from AC inlet Step 4 Unscrew all mounting screws fixing the defective power supply unit Step 5 Pull out the defective unit Step 6 Replace with a new power supply unit Contact Keithley Instruments for a replacement power supply unit Step 7 Screw all mounting screws to fix the new power supply unit Step 8 Plug in the power cord KPXI SYS 900 01 Rev January 2007 Return to Section Topics 4 3 Section 4 Troubleshooting and Maintenance 4 4 This page left blank intentionally Return to Section Topics KPXI 3U Instrument Chassis User s Manual KPXI SYS 900 01 Rev A January 2007 KEITHLEY Service Form Model Serial No Date Name and Telephone No Company List all control settings describe problem and check boxes that apply to problem Intermittent Analog output follows display Particular range or function bad specify O IEEE failure Obvious problem on power up Batteries and fuses are OK O Front panel operational O All ranges or functions are bad Checked all cables Display or output check one Drifts Unable to zero Unstable O Overload O Will not read applied input Calibratio
8. swap the power supply unit Rack Mounting 2 4 NOTE Itis not recommended to rack mount the 6 slot benchtop chassis Model KPXI SYS 6 250 mounting brackets are included with this model The KPXI SYS 8 400 KPXI SYS 14 500 and the 18 450 2 are all suitable for rack mounting The brackets needed for rack mounting are the same brackets used by the handles To rack mount these chassis use the following instructions 1 Verify that you are installing the system into a standard 19 rack into a 4 U high space with out any obstructions 2 Remove the feet 3 Remove the front handles from the side brackets Do not remove the side brackets from the chassis these brackets will be used for rack mounting the handles pieces need to be removed to allow easy access to the holes used for rack mounting 4 Guide the chassis into the rack and secure it using screws through both interior holes located on each side bracket Make sure that screws and fasteners used can support the weight of the chassis when fully loaded Make sure that screws are fastened tightly to the rack s vertical rails either to fasteners or to holes that are threaded directly in the rails NOTE For the 18 slot chassis Model 18 450 2 it is recommended to place the chassis on a Shelf within the rack for further support Return to Section Topics KPXI SYS 900 01 Rev A January 2007 Section 3 Backplane Overview In this section To
9. ANTY 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 NEITHER KEITHLEY INSTRUMENTS INC NOR ANY OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRUMENTS AND SOFTWARE EVEN IF KEITHLEY INSTRUMENTS INC HAS BEEN ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES SUCH EXCLUDED DAMAGES SHALL INCLUDE BUT ARE NOT LIMITED TO COSTS OF REMOVAL AND INSTALLATION LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERSON OR DAMAGE TO PROPERTY KEITHLEY A GREATER MEASURE OF CONFIDENCE Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY 534 8453 www keithley com 12 06 3U Instrument Chassis User s Manual 2007 Keithley Instruments Inc All rights reserved Cleveland Ohio U S A Document Number KPXI SYS 900 01 Rev January 2007 Manual Print History Instrument Chassis User s Manual Manual Print History The print history shown below lists the printing dates of all Revisions and Addenda created for this manual The Revision Level letter increases alphabetically as the manual undergoes subsequent updates Addenda which are released between Revisions contain importan
10. Both PXI and CompactPCI modules can be used in the chassis An internal 10MHz reference clock is available on all 17 PXI slots The PXI trigger bus is divided into three segments Star trigger signals are available on slots 3 through 15 The Model KPXI SYS 18 460X2 is equipped with 460W 460W redundant power units to provide reliable and easy to maintain power to the system The status of system power supply temperature and cooling fans are monitored by the alarm module in the chassis Once a failure is detected a LED and buzzer will be actuated The failure fans can be removed from the front panel and hot swapped reducing MTTR Mean Time To Repair The Model KPXI CON controllers are designed specifically with the KPXI SYS 18 460X2 in mind With all the powerful and convenient design the Model KPXI SYS 18 460X2 chassis is ideal for high performance applications and a large number of I O modules KPXI SYS 14 500 The KPXI SYS 14 500 is a 19 3U PXI chassis providing 13 PXI peripheral slots and one system slot with one PXI to PXI bridge The KPXI SYS 14 500 is compliant with PXI and specifications and supports both PXI and modules The internal 10MHz reference clock is available on all 13 PXI slots and the PXI trigger bus is divided into two segments with each segment consisting of 7 slots Star trigger signals are available on slots 3 through 13 The KPXI SYS 14 500 is equipped with a 500W ATX power supply
11. amage CAUTION Your KPXI SYS series chassis contains electro static sensitive components that can be easily be damaged by static electricity Therefore handle the chassis on a grounded anti static mat The operator should be wearing an anti static wristband grounded at the same point as the anti static mat Keithley Instruments KPXI System 3U PXI Instrument Chassis was carefully inspected electrically and mechanically before shipment Inspect the chassis carton for obvious damages Shipping and handling may damage the chassis Make sure there is no shipping and handling damage on the module s carton before continuing After opening the chassis carton extract the chassis and place it only on a suitable surface Save the original packing carton for possible future shipment Again inspect the chassis for damages Report any damage to the shipping agent immediately Shipment contents The following items are included with every Model KPXI SYS series order Keithley Instruments KPXI System 3U PXI Instrument Chassis CD containing required software and manuals Power cord Instruction manual A CD ROM containing this User s Manual and required software is included with each Keithley Instruments KPXI SYS series chassis order If a hardcopy of the Keithley Instruments KPXI SYS series User s Manual is required you can order the Manual Package Keithley Instruments Part Number KPXI SYS 900 01 The Manual Package includes an instructio
12. and rating for continued protection against fire hazard Chassis connections must only be used as shield connections for measuring circuits NOT as safety earth ground connections If you are using a test fixture keep the lid closed while power is applied to the device under test Safe operation requires the use of a lid interlock Ifa D Screw is present connect it to safety earth ground using the wire recommended in the user documentation The symbol on an instrument indicates that the user should refer to the operating instructions located in the manual The symbol an instrument shows that it can source or measure 1000 volts or more including the combined effect of normal and common mode voltages Use standard safety precautions to avoid personal contact with these voltages The A symbol on an instrument shows that the surface may be hot Avoid personal contact to prevent burns The A symbol indicates a connection terminal to the equipment frame The WARNING heading in a manual explains dangers that might result in personal injury or death Always read the associated information very carefully before performing the indicated procedure The CAUTION heading in a manual explains hazards that could damage the instrument Such damage may invalidate the warranty Instrumentation and accessories shall not be connected to humans Before performing any maintenance disconnect the line cord and all test cables To maintain protection fro
13. ansion slots which are used for system controller modules that are wider than one slot As defined in the specification these slots allow the controller to expand to the left to prevent the controller from using up peripheral slots Local bus The local bus of the PXI backplane is daisy chained connecting each peripheral slot with adjacent peripheral slots one to the left and one to the right Each local bus is 13 lines wide and can pass analog signals between modules or provide a high speed side band communication path that does not affect the bandwidth In accordance with the specification the local bus connections between all slots except slots 1 and 2 KPXI SYS 18 460X2 Star trigger slot The Star Trigger ST slot is Slot 2 This slot has a dedicated trigger line between itself and slots 3 15 which is intended for modules with ST functionality that can provide individual triggers to the peripherals Peripheral slots There are 17 peripheral slots including the Star Trigger controller slot Trigger bus KPXI SYS 18 460X2 has three separate trigger bus segments The PXI trigger bus is divided into three separate trigger buses at these locations The trigger bus divisions represented by vertical bars on the front of the chassis You can use triggers to synchronize the operation of several different PXI peripheral modules or use one module to control carefully timed sequences of operations performed on o
14. cted to a properly grounded power receptacle Inspect the connecting cables test leads and jumpers for possible wear cracks or breaks before each use 12 06 When installing equipment where access to the main power is restricted such as rack mounting separate main input power disconnect device must be provided in close proximity to the equipment and within easy reach of the operator For maximum safety do not touch the product test cables or any other instruments while power is applied to the circuit under test ALWAYS remove power from the entire test system and discharge any capacitors before connecting or disconnecting cables or jumpers installing or removing switching cards or making internal changes such as installing or removing jumpers Do not touch any object that could provide a current path to the common side of the circuit under test or power line earth ground Always make measurements with dry hands while standing on a dry insulated surface capable of withstanding the voltage being measured The instrument and accessories must be used in accordance with its specifications and operating instructions or the safety of the equipment may be impaired Do not exceed the maximum signal levels of the instruments and accessories as defined in the specifications and operating information and as shown on the instrument or test fixture panels or switching card When fuses are used in a product replace with same type
15. e front panel and are hot swappable which effectively reduces MTTR Mean Time To Repair 1 2 Return to Section Topics KPXI SYS 900 01 Rev A January 2007 KPXI Instrument Chassis User s Manual Section 1 Introduction The Model KPXI CON controllers are designed specifically with the Model KPXI SYS 8 400 in mind With its powerful design the Model KPXI SYS 8 400 chassis is ideal for high performance and medium size applications KPXI SYS 6 250 Features The Model KPXI SYS 6 250 is a 3U 6 slot half rack PXI chassis that provides one slot for a system controller and 5 slots for PXI peripherals Both PXI and modules can be used in this chassis The internal 10MHz reference clock is available on all of the 5 peripheral slots as well as the star trigger functions PXI trigger bus and PXI local bus The Model KPXI SYS 6 250 chassis is equipped with an industrial grade 250W CompactPCI power supply to provide reliable power to the whole system The Model KPXI CON controllers are designed specifically with the KPXI SYS 14 500 in mind Carry handles and rack mount brackets are included The Model KPXI SYS 6 250 is an ideal chassis for small high performance applications The Keithley Instruments KPXI SYS series 3U PXI Instrument Chassis features are provided in the Table 1 1 Table 1 1 Features Model Features Power supply Accepts both 3U PXI and CompactPCI 460W 460W redundant modules power supply with
16. e sufficient space under the chassis for ventilation and make sure the surface the chassis is sitting on is flat and firm Ensure the power switch is in the Standby Off position There are two power switches on the KPXI SYS 6 250 chassis The switch in the rear is for turning ON or OFF the power cord input to the PSU Power Supply Unit The switch in the front is for turning ON or OFF the PSU DC power output to the PXI system Note that the printed Keithley Instruments logo indicates the front panel of the chassis Plug in the AC power cord Make sure the CPU RAM and storage device are secured on the system controller module Install the controller Please check the ejector injector handle is pushed down Align the controller edge to the RED card guide sliding in to the rear of the chassis Push up on the ejector injector handle to fully inject the module into the chassis Secure the screws on the module s front panel Connect the keyboard mouse and monitor to the controller with the ps2 Y cable before booting system Install peripheral modules if necessary Turn on the rear switch for inputting the AC power to the PSU The amber LED will light Turn on the front switch to power on the chassis The amber LED will go off and the green LED will light Check if the system power starts the fans under the chassis should become operational as well Refer to Section 4 if the chassis does not power on System monitoring There are
17. he individual or group responsible for the use and maintenance of equipment for ensuring that the equipment is operated within its specifications and operating limits and for ensuring that operators are adequately trained Operators use the product for its intended function They must be trained in electrical safety procedures and proper use of the instrument They must be protected from electric shock and contact with hazardous live circuits Maintenance personnel perform routine procedures on the product to keep it operating properly for example setting the line voltage or replacing consumable materials Maintenance procedures are described in the manual The procedures explicitly state if the operator may perform them Otherwise they should be performed only by service personnel Service personnel are trained to work on live circuits and perform safe installations and repairs of products Only properly trained service personnel may perform installation and service procedures Keithley Instruments products are designed for use with electrical signals that are rated Measurement Category and Measurement Category 11 as described in the International Electrotechnical Commission IEC Standard IEC 60664 Most measurement control and data signals are Measurement Category and must not be directly connected to mains voltage or to voltage sources with high transient over voltages Measurement Category connections require protection for high t
18. is table Temperature detection If the system overheats an Amber Temp LED flashes and a buzzer beeps continuously The over temperature alarm will activate when a temperature over 50 C is detected Fan hot swap replacement There is a LED for each fan for system monitoring When any one of the fans is defective the corresponding LED flashes and the alarm buzzer keeps beeping Please refer to the following for the fan hot swap replacement Fan Hot Swap Replacement Procedure Step 1 Press the Alarm RST button on the front panel to stop the beeping Step 2 Remove the fan s front panel cover Step 3 Pull out the defective fan Step 4 Replace with a new fan Step 5 Replace the fan s front panel cover Power supply unit hot swap replacement NOTE This procedure is for the Model KPXI SYS 18 460X2 chassis only 4 2 Return to Section Topics KPXI SYS 900 01 Rev A January 2007 30 Instrument Chassis User s Manual Section 4 Troubleshooting and Maintenance For the KPXI SYS 18 460X2 chassis there are four Green LED indicators for 3 3V 5V 12V and 12V There is also a Green LED for each power supply unit on the rear panel The power unit is defective if the LED on the rear panel is extinguished or if the buzzer beeps continuously The red bottom between the power supply units is power RST When alarm buzzer beeps caused by power defective you can push power RST bottom to stop beeping PSU Hot Swap
19. m electric shock and fire replacement components in mains circuits including the power transformer test leads and input jacks must be purchased from Keithley Instruments Standard fuses with applicable national safety approvals may be used if the rating and type are the same Other components that are not safety related may be purchased from other suppliers as long as they are equivalent to the original component Note that selected parts should be purchased only through Keithley Instruments to maintain accuracy and functionality of the product If you are unsure about the applicability of a replacement component call a Keithley Instruments office for information To clean an instrument use a damp cloth or mild water based cleaner Clean the exterior of the instrument only Do not apply cleaner directly to the instrument or allow liquids to enter or spill on the instrument Products that consist of a circuit board with no case or chassis e g data acquisition board for installation into a computer should never require cleaning if handled according to instructions If the board becomes contaminated and operation is affected the board should be returned to the factory for proper cleaning servicing Table of Contents Section Topic Page 1 IDEFOOUETIIOH ded eigenen 1 1 1 2 8 5 18 460 2 1 2 S DL MET 1 2
20. n manual and any pertinent addenda Always check the Keithley Instruments website at www keithley com for the latest revision of the manual The latest manual can be downloaded in PDF format from the website Repacking for shipment CAUTION The chassis must be protected from static discharge and physical shock Never remove any of the socketed parts except at a static free workstation Wear a grounded wrist strap when servicing Should it become necessary to return the Keithley Instruments KPXI System Chassis for repair carefully pack the unit in its original packing carton or the equivalent and follow these instructions Call Keithley Instruments repair department at 1 888 KEITHLEY 1 888 534 8453 for a Return Material Authorization RMA number Letthe repair department know the warranty status of the KPXI System Chassis Write ATTENTION REPAIR DEPARTMENT and the RMA number on the shipping label Complete and include the Service Form located at the back of this manual KPXI SYS 900 01 Rev A January 2007 Return to Section Topics 1 5 Section 1 Introduction KPXI 3U Instrument Chassis User s Manual This page left blank intentionally 1 6 Return to Section Topics KPXI SYS 900 01 Rev A January 2007 Section 2 Installation In this section Topic Page Introd ucEPOIE 2 2 2 Power considerations 22 2 2 2 Installati
21. n only Certificate of calibration required J Data required attach any additional sheets as necessary Show a block diagram of your measurement including all instruments connected whether power is turned on or not Also describe signal source Where is the measurement being performed factory controlled laboratory out of doors etc What power line voltage is used Ambient temperature F Relative humidity Other Any additional information If special modifications have been made by the user please describe Be sure to include your name and telephone number on this service form Specifications are subject to change without notice All Keithley trademarks and trade names are the property of Keithley Instruments Inc All other trademarks and trade names are the property of their respective companies KEITHLEY GIR EAT MEASURE N FTD EN Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY www keithley com 12 06
22. nd Maintenance KPXI Instrument Chassis User s Manual Introduction This section contains troubleshooting and maintenance information on Keithley Instruments KPXI SYS series 3U PXI Instrument Chassis Troubleshooting and maintenance Refer to Table 4 1 to troubleshoot the chassis The table lists possible causes for power failure and recommends ways to correct the problem Table 4 1 Troubleshooting power failure Possible Cause What to Do Chassis not connected to power Make sure that the KPXI SYS 18 460X2 is connected to a live electrical outlet Try source operating another piece of equipment from this outlet Power switch is not switched on Make sure that the power switch is set to the ON position The Alarm Buzzer is beeping Push Alarm RST button to stop beeping and refer to Section 2 to find out which alarm occurs Temperature LED flashes Cool down the KPXI SYS 18 460X2 system under 50 C Fan LED flashes Check to see if anything is blocking the fan from spinning If not replace the fan KPXI SYS 14 500 and KPXI SYS 18 460X2 and KPXI SYS 8 400 see Fan hot swap replacement Power supply has failed Model KPXI SYS 18 460X2 Replace the power supply see Power supply unit hot swap replacement Other models Contact Keithley Instruments for repair The Power Buzzer is beeping Check if both power supplies have power cord on it If either one of the power supply failed see Power supply has failed above in th
23. ntroller Peripheral slot Peripheral slot PXI Trigger Bus Segment and PCI Bus Segment Trigger bus KPXI SYS 6 250 implements the dedicated PXI trigger bus with 8 lines Users can use these trigger lines to synchronize the operation of several different PXI peripheral modules or use one module to control carefully timed sequences of operations performed on other modules in the system Modules can pass triggers to one another through trigger bus allowing precisely timed responses to asynchronous external events the system is monitoring or controlling System reference clock KPXI SYS 6 250 supplies the 10MHz system clock signal PXI_CLK10 independently to every peripheral slot An independent buffer having a source impedance matched to the backplane and a skew of less than 1 ns between slots drives the clock signal to each peripheral slot Users can use this common reference clock signal to exactly synchronize multiple modules in a measurement or control system 3 6 Return to Section Topics KPXI SYS 900 01 Rev A January 2007 Section 4 Troubleshooting and Maintenance In this section Topic Page 4 2 Troubleshooting and maintenance 4 2 Temperature 4 2 Fan hot swap replacement eser nm rer eres 4 2 Power supply unit hot swap 4 2 Section 4 Troubleshooting a
24. on RETIRER ORE 2 2 KPXI SYS 18 460X2 KPXI SYS 8 400 and KPXI SYS 14 500 2 2 KPXI SYS 0 250 6 slot chiassig eerte erat rettet eerte 2 3 System BIO rea REEF VEL E EYE E 2 3 Rack Ere E d er 2 4 Section 2 Installation KPXI 3U Instrument Chassis User s Manual Introduction This section contains information about handling and installing Keithley Instruments KPXI SYS series 3U PXI Instrument Chassis Power considerations Installation e System monitoring Power considerations Before installing a module into the KPXI SYS series chassis make sure to calculate the total system power requirement calculate the power budget Check every DC power source including 5V 3 3V 12V and 12V supply rail Please refer to the product data sheet for the maximum usable power for your specific chassis Installation Refer to the applicable model number below for installation information KPXI SYS 18 460X2 KPXI SYS 8 400 and KPXI SYS 14 500 WARNING The following mainframes have been evaluated for safety according to IEC 60950 as component assemblies KPXI SYS 18 460X2 KPXI SYS 8 400 and KPXI SYS 14 500 To maintain the protection provided by these chassis it is recommended that they be mounted inside a suitable rack or other enclosure according to the requirements of the end use Use the following steps as a guideline for installation of the chassis
25. ots PXI specifications Rev 2 0 compliant Filtered forced air cooling Side handles and stand feet for portability IEEE 1101 10 mechanical packaging compliant KPXI SYS 8 400 KPXI SYS 6 250 Safety symbols and terms The following symbols and terms may be found on the Model KPXI SYS chassis or used in this manual The N symbol indicates that the user should refer to the operating instructions located in the manual The N symbol shows that high voltage may be present on the terminal s Use standard safety precautions to avoid personal contact with these voltages The N symbol on an instrument shows that the surface may be hot Avoid personal contact to prevent burns The WARNING heading used in this manual explains dangers that might result in personal injury or death Always read the associated information very carefully before performing the indicated procedure The CAUTION heading used in this manual explains hazards that could damage the unit Such damage may invalidate the warranty Specifications Refer to the product data sheet for updated Keithley Instruments KPXI System 3U PXI Instrument Chassis specifications Check the Keithley Instruments website at www keithley com for the latest updates to the specifications Return to Section Topics KPXI SYS 900 01 Rev A January 2007 Instrument Chassis User s Manual Section 1 Introduction Unpacking and inspection Inspection for d
26. page left blank intentionally 3U Instrument Chassis User s Manual KPXI SYS 900 01 Rev January 2007 Section 1 Introduction In this section Topic Page ee 1 2 MPO EN IMS 1 2 KPALST STD 1 2 je 1 2 dn EcL icr uli 1 3 PERSIUS pela oodd a adu 1 3 Safety symbols and terms 1 4 Unpacking and inspection 1 5 InspescHom Tor DAT 1 5 Shipment coDtents erosion 1 5 instuction manual essen 1 5 Repacking Tor shipment ansehe 1 5 Section 1 Introduction KPXI 3U Instrument Chassis User s Manual Introduction Keithley Instruments KPXI SYS series 3U PXI Instrument Chassis provide one system slot as well as multiple peripheral slots in a system The number of slots provided is model dependent see Features Each model in the KPXI SYS series 3U PXI Instrument Chassis is also equipped with a power supply Refer to the following for an overview of each chassis model KPXI SYS 18 460X2 Model KPXI SYS 18 460X2 is an 18 slot PXI chassis providing 17 PXI peripheral expansion slots and one system slot with two PXI to PXI bridges The chassis incorporates all features defined by the PXI and CompactPCI specifications
27. pic Page ODI C EOIN een een 3 2 CUTS Ric em 3 2 DUS ann 3 2 6 5 18 460 2 3 2 alar sg o e 3 2 slots ea ne er ie 3 2 3 2 System reference GOK 3 3 KEXI SY9 14 500 sn ea 3 4 ate mgar SE 3 4 Peripheral 65 3 4 3 4 System reference ken re 3 4 3 4 Sar ger ED een 3 4 aan ad 3 4 3 4 COCK anne mern 3 5 ee 3 5 SIE een 3 5 nun are 3 5 bios D c e 3 6 System reference CloGk ae an eee 3 6 Section 3 Backplane Overview KPXI 3U Instrument Chassis User s Manual Introduction This section contains information on the Keithley Instruments KPXI SYS series 30 PXI Instrument Chassis backplanes Features common to all Keithley Instruments KPXI SYS series 3U Instrument Chassis backplanes are contained in this paragraph For features that are specific to each model refer to the following paragraphs KPXI SYS 18 460X2 page 3 2 e KPXI SYS 14 500 page 3 4 e KPXI SYS 8 400 page 3 4 e KPXI SYS 6 250 page 3 5 System controller slot The System Controller slot is Slot 1 of the chassis as defined by the specification It has three controller exp
28. ransient over voltages often associated with local AC mains connections Assume all measurement control and data I O connections are for connection to Category sources unless otherwise marked or described in the Manual Exercise extreme caution when a shock hazard is present Lethal voltage may be present on cable connector jacks or test fixtures The American National Standards Institute ANSI states that a shock hazard exists when voltage levels greater than 30V RMS 42 4V peak or 60VDC are present A good safety practice is to expect that hazardous voltage is present in any unknown circuit before measuring Operators of this product must be protected from electric shock at all times The responsible body must ensure that operators are prevented access and or insulated from every connection point In some cases connections must be exposed to potential human contact Product operators in these circumstances must be trained to protect themselves from the risk of electric shock If the circuit is capable of operating at or above 1000 volts no conductive part of the circuit may be exposed Do not connect switching cards directly to unlimited power circuits They are intended to be used with impedance limited sources NEVER connect switching cards directly to AC mains When connecting sources to switching cards install protective devices to limit fault current and voltage to the card Before operating an instrument make sure the line cord is conne
29. t change information that the user should incorporate immediately into the manual Addenda are numbered sequentially When a new Revision is created all Addenda associated with the previous Revision of the manual are incorporated into the new Revision of the manual Each new Revision includes a revised copy of this print history page Revision A Document Number 5 5 900 01 January 2007 All Keithley Instruments product names are trademarks or registered trademarks of Keithley Instruments Inc Other brand names are trademarks or registered trademarks of their respective holders KPXI SYS 900 01 Rev A January 2007 KEITHLEY Safety Precautions The following safety precautions should be observed before using this product and any associated instrumentation Although some instruments and accessories would normally be used with non hazardous voltages there are situations where hazardous conditions may be present This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury Read and follow all installation operation and maintenance information carefully before using the product Refer to the manual for complete product specifications If the product is used in a manner not specified the protection provided by the product may be impaired The types of product users are Responsible body is t
30. ther modules in the system Modules can pass triggers to one another through the trigger bus allowing precisely timed responses to asynchronous external events the system is monitoring or controlling 3 2 Return to Section Topics KPXI SYS 900 01 Rev A January 2007 Instrument Chassis User s Manual Section 3 Backplane Overview Figure 3 1 KPXI SYS 18 460X2 Local Bus and Star Trigger Routing OR eR Local Bus r proud og O 4 3018 Local Bus PXI Trigger Bus Segment 3 and PCI Bus Segment 3 Local Bus gt 4015 1 1 44 2 8 gt M 4 a 3 P E 1015 Teraydprag Qs amp E 2 EL 8 5 8 E 1015 eroydueg ER amp E 2 a N 2 a gt i E 5 8 EN E gt 5 E 4018 3 d a 1 1 4 Local Bus joys 4 3015 mid Ci 4015 Q 198811 1015
31. tion Topics KPXI SYS 900 01 Rev A January 2007 KPXI 3U Instrument Chassis User s Manual Section 3 Backplane Overview Figure 3 2 KPXI SYS 8 400 Local Bus and Star Trigger Routing Clock 10 MHz Buffer Circuitry PXI Trigger Bus Segment and PCI Bus Segment System reference clock The Model KPXI SYS 8 400 supplies the PXI 10MHz system clock signal PXI_CLK10 independently to every peripheral slot An independent buffer having a source impedance matched to the backplane and a skew of less than 1ns between slots drives the clock signal to each peripheral slot Users can use this common reference clock signal to synchronize multiple modules in a measurement or control system KPXI SYS 6 250 Star trigger slot The Star Trigger ST slot is spotted at Slot 2 This slot has a dedicated trigger line linking itself through Slot 3 4 5 and 6 It is intended for modules with ST functionality that can provide individual triggers to synchronize or trigger the peripherals easily Peripheral slots There are 5 peripheral slots shown in the following diagram inclusive of the Star Trigger controller slot KPXI SYS 900 01 Rev A January 2007 Return to Section Topics 3 5 Section 3 Backplane Overview KPXI 3U Instrument Chassis User s Manual Figure 3 3 KPXI SYS 6 250 local bus and star trigger routing 10 PXI Star Triggers System Co
32. to provide reliable power to the System The status of system power supply temperature and cooling fans are monitored by an alarm module built in to the chassis When any cooling fan fails a LED and buzzer will be actuated The malfunctioning fan is hot swappable and can be removed from the front panel The KPXI SYS 14 500 chassis also features a compact mechanical design which makes it shallow enough for easy cable routing while allowing air flow in the rear of the rack The Model KPXI CON controllers are designed specifically with the KPXI SYS 14 500 in mind With its powerful design the KPXI SYS 14 500 chassis is ideal for measurement and automation applications KPXI SYS 8 400 The Model KPXI SYS 8 400 is a 19 3U PXI chassis providing 7 PXI peripheral slots in a system These chassis are compliant with PXI and CompactPCI specifications Both PXI and CompactPCI modules can be used in the chassis Compliant with PXI specifications the internal 10MHz reference clock is available on all of the 7 PXI slots as well as the star trigger functions PXI trigger bus and PXI local bus The Model KPXI SYS 8 400 is equipped with an industrial grade 400W ATX power supply to provide reliable and cost effective power to the system The status of system power supply temperature and cooling fans are monitored by the alarm module assembled in the chassis Once a failure is detected a LED and buzzer will be actuated The failure fans can be removed from th
33. ully timed sequences of operations performed on other modules in the system Modules can pass triggers to one another through trigger bus allowing precisely timed responses to asynchronous external events the system is monitoring or controlling System reference clock The Model KPXI SYS 14 500 supplies the PXI 10MHz system clock signal PXI CLK10 independently to every peripheral slot An independent buffer having a source impedance matched to the backplane and a skew of less than 1ns between slots drives the clock signal to each peripheral slot Users can use this common reference clock signal to synchronize multiple modules in a measurement or control system KPXI SYS 8 400 Star trigger slot The Star Trigger ST slot is Slot 2 This slot has a dedicated trigger line between itself and slots 3 8 is intended for modules with ST functionality that can provide individual triggers to the peripherals Peripheral slots There are 7 peripheral slots including the Star Trigger controller slot Trigger bus Model KPXI SYS 8 400 has a PXI trigger bus Users can use triggers to synchronize the operation of several different PXI peripheral modules or use one module to control carefully timed sequences of operations performed on other modules in the system Modules can pass triggers to one another through trigger bus allowing precisely timed responses to asynchronous external events the system is monitoring or controlling 3 4 Return to Sec
34. universal One system slot and 17 input peripheral slots PXI specifications Rev 2 0 compliant IEEE 1101 10 mechanical packaging compliant Filtered forced air cooling Temperature voltage and fan monitoring LED 4U high rackmount and bench top installation Two PXI to PXI bridges KPXI SYS 18 460X2 Accepts both 3U PXI and CompactPCI 500W ATX power supply modules One system slot and 13 peripheral slots PXI specifications Rev 2 2 compliant IEEE 1101 10 mechanical packaging KPXI SYS 14 500 compliant Filtered forced air cooling Temperature voltage and fan monitoring LED 4U high rackmount and bench top installation Removable Fan Temperature Voltage and Fan Monitoring LED KPXI SYS 900 01 Rev A January 2007 Return to Section Topics 1 3 Section 1 Introduction KPXI 3U Instrument Chassis User s Manual Table 1 1 continued Features Model Features Power supply Accepts both PXI and CompactPCl 400W ATX power modules One system slot and 7 peripheral slots PXI specifications Rev 2 0 compliant EEE 1101 10 mechanical packaging compliant Filtered forced air cooling Temperature voltage and fan monitoring LED 4U high rackmount and bench top installation Accepts both 3U PXI and CompactPCI Modular AC or DC 250W modules power supply One system slot and 5 PXI CompactPCI peripheral sl
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