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1. 42 VM7510 Programming www vxitech com STATus QUEStionable E VE Nt Purpose Queries the Questionable Status Event Register Type Required SCPI command Command Syntax None query only Command Parameters N A RST Value N A Query Syntax STATus QUEStionable EVENt Query Parameters None Query Response 0 Description The Questionable Status Event Register is provided for SCPI compliance only The VM7510 does not alter the bits in this register and queries always report a 0 Examples Command Query Response Description STAT QUES 0 Related Commands None VM7510 Programming VXI Technology Inc SYSTem ERRor Purpose Queries the Error Queue Type Required SCPI command Command Syntax None query only Command Parameters N A RST Value N A Query Syntax SYSTem ERRor Query Parameters None Query Response ASCII string Description The System Error query is used to retrieve error messages from the error queue The error queue will maintain the two error messages If additional errors occur the queue will overflow and the second and subsequent error messages will be lost In the case of an overflow an overflow message will replace the second error message See the SCPI standard Volume 2 Command Reference for details on errors and reporting them Refer to the Error Messages section of this manual for specific d
2. 12 VM7510 Introduction www vxitech com SPECIFICATIONS INSERTION Loss 100 MHz lt 0 2 dB 500 MHz lt 0 5 dB ISOLATION 10 MHz lt 80 dB 100 MHz lt 70 dB 500 MHz lt 65 dB VSWR 100 MHz lt 1 2 1 OUTPUT VOLTAGE 1 000 V 0 000 V or 1 000 V into a high impedance load 0 500 V 0 000 V or 0 500 V into a 50 Q load OUTPUT IMPEDANCE 500 OUTPUT DRIVE gt 100 mA OUTPUT ACCURACY 100 uV all output settings into high impedance OUTPUT ADJUSTMENT 5 0 mV all output settings into high impedance Front panel accessible multi turn potentiometer TEMPERATURE STABILITY 25 ppm C LONG TERM STABILITY 50 ppm yr VM7510 Introduction 13 VXI Technology Inc 14 VM7510 Introduction www vxitech com SECTION 2 PREPARATION FOR USE INSTALLATION When the VM7510 is unpacked from its shipping carton the contents should include the following items 1 VM7510 DC Reference Standard 1 VM7510 DC Reference Standard User s Manual this manual The packaging and the VMIP carrier should be immediately inspected for damage upon receipt of the unit The chassis mainframe should be checked to ensure that it is capable of providing adequate power and cooling for the VM7510 Once the chassis is found adequate the VM7510 s logical address and the backplane jumpers of the chassis should be configured prior to the VM7510 s installation Afte
3. P Technology VM7510 DC REFERENCE STANDARD USER S MANUAL P N 82 0113 000 Released November 7 2005 VXI Technology Inc 2031 Main Street Irvine CA 92614 6509 949 955 1894 www vxitech com TABLE OF CONTENTS INTRODUCTION Tableof Contents EE 3 CEM CALL ON ee dE fase la ieee ee ele 5 Warrants 5 Eimitation o Ma dd ed a dd de o ee ln de od e 5 Restricted Rights Le send ii A ee Eta 5 Declaration of Conformity csn peinner onran E n a EE E E REEE E E REEE A 6 GeneralsSafety Instructons ae eege Eege Eege 7 KE E KEE 7 Ke EE H sell nn dE 9 SECTION AAA O a esT es Eae e ioe ie aE SEE ET a 11 are e le 11 OVELVICW i Art e ata Let a Alten oe e at be 11 Specifications cic wk re oe ees oe SO SE Rs 13 SECTION KE 15 Preparation for Uses eier waked gees ee ee aoe oie Regen wee ed Ra 15 Installation ETA Sate RIG A ain a IA Ea 15 Calculating System Power and Cooling Requirements ooooonnncocnnonnnoncnoncnononnnonnnonn non nono nonn ron rro nn nr nn nn rn nn nn nnrn rra 15 Setting the Chassis Backplane Jumpers 16 Setting the Logical Address ees A ee es Shoots Lack wie Retake geed eeler 16 A O NO 17 SAA NO 17 Introduction aia 17 A abtasaba AA T A esa doanesesamnategenteveessatt 17 ele e EE 18 Alphabetical Command LAS a a ee Bess i an cee estou cee ha Sie Re tes 18 Command Dictionary zinean ee Hs eh e eee Sg ee ERS 20 IEEE 488 2 Common Command dead 21 O EE 21 MEO Ment A Mola aa a a ll Ta TA Mn Do 22 ME OR dd a
4. If dynamic address configuration is desired the address switch should be set for a value of 255 all switches set to ON Upon power up the slot 0 resource manager will assign the first available logical addresses to each instrument in the VMIP module 16 VM7510 Command Dictionary www vxitech com SECTION 3 PROGRAMMING INTRODUCTION This section presents the instrument command set It includes an alphabetical list of all the commands supported by the VM7510 divided into three sections IEEE 488 2 commands the instrument specific SCPI Standard Commands for Programmable Instruments commands and the required SCPI commands Each command has a brief description of its function indicates if its value are affected by the RST command and provides its default value Each command is described in detail one per page The description is presented in a regular didactic manner to assist the user in the use of each command Every command entry describes the exact command and query syntax the use and range of parameters and a complete description of the command s purpose PROGRAMMING The VM7510 is a VXIbus message based device whose command set is compliant with the SCPI programming language SCPI is a tree structured language based on IEEE STD 488 2 specifications Based on this structure the IEEE STD 488 2 standard and device dependent commands may have multiple branches from a trunk without repeating the trunk To use th
5. VXI Technology Inc ESE Sets the bits of the Event Status Enable Register IEEE 488 2 Common Command ESE lt mask gt lt mask gt numeric ASCII value from 0 to 255 N A ESE None Numeric ASCII value from 0 to 255 The Event Status Enable command is used to set the bits of the Event Status Enable Register See ANSI IEEE 488 2 1987 section 11 5 1 for a complete description of the ESE register A value of in a bit position of the ESE register enables generation of the ESB Event Status Bit in the Status Byte by the corresponding bit in the ESR If the ESB is set in the SRE register then an interrupt will be generated See the ESR command for details regarding the individual bits The ESE register layout is Bit 0 Operation Complete Bit 1 Request Control not used in the VM7510 Bit 2 Query Error Bit 3 Device Dependent Error not used in the VM7510 Bit 4 Execution Error Bit 5 Command Error Bit 6 User Request not used in the VM7510 Bit 7 Power On The Event Status Enable query reports the current contents of the Event Status Enable Register Command Query Response Description ESE 36 ESE 36 Returns the value of the event status enable register ESR VM7510 Programming www vxitech com ESR Purpose Type Command Syntax Command Parameters RST Value Query Syntax Query Parameters Query Response Description
6. removes any thermal offsets in the calibration cabling 7 Using the soft front panel select the DC Reference as the input source and select POS as the reference output Adjust R3 on the VM7510 front panel for as close to 1 000000 V as possible Then select the reference output to NEG and adjust R7 on the front panel for as close to 1 000000 V as possible Note that the R3 will affect the NEG output voltage but R7 will not affect the POS output Now select ZERO for the reference output and adjust R10 on the front panel to as close to 0 000000 V as possible The VM7510 is now calibrated VM7510 Calibration 47 VXI Technology Inc 48 VM7510 Calibration www vxitech com INDEX Symbols L I I AE 36 logical Address eegene eege dEr 15 16 M message based 17 P parameter 18 e 17 A sensation SEA edd ESA SEA 15 programming oo eee eeeceeceseeseeeeceeceeeseeeceaeeneeeseeeceaeeneeeeees 17 B programming Janguage 17 Backplane iia raid R backplane jumpers EE ER block diagram nessieira eiei ar BOUN C S SOURce ROUTE irinari inani 19 35 Specification Senai iieii iiir KEE E E gEen 13 STATus OPERanon CON Dugem 37 STATus OPERation ENABle 38 age 17 STATusOpPbRanonl EVEN 39 Ee SZ STATUS EE 40 EE TEE STATus QUEStionable CONDition WE D STATus QUEStionable ENABIe 4 STATus QUEStionable EVENt 43 declaration of conforme 6 Support TESQUICES iapa r E EENE E 9 defaul
7. Parameters Describes the parameters sent with the command and their legal range Reset Value Describes the values assumed when the RST command is sent Query Syntax Details the exact query form of the command Query Parameters Describes the parameters sent with the command and their legal range The default parameter values are assumed the same as in the command form unless described otherwise Query Response Describes the format of the query response and the valid range of output Description Describes in detail what the command does and refers to additional sources Examples Present the proper use of each command and its query when available Related Commands Lists commands that affect the use of this command or commands that are affected by this command 20 VM7510 Programming www vxitech com IEEE 488 2 COMMON COMMANDS CLS Purpose Clears the Status Register Type IEEE 488 2 Common Command Command Syntax CLS Command Parameters None RST Value RST performs all the functions of CLS Query Syntax None command only Query Parameters N A Query Response N A Description This command clears all event registers clears the OPC flag and clears all queues except the output queue Examples Command Quer Response Description ACLS Clears all status and event registers Related Commands None VM7510 Programming 21
8. Related Commands Queries and clears the Standard Event Status Register IEEE 488 2 Common Command None query only N A N A ESR None Numeric ASCII value from 0 to 255 The Event Status Register query queries and clears the contents of the Standard Event Status Register This register is used in conjunction with the ESE register to generate the ESB Event Status Bit in the Status Byte The layout of the ESR is Bit 0 Operation Complete Bit 1 Request Control not used in the VM7510 always 0 Bit 2 Query Error Bit 3 Device Dependent Error not used in the VM7510 always 0 Bit 4 Execution Error Bit 5 Command Error Bit 6 User Request not used in the VM7510 always 0 Bit 7 Power On The Operation Complete bit is set by the VM7510 when it receives an OPC command The Query Error bit is set when data is over written in the output queue This could occur if one query is followed by another without reading the data from the first query The Execution Error bit is set when an execution error is detected See the section in the manual covering Error Messages for a list of execution error Errors that range from 200 to 299 are execution errors The Command Error bit is set when a command error is detected See the section in this manual covering Error Messages for a list of command errors Errors that range from 100 to 199 are command errors The Power On bit is set whe
9. UMENT SPECIFIC SCPI COMMANDS CALibration SECure CODE Purpose Sets the calibration security password Type Setting Command Syntax CALibration SECure CODE lt string gt BR Ont ER eee lt string gt the code string can be from 1 to 15 ASCII characters in length entered in TEEE 488 2 definite or indefinite length arbitrary block format RST Value N A Query Syntax CALibration SECure CODE lt string gt Query Parameters N A Query Response Returns the set value of the lt string gt parameter Description The Calibration Security Code command sets the code required to disable calibration security Calibration security must first be disabled before the code can be changed Before shipping the instrument the factory code setting is VM7510 Examples Command Query Response Description CAL SEC CODE 16VM7510 Sets the factory code setting of VM7510 Related Commands CALibration SECure STATe 32 VM7510 Programming www vxitech com CALibration SECure STATe Enable or disable the calibration security Setting CALibration SECure STATe lt boolean gt lt string gt lt boolean gt 0 1 OFF ON lt string gt the code string can be from 1 to 15 ASCII characters in length entered in IEEE 488 2 definite or indefinite length arbitrary block format lt boolean gt 1 CALibration SECure STATe N A oji The module powers up w
10. Visit http www vxitech com for worldwide support sites and service plan information VM7510 Preface VXI Technology Inc 10 VM7510 Preface www vxitech com SECTION 1 INTRODUCTION OVERVIEW The VM7510 is a precision de voltage standard which is designed to be used in conjunction with the VM2601 digitizer The VM7510 provides a precision 0 5 V signal which can be used to calibrate the VM2601 beyond its native accuracy specification Additionally the VM7510 provides signal routing capabilities which allows the user to select either the measurement input the internal precision de source or an external ac calibration source A block diagram of the M7510 is provided in Figure 1 1 SIGNAL INPUT AC REFERENCE INPUT OUTPUT PROGRAMMABLE DC VOLTAGE STANDARD 50 OHM CONTROL LOGIC FIGURE 1 1 VM7510 BLOCK DIAGRAM VM7510 Introduction 11 WE E Technology 00 ACC ERR FAIL VM2601 see the VM2601 User s Manual for front panel connector information O O O O O O 00 ACC ERR FAIL R3 fos Ji O R7 0 NEG VM7510 A8 CH no FRO 330 VXI Technology Inc AC Reference In Signal Input Output The multi tum potentiometers at R3 R7 and R10 are used to adjust the signal from the output connector J3 See the Calibration section for more information FIGURE 1 2 FRONT PANEL LAYOUT
11. causes a trigger event to occur This command is not used for this module and is provided for SCPI compliance only Command Query Response Description TRG Triggers an event None VM7510 Programming 29 VXI Technology Inc TST Causes a self test procedure to occur and queries the result IEEE 488 2 Common Command None query only N A N A TST None Numeric ASCII value The Self Test query causes the VM7510 to run its self test procedures and report on the results A value of 0 indicates that the test passed Command Query Response Description TST 0 Begins the self test procedure returns the result None 30 VM7510 Programming www vxitech com WAI Halts execution of commands and queries until the No Operation Pending message is true IEEE 488 2 Common Command WAI None N A None N A N A The Wait to Continue command halts the execution of commands and queries until the No Operation Pending message is true This command makes sure that all previous commands have been executed before processing It provides a way of synchronizing the module with its master Command Query Response Description NA Pauses the execution of additional commands until the No Operation Pending message is true 4OPC VM7510 Programming 31 VXI Technology Inc INSTR
12. cing unauthorized modification or misuse operation outside the environmental specifications for the product or improper site preparation or maintenance VXI Technology Inc shall not be liable for injury to property other than the goods themselves Other than the limited warranty stated above VXI Technology Inc makes no other warranties express or implied with respect to the quality of product beyond the description of the goods on the face of the contract VTI specifically disclaims the implied warranties of merchantability and fitness for a particular purpose RESTRICTED RIGHTS LEGEND Use duplication or disclosure by the Government is subject to restrictions as set forth in subdivision b 3 i1 of the Rights in Technical Data and Computer Software clause in DFARS 252 227 7013 VXI Technology Inc 2031 Main Street Irvine CA 92614 6509 U S A VM7510 Preface 5 VXI Technology Inc DECLARATION OF CONFORMITY Declaration of Conformity According to ISO IEC Guide 22 and EN 45014 MANUFACTURER S NAME VXI Technology Inc MANUFACTURER S ADDRESS 2031 Main Street Irvine California 92614 6509 PRODUCT NAME DC Reference Standard MODEL NUMBER S VM7510 PRODUCT OPTIONS All PRODUCT CONFIGURATIONS All VXI Technology Inc declares that the aforementioned product conforms to the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 366 EEC inclusive 93 68 EEC and carries the CE mark accord
13. d by IEEE 488 2 section 11 3 2 3 Bit 0 Latch Event Bit 1 Unused Bit 2 Error Queue Has Data Bit 3 Questionable Status Summary not used Bit 4 Message Available Bit 5 Event Status Summary Bit 6 Master Summary Status Bit 7 Operation Status Summary Command Quer Response Description SRE 4 Sets the service request enable register ASRE 4 Returns the value of the SRE register STB VM7510 Programming 27 VXI Technology Inc STB Queries the Status Byte Register IEEE 488 2 Common Command None query only N A N A STB None Numeric ASCII value from 0 to 255 The Read Status Byte query fetches the current contents of the Status Byte Register See the IEEE 488 2 specification for additional information regarding the Status byte Register and its use The layout of the Status Register is Bit 0 Latched Event Bit 1 Unused Bit 2 Error Queue Has Data Bit 3 Questionable Status Summary not used Bit 4 Message Available Bit 5 Event Status Summary Bit 6 Master Summary Status Bit 7 Operation Status Summary Command Query Response Description STB 16 Queries the Status Byte Register None 28 VM7510 Programming www vxitech com TRG Causes a trigger event to occur IEEE 488 2 Common Command TRG None N A None N A N A The Trigger command
14. e query will return a 1 to the output queue when all pending operations have completed Command Query Response Description OPC Sets the OPC bit in the Event Status Register OPC 1 Returns the value of the Event Status Register ANAI VM7510 Programming 25 VXI Technology Inc RST Resets the module s hardware and software to a known state IEEE 488 2 Common Command RST None N A None N A N A The Reset command resets the module s hardware and software to a known state See the Alphabetical Command Listing at the beginning of this chapter for the default parameter values set by this command Command Query Response Description RST Resets the module None 26 VM7510 Programming www vxitech com SRE Set the service request enable register IEEE 488 2 Common Command SRE lt mask gt lt mask gt numeric ASCII value from 0 to 255 None Required parameter SRE None Numeric ASCII value from 0 to 255 The service request enable mask is used to control which bits in the status byte generate back plane interrupts If a bit is set in the mask that newly enables a bit set in the status byte and interrupts are enabled the module will generate a REQUEST TRUE event via an interrupt See the STB Command for the layout of bits Note Bit 6 is always internally cleared to zero as require
15. equipment or loss of data These symbols may appear on the product ATTENTION Important safety instructions Frame or chassis ground placed in accordance with EN 50419 Marking of electrical and electronic equipment in accordance with Article 11 2 of Directive 2002 96 EC WEEE End of life product can be returned to VTI by obtaining an RMA number Fees for take back and recycling will apply if not prohibited by national law Y Indicates that the product was manufactured after August 13 2005 This mark is RS Follow these precautions to avoid injury or damage to the product Use Proper Power Cord To avoid hazard only use the power cord specified for this product Use Proper Power Source To avoid electrical overload electric shock or fire hazard do not use a power source that applies other than the specified voltage Use Proper Fuse To avoid fire hazard only use the type and rating fuse specified for this product VM7510 Preface WARNINGS CONT Avoid Electric Shock Ground the Product Operating Conditions Improper Use A VXI Technology Inc To avoid electric shock or fire hazard do not operate this product with the covers removed Do not connect or disconnect any cable probes test leads etc while they are connected to a voltage source Remove all power and unplug unit before performing any service Service should only be performed by qualified personnel This product is grounded through the groundin
16. etails regarding the reported errors Examples Command Query Response Description SYST ERR 310 System error Unrecognized MUX setting Related Commands None 44 VM7510 Programming www vxitech com SYSTem VERSion Purpose Queries the SCPI version number to which the VM7510 complies Type Required SCPI command Command Syntax None query only Command Parameter N A RST Value N A Query Syntax SYSTem VERSion Query Parameters None Query Response Numeric ASCII value Description The System Version query reports version of the SCPI standard to which the VM7510 complies Examples Command Query Response Description SYST VERS 1994 0 Related Commands None VM7510 Programming 45 VXI Technology Inc ERROR MESSAGES Should an error occur while commands are being sent to the VM7510 the following error messages may appear These messages are in compliance with SCPI standards and can be retrieved by using the SYSTem ERRor query 101 Invalid character Internal error please contact factory 109 Missing Parameter value 160 Block data error Block length was non numeric 160 Block data error Character after wasn t a digit 161 Invalid block data Expected more data than what was supplied 200 Execution error Failed reading EEPROM 200 Execution error Failed writing EEPROM 203 Command protected Can t change securit
17. g conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground To avoid injury electric shock or fire hazard Do not operate in wet or damp conditions Do not operate in an explosive atmosphere Operate or store only in specified temperature range Provide proper clearance for product ventilation to prevent overheating DO NOT operate if any damage to this product is suspected Product should be inspected or serviced only by qualified personnel The operator of this instrument is advised that if the equipment is used in a manner not specified in this manual the protection provided by the equipment may be impaired Conformity is checked by inspection VM7510 Preface www vxitech com SUPPORT RESOURCES Support resources for this product are available on the Internet and at VXI Technology customer support centers VXI Technology World Headquarters VXI Technology Inc 2031 Main Street Irvine CA 92614 6509 Phone 949 955 1894 Fax 949 955 3041 VXI Technology Cleveland Instrument Division 5425 Warner Road Suite 13 Valley View OH 44125 Phone 216 447 8950 Fax 216 447 8951 VXI Technology Lake Stevens Instrument Division VXI Technology Inc 1924 203 Bickford Snohomish WA 98290 Phone 425 212 2285 Fax 425 212 2289 Technical Support Phone 949 955 1894 Fax 949 955 3041 E mail support vxitech com
18. he Operation Status Condition Register Type Required SCPI command Command Syntax None query only Command Parameters N A RST Value N A Query Syntax STATus OPERation CONDition Query Parameters None Query Response 0 Description The Operation Status Condition Register query is provided for SCPI compliance only The VM7510 does not alter the state of any of the bits in this register and always reports a 0 Examples Command Quer Response Description STAT OPER COND 0 Related Commands None VM7510 Programming 37 VXI Technology Inc STATus OPERation ENABle Purpose Sets the Operation Status Enable Register Type Required SCPI command Command Syntax STATus OPERation ENABle lt NRf gt Command Parameters lt NRf gt numeric ASCII value from 0 to 32767 RST Value NRf must be specified Query Syntax STATus OPERation ENABle Query Parameters None Query Response Numeric ASCII value from 0 to 32767 Description The Operation Status Enable Register is included for SCPI compatibility and the VM7510 does not alter any of the bits in this register The register layout is as follows Bit 0 Calibrating Bit 1 Setting Bit 2 Ranging Bit 3 Sweeping Bit 4 Measuring Bit 5 Waiting for trigger Bit 6 Waiting for arm Bit 7 Correcting Examples Command Quer Response Description STAT OPER ENAB O 0 Related Com
19. ingly The product has been designed and manufactured according to the following specifications SAFETY EN61010 2001 EMC EN61326 1997 w A1 98 Class A CISPR 22 1997 Class A VCCI April 2000 Class A ICES 003 Class A ANSI C63 4 1992 AS NZS 3548 w A1 8 A2 97 Class A FCC Part 15 Subpart B Class A EN 61010 1 2001 The product was installed into a C size VXI mainframe chassis and tested in a typical configuration I hereby declare that the aforementioned product has been designed to be in compliance with the relevant sections of the specifications listed above as well as complying with all essential requirements of the Low Voltage Directive November 2005 bi Ne a Steve Mauga QA Manager 6 VM7510 Preface www vxitech com GENERAL SAFETY INSTRUCTIONS Review the following safety precautions to avoid bodily injury and or damage to the product These precautions must be observed during all phases of operation or service of this product Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the product Service should only be performed by qualified personnel TERMS AND SYMBOLS WARNINGS These terms may appear in this manual WARNING Indicates that a procedure or condition may cause bodily injury or death CAUTION Indicates that a procedure or condition could possibly cause damage to
20. is facility terminate each branch with a semicolon As an example CONDition ENABle and EVENt are all branches off the STATus OPERation trunk and can be combined as follows STATus 0PERation C ONDition E NABle lt NRf gt EVE Nt The above command is the same as the three commands STATus OPERation CONDition STATus 0PERation ENABle STATus OPERation EVENt All module commands are sent over the VXIbus backplane to the module Commands may be in upper lower or mixed case All numbers are sent in ASCII decimal unless otherwise noted See Standard Commands for Programmable Instruments SCPI Volume 1 Syntax amp Style Section 6 for more information VM7510 Programming 17 NOTATION VXI Technology Inc The SCPI commands in this section are listed in upper and lower case to indicate different forms of the same command Keywords may have both a short form and a long form some commands however only have one form The short form utilizes the uppercase keyword characters The long form uses both the uppercase and lowercase keyword characters Either form is acceptable Note however that there are no intermediate forms All characters from the short and long form of the command must be used Short forms and long forms may be freely intermixed The actual commands sent can be in uppercase lowercase or the cases may be mixed case is only used to distinguish short and long form for the user As an example these commands are al
21. ith the secure state enabled While security is on no stores to non volatile memory are allowed This command turns the state on or off In order to disable the security state the current security code must be supplied To turn on security code does not need to be supplied If it is supplied the code is checked The security code must be supplied in IEEE 488 2 definite or indefinite length arbitrary block format personnel Changing these values incorrectly can cause the A Calibration commands should only be executed by qualified instrument to perform improperly Command Query Response Description CAL SEC STAT OFF 46VM7510 Disables calibration security CAL SEC STAT 1 CAL SEC STAT Turns the calibration security back on 1 Indicates that calibration security is enabled CAL ibration SECure CODE VM7510 Programming 33 VXI Technology Inc DOWNLOAD Purpose Loads firmware updates into a module Type Event Command Syntax DOWNLOAD lt section gt HNN ewe lt section gt 0 1 2 3 0 is for the VMIP base code 1 is for the module in the top position 2 is for the module in the middle position 3 is for the module in the bottom position RST Value N A Query Syntax N A Query Parameters None Query Response N A Description Firmware for VMIP cards is stored in FLASH memory which can be updated in the field Each card has at least 4 separate areas where firmwa
22. l correct and all have the same effect CALibration SECure CODE lt string gt CALibration SECure CODE lt string gt calibration secure code lt string gt CAL SECure CODE lt string gt CAL SEC CODE lt string gt cal sec code lt string gt The following command is not correct because it includes characters in addition to those used in the short form of CALibrate calib sec code lt string gt incorrect syntax additional ib only cal or calibration is correct All of the SCPI commands also have a query form unless otherwise noted Query forms contain a question mark The query form allows the system to ask what the current setting of a parameter is The query form of the command generally replaces the parameter with a question mark Query responses do not include the command header This means only the parameter is returned no part of the command or question is returned Keywords or parameters enclosed in square brackets are optional If the optional part is a keyword the keyword may be included or omitted Omitting an optional parameter will cause its default to be used Parameters are enclosed by angle brackets lt gt Braces or curly brackets are used to enclose one or more parameters that may be included zero or more times A vertical bar read as or is used to separate parameter alternatives ALPHABETICAL COMMAND LISTING The following tables provide an alphabetical listing of each co
23. mands None 38 VM7510 Programming www vxitech com STATus OPERation E VE Nt Purpose Queries the Operation Status Event Register Type Required SCPI command Command Syntax None query only Command Parameters N A RST Value N A Query Syntax STATus OPERation EVENt Query Parameters None Query Response 0 Description The Status Operation Event Register query is included for SCPI compliance The VM7510 does not alter any of the bits in this register and always reports a 0 Examples Command Query Response Description STAT OPER Related Commands None VM7510 Programming VXI Technology Inc STATus PRESet Purpose Presets the Status Registers Type Required SCPI command Command Syntax STATus PRESet COIE None RST Value N A Query Syntax None command only Query Parameters N A Query Response N A Description The Status Preset command presets the Status Registers The Operational Status Enable Register is set to 0 and the Questionable Status Enable Register is set to 0 This command is provided for SCPI compliance only Examples Command Query Response Description STAT PRES Presets the Status Registers Related Commands None 40 VM7510 Programming www vxitech com STATus QUEStionable CONDition Purpose Queries the Questionable Status Condition Register Type Required SCPI co
24. mmand Command Syntax None query only Command Parameters N A RST Value N A Query Syntax STATus QUEStionable CONDition Query Parameters None Query Response 0 Description The Questionable Status Condition Register query is provided for SCPI compliance only The VM7510 does not alter any of the bits in this register and a query always reports a 0 Examples Command Query Response Description STAT QUES COND 0 Related Commands None VM7510 Programming 41 VXI Technology Inc STATus QUEStionable ENABle Purpose Sets the Questionable Status Enable Register Type Required SCPI command Command Syntax STATus QUEStionable ENABle lt NRf gt Command Parameters lt NRf gt numeric ASCII value from 0 to 32767 RST Value NRf must be supplied Query Syntax STATus QUEStionable ENABle Query Parameters None Query Response Numeric ASCII value from 0 to 32767 Description The Status Questionable Enable command sets the bits in the Questionable Status Enable Register This command is provided only to comply with the SCPI standard The Status Questionable Enable query reports the contents of the Questionable Status Enable Register The VM7510 does not alter the bit settings of this register and will report the last programmed value Examples Command Query STAT QUES ENAB 64 STAT QUES ENAB 64 Related Commands None
25. mmand supported by the VM7510 along with a brief description If an X is found in the column titled RST then the value or setting controlled by this command is possibly changed by the execution of the RST command If no X is found then RST has no effect The default column indicates the value of each command s setting when the unit is powered up or when a RST command is executed In order for CALibration commands queries to be executed calibration security must be turned off If security is not turned off a 203 Command protected Can t query security code with secure state on error will be returned See the CALibration SECure CODE command for information on calibration security 18 VM7510 Programming www vxitech com TABLE 3 1 IEEE 488 2 COMMON COMMANDS Command Description CLS Clear the Status Register ESE Sette Event Sins Enable Regis O N A ESR Query the Standard Event Status Register N A IDN Query the module identification string LL NA OPC 0 RST Reset the module to a known state N A SRE Set the service request enable reis _ N A STB Query the Status Byte Register LL N A TRG Causes atriggereventtooccur NA TST Starts and reports a self test procedure NA WAI Halts execution and queries N A TABLE 3 2 INSTRUMENT SPECIFIC SCPI COMMANDS Command Description RST RST Value CALibration SECure CODE Sets the calibrati
26. n the module is first powered on or after it receives a reset via the VXI Control Register Once the bit is cleared by executing the ESR command it will remain cleared Examples Command Query Response Description ESR 4 ESE VM7510 Programming 23 VXI Technology Inc IDN Queries the module for its identification string IEEE 488 2 Common Command None query only Pa N A R N A 0 IDN Q None Q po ASCII character string De The Identification query returns the identification string of the VM7510 module The response is divided into four fields separated by commas The first field is the manufacturer s name the second field is the model number the third field is an optional serial number and the fourth field is the firmware revision number If a serial number is not supplied the third field is set to 0 zero Command Query Response Description HDN VXI Technology Inc VM7510 0 1 0 The revision listed here is for reference only the response will always be the current revision of the instrument R None 24 VM7510 Programming www vxitech com OPC Sets the OPC bit in the Event Status Register IEEE 488 2 Common Command OPC None N A OPC None 1 The Operation Complete command sets the OPC bit in the Event Status Register when all pending operations have completed The Operation Complet
27. on security password CALibration SECure STATe Sets or clears the security state of the instrument Secure DOWNLOAD Loads firmware updates into a module SOURce ROUTe ROUTe Selects the signal to route to the output x Ground VOLTage LEVel LEVel Selects the de reference output voltage Zero TABLE 3 3 SCPI REQUIRED COMMANDS Command RST Value STA Tus OPERation CONDition STATus OPERation ENABle STATus OPERation EVENt STATus PRESet Description Query the Operation Status Condition Register Sets ie Operation Siu Enable Register x Query the Operation Status Event Register X STATus QUEStionable ENABIe STATus QUEStionable ENABle__ Sets the Questionable Status Enable Register X STATus QUEStionable EVENt Query the Questionable Status Event Register X SYSTem ERRor Query the Error Queue Wa Clears queue SYSTem VERSion Query the version of the SCPI standard to which N A module complies VM7510 Programming 19 VXI Technology Inc COMMAND DICTIONARY The remainder of this section is devoted to the actual command dictionary Each command is fully described on its own page In defining how each command is used the following items are described Purpose Describes the purpose of the command Type Describes the type of command such as an event or setting Command Syntax Details the exact command format Command
28. positions 1 through 8 and with an ON position A switch pushed toward the ON legend will signify a logic 1 switches pushed away from the ON legend will signify a logic 0 The switch located at position 1 is the least significant bit while the switch located at position 8 is the most significant bit See Figure 2 1 for examples of setting the logical address switch on N SE SE osition alue AAUABEAA dadd 12345678 12345678 1 1 SET TO 4 SETTO 8 2 2 3 4 4 8 ON ON 5 16 AAAWAW AU JOAN 6 32 12345678 12345678 7 64 SET TO 168 SET TO 255 8 128 Dynamic FIGURE 2 1 LOGICAL ADDRESS SWITCH SETTING EXAMPLES The VMIP may contain three separate instruments and will allocate logical addresses as required by the VXIbus specification revisions 1 3 through 3 0 The logical address of the instrument is set on the VMIP carrier The VMIP logical addresses must be set to an even multiple of 4 unless dynamic addressing is used As a result switch positions 1 and 2 must always be set to the OFF position unless dynamic address configuration is used Addresses of 4 8 12 16 252 are the only permissible addresses The address switch should be set for one of these legal addresses and the address for the second instrument the instrument in the center position will automatically be set to the switch set address plus one while the third instrument the instrument in the lowest position will automatically be set to the switch set address plus two
29. r the chassis is assessed to be in good condition it may be installed into an appropriate C size or D size VXIbus chassis in any slot other than slot zero CALCULATING SYSTEM POWER AND COOLING REQUIREMENTS The power and cooling requirements of the VM7510 are given in the Specifications section of Section 1 of this manual It is imperative that the chassis provide adequate power and cooling for this module Referring to the chassis User s Manual confirm that the power budget for the system the chassis and all modules installed therein is not exceeded and that the cooling system can provide adequate airflow at the specified backpressure It should be noted that if the chassis cannot provide adequate power to the module the instrument might not perform to specification or possibly not operate at all In addition if adequate cooling is not provided the reliability of the instrument will be jeopardized and permanent damage may occur Damage found to have occurred due to inadequate cooling will void the warranty on the instrument in question VM7510 Programming 15 VXI Technology Inc SETTING THE CHASSIS BACKPLANE JUMPERS Please refer to the chassis User s Manual for further details on setting the backplane jumpers SETTING THE LOGICAL ADDRESS The logical address of the VM7510 is set by a single 8 position DIP switch located near the module s backplane connectors this is the only switch on the module The switch is labeled with
30. ra da ed a ld ad e o N 23 DN A A Seas 24 FOPO gin o RE dat Dts 25 PST A ae ae eae ein ia es 26 SE a ei tal eelere tege tl AET 27 OS RE 28 MT RG sein ee eege eat A eae A a EE E 29 RH 30 A EENS 31 Instrument Specific SCPI Commandes 32 CALibration SECur CODE ui aa aes 32 CAT 1bration SECure STA TE ada 33 DOWNLOAD o acia 34 SOURce ROUTE ROUTE vocoococi noocoiiciodancidnoni rai od iasidaco cn dEEEN ENEE RRE ENEE EENS SEENEN EEN dECE diia 35 VOL Tage LEVE LEVE 36 VM7510 Preface 3 VXI Technology Inc Required SCP Commands eer eschew aaah ne eee E eo e 37 STATus OPERation CONDItion serein ciiir nesi rna oi E E a E E E E iE a aE 37 STATUus OPERation ENABle innana oeiee cate a i EEEa E R EEE aaie 38 STATus OPERation EVENt eiin an a E a ae AE e E haia nccnnnos 39 STATUS HE TEE 40 STATUS QUESti onable COND iti On aii dad cee cance Eege See conde Seet 41 STATUS QUEStionable ENAB LE cocina dee eege dee llas tatiana 42 STATus QUEStionable EVENEl iii SEENEN EUREN AEN 43 SAUS A dees E Ee 44 DY Oeil VERS RE 45 Ertrag age eege Eeer negt E EE EE dee eege 46 SECTION EE 47 E tee NEE 47 Required Equipment x H c r once A EES EES EEN 47 Epoche ene 30 Ate erer eg ew eh Heke e Eege A Re ae a EEN 47 SAA RN 49 VM7510 Preface www vxitech com CERTIFICATION VXI Technology Inc VTI certifies that this product met its published specifications at the time of shipment from the factory VTI further certifies that its calib
31. ration measurements are traceable to the United States National Institute of Standards and Technology formerly National Bureau of Standards to the extent allowed by that organization s calibration facility and to the calibration facilities of other International Standards Organization members WARRANTY The product referred to herein is warranted against defects in material and workmanship for a period of three years from the receipt date of the product at customer s facility The sole and exclusive remedy for breach of any warranty concerning these goods shall be repair or replacement of defective parts or a refund of the purchase price to be determined at the option of VTI For warranty service or repair this product must be returned to a VXI Technology authorized service center The product shall be shipped prepaid to VTI and VTI shall prepay all returns of the product to the buyer However the buyer shall pay all shipping charges duties and taxes for products returned to VTI from another country VTI warrants that its software and firmware designated by VTI for use with a product will execute its programming when properly installed on that product VTI does not however warrant that the operation of the product or software or firmware will be uninterrupted or error free LIMITATION OF WARRANTY The warranty shall not apply to defects resulting from improper or inadequate maintenance by the buyer buyer supplied products or interfa
32. re is stored This command is used to update one area of the firmware To update a module do the following 1 Obtain the proper HEX file from the factory 2 Send the DOWNLOAD command with the appropriate lt section gt 3 Send each line of the HEX file to the module one line at a time 4 Wait at least 15 seconds after the last line of the HEX file is sent 5 Turn power to the module off 6 Turn power back on and perform normal start up operations If more than one module needs to be updated repeat the procedure for each section to be updated A Improper use of this command can completely disable the instrument NOTE This command can only be used on the module in the top position If there is no module in the top position the command is sent to a dummy application The top module application always has an address that is an integer multiple of 4 Even though the command and the HEX file are always sent to the top module application the module corresponding to the lt section gt is the one that is updated Examples Command Query Response Description DOWNLOAD 1 SO First line of HEX file S8 Last line of HEX file Related Commands None 34 VM7510 Programming www vxitech com SOURce ROUTe ROUTe Purpose Selects the signal to be routed to the output jack Type Setting Command Syntax SOURce ROUTe lt string gt or ROUTe lt string gt OMEN een lt s
33. t parameter ENEE 26 Seed Eege 17 DOWNLOAD suscrita Sieste E Geet 34 SYSTem ERRor 8 dynamic address configuration ccoo 16 SST VERSION wots eer 45 E T error MESSA DOSa eaen nba ie so kaaa aaae aT 46 tree structured language cscsscsssssseessseessseesssseesseeesseeeess 17 F V FLASH MeMry airar nrinn a 34 VO Tase LENA 19 36 front panel iesse de eeben de 12 VXIDUS aa 15 17 I W installation mid pi di 15 AC ee EE EE 7 K keyword DE 18 VM7510 Index 49
34. tring gt SIGnal ACRef DCRef GND RST Value SIG Query Syntax SOURce ROUTe or ROUTe Query Parameters N A Query Response Returns SIG ACR DCR GND Description The SOURce ROUTe route command selects the signal source for the output jack ROUTe can also be used to execute this command Examples Command Query SOUR SIG Selects the Signal input to be routed to the Output jack SOUR SIG Indicates the Signal input is routed to the output jack Related Commands VM7510 Programming 35 VXI Technology Inc VOLTage LEVel LEVel Purpose Sets the dc reference output voltage level Type Setting Command Syntax VOLTage LEVel lt value gt or LEVel lt value gt AEREA lt value gt POSitive NEGative ZERo RST Value N A Query Syntax VOLTage LEVel or LEVel Query Parameters N A Query Response lt value gt POS NEG ZERO Description The VOLTage LEVel command sets the output of the de reference standard to either the positive negative or zero voltage level LEVel can also be used to execute this command Sets the dc reference output to the positive output level POS Indicates the dc reference is set for a positive voltage output Related Commands 36 VM7510 Programming www vxitech com REQUIRED SCPI COMMANDS STATus OPERation C ONDition Purpose Queries t
35. y code with secure state on 203 Command protected Can t query security code with secure state on 221 Settings conflict DOWNLOAD can only be used by the top module 222 Data out of range Valid OPER ENAB values are 0 to 32767 222 Data out of range Valid sections are 0 to 3 223 Too much data Security buffer full 224 Illegal parameter value 310 System error Unrecognized MUX setting 46 VM7510 Programming www vxitech com SECTION 4 CALIBRATION REQUIRED EQUIPMENT The following equipment is required for the VM7510 calibration procedure VXIbus chassis VXI Technology CT 100B or equivalent VXIbus slot 0 controller National Instruments MXI 2 controller or equivalent Desktop Computer PC with Window XP or equivalent 6 Y digit voltmeter Keithley 2000 or equivalent SMB plug to dual banana plug cable Small flat blade screwdriver VM7510 plug amp play drivers and soft front panel PROCEDURE The following procedure can be used to calibrate the VM7510 1 Remove the cables attached to J1 J2 and J3 2 Install the VM7510 into the VXIbus chassis 3 Set the DMM to the 2 V dc range and connect the DMM to J3 of the VM7510 4 Run the resource manager and open the VM7510 soft front panel 5 Allow the setup to stabilize thermally for 30 min 6 Using the soft front panel select ground as the input source and zero the DMM by pressing the relative button on its front panel This

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