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Manual - Astronics Test Systems

1. 4 13 Figure 4 2 Event and Enable Registers and Summary Bit 4 18 Figure 4 3 Status Reporting 4 21 Figure 6 1 Functional Block Diagram For 1261B Chassis se 6 2 Figure 6 2 Enhanced Monitoring System Module Block 6 7 Figure 7 1 Cleaning The Supply Fan 7 3 Figure 7 2 Cleaning The Module Fan 7 4 Figure 7 3 Module Fan Assembly Detail 7 7 Figure 7 4 Aligning The Module Fan 7 8 Figure 7 5 Power Supply Rear View 7 9 Figure 7 6 Removing The Power nne 7 10 Figure 7 7 Monitor System Module Rear 7 11 Figure 7 8 Monitoring System Module Removal and 7 12 Figure 7 9 Removing and Replacing The AC Mains 7 13 Figure 7 10 Card Guide Removal and 7 14 Figure 1 Mainframe Worst Case Sl
2. 3 15 Table 4 1 Default Limit Settings After Power On HH 4 2 Table 4 2 Voltage Condition and Event Register Bit Assignments 4 14 Table 4 3 Current Condition and Event Register Bit Assignments 4 14 Table 4 4 Temperature Condition and Event Register Bit Assignments 4 15 Table 4 5 Fan Speed Condition and Event Register Bit Assignments 4 15 Table 4 6 Time Condition and Event Register Bit Assignments 4 16 Table 4 7 VXI Condition and Event Register Bit Assignments 4 16 Table 4 8 Questionable Condition Register Bit 4 19 Table 4 9 Front Panel Status 4 33 Table 5 1 VXlbus 1261B EMS SCPI Commands List Summary 5 7 Table 5 2 Defaults Minima and 5 10 Table 1 AC Input A 1 Table A 2 DC et A 2 x Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Table 4 Table 4
3. 2 p k eo VIEW A A SEE DETAIL FOR ORIENTATION OF RETAINER MOUNTING IN 9U CHASSIS C ccc CICCO 1 eae Maintenance 7 20 Astronics Test Systems Publication No 980766 Rev B NOTES A A CONNECTION FROM 405095 J54 5100 ITEM 4 AS FOLLOWS 405095 J54 3 5100 1 405095 J54 5 5100 FOR OXIXX MODELS USE ITEM OTY 3 FOR OX2XX MODELS USE ITEM QTY 3 BEFORE INSTALLATION OF ITEM 5 OR SET JUMPER J14 ON ITEM 16 ON COMPONENT SIDE AS FOLLOWS TO 2 3 POSITION FOR OX2XX MODELS 50 TO 1 2 POSITION FOR 0XIXX MODELS 7 PRINT BAR CODE IDENTIFICATION LABEL WITH PERTINENT DATA USING BRADYCODE BAR CODE SOFTWARE AND AFFIX APPROXIMATELY WHERE SHOWN SOFTWARE PART NO 800522 i REOD id REOD 2 9 1261 User Manual UPPER RETAINER DETAIL B 6 2 Astronics Test Systems Maintenance 7 21 1261B User Manual Publication No 980766 Rev B 407374 01111 01112 1261B 7U CHASSIS WITH MONITOR 407374 01211 01212 1261B 9U CHASSIS WITH MONITOR L RACAL INST DESIG P N DESCRIPTION FSC MANUFACTURER S P N 100 602235 SWITCH ROCKER 5 21793 602235 407378 ENCLOSURE ASSY 1261 21793 407378 2 4 4
4. SENSE CURR1 RANGE UPPER 85 6 5Vupperlimit SENSE CURR2 RANGE UPPER 64 2 5 2V upper limit SENSE CURR3 RANGE UPPER 32 1 2M upper limit SENSE CURR4 RANGE UPPER 12 9 24V upper limit SENSE CURR5 RANGE UPPER 12 9 24V upper limit SENSE CURR6 RANGE UPPER 17 0 12V upper limit SENSE CURR7 RANGE UPPER 17 0 12V upper limit Each of these commands has an associated query For example the query SENSE VOLT2 RANGE UPPER Using The Enhanced Monitoring System 4 7 1261B User Manual Programming The Fan Speed Tolerance Limits Programming The Ambient Temperature Tolerance Limits Publication No 980766 Rev B reads the upper current tolerance limit for the 5 2V Power Supply Refer to Table 5 2 for a description of a range of values accepted for this command The fan speeds are monitored to ensure that they are between the upper and lower limits The following commands may be used to set the fan speed tolerance limits SENSE FREQ1 RANGE UPPER 6500 all 3 fans upper limit SENSE FREQ1 RANGE LOWER 2000 all 3 fans lower limit SENSE FREQ2 7220 fan 1 upper limit SENSE 2 LOWER 3120 fan 1 lower limit SENSE FREQ3 RANGE UPPER 6970 fan 2 upper limit SENSE LOWER 2870 f
5. n etus 7 2 NU 7 2 Exterior Cleaning eR aoe eine 7 2 Cleaning The Power Supply Filter iced 7 3 Cleaning The Module Fan 4 124444044004 7 4 Modular Component Removal and Replacement 7 5 Tools THOdHl BO ec coh cM cp AM MAL Mat MAE 7 6 Removal and Replacement of The Module Fan Assembly 7 6 Removal and Replacement of The Power Supply 7 8 Removal and Replacement of The System 7 11 Removal and Replacement of The AC Mains Fuse 7 13 vi Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Removing and Replacing The Card 7 14 Troubleshooting The 1261B uico aeter denk aene cud e tunnel ESOR 7 15 APPENOIK A Ord A 1 SPECIFICATION A eei erp ec eee A 1 PRU ERRORES pP ttn A 1 Append B etas tuta n te Lac B 1 ERROR MESSAGES tiat eats testes etta teret lane B 1 Error 5 6 5
6. S 5 Table A 5 Environmental t t t ett ove tp iet ee A 6 6 d or ER eee e IRE Pee dept cree rms elc A 7 Table A 7 Mechanical EEE ARES AASENS AAE E AE A 7 Table A 8 SMS Monitoring System Specifications A 11 Table A 9 EMS Monitoring System Specifications A 12 Table B 1 Error Messages cres poenas dp Com pae b RR HAY T Dx ERE Rr RES B 2 Astronics Test Systems xi 1261B User Manual Publication No 980766 Rev B DOCUMENT CHANGE HISTORY Revision Date Description of Change Revised per EO 29679 Revised format to current standards Company name revised throughout manual Manual now revision letter controlled Added Document Change History Page xiii Back of cover sheet A 4 15 09 Revised Warranty Statement Return of Product Proprietary Notice and Disclaimer to current standards Removed Chap 8 Information Now appears in first 2 sheets behind cover sheet Updated table of contents to reflect changes made Revised per EO 30125 Specification changes to match datasheet for power supply model CP290 01J P N 407377 100 Parameter Ratings Characteristics B 6 07 10 xii Astronics Test Systems Publication No 980766 Rev B
7. COMMANA m 4 45 4 45 Mer o 4 45 Performing The Self TOSE e ao o neque ER xata 4 45 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual CHADE UU 5 1 SOPIOONMAND BEFEHENGE dne ra T tts 5 1 Whats In This 5 1 Introduction SCPI Language ener e re p Rt nar eua rto cei ER RE up vane E 5 1 Command Keyword Long Form and Short Form 5 2 Case reg n uud Ra Dt ERI E Fn E See idus 5 2 Opti nal KeyWords T T 5 3 Multiple Identical Capabilities and Keyword 5 3 The MIN MAX and DEF 5 4 Querying Parameter Setting rsen quoe aite M spe DH 5 4 Query Response Formal tbe tdt oe do p tipa be Pi b pd beet der et 5 5 SCPI Command Terminator ure ice detuvo dus 5 5 IEEE STD 488 2 Commands coco o e sees n e ne Pie i tee confiado usata 5 5 SCP Parameter Type it ettet ete n tg b e ced Pede beta det eee 5 5 Numeric Parameters xi t ren cee sac ene ER e duin 5 6 Discrete
8. m VXI MONITOR FPGA VXI BUS VXI ASIC TTLTRG Out TTLTRG n Trigger EXT TRG OUT Control EXT TRG IN RS 232 Porl UART ae Fan MUX Select 2 VXI Current MUX Select 3 VXI MUX Select 3 Temperature MUX Select 6 5 2V REF AMBIENT TEMP VXI SLOT TEMP m VX CURRENT SPEED 24V SWITCHED OVER OVER LOAD AC FAIL SYSFAIL 5 BERR IACK1 IACK7 FPGA Data VXI Data Status amp Events Trigger Routing Trigger Microcontroller 8 channel MUX A D SPI EEPROM External ra Keyboard amp Terminal Replies amp Alarms MAX AT MAX AT DATA VOLTAGE DAC TEMP VOLTAGE TEMP Time amp Date Real Time Clock serial Instrument States Alarm 10 Timestamp Char Dot SystemStatus D User Message Display Figure 6 2 Enhanced Monitoring System Module Block Diagram Astronics Test Systems Understanding The 1261B 6 7 1261B User Manual EMS Module System Interconnection EMS Module General Capabilities Understanding The 1261B 6 8 Publication No 980766 Rev B The Enhanced Monitoring System module plugs directly into the slot 0 location on the rear of the 1261B backplane replacing the SMS monitor
9. coda stu es pura datus new B 1 Astronics Test Systems vii 1261B User Manual Publication No 980766 Rev B List of Figures Figure 1 1 1261B Bench 70 00 1 2 Figure 1 2 1261B Rack Mount 90 Tall 1 3 Figure 1 3 Modular Service Friendly Mainframe Design 1 4 Figure 1 4 1261B High Power Pluggable Power Supply 1 5 Figure 1 5 1261B Bench Top Mainframe Positive Pressure Cooling System 1 6 Figure 1 6 1261B Rack Mount Mainframe Positive Pressure Cooling System 1 7 Figure 1 7 1261B System Monitor 1 8 Figure 1 8 Rack Mount and Cable Tray Option 1 9 Figure 2 1 Airflow DIT eCtors errante t een ens ER ur EAD e e Ee etwa i eS 2 3 2 2 Blanking Panels Eta ats iS e d epe 2 4 Figure 2 3 Rack Mount Options Major Components 2 5 Figure 2 4 Slide and Bracket Components 9U Rack Mount Mainframe 2 6 Figure 2 5 Preparing The Mainframe For Rack Mounting 2 7 Figure 2 6 Rear
10. Logic Ground 11 27 29 37 RSV Reserved Operating The 1261B 3 11 1261B User Manual 1412 wv N EF 3413 o vod Operating The 1261B 3 12 Publication No 980766 Rev B Table 3 5 J412 EMS RS 232 Port swa _ TXDA Transmit Data RXDA Received Data Table 3 6 J413 EMS TTL Trigger Connector Pe sms _ TRIG IN TRIG OUT TTL level input signal which is routed to any one of the eight TTLTRIG lines on the VXI backplane with or without a programmable delay applied TTL output signal which is routed from any one of the eight TTLTRIG lines on VXI backplane with or without a programmable delay applied Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Table 3 7 J414 EMS Rear Panel Monitor Signal Description 5V 5V for powering external user circuitry etc 1 A max 12V 12V for powering external user circuitry etc 1 A max 24V 24V for powering external user circuitry etc 1 A max 2414 Tmax Output signal proportional to the maximum absolute temperature of the 13 modules 100 0 V corresponds to 0 C Fan Speed Output signal proportional to the fan Control speed Now A YN OV Minimum fan speed 1V Maximum fan speed 1 TTL outpu
11. RCL Command The RCL command will recall the instrument state from nonvolatile memory The command may specify a nonvolatile memory location from which to recall the instrument state That is both of the following formats are accepted RCL RCL lt location gt If lt location gt is specified it must be in the range to 9 If lt location gt is not specified it will default to 1 The command recalls the following instrument state attributes Upper and or Lower Tolerances For Power Supply Voltages Power Supply Currents Fans speed Ambient Temperature VXI Slot Temperature Rise VXI IACKn count limits VXI BERR count limit Elapsed time Trigger Subsystem Configuration Trigger Delay and Delay Application TRIG IN TRIG OUT connections Front Panel Display Configuration Front Panel Display On Off State User Defined Display Text RS 232 Interface Configuration Baud Rate Parity Data Bits Stop Bits Note that Status Registers Condition Registers Enable Registers and Event Registers NOT affected by the command Using The Enhanced Monitoring System 4 44 Astronics Test Systems Publication No 980766 Rev B SAV Command TRG Command WAI Command Performing The Self Test Astronics Test Systems 1261B User Manual The SAV command will store the present instrument state into nonvolatile memory The SAV command may specify a nonvolatile memory location into w
12. QUES CURR ENABLE 96 Using The Enhanced Monitoring System 4 23 1261B User Manual Publication No 980766 Rev B Enable VXI Slot 7 Temperature Rise 5 Enable Fan 2 Speed AT QUES TEMP ENABLE 128 S AT QUES FREQ ENABLE 4 Enable all bits of the Questionable Enable Register S AT QUES ENABLE 32767 Enable bit 3 of the IEEE 488 2 Status Byte SRE 8 When an interrupt is detected by the system controller it must check to see which condition generated the condition To do this it must 1 Read the Questionable Event Register to see which attribute caused the interrupt Recall that this register is read with the STAT QUES EVENT query If the Voltage Summary bit bit O is set then read the Questionable Voltage Event Register to determine which supply Is out of tolerance The Questionable Voltage Event Register may be read with the STAT QUES VOLT EVENT query If the Current Summary bit bit 1 is set read the Questionable Current Event Register to determine which supply is out of tolerance The Questionable Current Event Register may be read with the STAT QUES CURR EVENT register If the Temperature Summary bit bit 4 is set it must be caused by VXI slot 7 temperature rise since that is the only slot enabled in this example If the Frequency Summary bit bit 5 is set it must be caused by fan 2 since that is the only fan enabled i
13. The EMS module general capabilities are listed below Refer to Section 4 Using the Enhanced Monitor for complete information Monitoring of the voltages produced by 7 VXI power supplies Monitoring of the currents produced by the 7 VXI power supplies Monitoring of the ambient temperature and the temperature within the each of the thirteen VXI slots Monitoring the speed of each of the three module fans Monitoring the VXI Address Strobe AS Bus Error BERR ACFAIL SYSFAIL and Interrupt Acknowledge signals Monitoring the elapsed time since power was turned on power on time both cumulative since shipment and the present total since last power cycle Recording when the last time the VXI Mainframe Filter was serviced and notifying the user when the service period has elapsed and service is suggested Recording when the last time the VXI Mainframe filter was serviced and notifying the user that filter service is due again Routing a External Trigger In signal to one of the TTLTRG lt n gt lines on the VXI backplane A programmable delay may be added to the trigger input before the TTLTRG lt n gt trigger output signal is asserted Astronics Test Systems Publication No 980766 Rev B User Limits On EMS Monitored Parameters Timestamps On EMS Monitored Events EMS Rear Panel Fan Speed Monitor Astronics Test Systems 1261B User Manual e Routing one of the TTLTRG lt n gt lines from the VX
14. sets the upper voltage range for the 2V power supply monitor to its default power on value The MINimum MAXimum and DEFault keywords are accepted for SENSE lt Attribute gt RANGE commands the VXI CONF MON TRIG DELAY command Query the current value of most parameters by adding a question mark to the command For example the following command sets the trigger delay to 0 5 seconds VXI CONF MON TRIG DELAY 0 5 Query the trigger delay by executing VXI CONF TRIG DELAY Astronics Test Systems Publication No 980766 Rev B Query Response Format SCPI Command Terminator IEEE STD 488 2 Common Commands SCPI Parameter Type Astronics Test Systems 1261B User Manual The response to a query depends on the command sent to the instrument to generate the query response In general a response to a query contains present values or settings of the EMS Commands that set values can be queried about their present value of the setting Commands that set modes of operation can be queried about their present mode setting command string sent to the EMS must be terminated with a one of the following 1 An ASCII linefeed character decimal 10 hex C char n 2 The last character with the END bit set to 1 3 An ASCII linefeed character with the END bit set to 1 The END bit for a VXI instrument is analogous to the GPIB line The END bit is
15. 1261B User Manual RST Command Query CLS Command ESE Command Publication No 980766 Rev B The RST command resets the instrument to its power on default state These settings are shown in Table 4 1 of this manual This command does NOT change the value of SCPI or IEEE 488 2 status registers event registers condition registers or enable registers The TST query initiates an instrument self test and returns a reply The reply is a integer numeric value A value of 0 indicates that the self test has passed A non zero value indicates that one of the commanded self tests has failed Consult the Performing the Self Test Section of this chapter for a description of the self test failures and error codes associated The CLS command clears the SCPI and IEEE 488 2 defined status event registers These include the Questionable Voltage Event Register the Questionable Current Event Register and so on This also includes the Standard Event Register see the ESR query description The ESE command sets the value of the Standard Event Status Enable Register The value of this register is logically ANDed with the contents of the Standard Event Status Register see the ESR query description If any bits of this AND operation are set then bit 5 of the Status Byte is set That is bit 5 of Status Byte bit 0 of ESE AND bit 0 of ESR OR bit 1 of ESE AND bit 1 of ESR OR bit 2 of ESE AND bit 2 of ESR
16. A DC voltage proportional to highest temperature rise of any slot 0 1V C is made output to the rear panel monitor connector J410 A voltage proportional to the intake air temperature 0 1V C is also output to this connector The TEMP LED indicates a fault red when the highest slot temperature is gt 75 C or the highest slot temperature rise is gt 20 C All of the VXI voltages of the 1261B are monitored If the absolute voltage value of any of these are not within 10 8 75 of the nominal voltage the front panel VOLTAGE LED shall indicate a fault red When the front panel Power On Standby switch is in the Standby off position the SMS shall indicate a fault when any VXI voltage is gt 0 5 VDC The front panel CURRENT LED indicates a fault red if the current drawn from any power supply output exceeds the rated peak output current by more than 7 The CURRENT LED is green when no fault is present The Enhanced Monitoring System adds a fully VXlbus 1 4 compliant message based interface alpha numeric display individual VXlbus voltage and slot temperature reading TTL trigger in outputs with programmable delay and monitoring of key VXI backplane signals AS ACFAIL SYSRESET Refer to Figure 6 2 Enhanced Monitoring System Module Block Diagram and the description below Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Monitoring Circuitry ie 2
17. Between Slides 18 5 16 Rear Mounting Rail of Rack Figure 2 6 Rear End Slide Mount Rack Dimension Intermediate Rail Instrument Chassis Rail Locking Button Depress and Slide Instrument Chassis Rail over Button when removing Figure 2 7 Instrument Rail Removal Astronics Test Systems Configuring The 1261B 2 11 1261B User Manual Preparing The Mainframe For Rack Mounting Omit steps 4 and 5 for options without slides Installing The Mainframe into The Rack Omit step 1 for options without slides Configuring The 1261B 2 12 Publication No 980766 Rev B Complete the steps below while referring to Figures 2 3 2 4 2 5 and Table 2 1 1 Secure rack mount ears Items 4 and 5 to the mainframe See Installing The Slides Into The Rack Items 1 2 and 2 Install handles Item 27 onto rack mount ears Items 4 5 with screws Item 21 3 Remove bottom feet screws and washer four places 4 Remove plastic rivets 3 per side at slide mount screw hole locations Item 16 5 Remove the instrument mainframe rail from slide assemblies installed in rack This is easily done by first extending the instrument rail out until it locks in the open position as shown in Figure 2 7 Depress the locking button and hold it in to unlock the rail Slide the rail over the button and completely out of the slide mount assembly Mount the instrument chassis rails to the mainframe left and right hand s
18. CAUTION Always power off the mainframe and disconnect the power cord before cleaning or servicing the mainframe Maintenance 7 5 1261B User Manual Tools Required Removal and Replacement of The Module Fan Assembly Maintenance 7 6 Publication No 980766 Rev B The only tool required to disassemble the 1261B chassis to the module level is a medium flat blade screwdriver Exceptions 9U Fan Assembly removal requires 2 Phillips screwdriver and 7 64 hex keywrench The plug in module fan assembly may be removed and replaced as described in the following steps Refer to Figure 7 3 and 7 4 1 10 11 On rackmount 9U mainframes only loosen fan cover thumbscrews lower cover and disengage from housing Remove two phillips head screws per side and two socket head cap Allen screws and lockwashers inside rear of cabletray Pull bottom of housing away and downwards disengaging retaining hooks from rear of module fan assembly This will expose the fan assembly for removal Omit this step for benchtop 7U mainframes Loosen the lower center captive thumbscrew on the fan filter frame Lift it up and towards the rear to remove the frame and filter from the rear of the module fan assembly Loosen the four captive thumbscrews which secure the module fan assembly to the mainframe Ensure that all four thumbscrews are disengaged from the mainframe Grasp the module fan assembly by the bottom right and top left floati
19. 980766 Rev B Clearing The Message From The Display Astronics Test Systems 1261B User Manual Since the LED display can accommodate only 10 characters at time and since the status clock is always shown at the right most position only 9 characters may be displayed at one time The EMS will automatically scroll messages longer than 9 characters from left to right at the rate of 2 characters per second Thus if the command DISPLAY TEXT This is My String is executed then the front panel will show the following characters in succession This is M his is My is is My s is My S is My St is My Str s My Stri My Strin My String The presently programmed text string may be read using the query DISPLAY TEXT The EMS will reply to this query with the string enclosed in double quotes If a double quote is part of the displayed string then two consecutive double quotes will be shown in the reply as follows This has a double quote embedded in it The user string may be set to a length of 0 by sending the command DISPLAY TEXT If this command is executed the display will show nothing UNLESS an out of tolerance condition is detected by the EMS The user message may be cleared entirely by executing the command DISPLAY TEXT CLEAR After this command has been executed the EMS will behave as if no user message has been def
20. 980766 Rev B Programming The Number of Data Bits Programming The Parity Programming The Number of Stop Bits Astronics Test Systems 1261B User Manual The number of data bits may be programmed with the command SYSTEM COMM S where lt data bits gt will either be 7 or 8 B TS data bits The presently programmed number of data bits may be read with the query SYSTEM COMM S B Do The parity may be programmed using one of the following commands SYSTEM COMM SE SYSTEM COMM S SYSTEM COMM S iR IAL PAR ITY EVEN ER AL PARI TY ER AL PARI ODD NONE P TY The present parity may be read using the query SYSTEM COMM SI ER IAL PARI TY The EMS will reply to this query with one of the following EVEN ODD NONE The number of data bits may be programmed with the command SYSTI where lt stop bits gt will either be 1 or 2 EM COMM 51 ERI AL 25 ITS lt stop bits gt The presently programmed number of stop bits may be read with the query SYSTI COMM 51 ERI AL 25 TS Using The Enhanced Monitoring System 4 35 1261B User Manual Illegal RS 232 Interface Combinations Publication No 9807
21. DB 09 If you do not intend to use the RS 232 port omit this procedure Use an RS 232 cable to connect J412 9 pin female RS 232 connector on the EMS rear panel to the RS 232 serial port on the host controller Refer to Figure 2 13 Setting Up the Enhanced Monitoring System EMS RS 232 Interface and to Figure 2 14 RS 232 Cable Connections With a Computer Data Terminal or modem Flow control is a means by which the host computer or other controller may pace the flow of data coming from the 1261B EMS Monitor so that the host controller has time to properly receive the data It also allows the 1261B EMS Monitor to pace commands coming from the host computer so that the 1261B EMS Monitor has sufficient time to execute the commands as they arrive The 1261B EMS RS 232 interface uses only Software flow control or The host controller RS 232 flow control must be set for Software or With software flow control as implemented in the 1261B EMS Monitor an RS 232 device that is receiving data may send an XOFF character ASCII 19 0 to the sending device commanding the sending device to suspend data output Later when the receiving device is ready for more data it may send an XON character ASCII 17410 to the sending device indicating that data transmission may be resumed If your controller does not support flow control it will not send or respond to XON or XOFF characters and fl
22. LOWer LOWer TIME DATE MODE 0 1 MODE SYSFail ALARm TIME DATE ALARm ETIME DATE lt gt COUNt LIMit 0 0 255 CLEar ALARm TIME DATE BERR COUNt LIMit 0 0 255 CLEar ALARm ETIME DATE Parameter Form Default in Bold 0 0 32767 Confirmed lt voltage as a real number gt lt voltage as a real number gt lt current as a real number gt lt current as a real number gt lt frequency as a real number RPM gt lt frequency as a real number RPM gt lt time as a real number seconds gt lt time as a real number seconds gt lt upper Temperature gt lt lower Temperature gt SCPI Command Reference 5 8 Publication No 980766 Rev B SCPI 1994 0 Not Confirmed Not Confirmed Query only Not Confirmed Query only Not Confirmed Meaningful range is 0 to 1024 Notes Confirmed N 1 7 Confirmed Confirmed Confirmed Confirmed Not Confirmed Not Confirmed Not Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Not Confirmed Not Confirmed Not Confirmed Confirmed Confirmed Confirmed Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed set most positive voltage monitor limit set most negative voltage monitor limit
23. SBITs PARity TYPE TRANSsmit AUTO BAUD BITS SBITs MEASure VOLTage lt N gt CURRent lt N gt FREQuency lt N gt lt TEMPerature lt N gt ACFail ASTRobe SYSFail STATus PRESet OPERation EVENt CONDition QUEStionable EVENt CONDition VOLTage CONDition CURRent LEVEN CONDition ENABIe TEMPerature LEVEN CONDition ENABIe FREQuency LEVEN CONDition ENABIe TIME LEVEN CONDition ENABIe Parameter Form Default in Bold 1200 2400 4800 9600 718 112 EVEN ODD NONE 1200 2400 4800 9600 7 8 112 lt hour gt lt minute gt lt second gt lt year gt lt month gt lt day gt Confirmed Confirmed 0 0 32767 0 0 32767 0 0 32767 0 0 32767 0 0 32767 0 0 32767 0 0 32767 Astronics Test Systems Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Not Confirmed Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed
24. VXI IACK1 alarm VXI IACK2 ALAR IME VXI IACK2 alarm VXI VXI IACK3 alarm VXI IACK4 ALAR IME VXI IACK4 alarm VXI IACK5 ALAR IME VXI IACK5 alarm VXI IACK6 ALAR IME VXI IACK6 alarm VXI IACK7 ALARM TIME VXI IACK7 alarm VXI BERR ALARM TIME VXI Bus Error alarm Only the TIME queries are shown above The DATE queries may be formed by substituting the keyword DATE for the keyword TIME The time stamps cannot be set by a command they can only be queried The EMS automatically records them into nonvolatile memory whenever an out of tolerance condition is detected The EMS supports all required IEEE 488 2 commands In addition the optional and commands are all supported The following paragraphs describe the IEEE 488 2 commands supported by the 1261B EMS This query requests the instrument to identify itself The EMS responds to this query with the following reply Racal Instruments 1261B EMS 0 lt firmware revision This reply indicates the manufacturer Racal Instruments the model 1261B EMS the serial number if not available it is and the firmware revision The firmware revision is the only field that may change in the future The firmware revision is a numeric floating point value An example firmware revision is gal Using The Enhanced Monitoring System 4 39
25. ed aa aue cdd 3 1 D mie ome DE 3 1 Front Panel When Equipped With Standard Monitoring 5 22 3 2 Rear Panel When Equipped With Standard Monitoring System 3 3 Front Panel When Equipped With Enhanced Monitoring 3 4 Rear Panel When Equipped With Enhanced Monitoring 3 5 Powering On 3 6 Using Remote Power On Standby 5 3 7 Monitoring Basics 6 cans ere an eee een aes aa ea RRR A ESE 3 8 Rear Panel Switch and Connector 3 10 Basic Functional neben aeu a ee e e 3 15 ii Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Clem RO 4 1 Using The Enhanced Monitoring System ctt 4 1 SESW ec n 9 4 1 Power On Reset 2 4 1 What NOW Equidad 4 3 Measuring Power Supply Voltages oreet n ERR UE Pu SE RARE 4 3 Measuring Power Supply 4 3 Measuring Ambi
26. 1261B User Manual Chapter 1 GETTING STARTED Product The 1261B High Power Intelligent Mainframe is 13 slot VXlbus de isum Mainframe It fully complies with the VXlbus Specification 1 4 Description requirements and is VXlplug amp play compatible Key Features Figures 1 1 through 1 8 show the key features of the 1261B Ease of Use e Fast Setup The 1261B backplane uses active automatic Astronics Test Systems VME interrupt acknowledge and bus grant daisy chaining Manual configuration of backplane switch settings or jumpers has been eliminated Universal AC Input The 1261B AC input is both auto voltage and auto frequency ranging The chassis does not require the configuration of a voltage selection switch Visual System Health Status Indication The 1261B comes standard with system monitoring that gives you key system health status Voltage Current Airflow and Temperature on the front panel display Monitored parameters include temperature rise on each slot fan speed power supply voltage and currents Enhanced Monitoring The optional micro controller based Enhanced Monitoring System EMS adds a fully compliant message based interface an auxiliary RS 232 port and drivers The alpha numeric display that comes with the EMS provides detailed system status messages Plug in Power Supply Fans and Monitor The 1261B modular system design results in a virtually wireless mainframe with low
27. 2 Supply Fan Filter Z warnina LE IUE o A uum d 1 Li lex 230v MI REA SEE D rM aaa AE 1 Fan Filter P Figure 3 2 1261B Rear View with Standard Monitor Astronics Test Systems 4 4 See Rear Panel Switch and Connector Descriptions later in this Chapter for information on rear panel features Concealed Handles I mm fo 4815 Monitor Control J411 Used with Current Share Option shown with Blanking Plate installed Fan Speed Switch Max Variable Fault Test Switch Front Panel LED s Hluminate Red when set to ON Temp Monitor Check Switch 1419 Monitor Standard Monitoring System SMS Module Safety Chassis Grounding Screw Module Cooling Fan Assembly Operating The 1261B 3 3 1261B User Manual Publication No 980766 Rev B Front Panel When Equipped With Enhanced Monitoring System Enhanced Monitoring System reports Alpha Numeric messages Power On Standby to 1 10 Character Display Switch Power On LED es CRESS SOA EE 9 2547 EXE EXITERESDIEIIDTESYI GdUENEEWEXEBEWEXEI Figure 3 3 Front View With Enhanced Monitor Operating The 1261B 3 4 Astronics Test Systems Publication No 980
28. 32 X 375 70 29 A R 920962 LOCTITE 242 MED STR 05972 272 30 1 602262 CORD POWER 15A MEGAE 17005 14M 31 1 980766 INSTRUCTION MANUAL 21793 980766 32 4 615718 SCREW SLOTTED HEX 6 32 x 312 33 4 1617128 WASHER LOCK 6 LIGHT SERIES 34 6 1456271 CARD GUIDE 21793 456271 9U 35 A R 610388 CATERPILLAR 040 THICK 03296 51 9U 36 921452 LOCTITE PRISM 411 CLR 05972 PRISM411 46 1 1 456583 STIFFENER CENTER CABLE TRAY 9U CH 21793 456583 SM SYSTEM MONITOR EM ENHANCED MONITOR FSC SUPPLIER 70 70 MAINFRAME 5 90 9U MAINFRAME 03296 NYLON MOULDING OTHER PARTS USED ON BOTH TEMPLE CITY CA 70 AND 90 MAINFRAMES S 05972 LOCTITE CORP HARTFORD CT 06915 RICHCO PLASTIC CO CHICAGO IL 21793 RACAL INSTRUMENTS INC IRVINE CA 6T698 PLASTIGLIDE MFG CORP HAWTHORNE 78189 ILLINOIS TOOL WORKS INC SHAKEPROOF DIV IELGIN IL MEGA ELECTRONICS BRUNSWICK NJ Maintenance 7 22 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Appendix A SPECIFICATION Specifications This chapter contains the complete specifications for the 1261B Mainframe Table A 1 AC Input Specifications Characteristic Input Voltage Range 90 Vams to 250 Vams Input Frequency Range 45 Hz to 440 Hz 120 V operation 45 Hz to 66 Hz 230 V o
29. 6 6 5 7 7 5 8 8 5 9 9 5 10 10 5 L Sec AIRFLOW Figure A 1 Mainframe Worst Case Slot Cooling Curve Table A 4 Safety Safety Characteristics IEC 1010 1 and CAN CSA 22 2 No 1010 1 IEC Characteristics Installation Category II Pollution Degree 2 Safety Class 1 Astronics Test Systems Specification A 5 1261B User Manual Publication No 980766 Rev B Table A 5 Environmental Classification MIL T 28800E Type III Class 5 Style E or F Temperature Meets the limits stated in MIL T 28800E for Type Class 5 Operating 0 C to 55 C Non operating 40 C to 71 C Relative Humidity Operating Up to 95 at up to 30 C and up to 45 at up to 55 C Non operating Up to 95 at up to 55 C Altitude Operating 15 000 ft 4570m Non operating 40 000 ft 12 190 m Random Vibration Three axis 30 minutes total 10 minutes per axis Operating 0 27 grus total from 5 Hz to 500 Hz Non operating 2 28 gnus total from 5 Hz to 500 Hz Functional Shock Operating Half sine 30 g 11 ms duration Meets functional shock requirements of MIL T 28800E Type Class 5 Operating User Bench Handling Operating Each edge lifted four inches and allowed to free fall onto a solid wooden bench surface Electromagnetic Compatibility EMC Emissions shall be within the limits specified by the Emissions following requirements Enclosure EN 55011 and EN 55022 Class B FCC Part 15 Class B limits for radiated emissions AC Mains EN 60555 2 AC power h
30. Alarm is generated The number of seconds which has elapsed with the mainframe power on since the last filter service may be read using the MEAS TIME3 command This command calculates the difference between the present value of the power on clock and a reference time stored in an EEPROM on the EMS After the SENSE TIME3 RANGE UPPER time has elapsed the Filter Service Alarm is generated This alarm will set bit 2 of the Questionable Time Condition and Event Registers see Table 4 5 These registers be read using the STATUS QUES TIME COND and STATUS QUES TIME EVENT queries respectively Bit 2 of the Questionable Time Event register will be cleared the first time STATUS QUES TIME EVENT query is executed Bit 2 of the Questionable Time Condition register will remain set as long as the Filter Service Alarm is active The Filter Service Alarm may be cleared by executing the SENSE TIME3 CLEAR command This command stores the present value of the power on clock as the reference time used to calculate the elapsed filter service time Thus if the SENSE TIMES CLEAR command is followed immediately by a Using The Enhanced Monitoring System 4 22 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual MEAS TIME3 command the MEAS TIME3 command will return a value of 0 Therefore the SENSE TIME3 CLEAR command should be executed immediately after the filter is cleaned a
31. End Slide Mount Rack 2 11 Figure 2 7 Instrument Rail Removal e t e heed eene x e eb a ER 2 11 Figure 2 8 Installing Rack DOO eret rr iot rp Po berti ont p sad aet 2 15 Figure 2 9 Connecting Safety Giroung occured eed na e e Rb 2 16 Figure 2 10 Fan Speed Range HI LO Selection 2 17 Figure 2 11 Setting The Enhanced Monitor VXI Logical 2 18 Figure 2 12 Setting the Enhanced Monitoring System Configuration Switch 2 19 Figure 2 13 Setting Up The Enhanced Monitoring System RS232 Interface 2 21 Figure 2 14 RS 232 Connections With a Computer Data Terminal or Modem 2 23 Figure 3 1 1261B Front View With Standard 3 2 Figure 3 2 1261B Rear View with Standard 2 3 3 Figure 3 3 Front View With Enhanced eene 3 4 Figure 3 4 Rear View With Enhanced 3 5 Figure 3 5 Powering On The 3 6 Figure 3 6 Using Remote Power On Standby 3 7 viii Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Figure 4 1 Voltage Condition
32. MTTR and high MTBF See Figure 1 3 Getting Started 1 1 1261B User Manual Publication No 980766 Rev B e Variable Recess Rack Mounting The adjustable rack mount ear provides variable 0 625 inch increments recess rack mounting capability See Figure 1 8 e Fan Speed Control The 1261B delivers the cooling air that your application requires Fan speed control reduces acoustic noise levels of the 1261B high performance cooling system NNNM NNNM 12 220 Bench Top Model The 1261B Bench Top is a high performance VXI mainframe that 5 is only 7U 12 220 inches tall 7U Footprint Figure 1 1 1261B Bench Top 7U Tall Mainframe Getting Started 1 2 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual 15 720 The 1261B Rack Mount mainframe is designed to the VXIp lug amp p lay VXIplug amp play 90 tall 15 720 inches footprint Rack Mount Model 9U Footprint Figure 1 2 1261B Rack Mount 9U Tall Mainframe Astronics Test Systems Getting Started 1 3 1261B User Manual Publication No 980766 Rev B The 1261B highly modular design is virtually wireless with low Modular MTTR and high MTBF Mainframe Design Blind Mate Pluggable Power Supply Pluggable Monitoring System Standard SMS or Enhanced E
33. OR bit 3 of ESE AND bit 3 of ESR OR bit 4 of ESE AND bit 4 of ESR OR bit 5 of ESE AND bit 5 of ESR OR bit 6 of ESE AND bit 6 of ESR OR bit 7 of ESE AND bit 7 of ESR Using The Enhanced Monitoring System 4 40 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual where ESE is the value as set by the ESE command ESR is the value which may be read with ESR query Bit 5 of the Status Byte is also known as the Event Summary Bit or ESB The ESE command has the format ESE ESE value where the lt ESE value gt is an integer numeric value in the range 0 to 255 9 This query reads the value presently programmed for the ESE Query Standard Event Status Enable Register This reads the value as programmed by the ESE command 9 This query reads the value of the Standard Event Status ESR Query Register Each bit of this register indicates a true false status condition When the bit is set the condition is TRUE when the bit is cleared the condition is FALSE The bit assignments are defined by the IEEE 488 2 specification The bit assignments are as follows BitO Operation Complete This bit is set when the OPC command is sent and has been executed Biti Request Control This bit is always 0 for the 1261B EMS Bit2 Query Error This bit is set when the EMS parser has detected a query error condition as defined by the IEEE 488 2 specificatio
34. Temperature of VXI slot 12 relative Ambient Temperature Temperature of VXI slot 0 absolute Temperature of VXI slot 1 absolute Temperature of VXI slot 2 absolute Temperature of VXI slot 3 absolute Temperature of VXI slot 4 absolute Temperature of VXI slot 5 absolute Temperature of VXI slot 6 absolute Temperature of VXI slot 7 absolute Temperature of VXI slot 8 absolute Temperature of VXI slot 9 absolute Temperature of VXI slot 10 absolute Temperature of VXI slot 11 absolute Temperature of VXI slot 12 absolute 0 0 to 140 0 for relative temperature default at 30 0 degrees C 0 0 to 75 0 for absolute temperature default at 55 0 degrees C The lt N gt Example SENS TEMP22 RANG UPP 58 set the alarm temperature for slot 7 to 58 degrees C These commands queries either the absolute temperature limits or relative temperature limits of the monitored VXI slot The N following the TEMPerature indicates which temperature slot is being queried Using The Enhanced Monitoring System 4 9 1261B User Manual Publication No 980766 Rev B EMP 1 RANG UPP Temperature of VXI slot 0 relative EMP 2 RANG UPP Temperature of VXI slot 1 relative EMP 3 RANG UPP Temperature of VXI slot 2 relative EMP 4 RANG UPP Temperature of VXI slot 3 relative EMP 5 RANG UPP Temperature of VXI s
35. This is Bus Error and necessary since the count increases to a maximum value of 256 IACKn nter Once the count reaches 256 the only way to clear it is to use the Counters command described below or to select some other IACKn or BERR line for monitoring The following commands may be used to clear the BERR or IACKn counters SENSE VXI BERR CLEAR clear BERR counter ENSE VXI IACK1 CLEAR clear IACK1 counter E VXI IACK2 CLEAR clear IACK2 counter E VXI IACK3 CLEAR clear counter clear IACK4 counter R R R 2 2 Z E VXI IACK5 CLEAR clear IACK5 counter E VXI IACK6 CLEAR clear IACK6 counter E VXI IACK7 CLEAR clear IACK7 counter NH es This command is meaningful only if the specified event is presently being monitored If for example the IACK3 line is presently being monitored because a SENSE VXI IACK3 LIMIT command was executed then clearing the counter for the BERR event will have no effect in n The previous paragraphs have described how to program Generati ga tolerance limits When one of the attributes monitored by the Interrupt When an Ms exceeds its tolerance limits an alarm condition exists The Alarm Condition is olowing paragraphs describe how to program the EMS to Detected generate an inte
36. accurac Rear Panel Trigger Input TTL level Input BVDC max active low Routes to any one of eight backplane TTLTRIG lines default is unconnected Routing delay 50 nS typical Programmable delay range 0 nS to gt 1 Second 31 25 nS resolution synchronization error 31 25 nS Rear Panel Trigger Output TTL level Output active low 74F38 driver with 1K Ohm pull up to 5V Routes from any one of eight backplane TTLTRIG lines or Real Panel Trigger Input default is unconnected Routing delay 50 5 typical Programmable delay range 0 nS to gt 1 Second 31 25 nS resolution synchronization error 31 25 nS Elapsed Time Functions Fan Service 1 Second resolution Power On Time 1 Second resolution Cumulative Power On Time 1 Second resolution 0 to 255 range 0 to 255 range VXI SYSFAIL ACFAIL and AS Logic State Indication I State Monitor 1 if the line is high or a O if the line is low Note that since each of these lines is asserted when low the normal reply should be 1 Front Panel User Message 80 Characters scrolled Astronics Test Systems Specification A 13 1261B User Manual Publication No 980766 Rev B VXI Interface Capabilities VXlbus Specification Rev 2 0 compliant Message Based Device A16 Only Servant only Static Configuration Instrument Protocol 1 IEEE 488 2 Instrument Protocol 14 Supports the Word Serial Trigger command Programmable Interrupter Event Generation Response Genera
37. and Side View of 1261B Rack Mount Model With Rack Mount and Cable Tray Options Astronics Test Systems Specification A 9 1261B User Manual Publication No 980766 Rev B 20 50 6 00 Receiver Door Front Rack Mounting Rail Mounting Rear Rack Mounting Rail Surface 12 22 15 72 bes xi 24 Rack Figure A 5 Side View of 1261B 7U Mainframe With Option 54 1 Installed os ao aaa 6 00 Front Rack Mounting Rail Rear Rack Mounting Gude RA 15 72 bes r 24 Rack Receiver Door Mounting Surface Figure A 6 Side View of 1261B 9U Mainframe With Option 54 2 Installed Specification A 10 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Table A 8 SMS Monitoring System Specifications Typical Characteristics Auxiliary Rear Panel DC Voltage Outputs Maximum slot temperature Tmax Rear Panel Output Voltage Maximum slot Temperature Rise T Rear Panel Output Voltage Fan Speed TACH Rear Panel Outputs Fan Speed Range typical VXI Power Supply Voltage Front Panel Health Status Readout VXI Power Supply Current Front Panel Health Status Readout VXI Power Supply Temperature Front Panel Health Status Readout VXI Power Supply Airflow Front Panel Health
38. bit 1 is set if the 5 2V power supply voltage is out of tolerance and cleared to 0 if it is in tolerance The other bit assignments for the Voltage Condition Register are shown in Figure 4 1 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 12V 24V 24V 2V 5 2V 5V Always 0 PS PS PS PS PS PS PS Figure 4 1 Voltage Condition Register Astronics Test Systems The Voltage Condition Register may be read with the query STAT QUES VOLT COND This query returns an integer value in the range 0 to 127 The value is formed by adding the bit values of each of the status bits For example the value of 97 64 32 1 indicates that the 12V 64 12V 32 and 5V 1 power supplies are out of tolerance Each attribute monitored by the 1261B EMS has its own Condition Register The remaining condition registers may be read with the following queries Using The Enhanced Monitoring System 4 13 1261B User Manual Publication No 980766 Rev B STAT QUES CURR COND Current Condition QUES TEMP COND Temperature Condition STAT QUES FREQ COND Fan Condition STAT QUES TIME COND Elapsed Time Condition QUES VXI COND VXI Condition The bit assignments for the various Condition Registers are shown in Tables 4 1 through Tables 4 6 Table 4 2 Voltage Condition and Event Register Bit Assignments Usin
39. current alarm CURR5 ALARM TIME 24V PS current alarm CURR6 ALARM TIME 12V PS current alarm CURR7 ALARM TIME 12V PS current alarm FREQ1 ALARM TIME most recent alarm of any fan 2 ALARM TIME fan 1 alarm FREQ3 ALARM TIME fan 2 alarm 4 ALARM TIME fan 3 alarm IME1 ALARM TIME power on time alarm 2 ALARM TIME cumulative power on time IME3 ALARM TIME filter service time alarm EMP1 ALARM TIME slot 0 temp rise alarm EMP2 ALARM TIME slot 1 temp rise alarm EMP3 ALARM TIME slot 2 temp rise alarm TEMP4 ALARM TIME slot 3 temp rise alarm EMP5 ALARM TIME slot 4 temp rise alarm EMP6 ALARM TIME slot 5 temp rise alarm EMP7 ALARM TIME slot 6 temp rise alarm TEMP8 ALARM TIME slot 7 temp rise alarm EMP 9 ALARM TIME slot 8 temp rise alarm P10 ALARM TIME 101 9 temp rise alarm P11 ALARM TIME slot 10 temp rise alarm P12 ALARM TIME slot 11 temp rise alarm P13 ALARM TIME slot 12 temp rise alarm EMP14 ALARM TIME ambient temperature alarm Using The Enhanced Monitoring System 4 38 Astronics Test Systems Publication No 980766 Rev B IEEE 488 2 Common Commands IDN Query Astronics Test Systems 1261B User Manual VXI ALARM TIME VXI SYSFAIL alarm VXI ACFAIL ALARM TIME VXI ACFAIL alarm VXI 1 TIME
40. display the VXI logical address of the EMS and the Active LED on the Soft Front Panel will be green Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Chapter 3 OPERATING THE 1261B Using This Chapter Astronics Test Systems Use this Chapter to Review front and rear panel controls and indicators Power the mainframe on off using the front panel switch Power the mainframe on off using the remote inhibit rear panel input Power the mainframe on off when the Current Sharing Supply Option 53 is connected to the 1261B Review Monitoring Basics guide to front panel visual system health status Perform basic functional check of the mainframe VXI voltages Review Rear Panel Switch and Connector Reference for pinouts and descriptions of all rear panel connectors Operating The 1261B 3 1 1261B User Manual Publication No 980766 Rev B Front Panel When Equipped With Standard Monitoring System System Status Indication Voltage LED Current LED Power On Stand by Power On Temp LED Switch LED Airffow LED Figure 3 1 1261B Front View With Standard Monitor Operating The 1261B 3 2 Astronics Test Systems Publication No 980766 Rev B Rear Panel When Equipped With Standard Monitoring System Power Supply J400 AC Input Connector 1261B User Manual F400 AC Fuse 2 Power
41. er CA RR E RERO HE CEPI RE ea CUIR e Spr 5 6 Boolean Parameters cete batis nbi tesis boten a due 5 6 SCPI Command Summary caa a aet ru RM x 5 6 Command Parameter 5 5 10 Device Specific Commands rere YR ERA REI cus 5 11 Sid piel 6 1 UNDERSTANDING The 1261B asarni Peta 6 1 ONCE DEA NEE EERE du ME 6 1 Power SUPply TET 6 1 Power Supply Interconnb blo esee aeos Tu E Om e rv Med e Ennn 6 1 Power Supply Protections c oreet er ro E eene en Mans eL 6 3 BackDidlig sober e cC 6 3 Backplane Interconnections 6 4 Cooling SYSIGM Gigs een nites DEUS eed 6 4 Rack Mount Cooling SyStefii nt ou Rast ee 6 4 Bench Top Cooling System seu poetae etae este ee nra o RUE 6 4 Astronics Test Systems V 1261B User Manual Publication No 980766 Rev B Cooling The Power cssc roe tort 6 5 Standard Monitoring System 6 5 SMS Fan
42. instrument state location MAY be corrupt This error may be returned if the TST command returns a value of 5 EEPROM state X checksum fail This error is returned when the checksum stored for the instrument state does not match the computed checksum for that state This indicates that the stored instrument state MAY be corrupt This error may be returned if the TST command returns a value of 5 The X will be replaced by the state that was found to be corrupt X 0 to 9 EEPROM read failure This error is returned when the EEPROM indicates that it is busy writing data for more than 40 milliseconds This indicates a general EEPROM failure This error may be returned if the TST command returns a value of 5 Time of day real time clock failed This error is returned when the real time clock on the EMS does not advance after a minimum of 1 2 seconds This error may be returned if the TST command returns a value of 6 Power on time real time clock failed This error indicates that the power on time real time clock on the EMS does not advance after a minimum of 1 2 seconds This error may be returned if the TST command returns a value of 6 The following self tests are NOT performed when VXI mainframe power is NOT applied EEPROM tests real time clock tests Using The Enhanced Monitoring System 4 49 1261B User Manual Publication No 980766 Rev B This page was left intentionally
43. mV 125 mV 2V 100 mV 100 mV 5 2 V 260 mV 156 mV 12 V 600 mV 360 mV 24 V 1 2 V 720 mV Specification A 2 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Description Maximum Load Voltage Ripple Noise Ripple Noise 24 V 150 mV 12V 50 MV pp 5 50 mV 2V 50 mV 5 2 V 50 12 V 50 24 V 150 Maximum Induced Voltage Ripple Noise Ripple Noise 24 V 150 mV 12 V 50 MVpp 5 V 50 2 V 50 MVpp 5 2 V 50 12 V 50 24 V 150 Auxiliary DC Outputs Voltage Current Fused Self Healing 5 V 1 Amp 12 V 1 Amp 24 V 1 Amp Protections Over voltage protection Over temperature protection Over current protection VXI Supply Rear Panel DC Voltage Tolerance AV Voltage Monitors 24 1 2 720 mV J415 Connector 12V 600 mV 360mV 5V 250 mV 125 mV 2V 100 mV 100 mV 5 2 V 260 mV 156 mV 12 V 600 mV 360 mV 24 V 1 2 V 720 mV VXI Supply Rear Panel DC No Load Full Load Current Monitors Voltage Value Value J415 Connector 24 V ov 5V 12 V 5V 5 5V 2 V 5V 5 2V 5V 12 V oV 5V 24 V oV 5V 7 Accuracy at full load value 5 V typical Astronics Test Systems Specification A 3 1261B User Manual Publication No 980766 Rev B Table A 3 Cooling Characteristic Description Per Slot Cooling Capacity Typically 80 W per slot 3 5 mm H20 with airflow directors Fig
44. of these queries causes the 1261B EMS to reply with an integer value The unit of measure is seconds The 1261B EMS has the capability to read the present state of the VXI SYSFAIL ACFAIL and AS address strobe lines The following commands may be used to read the present state of each of these lines MEAS VXI ACFAIL read ACFAIL line MEAS VXI SYSFAIL read SYSFAIL line MEAS VXI ASTROBE read AS line Each of these queries causes the 1261B EMS to reply with a 1 if the line is high or a 0 if the line is low Note that since each of these lines is asserted when low the normal reply should be 1 Using The Enhanced Monitoring System 4 5 1261B User Manual Monitoring The VXI Subsystem Programming The Tolerance Limits Publication No 980766 Rev B The 1261B EMS has the ability to monitor the VXI power supplies voltage and current VXI slot temperatures fan speeds and select VXI signals When one of these is outside the user specified limits an interrupt can be generated This allows the system controller computer to effectively monitor the VXI subsystem without having to continually poll the 1261B EMS Each attribute is checked once per second at a minimum by the EMS If the attribute value is outside the programmed limits an alarm condition is assumed to exist If the EMS has been told to generate an interrupt when the alarm condition exists an interrupt will be sent to the sy
45. position Set this switch to MAX to run fans at full speed In the VAR position the monitoring system automatically controls the speed of the fans depending on the air temperature and the amount of cooling required by the modules LOGICAL ADDRESS VXI Logical Address Switch Refer to Chapter 2 Enhanced Monitor VXI Logical Address Switch Operating The 1261B 3 10 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual 2410 o 9 8 7 6 9 6 15 O ofa 2 1 Astronics Test Systems Table 3 4 J410 SMS Rear Panel Monitor 5V 5 V for powering external user circuitry etc 1 A max 12V 12 V for powering external user circuitry etc 1 A max 24V 24 V for powering external user circuitry etc 1 A max Output signal proportional to the maximum absolute temperature of the 13 modules 100 mV C 0 V corresponds to 0 C AT Output signal proportional to the maximum absolute temperature rise w respect to internal ambient sensor of the 13 modules 100 0 V corresponds to 0 C TACH1 TTL output proportional to the speed of Fan 1 2 pulses revolution 7 TACH2 TTL output proportional to the speed of Fan 2 2 pulses revolution TACH3 TTL output proportional to the speed of Fan 3 2 pulses revolution 9 10 28
46. stop 5 on opposite rack mount ear with self tapping screws Item 6 4 Align hole in door hinges with hinge pins on rack mount ears and mate together 5 Latch door into place by turning latch knobs fully counter clockwise Close door and turn knobs clockwise until door is secure Configuring The 1261B 2 14 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Figure 2 8 Installing Rack Door Table 2 2 Door Components DESCRIPTION 9U P N Shown 1 Door Assembly 407430 407429 Hinge Black Nylon 921161 921161 Screw PPH 10 24 x 500 611396 611396 Bar Door Stop 456416 002 456416 001 Screw PFH 10 24 x 500 611238 611238 Screw PFH 6 20 x 312 616482 616482 Astronics Test Systems Configuring The 1261B 2 15 1261B User Manual Publication No 980766 Rev B nn in Omit this procedure if you do not intend to operate the 1261B at Connect g frequencies greater than 63Hz When operating the 1261B at Safety Ground mains frequencies between 47 Hz and 63 Hz use the Chassis Safety Ground connection to connect the grounds of one or more instruments to the mainframe This ensures a common ground connection between instruments NOTE For your protection from electrical shock when operating at mains frequencies greater than 63Hz connect the chassis safety ground terminal to permanent earth ground See Figure 2 11 1 Connect 16 AWG 1 3mm or larger wire t
47. temperature This command causes the 1261B EMS to reply with a value formatted as a real number The number is rounded to the nearest 1 degree Celsius Using The Enhanced Monitoring System 4 3 1261B User Manual Publication No 980766 Rev B i VXI SI Each VXI slot temperature may be read individually The Measuring Slot following commands may be used to read the specified VXI slot Temperature temperature EAS 1 MEAS TEMP2 EAS TEMP3 EAS 4 MEAS TEMP5 MEAS TEMP 6 EAS TEMP7 EAS 8 MEAS TEMP 9 MEAS TEMP 10 EAS TEMP11 EAS TEMP12 MEAS TEMP13 read slot 0 temperature read slot 1 temperature read slot 2 temperature read slot 3 temperature read slot 4 temperature read slot 5 temperature read slot 6 temperature read slot 7 temperature read slot 8 temperature read slot 9 temperature read slot 10 temperature read slot 11 temperature read slot 12 temperature Each of these queries causes the 1261B EMS to reply with a value formatted as a real number The number is rounded to the nearest 0 1 degree Celsius Note that the temperature rise of any slot may be computed by the difference between the ambient temperature and the slot s temperature MEAS TEMPX MEAS TEMP 14 Measuring Fan Each of the three fan speeds may be read individual
48. the P C See figure 2 16 for cable configuration Run HyperTerminal Program C Accessories HyperTerminal Hyperlrm exe Phone Number Direct to Com1 or Com2 OK Configure Port Settings Bits per Second 9600 Data Bits 8 Parity None Stop Bits 1 Flow Control Xon Off OK Settings Emulation Autodetect or VT10O ASCII Setup X Send line enas with line feeds X Echo typed caracters locally ASCII Receiving X Wrap lines that exceed terminal width OK OK Turn 1261B CHASSIS ON Response RACAL INSTRUMENTS 1261B EMS Check by typing IDN Configuring The 1261B 2 22 Astronics Test Systems Publication No 980766 Rev B 9 Pin D Sub Connector Male t t Connect to 12618 Pin 3 RXD Pin 2 TXD Pin 5 SIGN AL GND 1261B User Manual 9 D Sub Connector Male 9 Pin RS 232 Cable Connect to Cornputer or Cable Connections Pin 3 TXD Pin 2 RXD Pin 5 SIGNAL GND Note This Figure applies ONLY when connecting 12618 to Data Termina equipment such as a Computer or DTE Figure 2 14 RS 232 Connections With a Computer Data Terminal or Modem Astronics Test Systems Configuring The 1261B 2 23 1261B User Manual Installing The VXlplug amp play Software Configuring The 1261B 2 24 Publication No 980766 Rev B After the EMS has been installed into the 1261B mainframe the VXlplug amp play software may be used to communicate with the EMS To install th
49. 000 0 500 0 7650 0 All Fans lower RPM tolerance SENSE TEMP14 RANGE UPPER 55 0 0 0 140 0 Ambient temperature upper tol SENSE TEMP lt X gt RANGE UPPER 30 0 0 0 140 0 VXI slot temp rise tol X 1 to 13 SENSE TEMP lt X gt RANGE UPPER 55 0 0 0 140 0 VXI slot temp Absolute lt X gt 15 to 27 SENSE TIME1 RANGE UPPER 31536000 0 0 125 years Power On elapsed time limit 365 days SENSE TIME2 RANGE UPPER 157680000 0 0 125 years Cumulative power on time limit 5 x 365 days SENSE TIME3 RANGE UPPER 15552000 0 0 125years Filter service power on time limit 180 days SENSE VXI IACK lt X gt LIMIT 0 255 ACKn limit lt gt 1 to 7 SENSE VXI BERR LIMIT 0 255 VXI Bus Error limit VXI CONF MON TRIG DELAY TIME 0 0 0 0 1048575968 75 Trigger Delay time nanoseconds resolution 31 25 nanosecond SCPI Command Reference 5 10 Astronics Test Systems Publication No 980766 Rev B Device Specific Commands Astronics Test Systems 1261B User Manual The 1261B EMS conforms to the 1994 0 version of the SCPI standard Some of the commands used are not included in the 1994 0 version However these commands are designed with the SCPI standard in mind and they follow all of the command syntax rules defined by the standard Table 5 1 lists all device specific commands that were designed specifically for the EMS as Not Confirmed to the 1994 0 SCPI version SCPI Command Reference 5 11 1261B User Manual Publication No 980766 Rev B This page w
50. 29 or Bracket Retainer Nut Rack gt 2 Mounting Mounting Screw Screw and 9 Ear 3 Washer Items 36 37 Screw 4 Places 3 Per Side Item 20 Figure 2 5 Preparing The Mainframe For Rack Mounting Astronics Test Systems Configuring The 1261B 2 7 1261B User Manual Table 2 1 Rack Mount Components ITEM DESCRIPTION QTY 9U ME JM Front Door Assembly 1 2 4 Left Rack Mount Ear 5 Right Rack Mount Ear 1 Rack Mount Shim Plate 2 Nut Retainer Phillips Panhead 10 32 x 10 375 screw Phillips Panhead 10 32 x 50 screw Phillips Panhead 10 32 x 75 screw Phillips Flathead 48 32 x 5 screw Phillips Flathead 10 32 x 50 screw pm Rack Slide Handle EN Slide Bracket Mounting Kit EN Quick Disconnect Slide 24 inch Hexnut 10 32 s Toonase Sie gs Ersem _ Sr Publication No 980766 Rev PART NUMBER 9U 407403 456387 001 456387 002 456424 610920 615089 615091 615093 615577 615590 921275 921317 921424 617007 617130 617130 QTY 7U PART NUMBER 7U 615590 921275 456420 002 1 1 1 2 1 1 4 2 2 1 1 1 1 4 8 2 2 2 1 1 1 Note Complete Slide Kit is 407690 for 9U and 407690 001 for 7U size chassis Configuring The 1261B 2 8 Astronics Test Systems Publication No 980766 Rev B Installing The Slides Into The
51. 4 Slide and Bracket Components 9U Rack Mount Mainframe Configuring The 1261B 2 6 Astronics Test Systems Publication No 980766 Rev B Left Rack Mounting Ear Item 4 1261B User Manual Right Rack Mounting Ear Item 5 Rack Mounting Ear Retainer Nut 3 Per Side Item 9 ii 1 f n j nn Handle Mounting Screws n PU 14 dU te pe It bb DU ba Ot bt 2 Per Handle 5 i u Item 21 Rack Mounting Ear oe oo oP Handle A to Retainer Nut Screws nm Thin i 7 Item 27 3 Per Side ni gd jm Item 18 nl me FRONT VIEW REAR VIEW VXI Plug amp Play position identifier hole 3 Per Side Rack Mounting Ear Screw 3 Per Side Front Rack Bracket 20 Part of Item 29 or Items 34 35 Shim Plate Rear 1 Per Side ee Se ae Rack Rail Item 6 0 00 00000000000000000 Rack Retainer Nut Screw 2 Per Bracket Item TS Item 17 Mounting Hardware Part of Item 29 or Items 16 31 32 33 Slide Rack Bracket Retainer Nut Screw 2 Per Bracket Item 17 Remove Foot Rear Rack Bracket Slide Part of Item
52. 414 Pin 9 or 10 as ground reference Operating The 1261B 3 9 1261B User Manual Publication No 980766 Rev B Rear Panel Switch and Connector Descriptions Table 3 2 SMS Rear Panel Switches FAULT TEST Fault Test Switch Set this switch to the ON position to cause a fault indication on all SMS front panel health status annunciators Voltage Current Temperature and Airflow NOTE This switch must be set to the OFF position to allow normal operation Use this switch to perform a quick check of the SMS monitor and the front panel health status annunciators TEMP MONITOR Temp Monitor Check Switch Set this switch to the ON position CHECK to cause the Tmax signal output J410 Pin 4 to indicate 33 9 C 2 Use Digital Multimeter to measure the voltage between J410 Pin 4 Tmax and J410 Pin 9 Logic Ground The voltage reading should be 3 39 VDC 0 2VDC corresponding to 33 9 C 2 NOTE This switch must be set to the OFF position to allow normal operation FAN SPEED Fan Speed Switch This switch enables fan speed control when set the VAR Variable position Set this switch to MAX to run fans at full speed In the VAR position the monitoring system automatically controls the speed of the fans depending on the air temperature and the amount of cooling required by the modules Table 3 3 EMS Rear Panel Switches FAN SPEED Fan Speed Switch This switch enables fan speed control when set the VAR Variable
53. 415 Pin 2 4 14 or 24 as Ground reference Current LED Green Current draw from each of the seven At rear panel connector J415 VXI voltage supplies is lt 100 of the These signals are scaled or rated value such that OV reading 0 full rated current and 5V System OK 100 full rated current 5V lt 80Amps J415 Pin 21 12V Rail lt 17Amps J415 Pin 18 24V Rail lt 12Amps J415 Pin 5 2V Rail lt 30 J415 Pin 7 5 2V Rail lt 60Amps J415 Pin 20 12V lt 17Amps J415 Pin 6 24V lt 12Amps J415 Pin 19 Use J415 Pin 2 4 14 or 24 as Ground reference Operating The 1261B 3 8 Astronics Test Systems Publication No 980766 Rev B WHAT YOU SEE ON THE FRONT PANEL Temp LED Green or System Airflow LED Green or System OK Astronics Test Systems WHAT IT MEANS Maximum slot temperature lt 75 C Maximum slot temperature rise lt 20 C Module cooling fans are operating above acceptable limit Fan Speed gt 900 RPM SMS units or Fan Speed gt 2000 RPM EMS units 1261B User Manual WHERE TO VERIFY J410 Pin 4 on SMS or J414 Pin 4 on EMS 100mV per C 0 C corresponds to 0 V J410 Pin 5 on SMS or J414 Pin 5 on EMS 100mV per C 0 C corresponds to 0 V Use J410 or J414 Pin 9 or 10 as ground reference 4410 Pin 6 7 8 on SMS or 4414 Pin 6 7 8 on EMS 2 Pulses per Revolution TTL Pulse Train Use J410 or J
54. 56341 FOOT REAR 21793 456341 3 1 456379 PANEL CONNECTOR FILLER 21793 456379 5 5 610873 WASHER FLAT 6 SS MS NA5620 C6L 6 2 611327 RIVET SNAP SR BLACK 118 157 06915 SR 3055BK 7 4 615059 SCREW PPH 6 32 X 375 5893 616251 SCREW SEMS 55 4 40 250 78189 SEMS W SQ CONE WA 9 8 1617103 WASHER FLAT LIGHT 6 1038 1618112 SCREW PPH 6 20 X 500 TAPPING TYPE 11 4 921054 RECESSED BUMPER 6 698 101 1026 1291 407377 POWER SUPPLY ASSY 1261B 21793 407377 SM 13 1 405091 001 PCB ASSY DISPLAY STANDARD 21793 1 405091 001 14 1 405091 002 ASSY DISPLAY 21793 405091 002 SM 15 1 405092 PCB ASSY SYSTEM MONITOR 21793 405092 16 1 1405094 ASSY ENHANCED MONITOR 21793 405094 17 1 1407375 FAN ASSY 1261B 21793 407375 70 19 1 456352 COVER TOP 21793 456352 7U 20 1 1456353 COVER BOTTOM 21793 456353 SM 12191 456376 001 OVERLAY FRONT PANEL LED 21793 456376 001 22 1 456376 002 OVERLAY FRONT PANEL DISPLAY 21793 456376 002 23 1 1456382 CABLETRAY STANDARD W 9U CHASSIS 21793 456382 24 1 1456383 COVER REAR 21793 456383 905 25 1 456384 REAR COVER 21793 456384 26 1 456386 ENCLOSURE TOP EXTENSION 21793 456386 27 9 616256 SCREW PPH SEMS ASSY 6 32 375 78189 SEMS W SQ WA 70 28 3 615558 SCREW 100 DEG CSK 6
55. 66 Rev B The following combinations of parity data bits and stop bits are NOT supported No parity 7 data bits 1 stop bit Even parity 8 data bits 2 stop bits Odd parity 8 data bits 2 stop bits If an attempt is made to program one of these combinations the command will be ignored and an error will be generated and placed in the instrument s error queue The error generated will be error number 221 Settings conflict Consult the SCPI reference section of this manual for a complete description of error messages As an example suppose that the system presently has the following RS 232 configuration 9600 baud 1 stop bit no parity 8 data bits Suppose also that the following configuration is desired 9600 baud 1 stop bit even parity 7 data bits Then the parity must be programmed BEFORE the number of data bits is programmed an attempt is made to program the number of data bits to 7 before the parity is set to even then an ilegal combination would temporarily result That is the combination would be 9600 baud 1 stop bit no parity 7 data bits which is NOT allowed Thus the commands must be sent in the following order SYSTEM COMM SERIAL PARITY EVEN SYSTEM COMM SERIAL BITS Note that the order of programming will have to change based upon what the present configuration is and what the desired configuration is That is if we go from 9600 baud 1
56. 766 Rev B Rear Panel When Equipped With Enhanced Monitoring System Power Supply 1261B User Manual See Rear Panel Switch and Connector Descriptions later in this chapter and Figure 3 4 for information on rear panel features Concealed Handles 2415 Monitor Control 4400 AC Input Connector 400 AC Fuse J poer ieee EM M 2c gt lt 2c a Ac gt 2c 2 gt lt 29 2 d 5 ed Ce ee aho d 2 ni Enhanced Monitoring o System EMS Modute AT 1 1 Jar Used with Sowas Current Share Option Supply Z warnixa I 4 shown with Blanking Fan Filter alte Since Plate installed P dl ME Monitor Fail Indicator Estinguished within dou AAT 5 seconds after power on if self test passed x 1 E os 3 Fan Speed Switch 0z Max Variable 1 M 2912 Monitor RS 232 gt C Communications Port s li ch J413 External TTL Trigger Input Output J414 Monitor km 1 1 i Module d A Fan Filter 9 15 Safety Chassis 1 Grounding Screw x m 1 _ Module Cooling Fan gt 1 Assembly L Figure Astronics Test Systems 3 4 Rear View With Enhanced Monitor Operat
57. 766 Rev B SYST ERR on the keyboard Observe the reply to determine the cause of the self test failure The meaning of the replies to this query are discussed later in this section e Turn VXI mainframe power on After the resource manager program has executed embedded computer interfaces or after a five second delay GPIB VXI slot 0 interface send the following command to the EMS over the VXlbus SYST ERR Read the reply to determine the cause of the self test failure The meaning of the replies to this query are discussed later in this section The Self Test Failed message will continually be displayed until it is cleared This message may be cleared using the following command DISP TEXT CLEAR The self tests may also be initiated with an ASCII command over either the RS 232 or the VXIbus interface The command initiates the self test The self test will complete after approximately 3 seconds Upon completion of the self test the result may be read via the VXIbus the result will automatically be sent over the RS 232 interface if the command was received on the RS 232 interface The result of the self test will be one of the following The self test has passed The checksum of the ROM which contains the firmware does not match the checksum stored in the ROM itself 2 The EEPROM checksum does not match the checksum stored in the EEPROM itself
58. 8 Numeric data not allowed 130 Suffix error 131 Invalid suffix 134 Suffix too long 188 Suffix not allowed 113 Undefined header Command header is syntactically correct but not recognized 140 Character data error A character received as a command parameter is invalid Error Messages B 2 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual 141 Invalid character data CME 144 Character data too long 148 Character data not allowed 150 String data error 151 Invalid string data 158 String data not allowed 200 Execution error 210 Trigger error 211 Trigger ignored 212 Arm ignored 213 Init ignored 214 Trigger deadlock 215 Arm deadlock 220 Parameter error 221 Settings conflict 222 Data out of range 223 Too much data 224 parameter value 240 Hardware error 241 Hardware missing 300 Device specific error 310 System error DDE The character data element has an invalid character or the character data is not valid for the command header The character data element contains more than 12 characters A legal character data element was received but is not allowed A string received as a command parameter is invalid A string was received where expected but contained an invalid character e g was not terminated with a quote character A string data element was e
59. AlsTRONICS TEST SYSTEMS RACAL INSTRUMENTS 1261B HIGH POWER INTELLIGENT MAINFRAME VXI CHASSIS Publication No 980766 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 atshelpdesk astronics com _http www astronicstestsystems com Copyright 1995 by Astronics Test Systems Inc Printed in the United States of America 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 n
60. Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Query only Query only Combinations of Parity Data Stop Bits which are NOT allowed NONE 7 1 EVEN 8 2 ODD 8 2 Programming either the TRANSMIT or the RECEIVE direction programs BOTH directions ranges 0 23 0 59 0 59 ranges 1995 2120 1 12 1 31 lt N gt 1 7 Query only lt N gt 1 7 Query only lt N gt 1 4 Query only lt N gt 1 3 Query only lt N gt 1 14 or 1 27 Query only Query only Query only Query only Command only Command has no effect Command has no effect Query only Command has no effect Query only Command has no effect Query on Query on Query only Query only Meaningful range is 0 to 127 Query only Query only Meaningful range is 0 to 127 Query only Query only Meaningful range is 0 to 16383 Query only Query only Meaningful range is 0 to 15 Query only Query only Meaningful range is 0 to 7 SCPI Command Reference 5 7 1261B User Manual Keyword CONDition SENSe VOLTage lt N gt DC UPPer LOWer ALARm TIME DATE CURRent lt N gt DC UPPer LOWer ALARm DATE FREQuency lt N gt RANGe UPPer UPPer LOWer ALARm TIME DATE TEMPerature zN RANGe UPPer UPPer
61. E communications interface across P1 and P2 from slot 0 to slot 12 Connects the VXI extensions across P2 rows a and c from slot 0 to slot 12 Connects the monitoring system module temperature monitor board display board Power On Standby switch and module cooling fans with the power supply Understanding The 1261B 6 3 1261B User Manual Backplane Interconnections Cooling System Rack Mount Cooling System Bench Top Cooling System Understanding The 1261B 6 4 Publication No 980766 Rev B The Power On Standby switch S100 connects to the backplane through a polarized locking wire to board header at J54 The front panel display module and the temperature monitor board connect to the backplane through a 24 pin ribbon cable IDC header at J50 The module cooling fans connect to the backplane through a polarized locking wire to board header at J56 The power supply mates with the backplane through board to board connector J52 The monitoring system module mates with the backplane through a board to board connector at J51 The Module Fan assembly located at the bottom rear of the mainframe houses three cooling fans The speed of these fans is controlled to maintain a temperature rise of lt 10 C across any module slot in the mainframe In high ambient temperature conditions of gt 40 C the fans shall run full speed Module cooling air enters at the bottom sides of the 1261B Rack Mount mainframe and is f
62. I allows the user to either connect 5 an external alarm eg A Sona Alert close an external relay to Indicator sound a larger alarm or turn on an emergency flashing light if the 1261B chassis EMS module senses an alarm condition When enabled the DFI would output a true on the TRIG OUTPUT TTL line low J413 2 when any of the following errors 1 Over Current on any rail 2 Over Voltage on any rail 3 Under Voltage on any rail 4 Over Ambient Temperature 55 C 5 Over Slot Temperature maximum 55 C of any slot 6 Fans below minimum fan speed of 2000 RPM Programming the The default mode is DFI OFF after power up RESET enable the operation send Discrete Fault 3 Indicator VXI CONF MONITOR TRIG OUTPUT DFI To confirm the DFI is on send VXI CONF TRIG OUTPUT Reply is Astronics Test Systems Using The Enhanced Monitoring System 4 27 1261B User Manual Testing the DFI Operation Programming a Trigger Delay Time Publication No 980766 Rev B A piezo electric alarm can be connected in the following manner Connect J413 2 to the minus terminal of the alarm TRIG OUT Connect J414 1 to the plus terminal of the alarm 5VDC Use the VIC program to send the command VXI CONF MONITOR TRIG OUTPUT DFI Run 1261B EMS Soft Front Panel Go the Voltage Set Limit screen Set the 5VDC limit to 5 00 The DFI TRIG OUT w
63. I backplane to an External Trigger Out connector A programmable delay may be added to the trigger before it is output to the External Trigger Out connector e Calculates the maximum VXI slot temperature rise relative to the ambient temperature and outputs a voltage proportional to the maximum temperature rise at the rear panel monitor connector J414 e Calculates the maximum VXI slot temperature and outputs a voltage proportional to the maximum slot temperature at the rear panel monitor connector 9414 e Provides RS 232 interface J412 over which commands may be received and replies sent by the EMS Many of the monitored functions provide the capability for the user to program upper and or lower limit values When a limit is exceeded the EMS will generate a VXI interrupt if enabled to do so which notifies the user of an alarm condition Refer to Chapter 4 Using the Enhanced Monitor for complete information For many of the monitored functions a timestamp is saved by the EMS software This time stamp indicates the time of the most recent occurrence of an alarm condition for that monitored function The timestamp may be queried by the user via SCPI commands The timestamp includes both time and date information for the alarm Refer to Chapter 4 Using the Enhanced Monitor for complete information TTL pulse train at the speed RPM of each fan is output to the EMS rear panel Monitor Connector J414 The fans output two
64. MONITOR TRIG OUTPUT TTLTRGO VXI CONF MONITOR TRIG OUTPUT TTLTRG1 VXI MONITOR TRIG OUTPUT TTLTRG2 VXI CONF MONITOR TRIG OUTPUT TTLTRG3 VXI CONF MONITOR TRIG OUTPUT TTLTRG4 VXI CONF MONITOR TRIG OUTPUT TTLTRG5S VXI CONF MONITOR TRIG OUTPUT TTLTRG6 VXI CONF MONITOR TRIG OUTPUT 7 VXI CONF MONITOR TRIG OUTPUT NONE VXI CONF MONITOR TRIG OUTPUT INPUT VXI CONF MONITOR TRIG OUTPUT DET The first eight commands above connect the TRIG OUT output to TTLTRGO through TTLTRG7 respectively The ninth command disconnects the TRIG OUT output from all of the TTLTRG lines The last command connects the TRIG IN input to the TRIG OUT output without affecting any of the TTLTRG lines In this case if the TRIG IN input is already connected to a TTLTRG line it will be disconnected prior to connecting it to the TRIG OUT output Note that by selecting one TTLTRG line all other TTLTRG lines are implicitly disconnected To determine which line is presently connected the query VXI CONF MONITOR TRIG OUTPUT Using The Enhanced Monitoring System 4 26 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual may be used The reply to this query will be one of the following TTLTO TTLT2 TTLT3 TTLT4 TTLT5 TTLT6 TTLT7 NONE INP DFI The Default state for this command is NONE Discrete Fault Discrete Fault Indicator DF
65. MS Rear Removeable Supply Fan Filter Blind Mate Pluggable Fan Assembly Rear Removeable Module Fan Filter Figure 1 3 Modular Service Friendly Mainframe Design Features Getting Started 1 4 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual 2000 Watts Figure 1 4 depicts the 1261B high power plug in power supply 4 Table 1 1 lists the available DC current for each VXI voltage Available DC Power High Power Pluggable Power Supply Assembly Figure 1 4 1261B High Power Pluggable Power Supply Table 1 1 1261B Available DC Current VXI Voltage Available DC Current Astronics Test Systems Getting Started 1 5 1261B User Manual Publication No 980766 Rev B High Capacity The 1261B uses forced air positive pressure cooling to direct air to m the VXI modules Positive Pressure Cooling System Figure 1 5 details the bench top cooling system Bench Top Cooling System _ Power Supply Air Intake Exhausts other side of mainframe Instrument Air Intake Pluggable Fan Assembly Figure 1 5 1261B Bench Top Mainframe Positive Pressure Cooling System Getting Started 1 6 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Figure 1 6 details the 1261B Rack Mount cooling system The Rack Mount 1261B Rack Mount has air intake at the bottom sides and Cooling exhausts at the top rear consistent with industry standard rack System mount cooli
66. Monitor Power Suppl 405092 405094 P51 2101 2102 Pts Backplane 155 J6 J1 J2 256 405095 Sensor Temperature Monitor 405093 Slot 12 wo 55 4a v 8 8 5 9 9 5 95 51 8 Ml nl Alla IT ALA Power Display Assembly Switch 405091 Figure 6 1 Functional Block Diagram For 1261B Chassis Understanding The 1261B 6 2 Astronics Test Systems Publication No 980766 Rev B Power Supply Protections Backplane Astronics Test Systems 1261B User Manual The seven VXIbus power supply outputs are protected for Over voltage Over current Over temperature The AC input of the power supply includes protections for Input current limit 15 Amps Over temperature See Appendix A for specification details pertaining to the above protections If any of the above protections are active the power supply is shutdown This means it has effectively turned itself off to protect the system The Power On Standby switch or the Remote Inhibit input must be cycled to turn the mainframe back on Refer to Powering On The Mainframe and Using Remote Power On Standby Switching in Chapter 3 The Backplane serves several functions Rigid mechanical interface which accommodates a lifetime of insertions of VXI modules and the plug in power supply Supplies DC voltages and currents to modules Connects the VM
67. NOT case sensitive Command parameters are NOT case sensitive unless the parameter is string data enclosed in quotes For example the following commands are all equivalent DISPLAY Display DiSpLaY disPLAY display Astronics Test Systems Publication No 980766 Rev B Optional Keywords Multiple Identical Capabilities and Keyword Suffixes Astronics Test Systems 1261B User Manual Command keywords enclosed in square brackets are optional For example all of the following commands are valid and equivalent DISPLAY WINDOW TEXT DATA Hello DISPLAY TEXT DATA Hello DISPLAY WINDOW TEXT Hello DISPLAY TEXT Hello A colon is used to separate a command keyword from a lower level keyword as shown below DISP WIND TEXT STATE A semicolon is used to separate commands within the same subsystem and can also minimize typing For example sending the following command string DISP TEXT Example Text STATE ON is the same as sending the following two commands DISP TEXT Example Text DISP TEXT STATE ON Use the colon and semicolon to link commands from different subsystems For example in the following command string an error is generated if both the colon and the semicolon are not used DISP TEXT STATE ON SYSTEM ERR In several places in the EMS there are n
68. ODE Returns the current monitoring mode The reply to the query is 0 or 1 for new mode or old mode respectively Using The Enhanced Monitoring System 4 10 Astronics Test Systems Publication No 980766 Rev B Programming The VXI Bus Error and IACKn Tolerance Limits Reading The VXI Bus Error and IACKn Counters Astronics Test Systems 1261B User Manual The EMS provides monitoring of the VXI Bus Error or IACKn events Only one of the following events may be monitored at one time Bus Error BERR IACK1 IACK2 IACKG IACK7 Programming an upper limit for any of these events results in all other events being ignored by the EMS The following commands may be used to set the upper limit for either the Bus Error or IACK events SENSE VXI BERR LIMIT 255 set BERR limit SENSE VXI IACK1 LIMIT 128 set IACK1 limit SENSE VXI IACK2 LIMIT 233 set limit SENSE VXI IACK3 LIMIT set IACKS limit SENSE VXI IACK4 LIMIT 2 set IACK4 limit SENSE VXI IACK5 LIMIT 3 set IACK5 limit SENSE VXI IACK6 LIMIT 44 set IACK6 limit SENSE VXI IACK7 LIMIT 113 set IACK7 limit Each limit may be set to an integer value between 0 and 255 Setting the limit to 0 disables the monitoring of the BERR and all lines Each of the commands has an associated query which may be used to read the present limit fo
69. Publication No 980766 Rev B 1 Ensure AC mains input J400 is disconnected 2 Insert flat blade screwdriver into fuse carrier slot at F400 in power supply rear panel and rotate counter clockwise to remove 3 To replace fuse insert the fuse carrier and fuse assembly into fuse housing opening for F400 on power supply 4 Insert flat blade screwdriver into fuse carrier and rotate clockwise to lock fuse assembly in place Removing and Complete the steps below while referring to Figure 7 10 to remove and replace the card guides The procedure applies to Replacing The Card top and bottom card guides Guides Pry this direction Card Guide V Groove Figure 7 10 Card Guide Removal and Replacement Maintenance 7 14 Astronics Test Systems Publication No 980766 Rev B Troubleshooting The 1261B Astronics Test Systems 1261B User Manual 1 Insert a flat blade screwdriver into the slot in front of the retaining hook 2 Gently pry the tab of the retaining hook to the rear and lift the card guide releasing it at the front 3 Gently pull the card guide forward releasing it from the center and rear retaining hooks Bowing the card guide is required to clear the front rail 4 To replace align the card guide with the mainframe front ensuring that the V groove is at the front 5 Gently push down and to the rear to engage the hooks at the rear and middle of the card guide Bowing the card guide is
70. Query only Query only N 1 7 set current monitor limit may be specified but is ignored Query only Query only N 1 4 1 all 3 fans set maximum frequency limit set minimum frequency limit Query only Query only N 1 3 set maximum time limit may be specified but is ignored Query only Query only N 1 14 or 1 27 if option installed set maximum temperature temp rise Not Confirmed may be specified but is ignored Not Confirmed Not Confirmed Not Confirmed Query only Query only Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Query on Query on Query only Query only N 1to7 Query only Command Query on Query on Query only Command Query only Query only Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Parameter Form Default in Bold SCPI 1994 0 Notes VXI Confirmed CONFigure Confirmed MONItor Not Confirmed TRIGger Not Confirmed INPut TTLTRGO TTLTRG1 TTLTRG2 TTLTRG3 Not Confirmed TTLTRGA TTLTRG5 TTLTRG6 TTLTRG7 OUTput TTLTRGO TTLTRG1 TTLTRG2 TTLTRG3 Not Confirmed TTLTRG4 5 TTLT
71. RG6 TTLTRG7 NONE INPut DELay Not Confirmed TIME 0 0 1 04857596875 Not Confirmed STATe INPut OUTput OFF Not Confirmed DISPlay Confirmed WINDow Confirmed Confirmed CLEar Confirmed DATA string data Confirmed enclose string data in quotes STATe OFF ON 0 1 Confirmed Common Commands Parameter Form Default Min Max IEEE 488 2 Notes Confirmed 0 0 255 Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed 10 11 21 31 4 5 6 7 81 9 Confirmed Confirmed 101 11 21 31 4 5 6 7 81 9 Confirmed 0 0 255 Confirmed Confirmed Confirmed Confirmed command has no effect Confirmed Confirmed command has no effect Notes The limits and default values depend upon which power supply is being measured Consult Table 5 2 Although these MEASure commands are identified SCPI version 1994 0 this implementation does NOT accept either the expected value or the resolution as a parameter The MEASure commands accept NO parameters as implemented by the Enhanced Monitoring System Astronics Test Systems SCPI Command Reference 5 9 1261B User Manual Publication No 980766 Rev B The parameter limits for the numeric commands are shown in Command Table 5 2 Parameter Limits Table 5 2 Defaults Minima and Maxima Command Default Minimum Maximum Notes SENSE VOLT1 RANGE UPPER 5 4 5 0 40 0 5V PS voltage upper tolerance SENSE VOLT1 RANGE LOWER 46 0 0 5 0 5V PS volt
72. Rack Astronics Test Systems 1261B User Manual The assistance of a second person may be needed for the following instrument rack assembly Secure the slide mount assembly in the designated location of the instrument rack using the procedure below NOTE To insure slide bracket kits are installed correctly to the slides it is necessary to install the rack mounting ears Items 4 and 5 to the mainframe at the desired recess If the mounting rail of the instrument rack is tapped for 10 32 screws drill out two places for each bracket using a 4 inch diameter bit Proceed with the assembly Refer to Figures 2 3 2 4 2 5 and Table 2 1 1 Take the 1261B mainframe and remove the button head cap screw securing plastic trim pieces at top and bottom of front side rails both sides Remove trim pieces and slide trim plate from both side rails Reinsert plastic trim pieces top and bottom position rack mounting ears Items 4 and 5 to give desired recess and secure loosely with two flat head screws Item 20 each side passing through the trim piece holes Insert rack mount ear shim plate Item 6 in each side rail groove and slide up behind rack mount ear Align hole in shim and ear and secure with flat head screw Item 20 both sides Tighten top and bottom screws Item 20 NOTE To comply with VXIplug amp play receiver interconnection specification for interlocking receivers using interconnect adaptors secure the rack mo
73. Speed oe o e aet tete e t ue n I utet ient 6 5 SMS Fan Speed a cse ERU 6 5 SMS Fan Speed eer best baci tbe ntl bae acl s A pe tat 6 5 SMS Temperature Monltor eren e a tede ede Ra RE eee Rae eet eee 6 5 SMS Voltage MONIO Geo 6 6 SMS Gurrent Monitoring x rcr or Or aee as le kun a Det ruber be ten On dM 6 6 Enhanced System Monitor EMS cedes 6 6 EMS Module System 6 8 EMS Module General Capabilities e dn Rn RR LER ER ARE 6 8 User Limits On EMS Monitored 6 9 Timestamps On EMS Monitored Events 6 9 EMS Rear Panel Fan Speed 6 9 FarnSpeed COM seid in oer be E Pte p n 6 10 EMS Fan Speed ee eu s E NEUE dre acr c n e d xa det en bts 6 10 C a cee T 7 1 MAINTENANCE aeter te paetos io po qut 7 1 Mhars In This Ghapier fxs S ser hiat me 7 1 ST VIG Strateg ycie DR 7 1 val coe A MAI M M ML MM LE 7 1 sje iie S Pe de Mes deere Rael a 7 1 Inspection and Cleaning
74. Status Readout Astronics Test Systems Voltage Current 5 1 Amp maximum Self Healing Fuse 1 Amp maximum Self Healing Fuse 1 Amp maximum Self Healing Fuse 100 mV per C 0 C corresponds to 0 V output 1 5 C accuracy 5 to 85 C range 100 mV per C 0 C corresponds to 0 V output 1 5 C accuracy 5 to 85 C range 2 Pulses Rev each fan has TTL level Tach output 2000 to 4800 RPM LED bi color red green annunciator green indicates supply within tolerance red indicates supply out of tolerance 12 V 24 V Tolerance limits V nominal 8 75 10 3 accurac LED bi color red green annunciator green indicates supply within tolerance red indicates supply out of tolerance Tolerance limits 107 of rated current 7 accuracy at full scale LED bi color red green annunciator green indicates supply within tolerance red indicates supply out of tolerance Tolerance limits AT gt 20 C Tmax gt 75 C 1 5 C accurac LED bi color red green annunciator green indicates supply within tolerance red indicates supply out of tolerance Tolerance limit Fan speed gt 900 RPM 100 RPM accurac Specification A 11 1261B User Manual Publication No 980766 Rev B Table A 9 EMS Monitoring System Specifications Typical Characteristics Auxiliary Rear Panel DC Voltage Outputs Maximum slot temperature Tmax Rear Panel Output Voltage Fan Speed Control Voltag
75. TB where SRE is the value as set by the SRE command STB is the value of the Status Byte which may be read with STB query or by performing a serial poll VXI read STB commana Bit 6 of the Status Byte is also known as the Master Status Summary bit When this bit transitions from a 0 to a 1 a VXI Request True interrupt is generated by the EMS When this bit transitions from a 1 to a 0 a VXI Request False interrupt is generated by the EMS The command has the format SRE lt SRE value gt where the lt SRE value gt is an integer numeric value in the range 0 to 255 The value of bit 6 of this register is ignored since it does not make sense to enable an interrupt when an interrupt is generated This query reads the value presently programmed for the Service Request Enable Register This reads the value as programmed by the SRE command Astronics Test Systems Publication No 980766 Rev B STB Query OPC Command Astronics Test Systems 1261B User Manual This query reads the value of the Status Byte Each bit of this register indicates a true false status condition When the bit is set the condition is TRUE when the bit is cleared the condition is FALSE The bit assignments are defined by the IEEE 488 2 The bit assignments are as follows specification Bit 0 Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 Not used Always returns 0 Not used Alw
76. VXI 24V Current Status 3 5 VXI 24V Current Status 4 6 VXI 12V Current Status 5 7 VXI 12V Current Status 8 8 9 9 Summary of TIME Events Summary of TEMP Events Summary of FREQ Events Summary of VXI Events Figure 4 3 Status Reporting Hierarchy Astronics Test Systems Using The Enhanced Monitoring System 4 21 1261B User Manual Publication No 980766 Rev B The final step for enabling out of tolerance conditions to generate an interrupt is to enable bit 3 of the Status Byte to generate an interrupt The IEEE 488 2 SRE command is used to enable bits of the Status Byte to generate an interrupt Thus if bit 3 of the SRE Register value is set then an interrupt will be generated by the EMS when bit 3 of the Status Byte becomes set The following example enables bit 3 and bit 0 of the Status Byte When either of the bits transition from a 0 to a 1 an interrupt will be generated SRE 9 i i The EMS maintains a power on clock This clock counts each Clearing The Filter second that the mainframe power switch is turned to the ON Service Alarm state This clock is used to determine both the cumulative power on time and the power on time which has elapsed since the last time the filter was cleaned The time interval for cleaning the filter is set using the SENSE TIME3 RANGE UPPER command This command sets the number of seconds which must elapse the mainframe power ON before the Filter Service
77. ach side These nuts should be aligned with the slots in the rack mounting ears previously attached to the mainframe Items 4 and 5 b Slide the instrument fully into the rack until the rack mounting ears strike the slide screws or front rail Secure the instrument in place using six Phillips Panhead 10 32 x 3 4 screws Item 13 Rack mount Installation is now complete Instructions for installing Option 54 1 and 54 2 Receiver Front Extension Mount Assembly P N 407421 and 407431 onto the 1261B are included in the kit that is shipped with the option See Figures A 5 and A 6 for side view and dimensions Instructions for installing Option 52 Inter module Shields P N 407419 onto the 1261B are included in the kit that is shipped with the option Instructions for installing Option 23 ASFP Panel P N 407322 onto the 1261B are included in the kit that is shipped with the option NOTE The door is part of Options 02 03 12 and 13 The door will not function if the rack mount ear is installed at the first or second row of holes behind the flange Configuring The 1261B 2 13 1261B User Manual Publication No 980766 Rev B Refer to Figure 2 8 and Table 2 2 and perform the following steps to install the rack mount door 1 Install lower halves of the two hinges part of Item 2 to the rack mount ears with flat head screws Item 4 2 Install upper halves of hinges on the door with pan head screws 3 3 Install door
78. age lower tolerance SENSE VOLT2 RANGE UPPER 4 8 5 2 00 5 2V PS voltage upper tolerance SENSE VOLT2 RANGE LOWER 5 6 40 0 5 2 5 2V PS voltage lower tolerance SENSE VOLT3 RANGE UPPER 1 8 2 0 0 0 2V PS voltage upper tolerance SENSE VOLT3 RANGE LOWER 2 2 16 0 20 2V PS voltage lower tolerance SENSE VOLT4 RANGE UPPER 25 9 24 0 100 0 24 PS voltage upper tolerance SENSE VOLT4 RANGE LOWER 22 1 0 0 240 24V PS voltage lower tolerance SENSE VOLT5 RANGE UPPER 22 1 24 0 00 24V PS voltage upper tolerance SENSE VOLT5 RANGE LOWER 25 9 100 0 24 0 24 PS voltage lower tolerance SENSE VOLT6 RANGE UPPER 12 9 12 0 100 0 12V PS voltage upper tolerance SENSE VOLT6 RANGE LOWER 11 1 0 0 12 0 12V PS voltage lower tolerance SENSE VOLT7 RANGE UPPER 11 1 12 0 00 12V PS voltage upper tolerance SENSE VOLT7 RANGE LOWER 12 9 100 0 12 0 12 PS voltage lower tolerance SENSE CURR1 RANGE UPPER 85 6 0 0 100 0 5V PS current upper tolerance SENSE CURR2 RANGE UPPER 64 2 0 0 75 0 5 2 PS current upper tolerance SENSE CURR3 RANGE UPPER 32 1 0 0 37 5 2V PS current upper tolerance SENSE CURR4 RANGE UPPER 12 9 0 0 15 0 24V PS current upper tolerance SENSE CURR5 RANGE UPPER 12 9 0 0 15 0 24 PS current upper tolerance SENSE CURR6 RANGE UPPER 13 9 0 0 16 3 12V PS current upper tolerance SENSE CURR7 RANGE UPPER 13 9 0 0 16 3 12V PS current upper tolerance SENSE FREQ RANGE UPPER 5200 0 2000 0 7650 0 All Fans upper RPM tolerance SENSE FREQ RANGE LOWER 2
79. an 2 lower limit SENSE FREQ4 RANGE UPPER 7220 fan 3 upper limit SENSE FREQ4 RANGE LOWER 2650 fan 8 lower limit Each of these commands has an associated query For example the query SENSE FREQ4 RANGE LOWER reads the lower fan speed tolerance limit for fan 3 Refer to Table 5 2 for a description of a range of values accepted for this command The ambient temperature is monitored to ensure that it does not exceed an upper limit The following command may be used to set the ambient temperature limit SENSE TEMP14 RANGE UPPER 63 0 This example sets the upper limit of the ambient temperature to 63 degrees Celsius The present upper limit for the ambient temperature may be read with the query SENSE TEMP 14 RANGE UPPER Refer to Table 5 2 for a description of a range of values accepted for this command Using The Enhanced Monitoring System 4 8 Astronics Test Systems Publication No 980766 Rev B Programming The VXI Slot Temperature Tolerance Limits Astronics Test Systems Each VXI slot is individually monitored to ensure that the 1261B User Manual temperature does not exceed its programmable limit SENSE TEMPerature lt N gt Commands These commands set either the absolute temperature limits or relative temperature limits for the VXI chassis following the TEMPerature i
80. anual Installing The First perform the procedure Installing The Slides Into The Rack provided below when installing Rack Mount Options e Option 01 7U Rack Mount w Slides Only Option 02 70 Rack Mount w Slides amp Door e Option 11 9U Rack Mount w Slides Only Option 12 9U Rack Mount w Slides amp Door Next perform the procedure Preparing The Mainframe For Rack Mounting when installing e All Rack Mount Options Finally perform procedure Installing The Mainframe Into The Rack when installing e All rack Mount Options Reference Figures 2 3 2 4 2 5 and Table 2 1 while performing the installation of the rack mount kits E ma Quick Disconnect Slides Adjustable Rack Mount Ear Cable Tray Allows incremental Allows cable routing recessed rack mounting without interference Tinted Plexiglass adds protection while allowing viewing of annunciators Shim Plate Figure 2 3 Rack Mount Options Major Components Astronics Test Systems Configuring The 1261B 2 5 1261B User Manual Publication No 980766 Rev B Y Instrument Chassis Rail EN Intermediate Rail 9 Front Rack Bracket S S Retaining Nut Part of Item 29 S 7 Wu is 4 9 9 FRONT Rack Rail Access Hole for Mounting Bracket Bracket Kit Mounting Hardware Part of Item 29 Bracket Kit Mounting Hardware Part of Item 29 Rear Rack Bracket Part of tem 29 Figure 2
81. arity error in program message 362 Framing error in program message 363 Input buffer overrun 400 Query error 410 Query INTERRUPTED 420 Query UNTERMINATED 430 Query DEADLOCKED 1000 VXI signal queue overflow 1001 VXI interrupt queue overflow 1002 VXI bus error 1003 VXI bus timeout 1005 1999 Internal error xxx Error Messages B 4 The EMS s memory is corrupted The SAV or RCL command has failed due to a corrupted nonvolatile memory Configuration information has been lost due to a corrupted nonvolatile memory The self test has failed If this is set at power up execute the TST query to determine what has failed An attempt was made to add an error message to a full error queue Thus the error queue has overflowed A communication error has occurred over the RS 232 interface A parity error has been detected in the command over the RS 232 interface A framing error has been detected in the command over the RS 232 interface The RS 232 interface input buffer has been overrun A query error has been detected The query has been interrupted see IEEE 488 2 Sec 6 3 2 3 see IEEE 488 2 Sec 6 3 2 2 for a description The query has reached a deadlocked state This happens when the input buffer is full the output buffer is full and a reply to a query cannot be generated The signal queue has overflowed Sending VXI signals is an alternative method of gene
82. armonic emissions EN 55011 Class B FCC Part 15 Class B limits for conducted emissions Immunity Enclosure Radio Frequency No mainframe failures when the mainframe is Electromagnetic Field subjected to a 3 V m electromagnetic field over the frequency range of 27 MHZ to 500 MHZ Immunity Enclosure Electrostatic Up to 8 kV with no change to control settings or Discharge ESD impairment of normal operation Immunity Fast Transients Common Mode Port Peak Voltage Tr Th Rep Frequency Signal amp Control 0 5 5 50 ns 5 kHz DC Power 0 5 5 50ns 5 kHz Llm t Power 1 0kV 5 50 ns 5 kHz MTTR Power Supply Fans Filters and lt LL minutes EMS or SMS module Specification A 6 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Table A 6 Backplane Bus Grant Interrupt Solid state auto configuring jumper Acknowledge less VXlbus CLK10 Distribution Full differential Table A 7 Mechanical Overall Dimensions 7U Standard Mainframe Height 12 22 in 81 0 cm Width 17 38 in 44 1 cm Depth 23 68 in 60 1 cm 9U Mainframe with Rack Mount Height 15 72 in 39 9 cm Width 19 00 in 48 3 cm with rack ears Depth 23 68 in 60 1 cm to 28 38 in 72 1 cm in 0 625 inch 1 58 cm increments user selectable Standard cable tray used in 9U mainframe provides 16 12 40 9 x 62 1 6cm cable exit area from rear of mainframe Tray height 1U Cable Tray Option 21 9U mainframe See Figure A 4 for overall ma
83. as left intentionally blank SCPI Command Reference 5 12 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Chapter 6 UNDERSTANDING THE 1261B Overview The 1261B Mainframe consists of the following major functional blocks e Power Supply e Backplane e Cooling System e Monitoring System Figure 6 1 shows the functional block diagram of the 1261B Mainframe The power supply accepts power from the AC mains and Power Supply converts it to DC to power the following VXI modules installed into the backplane e Backplane terminations and daisy chaining logic e Module Cooling Fans e System Monitoring Module e Temperature Monitor Module e Front Panel Display Power is supplied to the backplane through board to board Power Supply connector P52 eliminating any wiring and sub backplane Interconnection interconnect boards This design reduces the path impedance between the supply and the VXI modules receiving power which results improved dynamic current performance See Appendix A for specifications Astronics Test Systems Understanding The 1261B 6 1 1261B User Manual Publication No 980766 Rev B 5 3E 5 5 e gt 2 o T c 6 e E 5 as 2 5 Fan 55 N 2 of Assembly 2k ge 52 lt lt 65 OQ 3 5 2 ec gt P355 SO lt 53 s 52 4816 J355 J411 Optional System Monitor Enhanced
84. ays returns 0 Not used Always returns 0 Set when the SCPI Questionable Condition Register ANDed with the SCPI Questionable Condition Enable Register is non zero Message Available MAV Set when there is a reply in the output buffer to be read Extended Status Byte ESB Set when the IEEE 488 2 Standard Event Register ANDed with the IEEE 488 2 Standard Event Status Register is non zero Master Summary Status MSS Set when the value of the Status Byte ANDed with the value of the Service Request Enable Register is non zero When this bit transitions from a 0 to a 1 a Request True interrupt is generated When this bit transitions from a 1 to a a Request False interrupt is generated Not used Always returns 0 The OPC command will cause the Operation Complete bit of the Standard Event Status Register SESR to be set when the command is executed This is bit O of the SESR The value of the SESR may be read using the ESR query The OPC command has no parameters The only valid syntax for this command is ZORC Using The Enhanced Monitoring System 4 43 1261B User Manual Publication No 980766 Rev B OPC Query The query causes the EMS to reply with the value of 1 when the query is executed This query may be used to ensure that all previous commands have been executed so the application program may be sure that tolerances and other attributes have been programmed before continuing
85. blank Using The Enhanced Monitoring System 4 50 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Chapter 5 SCPI COMMAND REFERENCE What s In This Chapter Introduction To SCPI Language Astronics Test Systems This chapter contains reference information for programming the 1261B Enhanced Monitoring System EMS Standard Commands For Programmable Instruments SCPI convention rules and syntax are explained in detail Table 5 1 lists all SCPI commands used for programming the EMS The command summary for each SCPI model is also included in this chapter This chapter teaches you how to use 5 commands to control functions modes waveforms and other aspects of the instrument Prior understanding of SCPI programming is necessary for low level programming of the EMS Commands to program the instrument over the VXlbus and RS 232 interfaces are defined by the SCPI 1994 0 standard The SCPI standard defines a common language protocol It goes one step further than IEEE STD 488 2 and defines a standard set of commands to control every programmable aspect of the instrument It also defines the format of command parameters and the format of values returned by the instrument SCPI an ASCll based instrument command language designed for test and measurement instruments SCPI commands are based on a hierarchical structure known as a tree system In this system associated commands are grouped together unde
86. digits represented by YYYY PS Voltage Sensors 5V 5 2V 2V 24V 24V 12 12V This error is returned when the Power Supply voltage sensors for one or more of the power supplies has failed All seven power supplies are shown in this example Only the failing supplies will be shown when this error occurs This message may be returned if the TST command returns a value of 3 PS Current Sensors 5V 5 2V 2V 24V 24V 12 12V This error is returned when the Power Supply current sensors for one or more of the power supplies has failed All seven power supplies are shown in this example Astronics Test Systems Using The Enhanced Monitoring System 4 47 1261B User Manual Publication No 980766 Rev B Only the failing supplies will be shown when this error occurs This message may be returned if the TST command returns a value of 3 Fan Speed Sensors 1 Fan 2 Fan 3 This error is returned when the fan speed monitor sensors for one or more of the fans has failed All three fans are shown in this example Only the failing fan s will be shown when this error occurs This message may be returned if the TST command returns a value of 3 Ambient Temperature Sensor This error is returned when the ambient temperature sensor has failed The message may be returned if the TST command returns a value of 3 Slot Temperature Sensors Slots 1 2 3 4 5 6 7 8 9 10 11 12 This error is returned when one more of
87. e Figure 7 6 Removing The Power Supply 4 Firmly grasp each handle and pull evenly using a slight side to side rocking motion If the power supply is difficult to remove recheck to make sure all the thumbscrews are disengaged 5 To reinstall a power supply into the mainframe first align the power supply with the cavity at the rear of the mainframe Note that the silkscreen on the supply rear panel will read correctly when the supply is in the proper orientation Use the alignment of the threads on the upper fasteners as a visual guide 6 Gently guide the power supply forward until engagement of the blind mate connector is felt 7 Exert pressure by using the palm of hand to assist final engagement 8 When fully seated tighten the six thumbscrews Do not over tighten Astronics Test Systems Publication No 980766 Rev B 1261B User Manual This procedure applies to the Standard Monitoring System module Removal and and the Enhanced Monitoring System EMS module Refer to Replacement of Figures 7 7 and 7 8 while following the steps below The System Monitor 1400 AC input d n Sd Thumb Screws 2 METER Ad Handles 2 Figure 7 7 Monitor System Module Rear View WARNING Ensure that J400 AC Input is disconnected before removing or replacing the System Monitoring SMS or EMS mod
88. e Current 5 V 1 Amp maximum Self Healing Fuse 12 V 1 Amp maximum Self Healing Fuse 24 V 1 Amp maximum Self Healing Fuse 100 mV per C 0 C corresponds to 0 V output 1 5 C accuracy 5 to 85 C range OV Minimum fan speed 1V Maximum fan speed 1 5 C accuracy 5 to 85 C range Fan Speed TACH Rear Panel Outputs 2 Pulses Rev each fan has TTL level Tach output Fan Speed Range typical 2000 to 4800 RPM VXI Power Supply Voltage Health Status Readout VXI Power Supply Current Health Status Readout VXI Power Supply Temperature Health Status Readout Available at Front Panel Display VXI Message Based Interface RS 232 interface Default Tolerance limits V nom 8 75 10 3 accurac Available at Front Panel Display VXI Message Based Interface RS 232 interface Default Tolerance limits 107 of rated current 7 accuracy at full scale typical Available at Front Panel Display 1 x 10 Characters VXI Message Based Interface RS 232 interface Absolute Temp 55 C Default Tolerance limits AT gt 30 C Tamb gt 55 C 1 5 C accuracy 5 to 85 C range Specification A 12 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual VXI Power Supply Airflow Health Status Available at Readout Front Panel Display 1 x 10 Characters VXI Message Based Interface RS 232 interface Tolerance limit 2000 RPM lt Fan speed lt 5000 RPM 200 RPM
89. e asserted PON TIME Elapsed power on time limit reached TOT PON TM Elapsed cumulative power on time limit reached FILTER Filter service time limit reached Programming The RS 232 Interface Programming The Baud Rate Each of these messages will be flashed on the display If more than one out of tolerance condition is detected each status message will be displayed in a round robin fashion The EMS includes an RS 232 interface which may be used to send commands and receive replies The RS 232 interface operates at one of four baud rates 1200 2400 4800 or 9600 It supports 7 or 8 data bits even odd or no parity and 1 or 2 stop bits The default baud rate data bits stop bits and parity are selected using DIP switch SW1 These settings will be used upon power on or upon reset Consult the configuration diagram in section 2 of this manual for switch settings of SW1 The baud rate data bits stop bits and parity may be programmed using commands over the VXIbus or over the RS 232 interface The baud rate may be programmed using the command SYSTEM COMM SERIAL BAUD baud rate where lt baud rate gt will be one of the following 1200 2400 4800 or 9600 The present baud rate may be read back using the query SYSTEM COMM SERIAL BAUD The EMS will reply with one of the four possible values Using The Enhanced Monitoring System 4 34 Astronics Test Systems Publication No
90. e software first power on the mainframe see Powering On The Mainframe in Chapter 3 then perform the following operations 1 Start Windows 3 1 or 3 11 on your computer if it is not already running 2 Insert the VXIplug amp play installation disk 1 into the 3 1 2 floppy disk drive 3 Run SETUP program on the installation disk 4 Follow the instructions presented by the SETUP program After the SETUP program has completed the executable Soft Front Panel program may be run To run the Soft Front Panel ensure that the following conditions are met 1 The computer is connected to the 1261B VXI mainframe via a MXI VXI interface a GPIB VXI interface or the computer is an embedded VXI computer 2 VISA is loaded onto your system VISA is a library of functions which provide communication between a computer and instruments GPIB and VXI VISA may be obtained from the manufacturer of GPIB VXI or embedded computer 3 The 1261B mainframe has power applied and the power switch has been turned ON 4 For the MXI VXI and embedded computers the resource manager program has been run since the 1261B mainframe power was last turned ON To run the Soft Front Panel double click on the 1261B EMS Front Panel icon in the VXIPNP Windows Group If the four conditions above are met the Soft Front Panel program will automatically locate the EMS in the 1261B Mainframe The Soft Front Panel program will
91. ear of the director into the rectangular hole at the rear of the cardguide 1 Slight downward pressure on top of the director with the other hand at the rear may be required to engage the hook into the cardguide 3 Slightly flex the director upwards at the front maintaining pressure at the rear and lower the center hook of the director into the center rectangular hole in the cardguide 2 4 Press down and back to allow both center and rear hook to engage fully into the cardguide 5 Lower the front of the director and allow the snap in hook to rest on the cardguide 3 6 With a slotted screwdriver or similar flat bladed tool depress the spring hook 4 at a slight downward angle applying light pressure to the logo area This will cause the snap hook to firmly seat the director into place 7 remove the airflow director depress the snap in hook 4 from the front with a flat bladed tool This will unlatch the hook and allow removal from the cardguide at the front end 8 Pull forward to release the fixed hooks at the center and rear Installing In order to optimize module cooling performance install optional blank panels P N 404836 into unused or empty slots Secure Blanking Panels win two captive mounting screws Refer to Figure 2 2 Mounting Screws Top and Bottom Blank Pane Figure 2 2 Blanking Panels Configuring The 1261B 2 4 Astronics Test Systems Publication No 980766 Rev B 1261B User M
92. early identical measuring capabilities across multiple instances of a monitored attribute For example the voltage from 7 different power supplies can be read The base keyword used to measure the power supply voltage is shown as MEASure VOLTage N 1 7 This represents eight different keywords MEASure VOLTage read 5V Power Supply EASure VOLTagel read 5V Power Supply EASure VOLTage2 read 5 2V Power Supply EASure VOLTage3 read 2V Power Supply MEASure VOLTage4 read 24V Power Supply EASure VOLTage5 read 24V Power Supply EASure VOLTage6 read 12V Power Supply EASure VOLTage7 read 12V Power Supply SCPI Command Reference 5 3 1261B User Manual The MIN MAX and DEF Parameters Querying Parameter Setting SCPI Command Reference 5 4 Publication No 980766 Rev B Each of these has a long form and a short form Thus MEAS VOLTAGE2 MEAS VOLT2 are equivalent Omitting the keyword suffix selects the same capability as specifying the suffix of 1 This means that MEAS VOLTage MEAS VOLTagel are equivalent Substitute MINimum MAXimum or DEFault in place of a numeric parameter for most commands For example the following command VOLTAGE3 RANGE UPPER MIN sets the upper voltage range for the 2V power supply monitor to its minimum programmable value The command VOLTAGE3 RANGE UPPER DEE
93. ent 4 3 Measuring VXI Slot Temperature eco ee erroe cae Leo epe 4 4 Measuring Fan e o pL qs X pha et UM 4 4 Measuring Elapsed TIme ie aper p ree 4 5 Reading The Present State of VXI 4 5 Monitoring The VXI Subsystem ss tite Be etti bp ebat aliit dafs 4 6 Programming The Tolerance Limits re erm rrr ade ER XR EXE hed 4 6 Programming The Power Supply Voltage Tolerance 4 7 Programming The Power Supply Current Tolerance 4 7 Programming The Fan Speed Tolerance Limits 4 8 Programming The Ambient Temperature Tolerance Limits 4 8 Programming The VXI Slot Temperature Tolerance Limits 4 9 Programming The VXI Bus Error and IACKn Tolerance 4 11 Reading The VXI Bus Error and IACKn 4 11 Clearing The VXI Bus Error and IACKn 4 12 Generating an Interrupt When an Alarm Condition
94. ent Registers and Enable Registers associated with each of the attributes The Questionable Event Register contains the latched status of all of the attribute summary bits This means that a bit in the Questionable Event Register is set when the corresponding bit of the Questionable Condition Register transitions from a0 toa 1 The Questionable Event Register may be read with the query STATUS QUES EVENT The Questionable Enable Register enables bits in the Questionable Event Register to set bit 3 of the IEEE 488 2 defined Status Byte Bit 3 of the Status Byte is the status summary for all enabled Questionable Event Register bits The Questionable Enable Register may be set with the command STATUS QUES ENABLE 32767 This example enables all of the bits of the Questionable Event Register to set bit 3 of the Status Byte The status reporting hierarchy is shown in Figure 4 3 Using The Enhanced Monitoring System 4 20 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual VXI 5V Voltage Status 5 2V Voltage Status VXI 2V Voltage Status 24V Voltage Status VXi 24V Voltage Status 12V Voltage Status VXI 12V Voltage Status Event Error Queue 0 1 2 3 4 5 6 7 8 9 Summary of ollage Events 0 2527 0 Summary of VXI 5 2V Current Status 1 IEEE 488 2 VXI 2V Current Status 2 Current Events Status Byte
95. ent Sides Shown Figure 2 10 Fan Speed Range HI LO Selection Astronics Test Systems Configuring The 1261B 2 17 1261B User Manual Installing the Enhanced Monitoring System EMS Enhanced Monitor VXI Logical Address Switch Publication No 980766 Rev B Omit the following procedures if your mainframe is not equipped with the Enhanced Monitoring System EMS The EMS module is a statically configurable SC device as described in VXlbus Specification 1 4 Sections C 2 1 1 1 and F 1 When the 1261B is shipped with the EMS the VXI Logical Address is set to address 13 decimal Refer to Figure 2 11 to change the logical address of the EMS module MONITOR 5 dos 1 ENIM LT mb EMS Rear Panel Examples 4 4 Address Address 128 Decimal 2 Decimal Address 15 Decimal Figure 2 11 Setting The Enhanced Monitor VXI Logical Address Configuring The 1261B 2 18 Astronics Test Systems Publication No 980766 Rev B Enhanced Monitor Configuration Switch 1261B User Manual Omit this procedure if your mainframe is not equipped with the Enhanced Monitoring System EMS NOTE Perform this procedure only if factory default setting is incompatible with your application See Figure 2 12 for default setting WARNING Ensure that J400 AC Input is disconnected before removing or replacing the S
96. ent monitors using a DMM at J415 See Chapter 3 Rear Panel Connector Reference On EMS equipped mainframe check current draw values and limits from monitor See Chapter 4 Temperature alarm condition Module temperature rise or max ambient limit exceeded or Insufficient module cooling air Check T and Tmax outputs at rear panel Check for restrictions to airflow at mainframe intake and exhaust Check fan TACH outputs at rear panel Query EMS to check ambient temperature slot temperature rise and fan speed to verify values and limits Refer to Chapter 4 Clean mainframe module cooling fan filter Astronics Test Systems Maintenance 7 17 1261B User Manual Publication No 980766 Rev B PROBLEM POSSIBLE CAUSES WHAT TO DO Airflow alarm condition e Fan speed tolerance Check fan TACH outputs at rear limit exceeded panel Query EMS to check fan speed values and to verify limits Refer to Chapter 4 Check for restrictions to airflow at mainframe intake and exhaust Clean mainframe module cooling fan filter Maintenance 7 18 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Assembly Drawings REQD TWO FRONT OPENINGS ONL Y Astronics Test Systems Maintenance 7 19 1261B User Manual Publication No 980766 Rev B
97. equipment from this outlet Set the front Power On Standby switch to the ON position See Powering On The Mainframe in Chapter 3 Remove the inhibit by opening the remote switch or deasserting the remote open collector driver See Using Remote Power On Standby Switching in Chapter 3 Unplug AC mains power and check the fuse See Removing and Replacing the AC Mains Fuse in Chapter 7 Refer to Power Supply Protections in Chapter 6 Cycle power to clear fault If fault persists remove installed VXI modules cycle power until fault is cleared Verify that the power supply assembly is fully seated and all six thumbscrews are fastened See Removing and Replacing the Power Supply in Chapter 7 Verify integrity of wiring to Power On Standby switch Contact customer service Maintenance 7 16 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual PROBLEM POSSIBLE CAUSES WHAT TO DO Voltage alarm condition Faulty VXI module installed or voltage fault occurred VXI supply is out of tolerance Cycle power If fault persists remove installed VXI modules until fault indication is cleared Perform Basic Functional Check procedure from Chapter 3 For EMS equipped mainframe check VXI supply voltage levels and that alarm limits are valid See Chapter 4 Current alarm condition VXI supply DC output current exceeds tolerance Cycle power Check curr
98. er 921511 WIN95 WINNT included with manual Spares Ordering Information wem Terme Getting Started 1 10 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Optional Equipment Options Model Description Part Number Application Specific Front Panel AFSP 9U 407399 Option 54 1 Front Extension Mount Assembly For installing OPT 407431 1261B in 24 Rack 7U See Figure A 5 Option 54 2 Front Extension Mount Assembly For installing OPT 407421 1261B in 24 Rack 9U See Figure A 6 Option 71 230 Volt Option 407401 Astronics Test Systems Getting Started 1 11 1261B User Manual Publication No 980766 Rev B This page was left intentionally blank Getting Started 1 12 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Chapter 2 CONFIGURING THE 1261B Using This Chapter AC Mains Power and Fusing Astronics Test Systems This section includes procedures to install and configure the 1261B mainframe Use this chapter to e Review installation site considerations e Install modules card guide covers or optional blanking plates e Install the 1261B rack mount options and install the mainframe into an instrument rack e Connect safety ground e Re configure fan speed range HI LO setting e Configure and connect to the optional Enhanced Monitoring System EMS module The 1261B AC input is auto ranging and should be fu
99. er installation in Chapter 2 Getting Started 1 8 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual The 1261B is available with a wide variety of options for both rack Rack Mount mount 9U and bench top 7U models Features Quick Disconnect Slides Adjustable Rack Mount Ear Allows incremental recessed rack mounting Cable Tray Allows cable routing without interference Door Tinted Plexiglass adds protection while allowing viewing of annunciators Figure 1 8 Rack Mount and Cable Tray Option Components The adjustable rack mount ear provides variable recessed rack mounting capability The 1261B has a jumperless auto configurable backplane using Backplane active automatic daisy chaining for the VME Interrupt acknowledge and bus grant daisy chain signal lines This eliminates the need to manually configure the backplane Distribution of the CLK10 reference clock is full differential providing a low skew timing source Power is supplied to the backplane through a direct connection to the 1261B power supply eliminating wiring and sub backplane interconnect boards The result is increased reliability and improved dynamic current performance Astronics Test Systems Getting Started 1 9 1261B User Manual Publication No 980766 Rev B Items Shipped With The 1261B Instruction Manual 980766 Power Cable Card Guide Covers 456271 VXIplug amp play Software Driv
100. erted FX X 37 7 VXI IACK5 Count exceeds limit L8 4 VXI IACK6 Count exceeds limit VXI IACK7 Count exceeds limit The Event Register holds the latched status of each of the individual items monitored Each Event Register has the same bit assignment as the corresponding Condition Register Thus the Voltage Event Register has the same bit assignment as that shown in Figure 4 1 The difference between the Condition Register and the Event Register is that the Event Register holds latched status information while the Condition Register holds the present Using The Enhanced Monitoring System 4 16 Astronics Test Systems Publication No 980766 Rev B Astronics Test Systems 1261B User Manual status information For example if the 12V power supply voltage goes out of tolerance and then returns in tolerance bit 6 of the Voltage Condition Register will be 0 while bit 6 of the Voltage Event Register will be 1 The following queries may be used to read the various attributes Event Registers STAT QUES VOLT EVENT Voltage Event Register STAT QUES CURR EVENT Current Event Register STAT QUES TEMP EVENT Temperature Event Reg STAT QUES FREQ EVENT Fan Speed Event Reg STAT QUES TIME EVENT Elapsed Time Event Reg STAT QUES VXI EVENT VXI Event Register Each time the Event Regi
101. frame respectively Determine how you will use your 1261B bench or rack mount and follow the appropriate installation instructions Install C size modules directly into the mainframe by first placing the module s card edges into the front module guides top and bottom Slide the module to the rear of the mainframe until the module connectors mate solidly with the backplane connectors Secure the module s front panel to the mainframe using the module s front panel mounting screws The easiest way to install B size modules is with a B to C size adapter allowing a B size module to be installed just like a C size In order to improve cooling of used slots in the VXI mainframe a limited number of airflow directors P N 456271 may be installed at empty slot locations to redirect otherwise wasted airflow CAUTION To maintain a balanced airflow throughout the system when using airflow directors do not cover more than six empty slots at any time If module density is low space airflow directors evenly across the mainframe Astronics Test Systems Mainframe Rear Mainframe Front Figure 2 1 Airflow Directors 1 Facing the front of the VXI mainframe with one hand hold the airflow director by the front end where the Racal logo appears Configuring The 1261B 2 3 1261B User Manual Publication No 980766 Rev B 2 Select the slot to be covered by the director and place the hook at the r
102. g The Enhanced Monitoring System 4 14 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Table 4 4 Temperature Condition and Event Register Bit Assignments VXI slot 0 temperature rise exceeds limit VXI slot 1 temperature rise exceeds limit VXI slot 2 temperature rise exceeds limit VXI slot 3 temperature rise exceeds limit VXI slot 4 temperature rise exceeds limit VXI slot 5 temperature rise exceeds limit VXI slot 6 temperature rise exceeds limit VXI slot 7 temperature rise exceeds limit VXI slot 8 temperature rise exceeds limit VXI slot 9 temperature rise exceeds limit VXI slot 10 temperature rise exceeds limit VXI slot 11 temperature rise exceeds limit VXI slot 12 temperature rise exceeds limit Ambient temperature exceeds limit Co Table 4 5 Fan Speed Condition and Event Register Bit Assignments Fan 1 2 or 3 is out of tolerance Fan 1 is out of tolerance Fan 2 is out of tolerance Fan 8 is out of tolerance Astronics Test Systems Using The Enhanced Monitoring System 4 15 1261B User Manual Publication No 980766 Rev B Table 4 6 Time Condition and Event Register Bit Assignments Present Power On Time exceeds limit 1 Cumulative Power On Time exceeds limit Filter Service Time exceeds limit Table 4 7 VXI Condition and Event Register Bit Assignments VXI Bus Error BERR Count exceeds limit 1 VXI SYSFAIL is asserted 2 VXI ACFAIL is ass
103. he errors that can be generated by the EMS is shown in Table 4 3 Error Messages B 1 1261B User Manual Publication No 980766 Rev B Table B 1 Error Messages 100 Command error 101 Invalid character 102 Syntax error 103 Invalid separator The parser was expecting a separator and encountered an illegal character 104 Data type error 105 GET not allowed 108 Parameter not allowed 109 Missing parameter The parser encountered a parameter data type different than expected For example expected numeric received string 110 Command header error 111 Header separator error 112 Program menmonic too long The value of a numeric suffix makes the header invalid VOLT8 The data appears to be numeric but is syntactically incorrect An invalid character for the data byte was encountered The magnitude of the exponent was larger than 32000 The mantissa of a decimal numer contains more than 255 digits A legal numeric data element was received but is not allowed The command suffix is not understood or recognized The suffix does not follow the syntax in IEEE 488 2 Sec 7 7 3 2 The suffix contains more than 12 characters A suffix was encountered after a numeric parameter value where suffix is allowed e g SRE 255 MHZ 114 Header suffix out of range 120 Numeric data error 121 Invalid character in number 123 Exponent too large 124 Too many digits 12
104. he supply filter is easily removed from the rear of the mainframe as shown in Figure 7 1 Pluggable Power Supply Assembly 20000000000000900 0000000090900000000 000000000000990900 009000000000000000 Thumb Screw Supply Fan Filter Figure 7 1 Cleaning The Supply Fan Filter Astronics Test Systems Maintenance 7 3 1261B User Manual Publication No 980766 Rev B 1 Loosen the captive thumb screw retaining the supply fan filter 2 Remove the supply fan filter towards the rear 3 Clean the supply fan filter by washing in mild soap solution vacuuming or blowing air through the filter Rinse the filter with water and dry before replacing it in the mainframe Cleaning The The module fan filter is easily removed from the rear of the chassis as shown in Figure 7 2 Module Fan Filter Fitter Frame Thumb Screw Fan Cover Assembly Only used on 9U Rack Mount Version Module Module Filter Thumb Fan Fan Frame Screws 2 Assembly Filter Figure 7 2 Cleaning The Module Fan Filter Maintenance 7 4 Astronics Te
105. hich the instrument state is saved That is both of the following formats are accepted SAV SAV location If location is specified it must be in the range 0 to 9 If location is not specified the instrument state will be saved into nonvolatile memory location 1 Note location 0 is recalled at power up if the DIP switch SW1 8 is set The SAV command saves all of the attributes described in the RCL command description into the specified nonvolatile memory location The TRG command is required by the IEEE 488 2 specification This command is accepted but has no effect on the EMS The WAI command is required by the IEEE 488 2 specification This command is accepted but has no effect on the EMS The EMS performs a series of self tests when power is first applied If any of the self tests fail the following message is displayed on the 10 character LED display on the front of the VXI mainframe Self Test Failed To determine the cause of this failure perform one of the following 3 operations e Connect an RS 232 terminal to the RS 232 port of the EMS Cycle power to the EMS by removing and reconnecting the AC power cord Observe the error messages displayed on the terminal to determine which of the self tests have failed e Connect an RS 232 terminal and keyboard to the RS 232 port of the EMS Type the command Using The Enhanced Monitoring System 4 45 1261B User Manual Publication No 980
106. hs Depending upon the amount of usage and ambient dust levels in the operating environment the filters may require more frequent cleaning Clean dust from the mainframe exterior and interior as needed based on the operating environment Periodic cleaning reduces instrument breakdown and increases reliability The information in this section is designed for use by qualified service personnel Read the For Your Safety at the front of this manual and Service Strategy before attempting any procedures in this chapter Refer to Chapter 3 Operating The 1261B for information on the location of controls indicators and connectors used with the mainframe Maintenance 7 1 1261B User Manual SENSITIVE ELECTRONIC DEVICES DO NOT SHIP OR STORE NEAR Inspection and Cleaning Interior Cleaning Exterior Cleaning Maintenance 7 2 Publication No 980766 Rev B CAUTION Many components within the mainframe are susceptible to static discharge damage Service the mainframe only in a static free environment Observe standard handling precautions for static sensitive devices while servicing the mainframe Always wear a grounded wrist strap or equivalent while servicing the mainframe The mainframe is inspected mechanically and electrically before shipment It should be free of marks or scratches and should meet or exceed all electrical specifications To confirm this inspect the mainframe for physical damage incurred during trans
107. ide panels using screws Item 16 Assistance of a second person or a mechanical lift will be needed to align and engage the mainframe with the slide assemblies in the rack NOTE If slides are not used to mount the mainframe in the rack right angle runners or a base plate MUST be used to support the mainframe CAUTION DO NOT attempt to support the mainframe in the rack with the rack mount ear only 1 Install the mainframe with its two attached instrument rails onto the quick disconnect slide mount assemblies installed in the instrument rack Be sure the mainframe is properly aligned and square with the slide assemblies Remember to depress the locking buttons when inserting the instrument rails into the slide mount assemblies When properly installed the instrument should slide freely on the slide rails Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Installing Option 54 1 and 54 2 Receiver Front Extension Installing Inter Module Shields Option 52 Installing ASFP Panel Option 23 Installing Rack Mount Door Astronics Test Systems If binding occurs slide bracket to rack rail mounting screw should be loosened and re adjusted to relieve binding 2 The following assembly is required to lock the instrument into its operating position in the rack each side a If rack rail is not tapped slip three self anchoring 10 32 retaining nuts Item 9 onto the mounting rail of the rack e
108. ill Switch to low turning on the Alarm Change the 5VDC limit back to the default value of 5 25 A delay time may be added between 1 The TRIG IN input and the selected TTLTRGx line OR 2 The TTLTRGx line and the TRIG OUT output OR 3 The TRIG IN input and the TRIG OUT output The trigger delay time ranges from 0 0 to 1 04857596875 seconds in steps of 31 25 nanoseconds To program a delay time the command VXI CONF MONITOR TRIG DELAY delay time where delay time gt ranges between 0 0 and 1 04857596875 NOTE When the trigger delay is non zero the trigger pulse is generated from the 1261B EMS It is not identical to the trigger signal applied to the input or from the TTLTRGx line The trigger pulse is approximately 100 nanoseconds wide and is a low going normally high pulse NOTE The EMS trigger delay circuit adds a delay between the input and output pulses This delay is between 31 25 ns and 62 5 ns typical 100 ns maximum Using The Enhanced Monitoring System 4 28 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual The present delay time may be read back with the query VXI MONITOR TRIG DELAY The reply to this query is a numeric value formatted as a real number Selecting The The trigger delay may be placed between ONE of the following Trigger Delay 1 TRIGIN input to selected TTLTRG line Application 2 Selected TTLTRG line to TRIG OUT out
109. ill display the message Standby if the AC line power switch is off If the AC line power switch is on the front panel will display the message System OK These two messages are displayed only when no out of tolerance conditions have been detected by the EMS If an out of tolerance condition is detected a status message is displayed Consult the Front Panel Display Status Messages of this chapter for a description of the various status messages and their meanings At Power On and after a reset the front panel display is turned on The front panel may be turned off using the command DISPLAY TEXT STATE OFF After this command is executed the display is turned off The display will not display any status messages nor will it display any user defined messages The front panel display may be turned on by using the command DISPLAY TEXT STATE ON The present state of the display may be read using the query DISPLAY TEXT STATE The EMS will reply to this query with a O if the display is off or a 1 if the display is on The user may write a message to the display This is done with the command DISPLAY TEXT Show This On The Display This text to display may be enclosed in either double quotes or in single quotes The text message may be from 0 to 80 characters in length Using The Enhanced Monitoring System 4 30 Astronics Test Systems Publication No
110. iltered as it is drawn through the fan assembly The incoming air is forced downward into a pressurized plenum below the VXI modules The high pressure in the plenum forces the air up through a metered plate into the VXI modules The air passing over components in the modules absorbs heat and exits at the top of the module The 1261B Rack Mount mainframe exhausts module cooling air at the rear of the mainframe Filtered air enters at the bottom rear of the 1261B Bench Top mainframe through the fan assembly The incoming air is forced downward into a pressurized plenum below the VXI modules The high pressure in the plenum forces the air up through a metered plate into the VXI modules The air passing over components in the modules absorbs heat and exits at the top of the module Astronics Test Systems Publication No 980766 Rev B Cooling The Power Supply Standard Monitoring System SMS Fan Speed Monitor SMS Fan Speed Control SMS Fan Speed Switch SMS Temperature Monitor Astronics Test Systems 1261B User Manual Cooling air is exhausted through the top of the mainframe in the 1261B Bench Top mainframe The power supply assembly contains a speed controlled fan for its own internal cooling Filtered air enters through the one side of the mainframe and exits at the opposite side after passing through the power supply The Standard Monitoring System SMS performs temperature monitoring on each slot fan speed
111. ined This will then return to displaying the System or out of tolerance message s Using The Enhanced Monitoring System 4 31 1261B User Manual Publication No 980766 Rev B Front Panel The EMS updates the front panel display as illustrated by the Messaae following pseudocode 9 If the display state is ON then Semantics If there is an out of tolerance condition then display out of tolerance message Elsif there is a user defined message then display the user defined message Elsif the AC line power is switch ON then display System OK Else display Standby Endif Endif Front Panel Status In the event that the EMS detects an out of tolerance condition the front panel display will be updated with a status message The Messages status messages and their meanings are shown in Table 4 8 Using The Enhanced Monitoring System 4 32 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Table 4 9 Front Panel Status Messages Fan X speed is out of tolerance X will be 1 2 or 3 Slot XX temperature rise is too high XX will be 1 to 12 Astronics Test Systems Using The Enhanced Monitoring System 4 33 1261B User Manual Publication No 980766 Rev B Table 4 9 Front Panel Status Messages continued CNT Interrupt Acknowledge Line X count reached X will be 1 to 7 BERR CNT Bus Error count reached SYSFAIL SYSFAIL line asserted ACFAIL ACFAIL lin
112. inframe dimensions Height of the cable tray 3 9 in 9 36 cm Width 17 25 in 43 8 cm Depth 20 12 in 51 1 cm Height including the Chassis i 2U Cable Tray Option 22 9U mainframe See Figure A 4 for overall mainframe dimensions Height of the cable tray 5 6 in 13 44 cm Width 17 25 in 43 8 cm Depth 20 12 in 51 1 cm Height including the Chassis 19 22 in 48 79 Weight Bench Top 46 Ibs 20 7 kg with no modules installed Rack Mount 52 23 7 kb with no modules installed Astronics Test Systems Specification A 7 1261B User Manual Publication No 980766 Rev B 12 22 Figure A 2 Front View and Side View of Bench Top 7U 1261B Mainframe 25 19 90 23 38 min without front door Ve m 24 63 min with front door 12 22 7U Rack Mount 15 72 190 Rack Mount Figure A 3 Front View and Side View of 1261B Bench Top Model With 7U and 9U Rack Mount Ears Specification A 8 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual mM 26 53 Plug 5 Play Spec 1 900090000000 00006000000 3 1 Option 21 1 75 10 Cable Tray Option 22 ry 2U Cable Tray 1 1 1 1 1 K Ro era aa A E E ed Figure A 4 Front View
113. ing The 1261B 3 5 1261B User Manual Publication No 980766 Rev B Powering On The Mainframe Ensure AC Power is Connected D UWT 1 Q Observe Status Indicators Set Power Switch Observe Power aen inciceting system to On position Indicator is On Enhanced Monitor Option Illuminated observe SYSTEM OK on display id Figure 3 5 Powering On The Mainframe Operating The 1261B 3 6 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Using Remote Power On Standby Switching 9 CO CS So CS a a eS ut Remote INHIBIT 2 4 14 or 24 Logic Ground GND 1 Connect a user supplied cable equivalent between J415 female 25 DSUB and a remote switch or open collector driver The switch or driver should connect to J415 pin 23 INHIBIT and to one of the GND pins NE GNE MONITOR CONTROL 6 445 2 Complete Steps in Figure 3 5 Powering On The Mainframe 3 Place in Standby DC power to mainframe off by closing remote switch shorting pin J415 23 to Logic Ground INHIBIT to GND or by driving J415 23 to a TTL low with an open collec
114. is Detected 4 12 Clearing The Filter Service 2 004444140000 nennen nnne 4 22 Change of Limit for Filter Service Alarm Example 4 23 Interrupt Generation Example eee e RE HO ue tp x 4 23 Programming The Trigger 4 25 Connecting The TRIG IN Input To a TTLTRG 4 25 Connecting The TRIG OUT Output To a TTLTRG 4 26 Discrete Fault IndiGator o e Ete o ud ner en tik eR er abere um tede d aee edere 4 27 Programming the Discrete Fault 4 27 Testing the DFI Operation 4 28 Programming a Trigger Delay Time oe i et ertt o ete eia tr Ete bea vetet 4 28 Astronics Test Systems iii 1261B User Manual Publication No 980766 Rev B Selecting The Trigger Delay 04440 000440000 4 29 Programming The Front Panel Display rient ete rete eter xsara epu ae un 4 29 thurning The Display Om and Of xs aseo t te a EE a E OS E eed m ERU 4 30 Writing a Message To The Display dip tere hne e the ER ERE TR HX 4 30 Clearing The Message From 000 4 31 Front Panel Message Semlantics eee sds hie cies ha e ey ener RES RR rane deoa 4 32 Fro
115. it Retain the mainframe packaging if reshipment is necessary Cleaning procedures consist of exterior and interior cleaning of the mainframe and cleaning fan filters Refer to your module user documentation for information on cleaning the individual VXIbus modules CAUTION Always power off the mainframe and disconnect the power cord before cleaning servicing the mainframe Use a dry low velocity stream of air to clean the interior of the mainframe Use a soft bristle brush for cleaning around components you must use a liquid for minor interior cleaning use a 7596 isopropyl alcohol solution and rinse with deionized water Clean the exterior surfaces of the mainframe with a dry lint free cloth or a soft bristle brush If any dirt remains wipe with a cloth moistened in a mild soap solution Remove any soap residue by wiping with a cloth moistened with clear water Do not use abrasive compounds on any part of the mainframe Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Cleaning The Power Supply CAUTION Avoid getting moisture inside the mainframe during exterior cleaning use just enough moisture to dampen the cloth Do not wash the front or rear panel connectors or switches Cover these components while cleaning the mainframe Do not use chemical cleaning agents they may damage the mainframe Avoid chemicals that contain benzene toluene xylene acetone similar solvents T
116. ling 1 6 Bench Cooling System i eere dece rra Rea uv eek a e ee Fa E RR RR Rn n 1 6 Rack Mount Cooling cef iot o eor p e pb e pea 1 7 Advanced System Montltoring 1 8 Standard System Monitor SMS adn pota ee tbt Pu guests 1 8 Enhanced System Monitor e edet ted X een rene t Ex nn nun 1 8 Rack Pealill BS oer tte tette E 1 9 BaGk lan stich Lee 1 9 Items Shipped With The 126 TB c decr tpe ea 1 10 Spares Ordering Inform ltlon 1 10 Seg IE 2 1 Contig ring The 2618 eno dc et deter Be I ees 2 1 Using This cc 2 1 AG Mains Power and FUSING e tona Sete e emite Cu oat ene eae 2 1 Site GODsldelallollS dete Mics a Om OR 2 3 installing VX NTOdUl8s 5 roter Dre me 2 3 Installation and Removal of Card Guide Covers Airflow 2 3 installing Blanking Panels uoa ota cared eo pd pet ee ET 2 4 Installing The Rack Mount 2 5 Astronics Test Systems i 1261B User Manual Publication No 980766 Rev B Installing The Slides Into The Rack rer rt
117. lot 4 relative EMP 6 RANG UPP Temperature of VXI slot 5 relative TEMP 7 Temperature of VXI slot 6 relative EMP 8 RANG UPP Temperature of VXI slot 7 relative EMP 9 RANG UPP Temperature of VXI slot 8 relative EMP10 RANG UPP Temperature of VXI slot 9 relative EMP11 RANG UPP Temperature of VXI slot 10 relative EMP12 RANG UPP Temperature of VXI slot 11 relative EMP13 RANG UPP Temperature of VXI slot 12 relative EMP14 RANG UPP Ambient Temperatur EMP15 RANG UPP Temperature of VXI slot 0 absolute EMP16 RANG UPP Temperature of VXI slot 1 absolute EMP17 RANG UPP Temperature of VXI slot 2 absolute EMP18 RANG UPP Temperature of VXI slot 3 absolute EMP19 RANG UPP Temperature of VXI slot 4 absolute EMP20 RANG UPP Temperature of VXI slot 5 absolute EMP21 RANG UPP Temperature of VXI slot 6 absolute EMP22 RANG UPP Temperature of VXI slot 7 absolute EMP23 RANG UPP Temperature of VXI slot 8 absolute EMP24 RANG UPP Temperature of VXI slot 9 absolute EMP25 RANG UPP Temperature of VXI slot 10 absolute EMP26 RANG UPP Temperature of VXI slot 11 absolute EMP27 RANG UPP Temperature of VXI slot 12 absolute These commands set the monitoring mode to either absolute or relative and query the current monitoring mode of the EMS TEMP MODE 0 Set the monitoring mode to absolute new mode TEMP MODE 1 Set the monitoring mode to relative old mode The default monitoring mode is absolute 0 new mode TEMP M
118. ly The Speed MEAS FR MEAS FI RI MEAS FRI RI MEAS FI 01 EQ2 EQ3 04 following commands may be used to read the fan speed read SLOWEST fan speed read Fan 1 fan speed read Fan 2 fan speed read Fan 3 fan speed Each of these queries causes the 1261B EMS to reply with an integer value The fan speed is rounded to the nearest whole number The unit of measure is RPM revolutions per minute Using The Enhanced Monitoring System 4 4 Astronics Test Systems Publication No 980766 Rev B Measuring Elapsed Time Reading The Present State of VXI Signals Astronics Test Systems 1261B User Manual The 1261B EMS monitors three elapsed time attributes These are as follows Power on Time The number of seconds since the power switch was switched from the OFF state to the ON state Cumulative Power on Time The total number of seconds which the power switch has been in the ON state from the time the EMS was installed Filter Service Time The total number of seconds which the power switch has been in the ON state since the filter was last serviced and the SENSE TIMES3 CLEAR command was executed The following commands may be used to read the elapsed time attributes MEAS 1 read power on time MEAS TIME2 read cumulative power on time MEAS TIME3 read power on time since last filter service Each
119. n Device Dependent Error This bit is set when the EMS has detected a Device Dependent error such as an internal conflict or a self test failure at power on Bit4 Execution Error This bit is set when the EMS has attempted to execute a command but the command could not be executed successfully Bitb Command Error This bit is set when the EMS receives a command it does not recognize Bit6 User Request This bit is always 0 for the 1261B EMS Bit7 Power On This bit is set when the AC line power switch is turned on The bits of the Standard Event Status Register are cleared after this query has been executed The reply to the ESR query is a numeric integer value in the range 0 to 255 Astronics Test Systems Using The Enhanced Monitoring System 4 41 1261B User Manual SRE Command SRE Query Using The Enhanced Monitoring System 4 42 Publication No 980766 Rev B The SRE command sets the value of Service Request Enable Register The value of this register is logically ANDed with the contents of the Status Byte see the STB query description If any bits of this AND operation are set bit 6 of the Status Byte is set That is bit 6 of Status Byte bit 0 of SRE AND bit 0 of STB OR bit 1 of SRE AND bit 1 of STB OR bit 2 of SRE AND bit 2 of STB OR bit 3 of SRE AND bit 3 of STB OR bit 4 of SRE AND bit 4 of STB OR bit 5 of SRE AND bit 5 of STB OR bit 7 of SRE AND bit 7 of S
120. n Assembly Fan Assembly Tabs Figure 7 4 Aligning The Module Fan Assembly To remove and install the power supply assembly from the Removal an emoval and mainframe Refer to Figure 7 5 and perform the steps below Replacement of The Power Supply Assembly Maintenance 7 8 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual 6 Captive Thumbscrews 3 on top Power Supply Assembly Power Supply rare ex Handle 2 Push to Pitt oat Mao t o 1400 Rotate Handle PE AC Input from Recess 6 Captive Thumbscrews 3 on bottom Figure 7 5 Power Supply Rear View 1 Unplug the AC power cord from the rear panel of the 1261B 2 Loosen the six captive thumbscrews which secure the power supply to the mainframe See Figure 7 5 for locations of these six thumbscrews Ensure that the threads of the six thumbscrews are disengaged from the captive pem nut on the mainframe 3 Push the base of the recessed handles to rotate and expose the mainframe handles Astronics Test Systems Maintenance 7 9 1261B User Manual Maintenance 7 10 Ne ye 5 Publication No 980766 Rev Upper Power Supply Mounting Flange Pluggable Power Supply Assembly Lower Power Supply Mounting Flang
121. n this example The example enables only a few attributes to generate an interrupt For most users all out of tolerance conditions should be investigated Therefore for most users all of the Enable Registers should be set to a value of 32767 so all monitored attributes are capable of generating an interrupt Using The Enhanced Monitoring System 4 24 Astronics Test Systems Publication No 980766 Rev B Programming The Trigger Subsystem Connecting The TRIG IN Input To a TTLTRG Line Astronics Test Systems 1261B User Manual The 1261B provides the following trigger capabilities 1 Route a signal from the TRIG IN front panel input connector to one of the TTLTRG lines on the VXI backplane 2 Route a signal from one of the TTLTRG lines on the VXI backplane to the TRIG OUT front panel output connecter 3 Apply a programmable delay between either the TRIG IN signal and the TTLTRGx line or the TTLTRGx signal and the TRIG OUT line 4 Route the TRIG IN front panel input signal directly to the TRIG OUT front panel output with or without a delay Note that by routing the TRIG IN input to the same TTLTRGx line that is connected to the TRIG OUT output the TRIG IN signal may be connected to the TRIG OUT connector in addition to the TTLTRGx line The TRIG IN input may be connected to one of the TTLTRGx lines TTLTRGO through TTLTRG7 The following commands may be used to connect the TRIG IN input to one of the TTLTRG line
122. ncountered but is not allowed An execution error has occurred The EMS cannot determine a more specific problem with the error see errors 201 to 299 below A trigger error has occurred No more specific info is known TRG or GET received but ignored due to timing considerations An arming signal was received and recognized but was ignored A request for measurement initiation was ignored since another measurement was already Trigger subsystem is deadlocked Trigger arming is deadlocked Command parameter is invalid or unrecognized Legal command parameter received but could not be executed because doing so would place the device in an invalid state Command data parameter is out of range Block expression or string type received contained too much data The parameter value is not from list of possible values An unspecified hardware error prevented proper execution of the command The command failed because a hardware option was not installed A generic device specific error which does not match one of the SCPI defined errors in the range 300 to 399 has occurred A device defined generic system error has occurred Astronics Test Systems Error Messages B 3 1261B User Manual Publication No 980766 Rev B 811 Memory error 314 Save recall memory lost 315 Configuration memory lost 330 Self test failed 350 Queue overflow 360 Communication error 361 P
123. nd mainframe power is turned on Change of Limit for To display a failure message after 100 days example of Filter Service Alarm Example power on time the following sequence may be performed Locate DIP switch SW1 8 on the EMS board Move the switch to ON position This allows the EMS to read the limits at power up from the on board EEPROM The limits are read from the nonvolatile location 0 This location is stored using the command SAV 0 Using the following SCPI commands SENSE TIME3 CLEAR SENSE TIMES RANGE UPPER 15 768E6 15 768E6 is an example representing 15768000 or 182 days SAV 0 You have just set the Filter Service Alarm to be active in 182 days of power on Interrupt As an example suppose an interrupt is desired only when one or Generation Example W 6 more of the following conditions exist 24V Power Supply Voltage is out of tolerance 12V Power Supply Voltage is out of tolerance 12V Power Supply Current is out of tolerance 12V Power Supply Current is out of tolerance VXI Slot 7 Temperature Rise is too high Fan 2 speed is out of tolerance No other condition should generate an interrupt To provide for this combination execute the following commands Enable 24V and 12V Power Supply Voltage only 5 5 Astronics Test Systems A QUES VOLT ENABLE 72 Enable 12V and 12V Power Supply Current A
124. ndicates which temperature is being monitored TEMP1 RANG UPP lt temperature gt TEMP2 RANG UPP lt temperature gt TEMP3 RANG UPP lt temperature gt TEMP4 RANG UPP lt temperature gt TEMP5 RANG UPP temperature TEMP6 RANG UPP lt temperature gt TEMP7 RANG UPP lt temperature gt TEMP8 RANG UPP lt temperature gt TEMP9 RANG UPP lt temperature gt TEMP10 RANG UPP lt temperature gt TEMP11 RANG UPP lt temperature gt TEMP12 RANG UPP lt temperature gt TEMP13 RANG UPP lt temperature gt TEMP14 RANG UPP lt temperature gt TEMP15 RANG UPP lt temperature gt TEMP16 RANG UPP lt temperature gt TEMP17 RANG UPP lt temperature gt TEMP18 RANG UPP lt temperature gt TEMP19 RANG UPP lt temperature gt TEMP20 RANG UPP lt temperature gt TEMP21 RANG UPP lt temperature gt TEMP22 RANG UPP lt temperature gt TEMP23 RANG UPP lt temperature gt TEMP24 RANG UPP lt temperature gt TEMP25 RANG UPP temperature TEMP26 RANG UPP temperature TEMP27 RANG UPP temperature temperature range Temperature of VXI slot 0 relative Temperature of VXI slot 1 relative Temperature of VXI slot 2 relative Temperature of VXI slot 3 relative Temperature of VXI slot 4 relative Temperature of VXI slot 5 relative Temperature of VXI slot 6 relative Temperature of VXI slot 7 relative Temperature of VXI slot 8 relative Temperature of VXI slot 9 relative Temperature of VXI slot 10 relative Temperature of VXI slot 11 relative
125. ng practice Air Exhaust Air Exhaust Power Supply Air Intake Exhausts other side of mainframe Instrument Air Intake Figure 1 6 1261B Rack Mount Mainframe Positive Pressure Cooling System Astronics Test Systems Getting Started 1 7 1261B User Manual Publication No 980766 Rev B System Status via Front Panel Display LED on SMS Temperature Monitor Assembly 10 Character Display Monitors each modute slot on EMS Pluggable Standard SM5 or Enhanced EMS System Monitor Assembly Advanced System Monitoring Figure 1 7 1261B System Monitor Components Standard System The Standard Monitoring System SMS features include temperature monitoring on each slot fan speed sensing and Monitor SMS control power supply voltage and current monitoring System health status is reported via front panel annunciators for Voltage Current Airflow and Temperature alarm conditions Enhanced System The Enhanced Monitoring System adds a full VXlbus 1 4 compliant message based interface alpha numeric display Monitor EMS individual VXlbus voltage and slot temperature reading TTL trigger in outputs with programmable delay state monitoring of key VXI backplane signals AS ACFAIL SYSRESET event counting of VXI bus error BERR conditions and interrupt cycles The EMS also comes complete with VXlp ug amp play drivers See disks at back of manual and driv
126. ng thumbscrew Remove the module fan assembly by pulling gently toward the rear of the mainframe while gripping the assembly by the two thumbscrews To reinstall the module fan assembly first align the assembly with the rear of the mainframe Insert the fan assembly by gently pushing it forward into the mainframe making sure the electrical connector is properly mated Tighten the four thumbscrews securing the module fan assembly Place filter in the filter frame and align the hooks on the back of the filter frame with the slots on the module fan assembly Insert the frame and push down to engage Tighten the captive thumbscrew to secure the fan filter frame On rackmount mainframe only engage the hooks on rear of fan cover assembly with the slots in the rear of the fan assembly Push up to seat and secure with hardware removed in Step 1 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Fan Cover Thumbscrews 2 Fan Cover Socket Head La Screws 2 m Only used on 9 Rack Mount Version Module Fan Assembly with Filter Fan Cover Housing Fan Assembly Filter Frame Fan Cover Assembly Thumb Screws 4 Thumb Screw Phillips Head Securing Screws 4 Figure 7 3 Module Fan Assembly Detail Astronics Test Systems Maintenance 7 7 1261B User Manual Publication No 980766 Rev B Power Supply Tabs Power Supply Assembly Fa
127. nt Panel Status Messages x ten tu m biete aa 4 32 Programming The RS 232 Interface enr nette rar x ue erc 4 34 Programming The Baud Bale prison rat o ro siet eden gui oc te nenne 4 34 Programming The Number of Data 6 4 35 Programming The Parity at uv e ded acm Lu dri UG 4 35 Programming The Number of Stop Bits 4 35 RS 232 Interface 4 36 Setting The System Time and 4 37 Reading Event Time Stamps m eh ti ed e e 4 38 IEEE 488 2 Common Commands xe 4 39 R 4 39 a nre td shad bb ers e ede rtu xe nae Rer be eq D en ud 4 40 4 40 GUS Command 4 40 ESE Command er Te 4 40 E 4 41 ESR 4 41 SRE COMMANG M 4 42 QUE 4 42 oa equ id equ und e qu eodd kd bed edad etu AE 4 43 ORG Command eei T TET 4 43 QU c E 4 44 pes 8 4 44
128. o the 8 32 chassis safety grounding screw using a_ toothed grounding lug The wire insulation must be green with a yellow stripe or non insulated bare gt 2 Attach the opposite end of the wire to WI us ot permanent earth ground using toothed washers or a toothed lug SYSTEM MOMITOR Fan SPEED 0 YAR Chassis Safety Grounding Screw s o 2 9 Connecting Safety Ground Configuring The 1261B 2 16 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Fan Speed Ranae The 1261B is shipped with the fan speed range configured to the p g HI setting for rack mount or High Speed Fan models and to the HI LO LO setting for bench top Low Noise Fan models your Selection For application requires more cooling or lower acoustic noise levels you may re configure the fan speed range as described below Models With and in Figure 2 10 Fan Speed Range HI LO Selection System Monitor Remove SMS or EMS module See Removal and Replacement in Chapter 7 2 Position the jumper at J14 between pins 1 2 for the LO setting or between pins 2 3 for the HI setting 3 Replace the SMS or EMS module See Removal and Replacement in Chapter 7 Location of 114 RACAL INSTRUMENTS 405092 DB B BC Compon
129. o understand the meaning and response that each command generates Examples contained in the following paragraphs show basic techniques on how to program output waveforms The MEAS VOLT command is used to measure the voltage presently being output by one of the seven VXI power supplies The following commands may be used EAS VOLT1 measure 5V PS Voltage EAS VOLT2 measure 5 2V PS Voltage EAS VOLT3 measure 2V PS Voltage EAS VOLT4 measure 24V PS Voltage MEAS VOLT5 measure 24V PS Voltage MEAS VOLT6 measure 12V PS Voltage EAS VOLT7 measure 12V PS Voltage Each of these causes the 1261B EMS to reply with a value formatted as a real number The number is rounded to the nearest 0 01 VDC The MEAS CURR command is used to measure the current presently being output by one of the seven VXI power supplies The following commands may be used MEAS CURR1 measure 5V PS Current EAS CURR2 measure 5 2V PS Current EAS CURR3 measure 2V PS Current MEAS CURR4 measure 24V PS Current EAS CURR5 measure 24V PS Current EAS CURR6 measure 12V PS Current EAS CURR7 measure 12V PS Current Each of these causes the 1261B EMS to reply with a value formatted as a real number The number is rounded to the nearest 0 1 ADC The MEAS TEMP14 command is used to measure the ambient temperature ME AS T EMP14 measure ambient
130. oltage tolerance limits SENSE VOLT1 RANGE UPPER 5 2 5 upper limit SENSE VOLT1 RANGE LOWER 4 8 5 lower limit SENSE VOLT2 RANGE UPPER 5 0 5 2V upper limit SENSE VOLT2 RANGE LOWER 5 4 5 2V lower limit SENSE VOLT3 RANGE UPPER 1 8 2V upper limit SENSE VOLT3 RANGE LOWER 2 2 2V lower limit SENSE VOLT4 RANGE UPPER 25 9 24V upper limit SENSE VOLT4 RANGE LOWER 23 1 24V lower limit SENSE VOLT5 RANGE UPPER 23 1 24V upper limit SENSE VOLT5 RANGE LOWER 25 9 24V lower limit SENSE VOLT6 RANGE UPPER 12 9 12V upper limit SENSE VOLT1 RANGE LOWER 11 1 12V lower limit SENSE VOLT7 RANGE UPPER 11 1 12V upper limit SENSE VOLT7 RANGE LOWER 12 9 12V lower limit Each of these commands has an associated query For example the query SENSE VOLT5 RANGE LOWER reads the lower voltage tolerance limit for the 24V Power Supply Refer to Table 5 2 for a description of a range of values accepted for this command The power supply currents are monitored to ensure that they are below an upper limit The following commands may be used to set the power supply current tolerance limits examples show default limits programmed
131. on 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 atshelopdesk astronics 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 atshelpdesk 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
132. ot Cooling A 5 Figure A 2 Front View and Side View of Bench 70 1261B Mainframe A 8 Figure A 3 Front View and Side View of 1261B Bench Top Model With 7U and 9U Rack Mount A 8 Figure 4 Front View and Side View of 1261B Rack Mount Model A 9 Figure A 5 Side View of 1261B 7U Mainframe With Option 54 1 Installed A 10 Figure A 6 Side View of 1261B 90 Mainframe With Option 54 2 Installed A 10 Astronics Test Systems ix 1261B User Manual Publication No 980766 Rev B List of Tables Table 1 1 1261B Available DC 1 5 Table 2 1 Rack Mount Components ei recessit Rp 2 8 Table 3 1 Monitoring Basis xo eo reete SEE eR RE Be 3 8 Table 3 2 SMS Rear Panel Switches 3 10 Table 3 3 EMS Rear Panel Switches 3 10 Table 3 4 J410 SMS Rear Panel 3 11 Table 3 5 J412 EMS RS 232 3 12 Table 3 6 4413 EMS TTL Trigger 4 000 3 12 Table 3 7 J414 EMS Rear Panel 7 3 13 Table 3 8 J415 Rear Panel Monitor Control 3 14 Table 3 9 Power Supply Voltages at J415
133. ow control will thus be non existent Note that operating without flow control may necessitate a slower baud rate in order to avoid data overrun problems The 1261B EMS Monitor will not echo back characters it receives from the terminal If you wish to see characters on your terminal as you type them set your terminal for Local Echo Astronics Test Systems Publication No 980766 Rev B ENHANCED MONITOR o FAIL ADDR FAN SPEED RS 232 Port 2412 1261 If factory default RS 232 setting is incompatible with your computer data terminal or modem perform the procedure described in Figure 2 12 Setting Enhanced Monitoring System RS 232 Configuration Switch The factory default setting is 1 Stop bit 8 data bits No Parity 9600 Baud and RS 232 enabled at power on Connect host computer to RS 232 port See Figure 2 14 RS 232 Cable Connections With a Computer Data Terminal or Modem J412 Pin Connections Received Data 2 Transmitted Data Request to Send Clear to Send Signal Ground Figure 2 13 Setting Up The Enhanced Monitoring System RS232 Interface Astronics Test Systems Configuring The 1261B 2 21 1261B User Manual Publication No 980766 Rev B Controlling 1261B EMS with To use to contro the 1261B with EMS connect an RS 232 HyperTerminal Win 95 cable to J 412 of EMS module to
134. part 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 Sy
135. pecific numeric values are accepted the function generator will ignore values which are not accepted and will generate an error message The following command is an example of a command that uses a numeric parameter SENSE VOLT1 RANGE UPPER 5 75 Discrete parameters are used to program settings that have a limited number of values e g trigger delay is applied to INPut or OUTput or NONE They have short and long form command keywords Upper and lower case letters can be mixed Query responses always return the short form in all upper case letters The following command uses discrete parameters VXI CONF MON DELAY STATE INPut OUTput NONE Boolean parameters represent a single binary condition that is either true or false The EMS accepts OFF or 0 for a false condition The EMS accepts ON or 1 for a true condition The instrument always returns or 1 when a boolean setting is queried The following command uses a boolean parameter DISPLAY TEXT STATE OFF ON 0 1 Table 5 1 summarizes the complete SCPI command tree available to program the EMS Refer to section 4 in this manual for more complete details on each command Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Table 5 1 VXIbus 1261B EMS SCPI Commands List Summary SCPI 1994 0 Notes SYSTem ERRor VERSion COMMunicate SERial RECeive BAUD BITS
136. peration Power Consumption 1440 W line power maximum Fuse Rating 90 V 250 V Operation 0 25 in x 1 25 in Slow Blow 15 250 V 207 V 250 V 5 mm x 20 mm Slow Blow 10 A Operation 250 V 1 minute cool down 8 A maximum at 207 Power Disconnect Front Panel Power On Standby Switch Rear panel connection allows for remote inhibit operation Power cord provides main power disconnect The Power On Standby switch must be in Power On position prior to use of remote inhibit Power Factor Correction Over entire input voltage range 45 Hz to 66 Hz Astronics Test Systems Specification A 1 1261B User Manual Table A 2 Characteristic Maximum Power Usable To Chassis Usable power available to slots 0 12 230 VAC DC Current Capacity Ime Dynamic Current DC Voltage Regulation Publication No 980766 Rev B DC Output Power Description 1100 W 0 C to 30 C 180 V 250 V derate 10W C above 30 C 1000 0 to 40 C 100 V 250 V 900 W 0 C to 40 C 90 V 100 V 925 W 0 to 40 C 975 W 0 to 35 C 1025 W 0 to 30 C Voltage lup Steady State Current 24V 12A 12V 17A 5 80 2V 30A 5 2 V 60 A 12 V 17A 24 V 12A 5 1 user supplied Voltage Imp Amps 24 V 6 5 12 V 3 5V 15 2V 4 5 5 2 V 9 12 V 3 24 V 6 5 Voltage Tolerance AV 24 V 1 2V 720 mV 12 V 600 mV 360mV 5V 250
137. ply PS 5V 5 2V 2V 24V 24V 412V 12V Power Supply Current Limit Power Supply PS 5V 5 2V 2V 24V 24V 12V 12V Fan Speed Limit Absolute Temperature Limit Ambient Temperature Limit Slot Temperature Rise Limit Number of VXI Bus Errors IACKs Power On Time Limit Cumulative Power On Time Limit Filter Service Time Limit Trigger In Trigger Out Delay TRIG IN Input TRIG OUT Output Front Panel Display State Front Panel User Message RS 232 Baud Rate RS 232 Parity RS 232 Data Bits RS 232 Stop Bits Current Sharing Option 53 Using The Enhanced Monitoring System 4 2 Maximum Minimum 5 25V 4 87V 5 04V 5 46V 1 90V 2 10V 25 20V 23 28V 23 28V 25 20V 12 60V 11 64V 11 64V 12 60V Maximum 80A 60A 30A 12A 12A 17A 17A 2000 RPM Minimum 4999 RPM Maximum 55 C 55 C 30 0 C 0 disabled 1 year 5 years 4320 hours of power on time 180 days 0 0 Seconds Disconnected Disconnected On None 9600 set by DIP switch SW1 None set by DIP switch SW1 8 set by DIP switch SW1 1 set by DIP switch SW1 Disabled set by DIP switch SW1 7 Astronics Test Systems Publication No 980766 Rev B What To Do Now Measuring Power Supply Voltages Measuring Power Supply Currents Measuring Ambient Temperature Astronics Test Systems 1261B User Manual When writing commands to operate the 1261B EMS follow the instructions in this chapter t
138. pulses per revolution Understanding The 1261B 6 9 1261B User Manual EMS Fan Speed Control EMS Fan Speed Switch Understanding The 1261B 6 10 Publication No 980766 Rev B The speed of the module fans is controlled by either the slot with the highest absolute temperature or the highest temperature rise If the absolute temperature of any slot exceeds 40EC the module fans operate at full speed If the temperature rise of any module slot exceeds 10EC the module fans operate at full speed Switch S3 mounted on the EMS module rear panel allows the user to select between maximum fan speed or variable fan speed Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Chapter 7 MAINTENANCE What s In This Chapter Service Strategy Service Interval Preparation Astronics Test Systems This chapter provides procedures for inspecting and cleaning the 1261B removing and replacing mainframe components and isolating problems to the module level Refer to Chapter 6 Understanding The 1261B for theory of operation information The service procedures in this manual provide removal and replacement procedures to repair the 1261B to the module level Module level repairs are accomplished by exchanging faulty modules with known good modules or parts No component level repair is provided in this manual Clean the power supply filter and mainframe module fan filter at a maximum interval of six mont
139. put 3 TRIG IN input to TRIG OUT output 4 Nothing no delay The following commands may be used to select the delay application VXI CONF MONITOR TRIG DELAY STATE NPUT VXI CONF MONITOR TRIG DELAY STATE OUTPUT VXI CONF MONITOR TRIG DELAY STATE NONE The first command applies the delay between the TRIG IN input and the selected TTLTRG line The second command places the delay between the selected TTLTRG line or TRIG IN input and the TRIG OUT output The third command removes any trigger delay from the trigger subsystem The present trigger delay application may be read using the query VXI TRIG DELAY STATE The reply to this query will be one of the following INP OUTP NONE i The EMS has a 10 character LED display which is capable of Programming The displaying all printable characters This includes both uppercase Front Panel and lowercase A through 7 the comma single quote double Display quote forward and backward slash asterisk dollar sign percent sign and so on A space character may also be displayed Astronics Test Systems Using The Enhanced Monitoring System 4 29 1261B User Manual Turning The Display On and Off Writing a Message To The Display Publication No 980766 Rev B At Power On and after a reset command RST the front panel display is turned on The front panel w
140. r a common mode or root thus forming subsystems Throughout this chapter the following conventions are used for SCPI command syntax Square Brackets Enclose optional keywords or parameters Enclose parameters within a command string Triangle Brackets lt gt Substitute a value for the enclosed parameter SCPI Command Reference 5 1 1261B User Manual Command Keyword Long Form and Short Form Case Sensitivity SCPI Command Reference 5 2 Publication No 980766 Rev B Vertical Bar Separate multiple parameter choices Bold Typeface Letters Designate factory default values Part of the DISPlay subsystem is shown below to illustrate the tree system DISPlay WINDow CLEar DATA lt string gt STATe DISPlay is the root keyword of the command WINDow is the optional second level keyword TEXT is the third level keyword CLEar DATA and STATe are fourth level keywords colon separates a command keyword from a lower level keyword Each keyword defined by SCPI has both a long form and a short form The long form is formed by using all letters shown in the keyword The short form is formed by using only the uppercase letters shown in the keyword For example the DISPlay keyword may be specified by either of the following DISP DISPLAY No other form can be used to specify the keyword The keyword DISPL may NOT be used Command keywords are
141. r the BERR or IACK line For example the query SENSE VXI TACK5 LIMIT reads the presently programmed limit for the IACK5 line Refer to Table 5 2 for a description of a range of values accepted for this command The present count of Bus Error BERR or Interrupt Acknowledge cycles IACKn may be read back from the EMS Only the presently monitored event will return a non zero count value all others will return a count of 0 For example if the SENSE VXI IACK3 LIMIT 7 command is received then the BERR IACK1 IACK2 and IACK4 through IACK7 count values will be returned as zero The following queries may be used to read the present count of VXI Bus Error and Interrupt Acknowledge events SENSE VXI BERR COUNT read BERR count SENSE VXI 1 COUNT read IACK1 count Using The Enhanced Monitoring System 4 11 1261B User Manual Publication No 980766 Rev B SENSE VXI 2 COUNT read 2 count SENSE VXI COUNT read count SENSE VXI COUNT read 1 4 count SENSE VXI 5 COUNT read IACK5 count SENSE VXI IACK6 COUNT read IACK6 count SENSE VXI 7 COUNT read IACK7 count rina The VXI The present count of Bus Error BERR or Interrupt Clea 9 Acknowledge cycles IACKn may be cleared to zero
142. rating interrupts The queue of pending interrupts to send has overflowed The EMS maintains a queue of interrupts which should be sent An interrupt cannot be sent until a previous interrupt has been acknowledged A VXIbus error has occurred when the EMS attempted to write data over the VXIbus A timeout has occurred while the EMS was waiting for control of the VXIbus An internal firmware error has been detected Errors of this type should be reported to Customer Support for correction Astronics Test Systems
143. required to clear the front rail 6 Allow the front retaining hook to rest on the front rail 7 Insert a flat blade screwdriver into the slot in front of the retaining hook 8 Gently pry the tab of the retaining hook to the rear and press down the front of the card guide to snap into position To troubleshoot the 1261B VXlbus mainframe to its component module level use Table 7 1 and Understanding the 1261B in Chapter 6 Alarm conditions referenced in the PROBLEM column of Table 7 1 occur when the monitored system health status function Voltage Current Temperature or Airflow is outside of its specified tolerance For information on health status indicators and tolerance limits refer to Table A 8 or A 9 for SMS or EMS equipped mainframe respectively Maintenance 7 15 1261B User Manual Publication No 980766 Rev B Table 7 1 Troubleshooting PROBLEM POSSIBLE CAUSES WHAT TO DO Power annunciator does not come on 1261B mainframe not connected to power source Power On Standby switch not switched on Remote inhibit input rear panel of power supply is active Blown AC Mains Fuse Power supply protections are active causing the supply to be e shutdown Power supply not fully seated Faulty wiring to front panel Power On Standby Switch Make sure that the 1261B is connected to a live electrical outlet Try operating another piece of
144. rmat lt year gt lt month gt lt day gt Using The Enhanced Monitoring System 4 37 1261B User Manual Reading Event Time Stamps Publication No 980766 Rev B Each alarm condition has an associated time stamp This time stamp tracks the most recent occurrence of the out of tolerance condition The time stamp indicates the earliest time at which the most recent out of tolerance condition was detected In general the time stamps may be read using a query of the form read the time of the event read the date of the event lt attribute gt ALARM TIMI lt attribute gt ALARM P P Where attribute is replaced by a keyword which indicates which attribute s out of tolerance time stamp is to be read The valid queries are VOLT1 ALAR IME 5V PS voltage alarm VOLT2 ALARM TIME 5 2V PS voltage alarm VOLT3 ALARM TIME 2V PS voltage alarm VOLT4 ALARM TIME 24V PS voltage alarm VOLT5 ALARM TIME 24V PS voltage alarm VOLT6 ALARM TIME 12V PS voltage alarm VOLT7 ALARM TIME 12V PS voltage alarm CURR1 ALARM TIME 5V PS current alarm CURR2 ALARM TIME 5 2V PS current alarm CURR3 ALARM TIME 2V PS current alarm CURR4 ALARM TIME 24V PS
145. rmn tet rente te nre nen n 2 9 Preparing The Mainframe For Rack Mounting Omit steps 4 and 5 for options without slides 2 12 Installing The Mainframe into The Rack Omit step 1 for options without slides 2 12 Installing Option 54 1 and 54 2 Receiver Front 2 13 Installing Inter Module Shields Option 52 2 13 Installing ASFP Panel Option 23 ee eter e epe Ee ru e HERE Rue Ru 2 13 Installing Rack Mount DOOM scit ende nl edt t d bat e ub ieu T qu EE 2 13 Connecting Safety GIOUnnd 2 16 Fan Speed Range HI LO Selection For Models With System Monitor 2 17 Installing the Enhanced Monitoring System 2 18 Enhanced Monitor VXI Logical Address 2 18 Enhanced Monitor Configuration 2 19 Connecting The RS 232 Interface ER HERR RS ep Exp nes eR e uaa RE en 2 20 Connecting To a Computer Data Terminal or Modem 2 20 RS 232 Flow Control Method sotto e E E a a 2 20 HS 232 Echo Back Considerations trea tetro tek ep 2 20 Installing The VXIplug amp play 2 24 Operating The 1261B e tes diee
146. rrupt when it detects an alarm condition The EMS uses the SCPl defined mechanism for generating interrupts based on out of tolerance conditions The EMS implements a 3 level hierarchy of status registers to provide for enabling and disabling of interrupts based upon the individual VXI attributes monitored Using The Enhanced Monitoring System 4 12 Astronics Test Systems Publication No 980766 Rev B Bits 15 through 7 Bit 6 Not assigned 12V 1261B User Manual At the highest level a separate condition event and enable register is maintained for each of the following attributes Power Supply Voltages Power Supply Currents Fan Speed VXI Slot Temperatures Elapsed Time VXI Bus Error and IACK Events Thus there is a Voltage Condition Register a Voltage Event Register a Voltage Enable Register a Current Condition Register a Current Event Register and so on The Condition Register holds the present status of each of the individual items monitored For example the Voltage Condition Register has a total of seven meaningful bits see Figure 4 1 Each bit represents the present in tolerance out of tolerance state of a single power supply voltage Bit 0 the least significant bit is set to 1 if the voltage for the 5V power supply voltage is out of the programmable tolerance limits This bit is cleared to 0 if the 5V power supply voltage is within the tolerance limits Similarly
147. s This chapter contains information about how to operate the 1261B Enhanced Monitoring System EMS The instrument can be programmed using a set of SCPI commands A list of SCPI commands implemented by the 1261B EMS is given in Table 5 1 The following paragraphs describe the various modes of operation and give examples on how to program the 1261B EMS After executing a software reset the EMS defaults to the conditions shown in Table 4 1 A complete list of all parameters and their default values is given in Chapter 5 NOTE When disconnecting AC power from the 1261B such as when using a power strip wait at least three seconds before reconnecting This ensures that the EMS is properly reset Upon power on the EMS state will be reset to the power on state described in Table 4 1 If DIP switch SW1 8 is set the instrument state will be recalled from nonvolatile memory location 0 As shipped from the factory nonvolatile location 0 holds the instrument state as described in Table 4 1 The power on state of the EMS can be changed by overwriting the contents of nonvolatile location 0 by using the command SAV 0 The command below may be used to place the instrument in its default state as described in Table 4 1 on the following page RST Using The Enhanced Monitoring System 4 1 1261B User Manual Publication No 980766 Rev B Table 4 1 Default Limit Settings After Power On RST Power Supply Voltage Limits Power Sup
148. s or to disconnect the input from all of the TTLTRG lines VXI CONF MONITOR TRIG INPUT TTLTRGO VXI CONF MONITOR TRIG INPUT VXI CONF MONITOR TRIG INPUT TTLTRG2 VXI CONF MONITOR TRIG INPUT TTLTRG3 VXI CONF MONITOR TRIG INPUT TTLTRG4 VXI CONF MONITOR TRIG INPUT TTLTRG5 VXI CONF MONITOR TRIG INPUT TTLTRG6 VXI CONF MONITOR TRIG INPUT TTLTRG7 VXI CONF MONITOR TRIG INPUT NONE The first eight commands above connect the TRIG IN input to TTLTRGO through TTLTRG7 respectively The last command disconnects the TRIG IN input from all of the TTLTRG lines Note that by selecting one TTLTRG line all other TTLTRG lines are implicitly disconnected To determine which line is presently connected the query VXI CONF MONITOR TRIG INPUT may be used Using The Enhanced Monitoring System 4 25 1261B User Manual Connecting The TRIG OUT Output To a TTLTRG Line Publication No 980766 Rev B The reply to this query will be one of the following TTLTO TTLT2 TTLT3 TTLT4 TTLT5 TTLT6 TTLT7 NONE The Default state for this command is NONE The TRIG OUT output may be connected to one of the TTLTRGx lines TTLTRGO through TTLTRG7 The following commands may be used to connect the TRIG OUT output to one of the TTLTRG lines or to disconnect the input from all of the TTLTRG lines VXI CONF
149. sed per the F400 Fusing Chart below F400 Fusing Chart Fuse Nominal AC Input Type 15 120VAC 1 4 X 1 1 4 10A T 230VAC 5mm X 20MM The standard 1261B is shipped configured for 120 VAC input power f Option 71 P N 407401 is ordered the 1261B is configured for 230 VAC input power Should it be necessary to replace the AC mains fuse F400 refer to Chapter 7 Removal and Replacement of The AC Mains Fuse Refer below to a detailed view of the fuseholder for 120VAC and 230VAC operation Configuring The 1261B 2 1 1261B User Manual Publication No 980766 Rev B 120VAC 15Amp 1 X 1 1 4 Fuse Carrier View 230VAC 10Amp 5mm X 20mm Fuse Carrier View WARNING For your protection from electrical shock when operating at mains frequencies greater than 63Hz connect the chassis safety ground terminal to permanent earth ground See Figure 2 11 Configuring The 1261B 2 2 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Site Considerations Installing VXI Modules Installation and Removal of Card Guide Covers Airflow Directors The 1261B Mainframe is designed to operate on a bench or in an instrument rack If the bench top model is installed in a rack allow 1 75 inches of clearance above the unit to permit the free flow of air through the exhaust vents in the top cover Refer to Figures 1 5 and 1 6 for vent locations for the 1261B bench top and rack mount main
150. sensing and control power supply voltage and current monitoring System status is reported via a front panel annunciator for Voltage Current Airflow and Temperature alarm conditions A TTL pulse train at the speed RPM of each fan is output to rear panel Monitor Connector J410 The fans output 2 pulses per revolution The front panel AIRFLOW LED is green under normal conditions and red during a fault A fault is indicated when the fan speed is lt 15 Hz or gt 300 Hz The speed of the module cooling fans is controlled by either the slot with the highest absolute temperature or the highest temperature rise If the absolute temperature of any slot exceeds 40 the fans operate at full soeed If the temperature rise across any module slot exceeds 10 C the fans operate at full speed Switch S3 mounted on the SMS rear panel allows user to select between maximum fan speed or variable fan speed The exhaust air temperature of each slot is measured by 13 passive thermistors An additional thermistor monitors the intake air temperature Understanding The 1261B 6 5 1261B User Manual SMS Voltage Monitoring SMS Current Monitoring Enhanced System Monitor EMS Understanding The 1261B 6 6 Publication No 980766 Rev B The absolute temperature of each thermistor is measured in DC volts The non linear DC voltage generated by each thermistor is made linear by using an A D converter PROM look up table and D A converter
151. sent along with each character using the Word Serial Byte Available command GPIB VXI slot 0 controllers translate the GPIB EOI line to VXlbus protocol which sets the END bit to identify the last character of a command Over the RS 232 interface there is no line Therefore ALL commands transmitted over the RS 232 interface must be terminated with the ASCII The IEEE STD 488 2 standard defines a set of common commands that perform functions like reset trigger and status operations Common commands begin with an asterisk are four to five characters in length and may include parameters The command keyword is separated from the first parameter by a blank space Use a semicolon to separate multiple commands as shown below RST STB IDN The SCPI language defines several different data formats to be used in program messages and response messages SCPI Command Reference 5 5 1261B User Manual Numeric Parameters Discrete Parameters Boolean Parameters SCPI Command Summary SCPI Command Reference 5 6 Publication No 980766 Rev B Commands that require numeric parameters will accept all commonly used decimal representations of numbers including optional signs decimal points and scientific notation Special values for numeric parameters like MINimum MAXimum and DEFault are also accepted Engineering unit suffixes with numeric parameters e g mV KV mA KHz can also be sent If only s
152. st Systems Publication No 980766 Rev B 1261B User Manual The Enable Registers for each attribute may be set with the following commands arbitrary register values are shown STAT QUES VOLT ENAB 127 Voltage Enable QUES CURR ENAB 31 Current Enable STAT QUES TEMP 7 Temperature Enable STAT QUES 15 Elapsed Time Enable QUES FREQ ENAB 15 Fan Speed Enable QUES VXI 255 VXI Enable Each of the monitored attributes have an Event Register and an Enable Register For each attribute the registers are logically ANDed together and the result is Ored to form a status summary bit Each attribute is represented in the Questionable Condition register by a single summary bit The bit assignments for the Questionable Condition register is shown in Table 4 8 Table 4 8 Questionable Condition Register Bit Assignment Astronics Test Systems 11 Using The Enhanced Monitoring System 4 19 1261B User Manual Publication No 980766 Rev B The Questionable Condition Register may be read with the query STATUS QUES COND This query returns an integer value in the range 0 to 575 In addition to the Questionable Condition Register the 1261B EMS implements a Questionable Event Register and a Questionable Enable Register These act identically to the Ev
153. st Systems Publication No 980766 Rev B 1261B User Manual Modular Component Removal and Replacement Astronics Test Systems 1 On rackmount 9U mainframes only loosen the two captive thumbscrews on the fan cover assembly and allow it to swing open It will pivot about its base allowing access to the module fan filter and frame 2 Loosen the lower center captive thumbscrew on the module fan filter frame Lift it up and towards the rear to remove the frame and filter from the rear of the module fan assembly 3 Clean the fan filter by washing in mild soap solution vacuuming or blowing air through the filter Rinse the filter with water and dry before replacing it in the mainframe 4 To replace install the filter into the frame 5 Align the hooks on the back of the filter frame with the slots on the fan assembly Insert the frame and push down to engage 6 Tighten the captive thumbscrew to secure the fan filter frame 7 On rackmount mainframe only swing the module fan cover upwards and forward and secure with thumbscrews The following procedures describe how to remove and replace module level components of the 1261B Mainframe Perform these procedures only as necessary as part of installation e g fuse replacement mainframe service or repair Refer to the Assembly Drawings in this chapter for an overview of the assembly and disassembly of the mainframe See Troubleshooting for assistance in fault isolation
154. stem controller by asserting one of the VXI interrupt lines IRQ1 to IRQ7 When the system controller detects the interrupt it can read status registers on the EMS to determine which attribute is at fault It can then query the EMS to determine the present value of the attribute It can also query the EMS to determine the time and date of the alarm condition Programming the EMS to perform this monitoring is done as a two step process 1 Program the tolerance limits for the attribute 2 Program the status registers to generate an interrupt when the attribute is outside its tolerance limits The various SENSE commands are used to set the programmable tolerance limits for the various attributes monitored by the 1261B EMS The following paragraphs describe how to set each attribute s tolerance limit or limits Refer to Table 5 2 for a description of the range of values accepted for each command Using The Enhanced Monitoring System 4 6 Astronics Test Systems Publication No 980766 Rev B Programming The Power Supply Voltage Tolerance Limits Programming The Power Supply Current Tolerance Limits Astronics Test Systems 1261B User Manual The power supply voltages are monitored to ensure that they are between an upper and a lower limit The lower voltage tolerance limit is always the most negative and the upper voltage tolerance limit is always the most positive The following commands may be used to set the power supply v
155. stems its officers employees subsidiaries affiliates and distributors harmless against all claims arising out of a claim 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 Q SENSITIVE ELECTRONIC DEVICES Do RISK OF ELECTRICAL SHOCK human life and safety and is capable of inflicting CAUTION This equipment contains voltage hazardous to 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 Maintenance and calibration procedures sometimes call for operation of the unit with power applied and protective covers removed Read the procedures and heed warnings 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 protecti
156. ster is read the bits of the Event Register are cleared The bits of the Event Register are only set on a transition from an in tolerance state to out of tolerance state This corresponds to a 0 to 1 transition of the Condition Register The Enable Register determines which of the Event Register bits will be passed onto the next level of status reporting The value of the Event Register and Enable Register are logically ANDed together If any of the bits of both registers are set the status summary bit passed onto the next level of status reporting is also set This is shown in Figure 4 2 Using The Enhanced Monitoring System 4 17 1261B User Manual Publication No 980766 Rev B 2 a co 5 096520 5 gt f Ss 9 52 35 8 9 gt Oo0o0x 02 020 2 O ul Q O Standard i7 els 4 al2 1 o Event Status Register ESR Es 6 5 Oo Logical OR E P 8 Not Empty amp Standard Event LLLI LI Status Register 76 5432 1 0 Output Queue Service read by Serial Poll R t S Byte Regi 2 ji 9 Logical OR amp REAR amp Service Request SENS Enable Register 4 EISISERISEETS SEPA Figure 4 2 Event and Enable Registers and Summary Generation Using The Enhanced Monitoring System 4 18 Astronics Te
157. stop bit even parity 7 data bits Using The Enhanced Monitoring System 4 36 Astronics Test Systems Publication No 980766 Rev B Setting The System Time and Date Astronics Test Systems 1261B User Manual 9600 baud 1 stop bit no parity 8 data bits then the number of data bits must be programmed first To read the Baud Rate SYSTEM COMM SER TRAN BAUD The EMS has an on board battery backed time of day clock This clock keeps track of both time and date The time and date are used for time stamping the alarm conditions so they may be read back by the user They may also use this feature to obtain the date and time The system time may be set using the command SYSTEM TIME lt hour gt lt minute gt lt second gt where lt hour gt ranges from 0 to 23 lt minute gt ranges from 0 to 59 lt second gt ranges from 0 to 59 The present time may be read using the query SYSTEM TIME The EMS will reply to this query using the format lt hour gt lt minute gt lt second gt The system date may be set using the command SYSTEM DATE lt year gt lt month gt lt gt where lt year gt ranges from 1995 to 2020 lt month gt ranges from 1 to 12 lt day gt ranges from 1 to 31 may be less than 31 depending on the lt month gt The present date may be read using the query SYSTEM DATE The EMS will reply to this query using the fo
158. t proportional to the speed of Fan 1 2 pulses revolution 7 TACH2 TTL output proportional to the speed of Fan 2 2 pulses revolution TTL output proportional to the speed of Fan 3 2 pulses revolution 9 11 GND Logic Ground 12 15 RSV Reserved Astronics Test Systems Operating The 1261B 3 13 1261B User Manual Publication No 980766 Rev B Table 3 8 J415 Rear Panel Monitor Control Connector Pin Signal 1 24vMON VxXiusVotageMontorOuput 2 3 2VWoN VXiusVotageMontorOuput 4 oN 5 samon PowerSuppyCumenMoniorOuput 6 12MON PowerSuppyCumenMontorOuput 7 2 PowerSuppyCumenMontorOuput 8 s2vmon VXibus Voltage Monitor Output 9 mv 10 s5STANDBY VXussSVStndbyinpu 5VMON 12 VXIbus ACFAIL Input or Monitor Output see note RN Reewd Penn 15 Voltage Monitor 16 s24VMON VXbus Voltage Monitor Outpt 18 12IMON Power Supply Current Monitor Output 24IMON Power Supply Current Monitor Output 20 52 PowerSupply Current Monitor Output 21 smon PowerSupply Current Monitor Output 22 s5STANDBY 5V Standby npt 23 RINHBIT Power Supply Remote Inhibit Input SC 25 SYSRESET VXIbus SYSRESET Input or Monitor Outp
159. the EEPROM is possibly corrupt 3 of the VXI mainframe sensors routed to the EMS s A D converter has failed The measured Using The Enhanced Monitoring System 4 46 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual value on one of the sensors has measured extremely high indicating that the sensor is disconnected The sensor s at fault is indicated in the reply to the SYST ERR query 4 The EMS programmable interrupt timer has failed its self test 5 One section of the EEPROM has failed its verification Some data in the EEPROM may be corrupt 6 real time clock has failed its self test Date and Time functions will not work properly Time stamps for alarm conditions will not be recorded properly If any non zero error code is returned a description of the failure is placed on the error queue The cause of the error may be read using the command SYST ERR This command may be sent over the RS 232 or the VXlbus interface The EMS will reply with an error message with the form 330 Self test failed lt self test failure description gt The lt self test failure description gt s and their meanings are described below ROM checksum failed is s b YYYY This error is returned when the ROM checksum has failed TST returns 1 The computed checksum is shown as four hexadecimal digits represented by XXXX The stored checksum is shown as four hexadecimal
160. the slot temperature sensors has failed This example shows all thirteen of the slot temperature sensors Only the failing sensors will be shown when this error occurs This message may be returned if the TST command returns a value of 3 Microcontroller P I T failed This error is returned when the EMS s Programmable Interrupt Timer test has failed This message will be returned if the TST command returns a value of 4 EEPROM header corrupt XXXXXXXX This error is returned when the header first 4 bytes of the EEPROM do not match the expected fixed pattern of AAAA5555 hexadecimal The actual value read from the EEPROM is shown as 8 hexadecimal digits enclosed in parentheses This error may be returned if the TST command returns a value of 5 EEPROM Alarm Data Corrupt Address This error is returned when one of the alarm time stamps in the EEPROM does not have a valid checksum This indicates that the particular time stamp is corrupted The address within the 8K EEPROM is shown as four hexadecimal digits This error may be returned if the 5 command returns a value of 5 Using The Enhanced Monitoring System 4 48 Astronics Test Systems Publication No 980766 Rev B Astronics Test Systems 1261B User Manual EEPROM state X read fail This error is returned when the attempt to read the data for state X X 0 to 9 has failed This indicates that the stored
161. these screws Adjust the length of the rear slide bracket so it touches the inside of the rear mounting rail Tighten the rear bracket to slide assembly screws Lightly secure the rear slide bracket to the rear mounting rail using two Phillips Panhead 10 32 x 5 screws Item 17 Place the rear slide bracket firmly against the mounting rail before seating these screws Install the other slide mounting assembly in the same manner Set the front dimension between the two slide mount assemblies at 16 13 16 inches 1 16 0 and firmly secure the front brackets to the mounting rail The distance between the two slide mount assemblies at the rear bracket should also be set at 16 13 16 inches 1 16 0 Should a filler plate be required to secure the slide mount assembly to the rear rack mounting rail at 16 13 16 inches 1 16 0 use the dimensions given in Figure 2 6 to determine filler plate size The rear rack bracket may require adjustment to accommodate the thickness of filler plate Firmly secure the rear rack bracket to the rear rack mounting rail or filler plate using two Phillips Panhead 10 32 x 1 screws in each bracket Item 17 The slides are now positioned to accept the mainframe Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Rear View of Rack Plate plied Stotted Flange of Rear Rack Bracket 1 3 4 1 Holes n Plate 16 13 16 1 16 0
162. tion Software Protocols supported by SCPI Compliance 1994 0 VXI and RS 232 Interfaces IEEE 488 2 Specification A 14 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Appendix B ERROR MESSAGES Error Messages Astronics Test Systems In general whenever the EMS receives an invalid SCPI command it automatically generates an error Errors are stored in a special error queue and may be retrieved from this buffer one at a time Errors are retrieved in first in first out FIFO order The first error returned is the first error that was stored When you have read all errors from the queue the generator responds with the message 0 No error If more than 16 errors have occurred the last error stored in the queue is replaced with 350 Queue overflow No additional errors are stored until errors are removed from the queue as described in the following paragraphs The error queue is cleared when power has been shut off or after CLS command has been executed The RST command does not clear the error queue Use the following command to read the error queue SYSTem ERRor All errors have the following format the error string may contain up to 80 characters lt Error Number gt lt Error String gt Where lt Error Number gt is a numeric value This may be positive or negative lt Error String gt 5 descriptive error message enclosed in double quotes A complete listing of t
163. tor driver which can sink 10mA of current 4 Opening the remote switch or deasserting unti the open collector driver re applies DC Po power to the mainframe Power On provided the front power switch is in the on position Figure 3 6 Using Remote Power On Standby Switching Astronics Test Systems Operating The 1261B 3 7 1261B User Manual Publication No 980766 Rev B Monitoring Refer to Figures 3 1 to 3 4 while using Table 3 1 to interpret system monitor information This section applies to basic features Basics common to the Standard SMS and Enhanced EMS Monitoring Systems See Section 4 Using The Enhanced Monitor for additional EMS capabilities Refer to Section 7 Troubleshooting if a LED indicator or display message in the What You See On The Front Panel column is other than the color Green or the message System Table 3 1 Monitoring Basics WHAT YOU SEE ON THE FRONT PANEL WHAT IT MEANS WHERE TO VERIFY Voltage LED Green VXI Voltages are within acceptable At rear panel connector J415 limits or 4 56 lt 5 lt 5 50V J415 Pin 11 System 10 95 lt 12 lt 13 20 9415 Pin 17 21 90 lt 24V lt 26 40 J415 16 2 20 2V Rail 1 83V J415 Pin 3 5 72 lt 5 2 Rail lt 4 75V J415 Pin 8 13 20V lt 12V Rail 10 95V dio 26 40V lt 24V Rail lt 21 90V J415 Pin 1 Use J
164. ule Possible damage to the module could result 1 Loosen the two captive thumbscrews which secure the monitoring system to the mainframe Grasp the module by the top and bottom handles Carefully pull to the rear to remove the system monitor module Astronics Test Systems Maintenance 7 11 1261B User Manual Publication No 980766 Rev B Pluggable Standard SMS or Enhanced EMS System Monitor Assembly Figure 7 8 Monitoring System Module Removal and Replacement 4 To reinstall the monitoring system module align in the card guides at rear of the mainframe 5 Gently insert the module into the mainframe ensuring proper engagement in the card guides 6 Firmly push the module forward to seat into the backplane connectors 7 Tighten the two captive thumbscrews securing the module Maintenance 7 12 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Removal and Complete the steps below while referring to Figure 7 9 Replacement of The AC Mains Fuse WARNING To avoid electrical shock the AC mains power input must be disconnected before replacement of the fuse Loosen ILS Tighten F400 1400 AC Mains Input AC Mains Fuse TER EASES BEN al El i Figure 7 9 Removing and Replacing The AC Mains Fuse Astronics Test Systems Maintenance 7 13 1261B User Manual
165. unt ear using the mounting holes adjacent to the identifier hole See Figure 2 5 This results in meeting the requirement of 100 58 mm 3 960 in from the front surface of the rack mount ear to the mounting surface of the VXI module front panel Depending on rack style front or internal mounting rail choose appropriate rack brackets long or short Item 29 for front and rear slide attachment Attach brackets to slide assembly using bracket kit hardware Leave loose for final Configuring The 1261B 2 9 1261B User Manual Configuring The 1261B 2 10 Publication No 980766 Rev B adjustment Install 10 32 retaining nuts Item 9 into rack bracket slots 8 places Measure distance c inches between rear of rack mount ear and front of the mainframe Measure distance inches from front of front rack mounting rail to rack slide bracket mounting surface in the rack Firmly secure front slide bracket to slide at distance d from front of slide where d 1 78 d may bea negative number in which case bracket is mounted behind leading edge of slide Hold the front end of the slide mount assembly behind the front mounting rail of the rack while the second person holds the rear end of the assembly Lightly secure the front slide bracket to the front mounting rail using two Phillips Panhead 10 32 x 2 screw 17 Place the front slide bracket firmly against the mounting rail before seating
166. ure A 1 shows the worst slot cooling curve of the mainframe Tested per VXI 8 Rev 2 0 Cooling System Forced air circulation positive pressurization Fan Speed Control with EMS or SMS A rear panel switch chooses between full speed and variable speed On the chassis with EMS the slot exhaust air temperature and ambient air temperature are monitored to maintain a constant temperature rise across the installed modules Fan Speed Control without EMS or SMS A rear switch on the fan assembly chooses between full speed and low speed On the chassis without EMS or SMS the chassis runs quieter when operated outside the rack Slot Airflow Direction P2 to P1 bottom of module to the top of module Mainframe Intake Bench Top Bottom rear of mainframe Mainframe Exhaust Bench Top Top of mainframe Mainframe Intake Rack Mount Model Bottom sides of mainframe consistent with industry rack mount cooling practice Mainframe Exhaust Rack Mount Model Rear of mainframe top rear of mainframe consistent with industry rack mount cooling practice Filter Access Power Supply and Module Filter accessible from rear of the mainframe Fans Specification A 4 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual 2 mm 8 Rev 2 0 Fixture Rev 1 9 Fan filters installed Standard Modules Installed 3 5 2 5 2 0 PRESSURE 7 VXI 8 Standard Module Curve 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5
167. ut see note Note Refer to VXlbus and VMEbus specifications for details on using the ACFAIL and SYSRESET signals If you use these signals do not violate VXlbus or VMEbus electrical specification 13 12 11109 8 7 6 5 4 3 2 1 Oooooooooooo 25 24 23 22 21 20 19 18 17 16 15 14 Operating The 1261B 3 14 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Basic Functional The functional check consists of checking the 1261B power supply voltages to the VXlbus limits at rear panel connector J415 using a Check digital voltmeter Referring to Table 3 10 connect one lead of the voltmeter to a supply pin at J415 Connect the reference lead of the voltmeter to one of the ground pins Compare each voltage reading to the values listed in Tables 3 10 Table 3 9 Power Supply Voltages at J415 Voltage Range 11 64V to 12 6V 23 28V to 25 2V 5 46V to 5 044V 2 4 14 or 24 Logic Ground If the voltages are within the specified ranges the mainframe complies with VXI voltage limit specifications Astronics Test Systems Operating The 1261B 3 15 1261B User Manual Publication No 980766 Rev B This page was left intentionally blank Operating The 1261B 3 16 Astronics Test Systems Publication No 980766 Rev B 1261B User Manual Chapter 4 USING THE ENHANCED MONITORING SYSTEM Overview Power On Reset Defaults Astronics Test System
168. ve third wire earth ground If the 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 92618 declare under sole responsibility that the 1261B High Performance VXI bus Mainframe P N 407374 XXXXX conforms to the following Product Specifications Safety EN61010 1 1993 A2 1995 EMC EN61326 1997 A1 1998 Supplementary Information The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC modified by ia Irvine CA May 08 2002 7 Engineering Director This page was left intentionally blank Publication No 980766 Rev B 1261B User Manual Table of Contents m OE E Getting Started 1 1 Product Description 1 1 OS coti ot 1 1 Ease Ol M 1 1 Bench Top Model 7U Footprint enata tn ete 1 2 VXIplug amp play Rack Mount Model 90 Footprint 2 1 3 Modular Mainframe DGSIQn ee 1 4 2000 Watts Available DG 1 5 High Capacity Positive Pressure Coo
169. ystem Monitoring EMS module Possible damage to the module could result P2 28999888 Component Side ig 2413 Astronics Test Systems jose Inm Factory Default Sett ng d c FU 1 Remove the EMS module See Removal and Replacement in Chapter 7 Position 1 enables changes 2 Configure 1 located the component side of the EMS module 3 Replace the EMS module See Removal and Replacement in Chapter 7 0 1 CL Power Up 1 Enabled 0 Disabled Current Sharing 1 Enabled 0 Disabled Baud k 00 11 None gg Parity 91 Odd 10 Even CL Data Bits 058 1 7 CIJ Stop Bits 071 1 2 Power Up Enabled Current Sharing Disabled Baud 9600 Parity None UM Data Bits 8 C Stop Bits 1 2414 Figure 2 12 Setting the Enhanced Monitoring System Configuration Switch Configuring The 1261B 2 19 1261B User Manual Connecting The RS 232 Interface Connecting Toa Computer Data Terminal or Modem RS 232 Flow Control Method RS 232 Echo Back Considerations Configuring The 1261B 2 20 Publication No 980766 Rev B Omit this procedure if your mainframe is not equipped with the Enhanced Monitoring System EMS The 1261B EMS RS 232 port may be connected to a computer data terminal or modem Note that the RS 232 connector on the 1261B is a female

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