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EADS / Racal 1261B Manual

1. 3 Per Side Item 9 sz a Handle Mounting Screws 2 Per Handle i Item 21 i Rack Mounting Ear i cht Handle S Retainer Nut Screws Item 27 3 Per Side ei Item 18 Li zi FRONT VIEW REAR VIEW VXI Plug amp Play position identifier hole 3 Per Side Rack Mounting Ear J Screw Be 3 Per Side p Front Rack Bracket Item 20 x Part of Item 29 or Items 34 35 Jf d Shim Plate a Rear 1 Per Side 7 7 SS 535 amp Rack Rail Item 6 S s Sseseseseses Ff N a E ANE E EH ZE o Sc SE Rack Retainer Nut NEEN Screw 2 Per Bracket dE Item 17 o y _ Mounting Hardware gt es Part of Item 29 or o vi Items 16 31 32 33 Slide Rack Bracket Retainer Nut Screw 2 Per Bracket Item 17 ES pa L d Vi Bracket Retainer Nut Rack Slide Remove Foot Rear Rack Bracket 2 Per Bracket Mounting Mounting Screw Screw and Part of Item 29 or Item 9 Ear 3 Per Side Washer Items 36 37 Screw Item 16 4 Places 3 Per Side Item 20 Figure 2 5 Preparing The Mainframe For Rack Mounting Configuring The 1261B 2 6 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table 2 1 Rack Mount Components 456387 002 456418 002 615089 615091 Phillips Panhead 10 32 x 375 10 615089 screw Phillips Panhead
2. Illegal RS 232 The following combinations of parity data bits and stop bits are NOT supported Interface N ity 7 data bits 1 stop bit o parity 7 data bits 1 s Combinations 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 If an attempt is made to program the number of data bits to 7 before the parity is set to even then an illegal 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 7 Note that the order of programming will have to change based upon what the present configuration is and what the desired configuration is T
3. SENSE FREQ1 RANGE UPPER 6500 all 3 fans upper limit SENSE FREQ1 RANGE LOWER 2000 all 3 fans lower limit SENSE FREQ2 RANGE UPPER 7220 fan 1 upper limit SENSE FREQ2 RANGE LOWER 3120 fan 1 lower limit SENSE FREQ3 RANGE UPPER 6970 fan 2 upper limit SENSE FREQ3 RANGE LOWER 2870 fan 2 lower limit SENSE FREQ4 RANGE UPPER 7220 fan 3 upper limit SENSE FREQ4 RANGE LOWER 2650 fan 3 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 Programming The The ambient temperature is monitored to ensure that it does not exceed an upper limit The following command may be used to Ambient set the ambient temperature limit Temperature Tolerance Limits 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 TEMPI 4 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 Racal Instruments 1995 Artisan Technol
4. ccccceeeeeeeeeeeeeeeaaeeeeeeeeeeeeeeaaaeaaeeeeeeeeeeaaaeaaeeeeeeeeeesaaaeaneeeeeeseseeaaas 8 1 SUPPO OTCE S me 8 2 vi Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual List of Figures Figure 1 1 1261B Bench Top 7U Tall Maintframe 1 2 Figure 1 2 1261B Rack Mount 9U Tall Maintframe eee eeeeeeeeeeeeeeeeeteeeenneeeeeeees 1 3 Figure 1 3 Modular Service Friendly Mainframe Design Features 1 4 Figure 1 4 1261B High Power Pluggable Power Supply rrnnvrrrrnnnnnnnvrvnnnnrrrrnnnnnnnrrnnnnnrrrnnnnennnnnn 1 5 Figure 1 5 1261B Bench Top Mainframe Positive Pressure Cooling System rrrrrrrrrnnnvrrrnnnnnnn 1 6 Figure 1 6 1261B Rack Mount Mainframe Positive Pressure Cooling System eeeeee 1 7 Figure 1 7 1261B System Monitor Components 1 8 Figure 1 8 Rack Mount and Cable Tray Option Components 1 9 Figure 2 1 Airflow Direchors Eeer EEEEEEEEE E OeAAEEE EEEE Enennn EEEE 2 2 Figure 2 2 Blanking EE 2 3 Figure 2 3 Rack Mount Options Major Component rrrrrrnnnvrrrrnnnrnnnnnvrrrnnnnnnnnrrnnnnrrrrnnnnnnnrrnnnnnnn 2 4 Figure 2 4 Slide and Bracket Components 9U Rack Mount Maintrame oornnnnnnnnnnnnnnrrrnnnnnnnnnnr 2 5 Figure 2 5 Preparing The Mainframe For Rack Mounting ccccccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 2 6 Figure 2 6 Rear End Slide Mount Rack Dimension rrrrvrnrrrnnrrnrrrrrrrrerrrrrrrererererrrrrere
5. Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Using Remote Power On Standby Switching 2 4 14 or 24 Logic Ground GND 1 Connect a user supplied cable or 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 HOI TO e CONTROL 8 LI 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 collector driver which can sink 10mA of current 4 Opening the remote switch or deasserting See the open collector driver re applies DC 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 Racal Instruments 1995 Operating The 1261B 3 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Monitoring Basics WHAT YOU SEE ON THE FRONT PANEL Voltage LED Green or System OK Current LED Green or System OK 1261B User Manual Refer to Figures 3 1 to 3 4 while using Table 3 1 to interpret system monitor informat
6. IEEE 488 2 Common Commands IDN Query Racal Instruments 1995 VXI ACFAIL ALARM TIME VXI ACFAIL alarm VXI IACK1 ALARM TIME VXI IACK1 alarm VXI IACK2 ALARM TIME VXI IACK2 alarm VXI IACK3 ALARM TIME VXI IACK3 alarm VXI ITACK4 ALARM TIME VXI IACK4 alarm VXI IACK5 ALARM TIME VXI IACK5 alarm VXI ITACK6 ALARM TIME 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 OPT SAV and RCL 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 gt This reply indicates the manufacturer Racal Instruments the model 1261B EMS the serial number if not available it is O and the firmware revision The firmware revision is the only field
7. Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual WHAT YOU SEE ON THE FRONT PANEL Temp LED Green or System OK Airflow LED Green or System OK Racal Instruments 1995 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 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 J410 Pin 6 7 8 on SMS or J414 Pin 6 7 8 on EMS 2 Pulses per Revolution TTL Pulse Train Use J410 or J414 Pin 9 or 10 as ground reference Operating The 1261B 3 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 per
8. filter service Each 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 VX1I ACFAIL read ACFAIL line MEAS VX1I SYSFAIL read SYSFAIL line MEAS VXI ASTROBE read AG 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Monitoring The VXI The 1261B EMS has the ability to monitor the VXI power supplies voltage and current VXI slot temperatures fan speeds Subsystem 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 genera
9. A rtisan Artisan Technology Group is your source for quality TecmologyGrap new and certified used pre owned equipment FAST SHIPPING AND SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT DELIVERY Experienced engineers and technicians on staff Sell your excess underutilized and idle used equipment TENS OF THOUSANDS OF at our full service in house repair center We also offer credit for buy backs and trade ins IN STOCK ITEMS www artisantg com WeBuyEquipment 7 EQUIPMENT DEMOS HUNDREDS OF Instra zer REMOTE INSPECTION LOOKING FOR MORE INFORMATION MANUFACTURERS Remotely inspect equipment before purchasing with Visit us on the web at www artisantg com 7 for more our interactive website at www instraview com information on price quotations drivers technical LEASING MONTHLY specifications manuals and documentation RENTALS ITAR CERTIFIED EE Contact us 888 88 SOURCE sales artisantg com www artisantg com MODEL 1261B HIGH POWER INTELLIGENT MAINFRAME VXI CHASSIS PUBLICATION NO 980766 RACAL INSTRUMENTS United States Corporate Headquarters and Service Center 4 Goodyear Street Irvine CA 92618 Tel 800 722 2528 949 859 8999 Fax 949 859 7139 5730 Northwest Parkway Suite 700 San Antonio TX 78249 Tel 210 699 6799 Fax 210 699 8857 Europe European Headquarters and Service Center 18 Avenue Dutartre 78150 LeChesnay France Tel 33 0 1 39 23 22 22 Fax 33 0 1 39 23 22 25 29
10. 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual What To Do Now Measuring Power Supply Voltages Measuring Power Supply Currents Measuring Ambient Temperature Racal Instruments 1995 When writing commands to operate the Model 1261B EMS follow the instructions in this chapter to understand the meaning and response that each command generates Examples contained in the following pa
11. ERRor VERSion COMMunicate SERial RECeive BAUD BITS SBITs PARity TYPE TRANsmit AUTO BAUD BITS SBITs TIME VOLTage lt N gt CURRent lt N gt FREQuency lt N gt TIME lt N gt TEMPerature lt N gt VXI ACFail ASTRobe SYSFail STATus PRESet OPERation LEVENt CONDition ENABIe QUEStionable EVENt CONDition ENABIe VOLTage EVEN CONDition ENABIe CURRent EVEN CONDition ENABIe TEMPerature EVEN CONDition ENABIe FREQuency EVEN CONDition ENABIe TIME EVEN CONDition ENABlIe Parameter Form Default in Bold Confirmed 1200 2400 4800 9600 718 112 EVEN ODD NONE 1200 2400 4800 9600 718 1 2 lt hour gt lt minute gt lt second gt lt year gt lt month gt lt day gt Confirmed 0 0 32767 0 0 32767 0 0 32767 0 0 32767 0 0 32767 0 0 32767 0 0 32767 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation SCPI 1994 0 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 Con
12. 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table 4 9 Front Panel Status Messages 5V PS UV 5 2V power supply under voltage condition 2V PS UV 2V power supply under voltage condition 5V PS OC 5V power supply over current condition 5V PS OC 5 2V power supply over current condition 2V PS OC 2V power supply over current condition 24V PS OC 24V power supply over current condition 24V PS OC 24V power supply over current condition 12V PS OC 12V power supply over current condition 12V PS OC 12V power supply over current condition FAN X SPEED Fan X speed is out of tolerance X will be 1 2 or 3 AMB TEMP H Ambient Temperature is too high SLOT XX T Slot XX temperature rise is too high XX will be 1 to 12 Racal Instruments 1995 Using The Enhanced Monitoring System 4 33 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table 4 9 Front Panel Status Messages continued IACKX CNT Interrupt Acknowledge Line X count reached X will be 1 to
13. SENSE VXI BERR LIMIT 255 set BERR limit SENSE VXI IACKl1 LIMIT 128 set IACK1 limit SENSE VXI IACK2 LIMIT 233 set IACK2 limit SENSE VXI IACK3 L E set IACK3 limit SENSE VXI IACK4 LIMIT 2 set IACK4 limit SENSE VXI IACK5 LIMIT 3 set IACK5 limit SENSE VXI IACK6 L T 44 set IACK6 limit SENSE VXI IACK7 L T 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 IACK lines Each of the commands has an associated query which may be used to read the present limit for the BERR or IACK line For example the query SENSE VXI IACKS 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 IACK1 COUNT read IACK1 c
14. Therefore the SENSE TIME3 CLEAR command should be executed immediately after the filter is cleaned and mainframe power is turned on Change of Limit for To display a failure message after 100 days example of Filter Service power on time the following sequence may be performed A Locate DIP switch SW1 8 on the EMS board Move the Alarm Example 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 B Using the following SCPI commands SENSE TIME3 CLEAR 2 SENSE TIME3 RANGE UPPER 15 768E6 15 768E6 is an example representing 15768000 or 182 days A SAVO 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 more of the following conditions exist 1 24V Power Supply Voltage is out of tolerance Example 2 12V Power Supply Voltage is out of tolerance 3 12V Power Supply Current is out of tolerance 4 12V Power Supply Current is out of tolerance 5 VXI Slot 7 Temperature Rise is too high 6 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 STAT STAT QUES VOLT ENABLE
15. 1261B User Manual Table 3 4 J410 SMS Rear Panel Monitor KE Sec 5V 5 V for powering external user circuitry etc 1 A max 12V 12 V for powering external user circuitry etc 1 A max J410 3 24V 24 V for powering external user 18 circuitry etc 1 A max 18 Trax Output signal proportional to the 17 maximum absolute temperature of 16 the 13 modules 100 mV C 0 V 5 corresponds to 0 C 14 AT Output signal proportional to the 13 maximum absolute temperature rise 12 w respect to internal ambient 11 sensor of the 13 modules 100 d mV C 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 GND Logic Ground 11 27 29 37 RSV Reserved O O OO QO Oo OO O O O O 9 O 8 O 7 O 6 S 5 4 9 3 O 2 O O OO Oo O O O O O O O O O O O O O O O O Racal Instruments 1995 Operating The 1261B 3 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table 3 5 J412 EMS RS 232 Port rn zen pesenan S412 TXDA Transmit Data RXDA Received Data D sl 53 0000 000060 N w FE wm me fen Tose Table 3 6 J413 EMS TTL Trigger Connector DOERR 1 TRIG IN TL level input signal
16. 34 6 456271 COVER CARD GUIDE 21793 456271 9U 35 A R 610388 IGROMMET CATERPILLAR 040 THICK 03296 G51H A au 36 A R 921452 LOCTITE PRISM 411 CLR 05972 PRISM411 46 1 456583 STIFFENER CENTER CABLE TRAY 9U CH 121793 456583 SM SYSTEM MONITOR EM ENHANCED MONITOR 9 9 w 0 2 FSC SUPPLIER 7U 7U MAINFRAME 2 2 aa L L Laa LLL LLL EE 03296 NYLON MOULDING OTHER PARTS USED ON BOTH TEMPLE CITY CA 7U AND 9U MAINFRAMES 000 ee 05972 LOCTITE CORP HARTFORD CT 06915 RICHCO PLASTIC CO CHICAGO IL 21793 RACAL INSTRUMENTS INC IIRVINE CA 6T698 PLASTIGLIDE MFG CORP HAWTHORNE CA 78189 ILLINOIS TOOL WORKS INC SHAKEPROOF DIV ELGIN IL MEGAE MEGA ELECTRONICS INEW BRUNSWICK NJ Maintenance 7 22 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Chapter 8 PRODUCT SUPPORT Product Support Reshipment Instructions Racal Instruments 2003 Racal Instruments has a complete Service and Parts Department If you need technical assistance or should it be necessary to return your product for repair or calibration call 1 800 722 3262 If parts are required to repair the product at your facility call 1 949 859 8999 and ask for the Parts Department When sending your instrument in for repair complete the form in the back of this manual For
17. 7 BERR CNT Bus Error count reached SYSFAIL SYSFAIL line asserted 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 i The EMS includes an RS 232 interface which may be used to Programming The send commands and receive replies The RS 232 interface 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 Programming The The baud rate may be programmed using the command Baud Rate SYSTEM COMM SERIAL BAUD lt baud rate gt 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisan
18. 9 This query reads the value of the Status Byte Each bit of this STB Query 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 Always 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 0 a Request False interrupt is generated Not used Always returns 0 OP mman The OPC command will cause the Operation Complete bit of OPC Co and the Standard Event Status Register SESR to be set when the command is executed This is bit 0 of the SESR The value of the SESR may be read using the ESR query The OPC command has no par
19. J412 EMS RE EEN 3 12 Table 3 6 J413 EMS TTL Trigger Connector rrvrrrnnnrnnnnvrrrrnnnnnnnrrnnnnvrrrnnnnennrrrrnnnrrrrenenenerernnnnnn 3 12 Table 3 7 J414 EMS Rear Panel ENEE gesteet dee See EE EES e EEN 3 13 Table 3 8 J415 Rear Panel Monitor Control Conpnechor 3 14 Table 3 9 Power Supply Voltages at Jain 3 15 Table 4 1 Default Limit Settings After Power On R I 4 2 Table 4 2 Voltage Condition and Event Register Bit Assignments rrrrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 4 14 Table 4 3 Current Condition and Event Register Bit Assignments rrrrrnnnnnnnrnnnnnrrrrnnnnnnnrrrnnnnnr 4 14 Table 4 4 Temperature Condition and Event Register Bit Assignments sssssesseeeeeeeeeeeeeeeee 4 15 Table 4 5 Fan Speed Condition and Event Register Bit Assignments ssssesssseenneessserrrrree 4 15 Table 4 6 Time Condition and Event Register Bit Assignments ssssssssisseesseserrrrrnresssrrrrrrrn 4 16 Table 4 7 VXI Condition and Event Register Bit Assignment rrrrrrrnnnnrrrrnnnnnnnnrnnnnnrrrnnnnnnnennn 4 16 Table 4 8 Questionable Condition Register Bit Assignment murarrnnnnnrrrnnnnnnnnrnnnnnrrrrnnnnnnnrrrnnnnnn 4 19 Table 4 9 Front Panel Status Messages 4 33 Table 5 1 VXlbus Model 1261B EMS SCPI Commands List Gummanm 5 7 Table 5 2 Defaults Minima and Maxima eter eee e eee e eter eee eeeeeeeeeeeetetetetetetetenene 5 10 Table 7 1 Troubleshooting dereen 7 16 Artisan Technology Group Quali
20. 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 set most positive voltage monitor limit set most negative voltage monitor limit 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 may be specified but is ignored Query only Query only Query only Query only Query only Query only N 1to7 Query only Command only Query only Query only Query only Command only Query only Query only Reviser 6 14 00 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Parameter Form Default in Bold SCPI 1994 0 Notes Confirmed CONFigure Confirmed MONitor Not Confirmed TRIGger Not Confirmed INPut TTLTRGO TTLTRG1 TTLTRG2 TTLTRGS Not Confirmed TTLTRG4 TTLTRG5 TTLTRG6 TTLTRG7 NO
21. PPH 6 32 X 375 11833 616251 SCREW PPH SEMS ASSY 4 40x 250 78189 SEMS W SQ CONE WA 19 8 617103 WASHER FLAT LIGHT amp 6 10 8 618112 SCREW PPH 6 20 X Son TAPPING TYPE B 11 4 921054 RECESSED BUMPER 67698 101 BN 1026 1231 1407377 POWER SUPPLY ASSY 1261B 121793 407377 SM 13 1 405091 001 PCB ASSY DISPLAY STANDARD 21793 405091 001 EM 14 1 405091 002 PCB ASSY DISPLAY 21793 405091 002 SM 15 1 405092 PCB ASSY SYSTEM MONITOR 121793 405092 EM 16 1 405094 PCB ASSY ENHANCED MONITOR 21793 405094 1731 407375 FAN ASSY 1261B 21793 407375 7U 119 1 1456352 COVER TOP 21793 456352 7U 20 1 456353 COVER BOTTOM 21793 456353 SM 21 1 456376 001 OVERLAY FRONT PANEL LED 121793 456376 001 EM 12231 1456376 002 OVERLAY FRONT PANEL DISPLAY 21793 456376 002 23 1 1456382 CABLETRAY STANDARD W 9U CHASSIS 21793 456382 24 1 456383 COVER REAR 121793 456383 SUL 25 1 456384 BRACKET REAR COVER 21793 456384 26 1 456386 ENCLOSURE TOP EXTENSION 21793 456386 1127 9 616256 SCREW PPH SEMS ASSY 6 32X 375 78189 SEMS W SQ CONE WA 7U 28 3 615558 SCREW PFH 100 DEG CSK 6 32 X 375 TU 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 9U 32 4 615718 SCREW SLOTTED HEX 6 32 x 312 au 33 4 617128 IWASHER LOCK 6 LIGHT SERIES
22. 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com SMS Voltage Monitoring SMS Current Monitoring Enhanced System Monitor EMS Understanding The 1261B 6 6 1261B User Manual 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 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
23. 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual This page was left intentionally blank Using The Enhanced Monitoring System 4 50 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Chapter 5 SCPI COMMAND REFERENCE What s In This Chapter Introduction To SCPI Language Racal Instruments 1995 This chapter contains reference information for programming the Model 1261B Enhanced Monitoring System EMS Standard Commands For Programmable Instruments SCPI convention rules and
24. 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 VXI plug amp play receiver interconnection specification for interlocking receivers using interconnect adaptors secure the rack mount 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Racal Instruments 1995 10 11 12 13 14 assembly using bracket kit hardware Leave loose for final adjustment Install 10 32 retaining nuts Item 9 into rack bracket slots 8 places Measure distance c inches between rear o
25. ET TEE Seca E Plate installed paei aroma EES e i Ve d der me DEG pe Monitor Fail Indicator i H Patna E EH meS A EoD SE Estinguished within Bi Eda MEE SBE Hodes ar A i 5 seconds after power l artare graje mitan ot pet r on if self test passed d F EE EE Fan Speed Switch Maxi Variable J412 Monitor R 232 Communications Part 41413 External YXI TTL Trigger Input Output J414 Monitor Module Fan Filter Safety Chassis Grounding Screw Module Cooling Fan Assembly Figure 3 4 Rear View With Enhanced Monitor Racal Instruments 1995 Operating The 1261B 3 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Powering On The Mainframe Ensure AC Power is Connected Observe Status Indicators Set Power Switch Observe Power Uren Ingleating system AK ta On position Indicater is On Enhanced Monitor Option illuminated observe SYSTEM OK on display i OO d it d EE ie So i 4 ae 1 I bo PP Ste et A S ov bl a EEE f Figure 3 5 Powering On The Mainframe Operating The 1261B 3 6 Racal Instruments 1995
26. 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 XON XOFF The host controller RS 232 flow control must be set for Software or XON XOFF 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 1919 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 1719 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 flow 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
27. Grounding Screw Module Cooling Fan Assembly Operating The 1261B 3 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Front Panel When Equipped With Enhanced Monitoring System Power On Standby Switch Power On LED 1261B User Manual Enhanced Monitoring System reports Alpha Numeric messages to 1x 10 Character Display Ge gr k Mil b 8 L ei I SE i Le Si d in sl ch f 2 do R I A d OC me Ne ME Di Figure 3 3 Operating The 1261B 3 4 Artisan Technology Group Qu Front View With Enhanced Monitor Racal Instruments 1995 ality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Rear Panel When Equipped With Enhanced Monitoring System Power Supply See Rear Panel Switch and Connector Descriptions later in this chapter and Figure 3 4 for information on rear panel features Concealed Handles 1415 Monitor Control J400 AC Input Connecter F400 AC Fuse WW D E WE JE AC E E A KR Dante 5 4 AL AE 7G te IL e 3 3 EE e 3 2 3 f Enhanced Monitoring a A System EMS Module J41t Used with Powar Current Share Option Supply AA warmina shown with Blanking Fan Filter
28. If you wish to see characters on your terminal as you type them set your terminal for Local Echo Configuring The 1261B 2 19 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual p 1 If factory default RS 232 setting is d incompatible with your computer data terminal or modem perform the coi procedure described in Figure 2 12 Setting Enhanced Monitoring System RS 232 Configuration Switch The factory default setting is 1 1 Stop bit 8 data bits No Parity 9600 Baud and RS 232 enabled at power on MONITOR kel FAIL 118 i 2 Connect host computer to RS 232 port See Figure 2 14 RS 232 Cable Connections With a Computer Data RS 232 Port Terminal or Modem J412 J412 Pin Connections Received Data 2 Transmitted Data wu N YXI ADDR man a YAA FAM SPEED Request to Send Clear to Send Signal Ground Figure 2 13 Setting Up The Enhanced Monitoring System RS232 Interface Configuring The 1261B 2 20 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Controlling 1261B EMS with To use a P C to control the 1261B with EMS connect an RS 232 HyperTerminal Win 95 cable to J 412 of EMS module to the P C See figure 2 16 for cable configuration Run HyperTermin
29. OO S0o00 00600 TE 3 ses oS y ei 15 72 mer ol D BS e 1 2 i il a amp tt Le 24 Rack Receiver Door Mounting Surface Figure A 6 Side View of 1261B 9U Mainframe With Option 54 2 Installed Specification A 10 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table A 8 SMS Monitoring System Specifications Typical Auxiliary Rear Panel DC Voltage Outputs Voltage Current 5 V 1 Amp maximum Self Healing Fuse 12 V 1 Amp maximum Self Healing Fuse 1 Amp maximum Self Healing Maximum slot temperature Tmax Rear 100 mV per C 0 C corresponds to 0 V output Panel Output Voltage 1 5 C accuracy 5 to 85 C range Maximum slot Temperature Rise AT Rear 100 mV per C 0 C corresponds to 0 V output Panel Output Voltage 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 Front Panel LED bi color red green annunciator Health Status Readout green indicates supply within tolerance red indicates supply out of tolerance Tolerance limits V nominal 8 75 10 3 accurac VXI Power Supply Current Front Panel LED bi color red green annunciator Health Status Readout green indicates supply within tolerance red indicates
30. Power On Stand by Power On Temp LED Switch LED Airflow LEB eescht weal ee ES DER Ebes Figure 3 1 1261B Front View With Standard Monitor Operating The 1261B 3 2 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Rear Panel When Equipped With Standard Monitoring System Power Supply Fan Filter Module Fan Filter Power Supply J400 AC Input lo RE prih Pen En ETE ng BEEF des ENU EENEN Connector F400 AC Fuse f gt WS 2 CG I Se JW t E NE NESE mil IF 1 ae e Le 1 Gi i 0 wannina of pA DE RE opd Zel irh Hr SA o SYSTEM MONITOR Figure 3 2 1261B Rear View with Standard Monitor Racal Instruments 1995 See Rear Panel Switch and Connector Descriptions later in this Chapter for information on rear panel features Concealed Handles 4415 Monitor Contra JATT 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 Manitor Check Switch 4410 Monitor Standard Monitoring System SMS Module Safety Chassis
31. Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual NOTES A CONNECTION FROM 405095 J54 TO S100 ITEM 4 AS FOLLOWS 405095 J54 3 TO S100 405095 J54 5 TO S100 la A FOR OXIXX MODELS USE ITEM o BE S FOR OX2xX MODELS USE ITEM avy 3 A BEFORE INSTALLATION OF ITEM 3 OR SET JUMPER J14 ON ITEM OR ON COMPONENT SIDE AS FOLLOWS TO 2 3 POSITION FOR OX2XxX MODELS Zen UPPER RETATNER TO i 2 POSITION FOR OXIXX MODELS 70 AN PRINT BAR CODE IDENTIFICATION LABEL WITH DETAL B PERTINENT DATA USING BRADYCODE BAR CODE SOFTWARE AND AFFIX APPROXIMATELY WHERE SHOWN SOFTWARE PART NO 800522 Racal Instruments 1995 Maintenance 7 21 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 407374 01111 01122 1261B 7U CHASSIS WITH MONITOR 407374 01211 01212 1261B 9U CHASSIS WITH MONITOR Rev L REF RACAL INST DESIG P N DESCRIPTION FSC MANUFACTURER S P N Ee t s100 1602235 SWITCH ROCKER SNAP IN 21793 602235 IER 407378 ENCLOSURE ASSY 1261B 21793 407378 12 4 456341 FOOT REAR 21793 456341 3 1 456379 PANEL CONNECTOR FILLER 21793 456379 15 5 610873 WASHER FLAT 6 SS MS NA5620 C6L 16 2 611327 RIVET SNAP SR BLACK 118 157 06915 SR 3055BK 17 4 615059 SCREW
32. Rate Parity Data Bits Stop Bits Note that Status Registers Condition Registers Enable Registers and Event Registers are NOT affected by the RCL command Using The Enhanced Monitoring System 4 44 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual SAV Command TRG Command WAI Command Performing The Self Test Racal Instruments 1995 The SAV command will store the present instrument state into nonvolatile memory The SAV command may specify a nonvolatile memory location into which the instrument state is saved That is both of the following formats are accepted SAV SAV lt location gt If lt location gt is specified it must be in the range O to 9 If lt location gt is not specified the instrument state will be saved into nonvolatile memory location 1 Note that SAV 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 follo
33. SMS features include i 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 fully VXIbus 1 4 compliant message based interface alpha numeric display Monitor EMS individual VXIbus 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 VXIplug amp play drivers See disks at back of manual and driver installation in Chapter 2 Getting Started 1 8 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Rack Mount The 1261B is available with a wide variety of options for both rack a 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 Ki Door Tinted Plexiglass adds protection while allowing viewing of annunciators Figure 1 8 Rack Mount and Cable Tray Option Components The adjustable rack mou
34. 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 Racal Instruments 1995 Getting Started 1 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual This page was left intentionally blank Getting Started 1 12 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Chapter 2 CONFIGURING THE 1261B Using This Chapter AC Mains Power Site Considerations Racal Instruments 1995 This section includes procedures to install and configure the 1261B mainframe Use this chapter to Review installation site considerations Install VXI modules card guide covers or optional blanking plates Install the 1261B rack mount options and install the mainframe into an instrument rack Connect safety ground Re configure fan speed range HI LO setting Configure and connect to the optional Enhanced Monitoring System EMS module The 1261B AC input is both auto voltage and auto frequency ranging and requires no voltage switch selection When the standard 1261B is shipped it is configured for 120 VAC operation If Option 71 P N 407401 is ordered the 1261B is configured for 230 VAC operation Should it be necessary to replace the AC mains fuse
35. TRIG IN input may be connected to one of the TTLTRGx Connect g e lines TTLTRGO through TTLTRG7 The following commands TRIG IN Input To may be used to connect the TRIG IN input to one of the TTLTRG TTLTRG Line lines or to disconnect the input from all of the TTLTRG lines VXI CONF MONITOR TRIG INPUT TTLTRGO VXI CONF MONITOR TRIG INPUT TTLTRG1 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 Racal Instruments 1995 Using The Enhanced Monitoring System 4 25 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual The reply to this query will be one of the following TTLTO TTLT1 TTLT2 TTET3 TTLT4 TTLTS TTLT6 T
36. TTLTRIG lines or Real Panel Trigger Input 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 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 l SE State Monitor 1 if the line is high or a 0 if the line is low Note that since each of these lines is asserted when Front Panel User Message 80 Characters scrolled Racal Instruments 1995 Specification A 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual VXI Interface Capabilities VXIbus 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 Generation Software Protocols supported by SCPI Compliance 1994 0 VXI and RS 232 Interfaces IEEE 488 2 Specification A 14 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Appendix B ERROR MESSAGES Error Messages Racal Instruments 1995 In general whenever the EMS
37. UPPer UPPer LOWer LOWer ALARM ETIME DATE MODE 0 1 MODE VXI SYSFail ALARM ETIME DATE ACFail ALARM ETIME DATE IACK lt N gt COUNt LIMit 0 0 255 CLEar ALARM ETIME 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 SCPI 1994 0 Not Confirmed Not Confirmed Not Confirmed 1261B User Manual Notes Query only Query only Not Confirmed Meaningful range is 0 to 1024 Confirmed 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 Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed
38. Understanding The 1261B 6 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual e E 5 E S 3 he z CG 2j PE re 2 D Se a o E 5 ae 24 3 Fan Sa 252 S 2 Eg 2 Assembly ok GL 2 5 E Tu ES E re Les Loi L D e m Fr LA O 56 LA 5 amp s j v ow E P355 50 E OWE 2312 pas Jatb t 53 51 52 410 J355 Ju15 2400 Optional l System Monitor Enhanced Monitor Power Supply ee e 407377 P51 In 3102 P52 P1 P14 IS Backplane J55 J6 J4 J1 J2 J56 Ambien 154 150 405095 I Sensor Temperature Monitor 405093 oa es m EI un wo r p E 218181 9 812 21 0 3 21 5 35 3 oi Co A Ro Li w L i a vy Li e TA af 1 Power y Display Assembly Switch 405091 100 Figure 6 1 Functional Block Diagram For 1261B Chassis Understanding The 1261B 6 2 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Power Supply The seven VXIbus power supply outputs are protected for Protections 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 effective
39. 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 harmonic 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 Discharge ESD impairment of normal operation Immunity Fast Transients Common Mode Port Peak Voltage Tr Th Rep Frequency Signal amp Control 0 5 kV 5 50 ns 5 kHz DC Power 0 5kV 5 50ns 5 kHz mu Power 1 0kV 5 50 ns 5 kHz MTTR Power Supply Fans Filters and lt minutes EMS or SMS module Table A 6 Backplane Specification A 6 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Bus Grant Interrupt Solid state auto configuring jumper Acknowledge less VXIbus CLK10 Distribution Full differential Table A 7 Mechanical Overall Dimensions 7U Standard Mainframe Height 12 22 in 31 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 wi
40. and Side View of 1261B Bench Top Model With 7U and 9U Rack Mount Ears Specification A 8 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual F 19 00 j ze en 26483 Plug amp Play Spec 0P00000000 ooooonpgeoe 17 47 19 22 Standard Tray N 8 I ER pi I Option 21 1 75 10 Cable Tray i I Fs AE e EE i Option 22 3 50 2U Cable Tray gt f Figure A 4 Front View and Side View of 1261B Rack Mount Model With Rack Mount and Cable Tray Options Racal Instruments 1995 Specification A 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual E 20 50 _ Front Rack Mounting Rail _ Rear Rack Mounting Rail DS kits 24 Rack 6 00 Receiver Door Mounting Surface Te Ei i 4 EJ I 12 22 he f 15 72 1 amp i 231 Figure A 5 Side View of 1261B 7U Mainframe With Option 54 1 Installed el 8 20 50 6 00 Frant Rack Mounting Rail Rear Rack Mounting Rail E I dal e CC E eebe E EEE Zeiss el Ze ES Ke Ze ZS 3 TI ANH
41. and the Event Register is that the Event Register holds latched status Using The Enhanced Monitoring System 4 16 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Racal Instruments 1995 information while the Condition Register holds the present 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 Register 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 re
42. describe the various modes of operation and give examples on how to program the Model 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table 4 1 Default Limit Settings After Power On RST Power Supply Voltage Limits Power Supply PS 5V 5 2V 2V 24V 24V 12V 12V Power Supply Current Limit Power Supply PS 5V 5 2V 2V 24V 24V 12V 12V Fan Speed Limit Absolute Temperature Limit
43. 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 XXXX 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 TST command returns a value of 5 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 instrument state location MAY be corrupt This error may be returned if the TST command returns a value of 5 Using The Enhanced Monitoring System 4 48 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Racal Instruments 1995 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
44. 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Refer to Figure 2 8 and Table 2 2 and perform the following steps to install the rack mount door 1 Racal Instruments 1995 Install lower halves of the two hinges part of Item 2 to the rack mount ears with flat head screws Item 4 Install upper halves of hinges on the door with pan head screws Item 3 Install door stop Item 5 on opposite rack mount ear with self tapping screws Item 6 Align hole in door hinges with hinge pins on rack mount ears and mate together 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 13 Artisan Technology Group Quality Instrumentation Guaranteed 888
45. 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 1002 VXI bus error A VXIbus error has occurred when the EMS attempted to write data over the VXIbus 1003 VXI bus timeout 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 Racal Instruments for correction 1005 1999 Internal error xxx Error Messages B 4 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A rtisan Artisan Technology Group is your source for quality TecmologyGrap new and certified used pre owned equipment FAST SHIPPING AND SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT DELIVERY Experienced engineers and technicians on staff Sell your excess underutilized and idle used equipment TENS OF THOUSANDS OF at our full service in house repair center We also offer credit for buy backs and trade ins IN STOCK ITEMS www artisantg com WeBuyEquipment 7 EQUIPMENT DEMOS HUNDREDS OF Instra zer REMOTE INSPECTION LOOKING FOR MORE INFORMATION MANUFACTURERS Remotely inspect equipment before purchasing with Visit us on the web at www artisantg com 7 for more our interactive website at www instraview com information on price
46. 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 filtered 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 8
47. quotations drivers technical LEASING MONTHLY specifications manuals and documentation RENTALS ITAR CERTIFIED EE Contact us 888 88 SOURCE sales artisantg com www artisantg com
48. sent If only specific 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 VOLTI 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 D 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 0 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table 5 1 VXIbus Model 1261B EMS SCPI Commands List Summary SYSTem
49. separator and encountered an illegal character 104 Data type error 105 GET not allowed The parser encountered a parameter data type different than expected For example expected numeric received string BCS BCS BCS BCS RER EE Gene e ette Dosen ee Iessen DEER Doss e pronn eaen oe BCS BCS BCS BCS BCS 113 Undefined header Command header is syntactically correct but not recognized 114 Header suffix out of range 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 120 Numeric data error 121 Invalid character in number 123 Exponent too large 124 Too many digits 128 Numeric data not allowed 130 Suffix error 131 Invalid suffix 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 2 134 Suffix too long o The suffix contains more than 12 characters 138 Suffix not allowed A suffix was encountered after a numeric parameter value where no suffix is allowed e g SRE 255 MHZ 140 Character data error CME CME
50. 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 SCPI 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 VXIbus 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 is an ASCII 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 under 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 Braces Enclose parameters within a command string Triangle Brackets lt gt Substitute a value for the enclosed parameter Vertical Bar Separate multiple parameter SCPI Command Reference 5 1 Artisan Technolog
51. tests may also be initiated with an ASCII command over either the RS 232 or the VXIbus interface The command TST 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 0 The self test has passed 1 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 the EEPROM is possibly corrupt 3 One of the VXI mainframe sensors routed to the EMS s A D converter has failed The measured 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 Using The Enhanced Monitoring System 4 46 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 The real time clock has failed its self test Date and Time functions will not work properly Time stamps for a
52. 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 a 0 to a 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Vad 5V Voltage Status Vd 5 2V Voltage Status VXI 2V Voltage Status VXL 24V Voltage Status VIG 24V Voltage Status VA 12V Voltage Status VXL 12V Voltage Status Event Error Queue D 1 2 3 4 5 6 7 8 9 Summary of ollage Events 0 or Sg d Summary of VXI 5 2V Current Status 1 IEEE 488 2 VXI 2V Current Status 2 Current Events i Status Byte VXI 24V Current Status 3 5 VXI Z4V Current Status 4 6 VXI vi C
53. www artisantg com 1261B User Manual Table A 3 Cooling Per Slot Cooling Capacity Typically 80 W per slot 3 5 mm H20 with airflow directors Figure 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B
54. 10 32 x 50 615091 screw Phillips Panhead 10 32 x 75 615093 615093 screw Phillips Flathead 8 32 x 75 615577 615577 screw 610920 2 aa WM screw 2 2 E EE EE Quick Disconnect Slide 24 inch 456420 001 456420 002 meme me 0 msme gt Brk Slide Mtg Rear LH Note Complete Slide Kit is 407690 for 9U and 407690 001 for 7U size chassis 2 4 5 16 17 18 0 1 7 9 30 32 33 34 35 36 37 Racal Instruments 1995 Configuring The 1261B 2 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Installing The Slides Into The Rack Configuring The 1261B 2 8 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 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
55. 1B User Manual User Limits On EMS Monitored Parameters cccccccccccccccceeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeeeeeeess 6 9 Timestamps On EMS Monitored Events 6 9 EMS Rear Panel Fan Speed Monitor 6 9 EMS Fan Speed Contre E 6 9 EMS Fan Sped SWIG E 6 10 Chapter 7 IAIN ENEE egene eege 7 1 What s In This Chapter ccccccccccceeeeeeeeeeeeeeeaaaeeaeeeeeeeeeeeaaaeaaaeeeeeeeeeeeaaaaaaeeeeeeseeesaaenseeeeeeees 7 1 Service Strategy E 7 1 ele IEN 7 1 Preparation TE 7 1 Inspection and SS EE nnan n EnEn E Ennan nnan nananana annann n nnana annann nnnna 7 2 Interior CGeanngi uasussumesmnnsudianukinnenidde anita ENTERA KERERE ERRAR RA 7 2 Exterior CISONING ET 7 2 Cleaning The Power Supply Filter 7 3 Cleaning The Module Fan Eiter 7 4 Modular Component Removal and Replacement n nnnsnnnninineeeeeee eeen ne rennene nnen ennnen nennnnnnn nnne 7 5 TOOISREGUPE ANNEN 7 6 Removal and Replacement of The Module Fan Assembly sssssssssnenneesseeenrrrnrrssserrrrrrnreeset 7 6 Removal and Replacement of The Power Supply Aesembhy 7 8 Removal and Replacement of The System Monitor 7 11 Removal and Replacement of The AC Mains Euse 7 13 Removing and Replacing The Card Guides sssssnenseeenerrnrtessetrrtrnnttssrrnrtrnnnrsserrnnnnnneennet 7 14 Troubleshooting The 1261B Luuysasasmsasmnsunismuvdenuoelbbjteb edneetobdadgad 7 15 Chapter 8 PRODUCT SUPPORT E 8 1 Product SUPPO REE EE eats eee ed 8 1 Reshipment INStructions
56. 31 Cobham Road Wimborne Dorset BH21 7PF United Kingdom Tel 44 0 1202 872800 Fax 44 0 1202 870810 Via Milazzo 25 20092 Cinisello B Milan Italy Tel 39 0 2 6123 901 Fax 39 0 2 6129 3606 Technologie Park Friedrich Ebert Strasse 51429 Bergisch Gladbach Germany Tel 49 0 2204 844200 Fax 49 0 2204 844219 info racalinstruments com sales racalinstruments com helpdesk racalinstruments com http www racalinstruments com RAC AL PUBLICATION DATE October 28 2004 Copyright 1995 by Racal Instruments Inc Printed in the United States of America All rights reserved This book or parts there of may not be reproduced in any form without written permission of the publisher Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com THANK YOU FOR PURCHASING THIS RACAL INSTRUMENTS PRODUCT For this product or any other Racal Instruments product that incorporates software drivers you may access our web site to verify and or download the latest driver versions The web address for driver downloads is http www racalinstruments com downloads If you have any questions about software driver downloads or our privacy policy please contact us at info racalinstruments com WARRANTY STATEMENT All Racal Instruments Inc products are designed and manufactured to exacting standards and in full conformance to Racal s ISO 9000 2000 procedures For the specific terms of
57. 6 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 2000 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 lt X gt 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 0 125 years Filter service power on time limit 180 days SENSE VXI IACK lt X gt LIMIT 0 0 255 IACKn limit lt X gt 1 to 7 SENSE VXI BERR LIMIT 0 0 255 VXI Bus Error limit VXI CONF MON TRIG DELAY TIME 0 0 0 0 1048575968 75 Trigger Delay time SCPI Command Reference 5 10 nanoseconds resolution 31 25 nanosecond Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Device Specific The 1261B EMS conforms to the 1994 0 version of the SCPI standard Some of the commands used are not included in the Commands 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 com
58. 72 Enable 12V and 12V Power Supply Current QUES CURR ENABLE 96 Enable VXI Slot 7 Temperature Rise Racal Instruments 1995 Using The Enhanced Monitoring System 4 23 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual STAT QUES TEMP ENABLE 128 Enable Fan 2 Speed STAT QUES FREQ ENABLE 4 Enable all bits of the Questionable Enable Register STAT 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 2 If the Voltage Summary bit bit 0 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 3 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 4 If the Temperature Summary bit bit 4 is set it must be caused by VXI slot 7 temperature ri
59. 8 absolute TEMP24 RANG UPP Temperature of VXI slot 9 absolute TEMP25 RANG UPP Temperature of VXI slot 10 absolute TEMP26 RANG UPP Temperature of VXI slot 11 absolute TEMP27 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 MODE 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Programming The VXI Bus Error and IACKn Tolerance Limits Reading The VXI Bus Error and IACKn Counters Racal Instruments 1995 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 IACK3 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
60. 88 88 SOURCE www artisantg com 1261B User Manual Cooling The Power Supply Standard Monitoring System SMS Fan Speed Monitor SMS Fan Speed Control SMS Fan Speed Switch SMS Temperature Monitor Racal Instruments 1995 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 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 speed If the temperature rise across any module slot exceeds 10 C the fans operate at full speed
61. 88 SOURCE www artisantg com 1261B User Manual Figure 2 8 Installing Rack Door Table 2 2 Door Components De Configuring The 1261B 2 14 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual i Omit this procedure if you do not intend to operate the 1261B at nn in 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 a 16 AWG 1 3mm or larger wire to 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 2 Attach the opposite end of the wire to permanent earth ground using toothed washers or a toothed lug STATEN MOMITOR Chassis Safety Grounding Screw Figure 2 9 Connecting Safety Ground Racal Instruments 1995 Configuring The 1261B 2 15 Art
62. AS FREQ4 Each of the three fan speeds may be read individually The 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Measuring Elapse Time Reading The Present State of VXI Signals Racal Instruments 1995 d The 1261B EMS monitors three elapsed time attributes These are as follows e Power on Time The number of seconds since the power switch was switched from the OFF state to the ON state e 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 e 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 TIME3 CLEAR command was executed The following commands may be used to read the elapsed time attributes MEAS TIME1 read power on time MEAS TIME2 read cumulative power on time MEAS TIME3 read power on time since last
63. CME CME CME CME CME CME CME CME CME CME CME CME CME CME CME CME CME CME CME CME CME A character received as a command parameter is invalid Error Messages B 2 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 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 Illegal 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 encounter
64. EMP ENAB STAT QUES TIME ENAB STAT QUES FREQ ENAB STAT QUES VXI ENAB 127 31 7 15 15 255 Voltage Enable Current Enable Temperature Enable Elapsed Time Enable Fan Speed Enable VXI Enable Each of the monitored attributes have an Event Register and an Enable Register ANDed together For each attribute the registers are logically 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 Not Assigned always 0 Not Assigned always 0 VXI Event AND Enable bit or bits set 5 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Using The Enhanced Monitoring System 4 19 Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 Event Registers and Enable Registers associated with each of the attributes The Questionable Event Register contains
65. F400 refer to Chapter 7 Removal and Replacement of The AC Mains Fuse 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 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 mainframe respectively Determine how you will use your Configuring The 1261B 2 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 1261B bench or rack mount and follow the appropriate installation instructions In Ilina VXI Install C size modules directly into the mainframe by first placing sta g the module s card edges into the front module guides top and Modules 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 i In order to improve cooling of used s
66. Filter Service 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 may 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 TIME3 CLEAR command is followed immediately by a Using The Enhanced Monitoring System 4 22 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual MEAS TIME3 command the MEAS TIME3 command will return a value of 0
67. Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual REPAIR AND CALIBRATION REQUEST FORM To allow us to better understand your repair requests we suggest you use the following outline when calling and include a copy with your instrument to be sent to the Racal Instruments Repair Facility Model Serial No Date Company Name Purchase Order Billing Address City State Province Zip Postal Code Country Shipping Address City State Province Zip Postal Code Country Technical Contact Phone Number _ Purchasing Contact Phone Number __ 1 Describe in detail the problem and symptoms you are having Please include all set up details such as input output levels frequencies waveform details etc 2 If problem is occurring when unit is in remote please list the program strings used and the controller type 3 Please give any additional information you feel would be beneficial in facilitating a faster repair time e modifications etc 4 Is calibration data required Yes No please circle one Call before shipping Ship instruments to nearest support office Note We do not accept listed on back collect shipments Racal Instruments 2003 Product Support 8 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Appendix A SPECIFICATION Specifications This chapter contains the complete specif
68. Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual T ina the DFI A piezo electric alarm can be connected in the following manner esi g the Connect J413 2 to the minus terminal of the alarm TRIG OUT Operation 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 will Switch to low turning on the Alarm Change the 5VDC limit back to the default value of 5 25 Programming a A delay time may be added between Trigger Delay Time 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 lt delay time gt where lt 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 i
69. ME 5 2V PS current alarm CURR3 ALARM TIME 2V PS current alarm CURR4 ALARM TIME 24V PS current alarm CURRS 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 FREQ2 ALARM TIME fan 1 alarm FREQ3 ALARM TIME fan 2 alarm FREQ4 ALARM TIME fan 3 alarm TIME1 ALARM TIME power on time alarm TIME2 ALARM TIME cumulative power on time TIME3 ALARM TIME filter service time alarm TEMP1 ALARM TIME slot 0 temp rise alarm TEMP2 ALARM TIME slot 1 temp rise alarm TEMP3 ALARM TIME slot 2 temp rise alarm TEMP4 ALARM TIME slot 3 temp rise alarm TEMP5 ALARM TIME slot 4 temp rise alarm TEMP6 ALARM TIME slot 5 temp rise alarm TEMP7 ALARM TIME slot 6 temp rise alarm TEMP8 ALARM TIME slot 7 temp rise alarm TEMP9 ALARM TIME slot 8 temp rise alarm TEMP10 ALARM TIME slot 9 temp rise alarm TEMP11 ALARM TIME slot 10 temp rise alarm TEMP12 ALARM TIME slot 11 temp rise alarm TEMP13 ALARM TIME slot 12 temp rise alarm TEMP14 ALARM TIME ambient temperature alarm VXI SYSFAIL ALARM TIME VXI SYSFAIL alarm Using The Enhanced Monitoring System 4 38 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual
70. MS module is a statically configurable SC device as S described in VXIbus Specification 1 4 Sections C 2 1 1 1 and F 1 Monitor VXI When the 1261B is shipped with the EMS the VXI Logical Logical Address Address is set to address 13 decimal Refer to Figure 2 11 to Switch change the logical address of the EMS module 1 il EMS Rear Panel Examples 1 Oo T TF E E CW aen WW om om ei om CZ WI WI aS x CS Wi WI DA ml Address Address Address 128 Decimal 2 Decimal 15 Decimal Figure 2 11 Setting The Enhanced Monitor VXI Logical Address Racal Instruments 1995 Configuring The 1261B 2 17 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Omit this procedure if your mainframe is not equipped with the Enhanced Enhanced Monitoring System EMS Monitor Configuration NOTE Switch 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 System Monitoring EMS module Possible damage to the module could result 1 Remove the EMS module See Removal and Replacement in Chapter 7 Position 1 enables changes 2 Configure SW1 located on the pe component side of the EMS module 3 Replace the EMS module See Removal and Replaceme
71. Mount 9U Tall Mainframe Racal Instruments 1995 Getting Started 1 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual The 1261B highly modular design is virtually wireless with low Modular i MTTR and high MTBF Mainframe Design ee eg Blind Mate Pluggable nn Power Supply Pluggable r a ee GEE Monitoring System Standard SMS or Enhanced EMS 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 2000 Watts Figure 1 4 depicts the 1261B high power plug in power supply 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 Racal Instruments 1995 Getting Started 1 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual i i The 1261B uses forced air positive pressure cooling to direct air to High Capacity the VXI modules Positive Pressure Cooling System Figure 1 5 details the bench
72. NE OUTput TTLTRGO TTLTRG1 TTLTRG2 TTLTRG3 Not Confirmed TTLTRG4 TTLTRG5 TTLTRG6 TTLTRG7 NONE INPut DELay Not Confirmed TIME 0 0 1 04857596875 Not Confirmed STATe INPut OUTput OFF Not Confirmed ay WINDow Confirmed TEXT Confirmed CLEar Confirmed DATA lt string data gt Confirmed enclose lt string data gt in quotes STATe OFF ON 0 1 Confirmed ommon Commands Parameter Form Default Min Max IEEE 488 2 Notes Confirmed 0 0 255 Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed 0 1 2 3 4 5 6 7 8 9 Confirmed Confirmed 0 1 2 3 4 5 6 7 8 9 Confirmed 0 0 255 Confirmed Confirmed Confirmed Confirmed command has no effect Confirmed Confirmed command has no effect The limits and default values depend upon which power supply is being measured Consult Table 5 2 Although these MEASure commands are identified in 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 Racal Instruments 1995 SCPI Command Reference 5 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual The parameter limits for the numeric commands are shown in mman Co and Table 5 2 Parameter Limits Table 5 2 Defaults Minima and Maxima Command Def
73. PP 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 lt temperature gt TEMP26 RANG UPP lt temperature gt TEMP27 RANG UPP lt temperature gt lt temperature gt range Temperature of VXI slot 10 relative Temperature of VXI slot 11 relative 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 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 lt N gt following the TEMPerature indica
74. TLT7 NONE The Default state for this command is NONE i The TRIG OUT output may be connected to one of the Connecting The TTLTRGx lines TTLTRGO through TTLTRG7 The following TRIG OUT Output commands may be used to connect the TRIG OUT output to one To a TTLTRG Line of the TTLTRG lines or to disconnect the input from all of the TTLTRG lines VXI CONF MONITOR TRIG OUTPUT TTLTRGO VXI CONF MONITOR TRIG OUTPUT TTLTRG1 VXI CONF MONITOR TRIG OUTPUT TTLTRG2 VXI CONF MONITOR TRIG OUTPUT TTLTRG3 VXI CONF MONITOR TRIG OUTPUT TTLTRG4 VXI CONF MONITOR TRIG OUTPUT TTLTRG5 VXI CONF MONITOR TRIG OUTPUT TTLTRG6 VXI CONF MONITOR TRIG OUTPUT TTLTRG7 VXI CONF MONITOR TRIG OUTPUT NONE VXI CONF MONITOR TRIG OUTPUT INPUT VXI CONF MONITOR TRIG OUTPUT DFI 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 Using The Enhanced Monitoring System 4 26 Racal Instrumen
75. Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 Tools Required Removal and 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 Replacement of The Module Fan 1 On rackmount 9U mainframes only loosen fan cover thumbscrews lower cover and disengage from housing Assembly 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 2 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 3 Loosen the four captive thumbscrews which secure the module fan assembly to the mainframe 4 Ensure that all four thumbscrews are disengaged from the mainframe Grasp the module fan assembly by the bottom right and top left floating thumbscrew 5 Remove the module fan assembly by pulling gently toward the rear of the mainframe whil
76. 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 VXIbus 1 4 compliant message based interface alpha numeric display individual VXIbus 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual VXI BUS EXT TRG OUT EXT TRG IN Sensors Fan MUX Select 2 Poe VAI Current MUX Select 3 VXI Voltage MUX Select TTLTRG Out TTLTRG Trigger Control e Temperature MUX Select 5 Monitoring Circuitry 5 2V REF AMBIENT TEMP Bac VXI SLOT TEMP el _ MXIVOLTAGE ig OJ 2 VXI CURRENT a FAN SPEED gl al 24V SWITCHED l OVER TEMP zsa D IEN wel OVER LOAD f Bai AC FAIL DW SYSFAIL el VXI MONITOR AS FPGA J FI E BERR ra I DCK JACKT Gogh FPGA Data VXI AS C VXI Data Status amp Events Trigger Routing Trigger D
77. The number is rounded to the nearest 1 degree Celsius Using The Enhanced Monitoring System 4 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Measuring VXI Slot Each VXI slot temperature may be read individually The Temperature temperature MEAS TEMP1 MEAS TEMP2 MEAS TEMP3 IEAS TEMP4 MEAS TEMP5 MEAS TEMP6 IEAS TEMP7 MEAS TEMP8 MEAS TEMP 9 MEAS TEMP10 MEAS TEMP11 IEAS TEMP12 MEAS TEMP13 following commands may be used to read the specified VXI slot 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 TEMP14 Measuring Fan Speed M MI MI MI EAS FREQL FAS FREQ2 FAS FREQ3 EF
78. Tolerance Limits worrrnnrrrrrnnnnnnnvrnnnnrrrrnnnnnnnrrrnnnnnr 4 7 Programming The Fan Speed Tolerance Limite 4 8 Programming The Ambient Temperature Tolerance Lime 4 8 Programming The VXI Slot Temperature Tolerance Limits rrrrrrrnrnnnnnvrrrnnnnnnnnnnnnnrrrrrnnnnnnnnnn 4 9 Programming The VXI Bus Error and IACKn Tolerance Lime 4 11 Reading The VXI Bus Error and IACKn Counters eine 4 11 Clearing The VXI Bus Error and IACKn CGounters 4 12 Generating an Interrupt When an Alarm Condition is Detected rrrrrrrrrrnnnrrrrrnnnnnnvrrnnnvrrrnnnn 4 12 Clearing The Filter Service Alarm 4 22 Change of Limit for Filter Service Alarm Example rrrrsrnnnnnnrrrnnnnnnnnnnnnnnrrrnnnnnnnnnrnnnnrrrrnnnenennnr 4 23 Interrupt Generation Example besseren deieren gege degen Oderen GE 4 23 Programming The Trigger Gubsvstem teeter eeeeeeeaaeeeeeeeeeseeneeeteeeeeeees 4 25 Connecting The TRIG IN Input ToafTTbRGUme 4 25 Connecting The TRIG OUT Output To a TTLTRG Line snnrrrrennnnnnvnnnnnnrrrnnnnnnnnrrnnnrrrrnnnnnsrnnr 4 26 Discrete Fault IMOne EE 4 27 Programming the Discrete Fault Indicator ccceceeecceeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeenees 4 27 Testing the DFI Operation EE 4 28 Programming a Trigger Delay Time ciiscsicctecsiccsteiaveceuted vecateiavstaunetacedauetbiede vs tasedeusteseiaeedadenenstexe 4 28 Selecting The Trigger Delay Applcation 4 29 Programming The Front Panel Display 0 0 c0ccce
79. URCE www artisantg com 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 KN Tighten F400 J400 AC Mains Input AC Mains Fuse Bar rd EEN CR SR Se E Figure 7 9 Removing and Replacing The AC Mains Fuse Racal Instruments 1995 Maintenance 7 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 A 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 Racal Instruments 1995 Artisan Technology Group Qualit
80. User Manual VXI 8 Rev 2 0 Fixture Rev 1 9 Fan filters installed Standard Modules Installed H20 mm 2 5 27 VXI 8 Standard Module Curve o7 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 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 UL3111 1 IEC 1010 1 and CAN CSA 22 2 No 1010 1 IEC Characteristics Installation Category II Pollution Degree 2 Safety Class 1 Racal Instruments 1995 Specification A 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 Ill 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 gras total from 5 Hz to 500 Hz Non operating 2 28 grus 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 III Class 5 Operating and Non Operating User Bench Handling Operating Each edge lifted four inches and
81. age lt N gt 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 MEASure VOLTage3 read 2V Power Supply EASure VOLTage4 read 24V Power Supply EASure VOLTage5 read 24V Power Supply MEASure VOLTage6 read 12V Power Supply MEASure VOLTage7 read 12V Power Supply SCPI Command Reference 5 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com The MIN MAX and DEF Parameters Querying Parameter Setting SCPI Command Reference 5 4 1261B User Manual 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 DEF sets the upper voltage range for the 2V power supply monitor to its default power on value The MINimum MAXimum and DEFault
82. akdown 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Li SENSITIVE ELECTRONIC DEVICES DO NOT SHIP OR STORENEAR Inspection and Cleaning Interior Cleaning Exterior Cleaning Maintenance 7 2 1261B User Manual 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 transit 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 documentatio
83. al 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 Qff OK Settings Emulation Autodetect or VT100 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 Racal Instruments 1995 Configuring The 1261B 2 21 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 9 Pin D Sub 9 Pin D Sub Connector Connector Male Malel i 9 Pin RS 232 Cable Connect to 12618 Connect to Computer or DTE Cable Connections Pin 3 RXD ______ _ __ _ ees Pin 3 TXD Pin 2 TXD Pin 2 RXD Pin 5 SIGNAL GND Pin 5 SIGNAL GND Note This Figure applies ONLY when connecting 12618 to Data Terminal equipment such as a Computer or DTE Figure 2 14 RS 232 Connections With a Computer Data Terminal or Modem Configuring The 1261B 2 22 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Installing The VXIplug amp play Software Racal Instruments 1995 After the EMS has been installed into the 1261B mainframe the VXIplu
84. ameters The only valid syntax for this command is OPC Racal Instruments 1995 Using The Enhanced Monitoring System 4 43 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual OPC Query The OPC 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 RCL Command The RCL command will recall the instrument state from nonvolatile memory The RCL 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 0 to 9 If lt location gt is not specified it will default to 1 The RCL 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
85. ar IACK7 counter 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 i The previous paragraphs have described how to program neratin n Generat ga tolerance limits When one of the attributes monitored by the Interrupt When an ews exceeds its tolerance limits an alarm condition exists The Alarm Condition is following paragraphs describe how to program the EMS to generate an interrupt when it detects an alarm condition Detected 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 At the highest level a separate condition event and enable register is maintained for each of the following attributes Using The Enhanced Monitoring System 4 12 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 Regi
86. ar Panel Switch and Connector Descriptions rrrrrrnnrnronnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 3 10 Basic Functional Check 3 15 Chapter 4 Using The Enhanced Monitoring System snvrrrrnnnnnnnvonnnnnrrrnnnnnnnnrrnnnnnrrrnnnenennrrrnnnrnrrrnneeesnrnnnnnnnn 4 1 OVE EN ee 4 1 Power On Reset Defaults nnnnnnnnnnnnrtthr11ttttt1t11t1111t11111111111111t11tAAAtAAAAEEEEEEAEEEEEEEEEEEEEEEEEEEEEEEn 4 1 What To Be Bit e EE 4 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Measuring Power Supply Voltages c ccc cccsceeteeseceeeeeenensnteeesaeeeeensaeneeeeseenenensaentesnsaeneeeneasneree 4 3 Measuring Power Supply Currents uurrrrrnnnvrrrrnnnnnnnnnnnnnnrrrnnnnnnnnrrnnnnrrnnnnnnenrrnnnnnrrnnnneessnrrnnnnnnn 4 3 Measuring Ambient Temperature s s s eeen eee EEEE EEEE EEEE AER eege ege Set 4 3 Measuring VXI Slot Temperature ceceee cee eeeeneeee eee eee eee eeeaeeeeeeeeeeeeeeceaaeeeeeeeeeeeeeeeeecensaeeeeeeees 4 4 Measuring Fan Speed MET 4 4 Measuring Elapsed WR E 4 5 Reading The Present State of VXI Gonals AA 4 5 Monitoring The VXI Subsystem ss icicissstaivcstedagteseisiniesecesneessuaseiatndenndateietaiedauaseciadenniateuasedeihietesate 4 6 Programming The Tolerance ie TC 4 6 Programming The Power Supply Voltage Tolerance Limits xrrrnnnrrrnnnnnnnnrnnnnnrrrrnnnnnnnrrrnnnnnn 4 7 Programming The Power Supply Current
87. ate 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 screws in each bracket Item 17 Configuring The 1261B 2 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual The slides are now positioned to accept the mainframe Rear View of Rack 4 Slotted Flange of Rear Rack Bracket Filler Plate Not Supplied E 1 3 4 T74 Holes 16 13 16 in Plate 41 16 0 Between Slides h 4t 18 5 16 Rear Mounting Rail of Rack Figure 2 6 Rear End Slide Mount Rack Dimension Intermediate Rail Instrument Chassis Rai Locking Button Depress and Slide Instrument Chassis Rail over Button when removing Figure 2 7 Instrument Rail Removal Configuring The 1261B 2 10 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 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 sli
88. ature and outputs a voltage proportional to the maximum slot temperature at the rear panel monitor connector J414 e Provides an 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 A TTL pulse train at the speed RPM of each fan is output to the EMS rear panel Monitor Connector J414 The fans output two pulses per revolution 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 40 C the module fans operate at full speed If the temperature rise of any module slot exceeds 10 C the module fans operate at full speed Understanding The 1261B 6 9 Artisan Technology Gro
89. ault Minimum Maximum Notes SENSE VOLT1 RANGE UPPER 5 4 5 0 40 0 5V PS voltage upper tolerance SENSE VOLT1 RANGE LOWER 4 6 0 0 5 0 5V PS voltage lower tolerance SENSE VOLT2 RANGE UPPER 4 8 5 2 0 0 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 2 0 2V PS voltage lower tolerance SENSE VOLT4 RANGE UPPER 25 9 24 0 100 0 24V PS voltage upper tolerance SENSE VOLT4 RANGE LOWER 22 1 0 0 24 0 24V PS voltage lower tolerance SENSE VOLT5 RANGE UPPER 22 1 24 0 0 0 24V PS voltage upper tolerance SENSE VOLT5 RANGE LOWER 25 9 100 0 24 0 24V 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 0 0 12V PS voltage upper tolerance SENSE VOLT7 RANGE LOWER 12 9 100 0 12 0 12V 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 2V 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 24V 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 1
90. cation The bit assignments are as follows DD Operation Complete This bit is set when the OPC command is sent and has been executed Bit1 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 specification Bit3 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 Bit5 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 O to 255 Using The Enhanced Monitoring System 4 41 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com SRE Command SRE Query Using The Enhanced Monitoring System 4 42 1261B User Manual 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 Byt
91. chuu BE 4 44 G 1 E 4 45 TRG COMMANA skisis E AE A E A E 4 45 WAL SEAN resa edueveuundensutuusdeni ve vidnue 4 45 Performing The Self Test scaieeccissedesicsetcasusasy cosucendver suave dauedonivarauavadadiientvaracevadesgaaneconndatederesandaets 4 45 Chapter 5 E eet IR e 5 1 What sl This gn E 5 1 Introduction To SCPI Language EE 5 1 Command Keyword Long Form and Short Form uasrsnnnvvrrrnnnnnnnvrnnnnvrrrnnnnnnnnrrnnnnrrrrnenenesnrrrnnnnnn 5 2 Case SES eege erageet dg deene Eeer ege ueree 5 2 Optional KeyWords La veuimssmnermennauevvnidk eenieljinkukimain rdnnaie 5 3 Multiple Identical Capabilities and Keyword Suffixes rrrrrrrrrrrrrrervrrrrrrrrrerererrrrrrrererererererererenr 5 3 iv Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual The MIN MAX and DEF Parameters rmrannruneranernnnrnnernnernnernnernnernnernnernnernnernnnvnnernnnvnnevnnennnennr 5 4 Querying Parameter Setting uk 5 4 Query Response FONNGl EE 5 5 SCPI Command RECH TEE 5 5 IEEE STD 488 2 Common Commande AAA 5 5 SCPI Parameter Type 0 euteetkrergeeueg SE EENS gdenscaskeuatuuay uaandeaciecavaueyydaseeeseeetsuasyuasdeasieattuans 5 5 Numeric Parameters cccccccccceeeeeeeeeeeeeeeeeeaaeaaaaeeeeeeeeeeaaeaaaaeeeeeeeeesaaeaaaaeeeeeseeseaaensaeeeeeeeseaaaa 5 6 Discrete Harameiers ttt reAAEEEErEEEOOAAEEEEEEEEEOOREEEEEEEEEOOAEEEEEEEEEOEEEEE EEEE 5 6 Boolean Parameter 5 6 SCPI Co
92. com 1261B User Manual Optional Keywords Multiple Identical Capabilities and Keyword Suffixes Racal Instruments 1995 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 ON 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 nearly 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 VOLT
93. d 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 Racal Instruments 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 handbook and any other instructions provided by Seller Racal Instruments 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 Racal Instruments product could create a situation where personal injury or death could occur Should Buyer purchase Racal Instruments product for such unintended application Buyer shall indemnify and hold Racal Instruments 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com FOR YOUR SAFETY Before undertaking any troubleshooting maintenance or exploratory procedure read carefully the WARNINGS and CAUTION notices A TION SENSITIVE ELECTRONIC DEVICES D AR CAUTION This e
94. des Racal Instruments 1995 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 3 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 side 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 th
95. ds 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 2 4 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 Table 4 5 Fan Speed Condition and Event Register Bit Assignments Fan 1 2 or 8 is out of tolerance Fan 1 is out of tolerance Fan 2 is out of tolerance Fan 3 is out of tolerance Racal Instruments 1995 Using The Enhanced Monitoring System 4 15 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table 4 6 Time Condition and Event Register Bit Assignments Present Power On Time exceeds limit Cumulative Power On Time exceeds limit 2 Filter Service Time exceeds limit VXI Bus Error BERR Count exceeds limit VXI SYSFAIL is asserted VXI ACFAIL is asserted 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
96. e respectively Maintenance 7 15 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 on rear panel of power supply is active Blown AC Mains Fuse Power supply protections are active causing the supply to be 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 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 Re
97. e 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 STB 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 command 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual
98. e gripping the assembly by the two thumbscrews 6 To reinstall the module fan assembly first align the assembly with the rear of the mainframe 7 Insert the fan assembly by gently pushing it forward into the mainframe making sure the electrical connector is properly mated 8 Tighten the four thumbscrews securing the module fan assembly 9 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 10 Tighten the captive thumbscrew to secure the fan filter frame 11 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 Maintenance 7 6 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual d Socket Head S Screws D Ir 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 Racal Instruments 1995 Fan Cover Thumbserews 2 Fan Cover Only used on SU Rack Mount Version Maintenance 7 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manua
99. e 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 If binding occurs slide bracket to rack rail mounting screw should be loosened and re adjusted to relieve binding Configuring The 1261B 2 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 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 Configuring The 1261B 2 12 1261B User Manual 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 each 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
100. e may be read using the query SYSTEM DATE The EMS will reply to this query using the format lt year gt lt month gt lt day gt Using The Enhanced Monitoring System 4 37 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Reading Event Each alarm condition has an associated time stamp This time stamp tracks the most recent occurrence of the out of tolerance Time Stamps 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 lt attribute gt ALARM TIME read the time of the event lt attribute gt ALARM DATE read the date of the event Where lt attribute gt is replaced by a keyword which indicates which attribute s out of tolerance time stamp is to be read The valid queries are VOLT1 ALARM TIME 5V PS voltage alarm VOLT2 ALARM TIME 5 2V PS voltage alarm VOLT3 ALARM TIME 2V PS voltage alarm VOLTA 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 TI
101. ector Pin soa JI Desepion a 24VMON Vxbus Voltage MonitorOutput 2 fem Lme and Ooy SyS 3 2vmon Vxlbus Voltage Monitor Outputs 4 fem dJloseGroumd oS SyS s ramon Power Supply Current Monitor Output e 12IMON Power Supply Current Monitor Output 7 2mon PowerSupply Current Monitor Output e 52VMON Vxbus Voltage MontorOutpt 9 rsv feed O O o o 10 5STANDBY VXbus 5v Standby input m 5vMON VXibus Voltage Monitor Opt a2 AGFAIL VxIbus AGFAIL Input or Monitor Output see note 13 rsv Reeva CS 14 em Lead O OoOO OSOS 15 2 VMON Vxibus Voltage Monitor Output 16 24VMON vxtbus Voltage Monitor Output as 121MON Power Supply Current Monitor Output 19 24MON Power Supply Current Monitor Output 20 5 2IMON Power Supply Current Monitor Output 21 smon Power Supply Current Monitor Output 22 5 STANDBY VXbus 5V Standby input 23 RINHIBIT Power Supply Remote Inhibit Input 25 SYSRESET VXIbus SYSRESET Input or Monitor Output see note Note Refer to VXIbus and VMEbus specifications for details on using the ACFAIL and SYSRESET signals If you use these signals do not violate VXIbus or VMEbus electrical specification 13121110 9 8 7 6 5 4 3 2 1 oOoooco0c00o0 0000 0 DOoOoooOoOoOo 00 00 25 24 23 22 21 20 19 18 17 16 15 14 Operating The 1261B 3 14 Racal Instruments 1995 Artisan Technology Group Quality Instrumentatio
102. ed 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Error Messages B 3 Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 311 Memory error The EMS s memory is corrupted Save recall memory lost The SAV or RCL command ha
103. elay RS 232 Porl UART Microcontroller 8 channel MUX A D SPI External Keyboard amp Terminal Replies amp Ala MS ee MAX AT VOLTAGE Lem MAX AT DATA AT DAC MAX TEMP MAX VOLTAGE TEMP DAC Time amp Date pe die Real Time Clock EEPROM serial Instrument States Alarm Timestamp 10 Char Dot LED SystemStatus Di sp ay User Message Figure 6 2 Enhanced Monitoring System Module Block Diagram Racal Instruments 1995 Understanding The 1261B 6 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com EMS Module System Interconnection EMS Module General Capabilities Understanding The 1261B 6 8 1261B User Manual The Enhanced Monitoring System module plugs directly into the slot 0 location on the rear of the 1261B backplane replacing the SMS monitor 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 Interr
104. em EMS module Refer to Figures 7 7 and 7 8 while following the steps below 1400 AC input Captive Thumb Screws Di Handles 2 s E g kee Figure 7 7 Monitor System Module Rear View Racal Instruments 1995 WARNING Ensure that J400 AC Input is disconnected before removing or replacing the System Monitoring SMS or EMS module 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 Maintenance 7 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SO
105. er 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 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 accurac Rear Panel Trigger Input TTL level Input 6VDC 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
106. f rack mount ear and front of the mainframe Measure distance r 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 c 1 7 8 r Note d may be a 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 screw ltem 17 Place the front slide bracket firmly against the mounting rail before seating 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 2 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 pl
107. firmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed SCPI Command Reference 5 7 Notes 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 Guaranteed 888 88 SOURCE www artisantg com VXI EVENt CONDition ENABIe SENSe VOLTage lt N gt DC RANGe UPPer LOWer ALARM ETIME DATE CURRent lt N gt RANGe UPPer LOWer ALARM ETIME DATE TIME lt N gt RANGe RANGe
108. form 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 C Use a 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 C 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 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com
109. g amp play 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 MTTR and high MTBF See Figure 1 3 Getting Started 1 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 The 1261B Bench Top is a high performance VXI mainframe that Bench Top Model is only 7U 12 220 inches tall 7U Footprint 12 220 Figure 1 1 1261B Bench Top 7U Tall Mainframe Getting Started 1 2 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual The 1261B Rack Mount mainframe is designed to the VXIplug amp play VXIplug amp play 9U tall 15 720 inches footprint Rack Mount Model 9U Footprint Figure 1 2 1261B Rack
110. g amp play software may be used to communicate with the EMS To install the 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 the 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 the MXI VXI 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
111. gister The remaining condition registers may be read with the following queries STAT QUES CURR COND Current Condition STAT QUES TEMP COND Temperature Condition STAT QUES FREQ COND Fan Condition Racal Instruments 1995 Using The Enhanced Monitoring System 4 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual STAT QUES TIME COND Elapsed Time Condition STAT QUES VXI COND VXI BERR IACK 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 0 5V Power Supply Voltage out of tolerance 5 2V Power Supply Voltage out of tolerance 2V Power Supply Voltage out of tolerance BEER Table 4 3 Current Condition and Event Register Bit Assignments 2 2V Power Supply Current out of tolerance gt a0 Pome ico ee acre ren att rn Hav Rome icone oe Using The Enhanced Monitoring System 4 14 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 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 excee
112. hat is if we go from 9600 baud 1 stop bit even parity 7 data bits Using The Enhanced Monitoring System 4 36 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Setting The System Time and Date Racal Instruments 1995 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 day 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 dat
113. ications for the 1261B Mainframe Table A 1 AC Input Specifications Characteristic Input Input Voltage Range Range 90 90 Vrms to 250 Vews to 250 Vous Ee Frequency Range Ea E Hz to 440 Hz 120 V operation 45 Hz to 66 Hz 230 V operation Power Consumption 1440 W line power maximum Fuse Rating 90 V 250 V Operation 0 25 in x 1 25 in Slow Blow 15 A 250 V 207 V 250 V 5 mm x 20 mm Slow Blow 10 A Operation 250 V Se Current eo A maximum cold start or after ee minute EE down 8 A maximum at 207 Mous 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 Protections Input Current Limit Input Current Limit 15 A E Factor Correction Se entire input voltage range 45 Hz to 66 Hz Racal Instruments 1995 Specification A 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table A 2 DC Output Power Maximum Power Usable 1100 W 0 C to 45 C To Chassis 180 V 250 V derate 10W C above 45 C 1000 W 0 C to 55 C 100 V 250 V 900 W 0 C to 55 C 90 V 100 V Usable power available to 925 W 0 to 55 C slots 0 12 230 VAC 975 W 0 to 50 C 1025 W 0 to 45 C DC Current Capacity Ime Voltage Imp Steady Sta
114. inframe module cooling fan filter Racal Instruments 1995 Maintenance 7 17 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual PROBLEM POSSIBLE CAUSES WHAT TO DO Airflow alarm condition D Fan speed tolerance e Check fan TACH outputs at rear limit exceeded panel e Query EMS to check fan speed values and to verify limits Refer to Chapter 4 e Check for restrictions to airflow at mainframe intake and exhaust e Clean mainframe module cooling fan filter Maintenance 7 18 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Assembly Drawings EOD WEE Ss A REES ee a EEL Gs TWO FRONT OPENINGS ONL Y 2 A R Racal Instruments 1995 Maintenance 7 19 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual E l D oo o AB l eT i zs 23 f t Sea VIEW A A SEE DETAIL B FOR ORIENTATION OF RETAINER MOUNTING IN SU CHASSIS ue b Em EG GT AC aech SS IKONET oboE0D000O000DOQ0G0090d0 O0000000000000000 E fi Maintenance 7 20 Racal Instruments 1995 Artisan Technology Group
115. ion This section applies to basic features 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 OK Table 3 1 Monitoring Basics WHAT IT MEANS VXI Voltages are within acceptable limits 4 56V lt 5VRail lt 5 50V 10 95V lt 12V Rail lt 13 20V 21 90V lt 24V Rail lt 26 40V 2 20V lt 2V Rail lt 1 83V 5 72V lt 5 2V Rail lt 4 75V 13 20V lt 12V Rail lt 10 95V 26 40V lt 24V Rail lt 21 90V Current draw from each of the seven VXI voltage supplies is lt 100 of the rated value 5V Rail lt 80Amps 12V Rail lt 17Amps 24V Rail lt 12Amps 2V Rail lt 30Amps 5 2V Rail lt 60Amps 12V Rail lt 17Amps 24V Rail lt 12Amps WHERE TO VERIFY At rear panel connector J415 J415 Pin 11 J415 Pin 17 J415 Pin 16 J415 Pin 3 J415 Pin 8 J415 Pin 15 J415 Pin 1 Use J415 Pin 2 4 14 or 24 as Ground reference At rear panel connector J415 These signals are scaled such that OV reading 0 full rated current and 5V 100 full rated current J415 Pin 21 J415 Pin 18 J415 Pin 5 J415 Pin 7 J415 Pin 20 J415 Pin 6 J415 Pin 19 Use J415 Pin 2 4 14 or 24 as Ground reference Operating The 1261B 3 8
116. isan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Fan Speed Ranae The 1261B is shipped with the fan speed range configured to the H g HI setting for rack mount or High Speed Fan models and to the HI S LO LO setting for bench top or Low Noise Fan models If your Selection For application requires more cooling or lower acoustic noise levels ou may re configure the fan speed range as described below Models With Me S 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 J14 RACAL INSTRUME 405092 we De A 405094 EMS MODULE Component Sides Shown Figure 2 10 Fan Speed Range HI LO Selection Configuring The 1261B 2 16 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual n llin h Omit the following procedures if your mainframe is not equipped Insta g the with the Enhanced Monitoring System EMS Enhanced Monitoring System EMS Enhanced The E
117. 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 Writing a Message The user may write a message to the display This is done with the command To The Display 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Clearing The Message From The Display Racal Instruments 1995 Since the LED display can accommodate only 10 characters at a 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 St
118. keywords are accepted for all SENSE lt Attribute gt RANGE commands and 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 MON TRIG DELAY Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Query Response Format SCPI Command Terminator IEEE STD 488 2 Common Commands SCPI Parameter Type Racal Instruments 1995 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 A command string sent to the EMS must be terminated with a one of the following 1 An ASCII linefeed character decimal 10 hex 0A 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 EOI line The END bit is sent along with each character using the Word Serial Byte A
119. l Power Supply Tabs AEE tegen Power Supply Assembly Fan Assembly JU Fan Assembly Tabs jo Te Ge Ee D jela Epi e dl m se melde EE lee LA Figure 7 4 Aligning The Module Fan Assembly To remove and install the power supply assembly from the Removal and mainframe Refer to Figure 7 5 and perform the steps below Replacement of The Power Supply Assembly Maintenance 7 8 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 6 Captive Thumbscrews 3 on top Power Supply Assembly Power Supply rare oan Handle 2 1 Ste AIS ae Gi av Lawe pue SEA E tt Push to d Leet 2 OAI RN J400 FE bP ERRER bo AC Input Rotate Handle 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 hand
120. larm 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 VXIbus 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 XXXX 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 digits represented by YYYY PS Voltage Sensors 5V 5 2V 2V 24V 24V 12V 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 12V 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 Only the failing supplies will be shown when this error occurs This message may be returned if the TST command re
121. les to rotate and expose the mainframe handles Racal Instruments 1995 Maintenance 7 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Upper Power Supply Mounting Flange High Power Pluggable Power Supply Assembly Lower Power Supply Mounting Flange 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 Maintenance 7 10 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Removal and Replacement of The System Monitor This procedure applies to the Standard Monitoring System module and the Enhanced Monitoring Syst
122. locate the EMS in the 1261B Mainframe The Soft Front Panel program will display the VXI logical address of the EMS and the Active LED on the Soft Front Panel will be green Configuring The 1261B 2 23 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual This page was left intentionally blank Configuring The 1261B 2 24 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Chapter 3 OPERATING THE 1261B Using This Chapter Racal Instruments 1995 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Front Panel When Equipped With Standard Monitoring System System Status Indication Voltage LED Current LED
123. lock Diagram rrvnnnnnnnnnnnnvrrrnnnnnnnnnnnnnnnrrnnnnn 6 7 Figure 7 1 Cleaning The Supply Fan Eiter 7 3 Figure 7 2 Cleaning The Module Fan Piller cccccccstscsssescsesscesscesecencsasnceassecssesssasacesscasacencsacnceasvannns 7 4 Figure 7 3 Module Fan Assembly Detail 0 cccccesccesccesedeseseseceseeevederedevedesesetederedenedetecenedereeeveceteee 7 7 Figure 7 4 Aligning The Module Fan Assembly 7 8 Figure 7 5 Power Supply Rear View ENEE 7 9 Figure 7 6 Removing The Power Supply EE 7 10 Figure 7 7 Monitor System Module Rear View 7 11 Figure 7 8 Monitoring System Module Removal and Replacement rrnnnnnnnnnnnnnrrrnnnnnnnnrnrnnnnnr 7 12 Figure 7 9 Removing and Replacing The AC Mains Fuse n n 7 13 Figure 7 10 Card Guide Removal and Replacement nnnnneneneeeeeeeee eneee n nennen nnee 7 14 viii Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual List of Tables Table 1 1 1261B Available DC Current nenene ennnen 1 5 Table 2 1 Rack Mount Components cece cece eee keer reer eee eee reer eee eee nnen nannan nnen ennnen nennen 2 7 Table 2 2 Door Components erer EAEEEEEE EOE AEEEEEEEEECAAEEEE EEEE enEEE EEEE 2 14 Table 3 1 Monitoring Basics 3 8 Table 3 2 SMS Rear Panel Switches en 3 10 Table 3 3 EMS Rear Panel Switches Lane 3 10 Table 3 4 J410 SMS Rear Panel Montor eee e teeter rere rere eee eeeeeeeeeeeeeteteeetereeeees 3 11 Table 3 5
124. lots in the VXI mainframe a Installation and limited number of airflow directors P N 456271 may be installed Removal of Card at empty slot locations to redirect otherwise wasted airflow Guide Covers CAUTION Airflow Directors 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 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 2 Select the slot to be covered by the director and place the hook at the rear 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 Configuring The 1261B 2 2 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Installing Blanking Panels Racal Instruments 1995 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 Press down and back to allow both center and rear hook to engage full
125. 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 voltage tolerance limits SENSE VOLT1 RANGE UPPER 5 2 5V upper limit SENSE VOLTI RANGE LOWER 4 8 5V 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 VOLTI 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 f
126. ly 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 Backplane The Backplane serves several functions Racal Instruments 1995 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 VME 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Backplane Interconnections Cooling System Rack Mount Cooling System Bench Top Cooling System Understanding The 1261B 6 4 1261B User Manual 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
127. ly to this query will be one of the following INP OUTP NONE The EMS has a 10 character LED display which is capable of displaying all printable characters This includes both uppercase and lowercase A through Z the comma single quote double quote forward and backward slash asterisk dollar sign percent sign and so on A space character may also be displayed Using The Enhanced Monitoring System 4 29 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual At Power On and after a reset command RST the front panel display is turned on The front panel will 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 Turning The 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 On and Off DISPLAY TEXT STATE OFF After this command is executed the display is turned off The display will not display any status messages nor will
128. mands that were designed specifically for the EMS as Not Confirmed to the 1994 0 SCPI version Racal Instruments 1995 SCPI Command Reference 5 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual This page was left intentionally blank SCPI Command Reference 5 12 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Chapter 6 UNDERSTANDING THE 1261B Overview Power Supply Power Supply Interconnection Racal Instruments 1995 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 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 e Front Panel Display Power is supplied to the backplane through board to board connector P52 eliminating any wiring and sub backplane interconnect boards This design reduces the path impedance between the supply and the VXI modules receiving power which results in improved dynamic current performance See Appendix A for specifications
129. mmand Summary issccesicceccassashs tosncacicaresavtacucapieanincadevassdentyatavavadesydseceesaenvecasedavdeercerneays 5 6 Command Parameter Limits EE 5 10 Device Specific el E 5 11 Chapter 6 UNDERSTANDING The 1261B Luosnemiemmiumtideetvrustphetv nithnkihvvibj etismuls ett e 6 1 GE EE 6 1 Power S PDIY RR EN NE 6 1 Power Supply Interconnection ccccccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeegs 6 1 Power Supply Protections uk 6 3 BACK plane E 6 3 Backplane Interconnections cccceeeecceeeeeeeeeeeeeeeeeeaaeeaaeeeeeeeeeeeaaeaaaeeeeeeeeeeaaaeageeeeeeseeeeaaaa 6 4 GOOlNG System E 6 4 Rack Mount ele E EE GA Bench Top Cooling System egeszeggteg Saber SCdeEEuEieeh Egeter daf Geiebee eg Sek GA Cooling The Power SUpPly isnassanenisdknnivuh veven dasedosdsanetaaddadndetalsade tenet aadadents 6 5 Standard Monitoring System EE 6 5 SMS Fan Speed WEE 6 5 SMS F n Spesd Control EE 6 5 SMS Fan Speed S N Jamis maedndinededaddekanieainnm 6 5 SMS Temperature Monitor 6 5 SMS Voltage Monitoring E 6 6 SMS Current Monitoring wi iveisemmniervsiiessnjsvuidaygmissnvnemreti ah ZeEEg Ee EER ee 6 6 Enhanced System Monitor EMS 6 6 EMS Module System Interconnection EE 6 8 EMS Module General Capabilities rrrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnrnnnnnnnrnnsnnnnnn 6 8 v Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 126
130. n Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Basic Functional The functional check consists of checking the 1261B power supply voltages to the VXIbus 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 V oe sw sresem If the voltages are within the specified ranges the mainframe complies with VXI voltage limit specifications Racal Instruments 1995 Operating The 1261B 3 15 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual This page was left intentionally blank Operating The 1261B 3 16 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Chapter 4 USING THE ENHANCED MONITORING SYSTEM Overview Power On Reset Defaults Racal Instruments 1995 This chapter contains information about how to operate the Model 1261B Enhanced Monitoring System EMS The instrument can be programmed using a set of SCPI commands A list of SCPI commands implemented by the Model 1261B EMS is given in Table 5 1 The following paragraphs
131. n for information on cleaning the individual VXIbus modules CAUTION Always power off the mainframe and disconnect the power cord before cleaning or 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 If you must use a liquid for minor interior cleaning use a 75 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 or similar solvents Cleaning The The supply filter is easily removed from the rear of the mainframe as shown in Figure 7 1 Power Supply Filter Pluggable Power Su
132. nput 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Selecting The Trigger Delay Application Programming The Front Panel Display Racal Instruments 1995 The present delay time may be read back with the query VXI CONF MONITOR TRIG DELAY The reply to this query is a numeric value formatted as a real number The trigger delay may be placed between ONE of the following 1 TRIG IN input to selected TTLTRG line 2 Selected TTLTRG line to TRIG OUT output 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 CONF MONITOR TRIG DELAY STATE The rep
133. nsebven 2 12 Installing Rack Mount RE 2 12 Connecting Safety Ground ME 2 15 Fan Speed Range HI LO Selection For Models With System Monitor 2 16 Installing the Enhanced Monitoring System EMS 2 17 Enhanced Monitor VXI Logical Address Gwitch 2 17 Enhanced Monitor Configuration Gwitch 2 18 Connecting The RS 232 Interface kee 2 19 Connecting To a Computer Data Terminal or Modem sssssssesssrnnrrrseerertrrrrrrreessrrnrrrrrrrene 2 19 RS 232 Flow Control Method siciatzccncccvncascntnccaczaanscaczaatzxanscanncatzcanneanzcansaatzaatpnanzeantaatecttenanseaetxads 2 19 RS 232 Echo Back Considerations susessmssepemvmemepenmtensuvel emtr mv eumheimehvin 2 19 Installing The VXIplug amp play Software rrrnnnnnnnnnnnvrrrnnnnnnnnnnnnnnnrrrnnnnennnrnnnnnnrrrnnnenensrrnnnnnnrnnnnne 2 23 Chapter 3 Op rating The 126 1B EE 3 1 Using This e EE 3 1 Front Panel When Equipped With Standard Monitoring System ccccceececeeeeeeeeeeeeeeeeeeeeeees 3 2 Rear Panel When Equipped With Standard Monitoring Gwvstem ennenen 3 3 Front Panel When Equipped With Enhanced Monitoring System cccccccccceeeeeeeeeeeeeeeeeeeees 3 4 Rear Panel When Equipped With Enhanced Monitoring System rrrrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 3 5 Powering On The Mainframe iisicecsceisc sise dceanaccandelacdeansenanaeddaaideaasuatenchsdgataaadeinonhddeddesadesdsadhdodenuts 3 6 Using Remote Power On Standby Gwitching 3 7 AOI TEE eege E seet ege eege 3 8 Re
134. nt ear provides variable recessed rack mounting capability Backplane The 1261B has a jumperless auto configurable backplane using H 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 Racal Instruments 1995 Getting Started 1 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Items Shipped With The 1261B Instruction Manual 980766 Power Cable 602262 Card Guide Covers 456271 VXIplug amp play Software Driver 921511 WIN95 WINNT included with manual Spares Ordering Information EE em CECR Getting Started 1 10 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Optional Equipment Options 9U Rack Mount Ears Only 407396 Application Specific Front Panel AFSP 9U 407399 Inter Module Mainframe Shield Kit 407419 Option 54 1 Front Extension Mount Assembly For installing OPT 407431 1261B in 24 Rack 7U
135. nt in Chapter 7 a1 ge ege SI CL Power Up 1 Enabled 0 Disabled t UT Current Sharing 1 Enabled 0 Disabled ES el mg Set CO au D 5 MO i OJ Parity 0011 None 6 5 Baud SWI 3 GJ arity 01 Odd 10 Even oo 9600 2 CI Data Bits o 8 1 7 01 4800 CT Stop Bits 0 1 1 2 Te zano 111200 8 CHB Power Up Enabled Component Side 7 COMM Current Sharing Disabled 6 CR Baud 9600 Factory Default 5 C i ol C Serting Parity None 3 DA 2 COMB Data Bits 8 1 O Stop sits 1 Revised 5 21 01 JQ 13 Jag Figure 2 12 Setting the Enhanced Monitoring System Configuration Switch Configuring The 1261B 2 18 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 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 Racal Instruments 1995 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 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
136. ogy Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Programming The VXI Slot Temperature Tolerance Limits Racal Instruments 1995 Each VXI slot is individually monitored to ensure that the 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 The lt N gt following the TEMPerature indicates 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 lt temperature gt 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 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 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 U
137. or 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 SENSE CURR1L RANGE UPPER 85 6 5Vupperlimit SENSE CURR2 RANGE UPPER 64 2 5 2V upper limit SENSE CURR3 RANGE UPPER 32 1 2V 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 Programming The The fan speeds are monitored to ensure that they are between the upper and lower limits The following commands may be Fan Speed used to set the fan speed tolerance limits Tolerance Limits
138. ount Using The Enhanced Monitoring System 4 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual SENSE VXI IACK2 COUNT read IACK2 count SENSE VXI IACK3 COUNT read IACK3 count SENSE VXI IACK4 COUNT read IACK4 count SENSE VXI IACK5 COUNT read IACK5 count SENSE VXI IACK6 COUNT read IACK6 count SENSE VXI IACK7 COUNT read IACK7 count i The present count of Bus Error BERR or Interrupt Clearing The VXI Acknowledge cycles IACKn may be cleared to zero This is Bus Error and necessary since the count increases to a maximum value of 256 IACKn Counters Once the count reaches 256 the only way to clear it is to use the 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 SENSE VXI IACK1 CLEAR clear IACK1 counter SENSE VXI IACK2 CLEAR clear IACK2 counter SENSE VXI IACK3 CLEAR clear IACK3 counter SENSE VXI IACK4 CLEAR clear IACK4 counter SENSE VXI IACK5 CLEAR clear IACK5 counter SENSE VXI IACK6 CLEAR clear IACK6 counter SENSE VXI IACK7 CLEAR cle
139. placing the Power Supply in Chapter 7 Verify integrity of wiring to Power On Standby switch Contact customer service Maintenance 7 16 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 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 current 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 AT 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 ma
140. porting 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Le Cam ge Logical OR FISKEN Service Request Generation Logical OR 5 2 E 222 O Coa e EES Uu Sc og 5 exg veOdEVe SEEEKEKE Gr Eg r Soa E es SC o ERE WOOO Standard 7 elsja al2f1lo Event Status Register ESR SH cl Standard Event Status Register ESE lt value gt ESE bt ch 9 EE EE d E et Ee 1261B User Manual Queue Not Empty Output Queue read by Serial Poll Status Byte Register read by STB Service Request Enable Register SRE lt value gt SRE Figure 4 2 Event and Enable Registers and Summary Bit Generation Using The Enhanced Monitoring System 4 18 Artisan Technology Group Quality Instrumentation Racal Instruments 1995 Guaranteed 888 88 SOURCE www artisantg com 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 STAT QUES CURR ENAB STAT QUES T
141. pply Assembly OOOOOGO0000000000 GO00000000000000000 OOOOOCDOL0O000000060 BOODODBAOOGDODODOONT BO000000000000000 HO090000006000000000 GOA0DOOODOOOOODACOONY DODOODODOODOD HD DO OO0009000000000001 O00 0B000000000000 O0O000000000000000 O00G00000000000000 O0900000000000000 O09000000000000000 Thumb Screw Supply Fan Filter Figure 7 1 Cleaning The Supply Fan Filter Racal Instruments 1995 Maintenance 7 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 Filter Frame Thumb Screw Fan Cover Assembly Only used on 9U Rack Mount Version Module Module Filter Thumb Fan Fan Frame Screws Di Assembly Filter Figure 7 2 Cleaning The Module Fan Filter Maintenance 7 4 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Modular Component Removal and Replacement Racal Instruments 1995 1 On rackmo
142. quipment contains voltage hazardous to RISK OF ELECTRICAL SHOCK human life and safety and is capable of DO NOT OPEN inflicting personal injury If this instrument is to be powered from the AC line mains through an autotransformer ensure the common connector is connected to the neutral earth pole of the power supply 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 protective 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Racal Instruments EC Declaration of Conformity Racal Instr
143. r 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 NY 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 defined This will then return to displaying the System OK or out of tolerance message s Using The Enhanced Monitoring System 4 31 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Front Panel The EMS updates the front panel display as illustrated by the M following pseudocode casage 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
144. ragraphs 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 MEAS VOLT3 measure 2V PS Voltage EAS VOLT4 measure 24V PS Voltage EAS VOLT5 measure 24V PS Voltage MEAS VOLT6 measure 12V PS Voltage MEAS 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 EAS CURR1 measure 5V PS Current MEAS CURR2 measure 5 2V PS Current EAS CURR3 measure 2V PS Current EAS CURR4 measure 24V PS Current MEAS CURR5 measure 24V PS Current MEAS 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 MEAS TEMP14 measure ambient temperature This command causes the 1261B EMS to reply with a value formatted as a real number
145. 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 a 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 is a descriptive error message enclosed in double quotes A complete listing of the errors that can be generated by the EMS is shown in Table 4 3 Error Messages B 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table B 1 Error Messages none 103 Invalid separator The parser was expecting a
146. rerererererenr 2 10 Figure 2 7 Instrument Rail Removal ttnn tteennnn nr EEnt 2 10 Figure 2 8 Installing Rack Re EE 2 14 Figure 2 9 Connecting Safety Ground uk 2 15 Figure 2 10 Fan Speed Range HI LO Selection rrrnrnnnnnnnnnnrrnnnnnnnnnnnnrrrnnnnnnnnrrnnnnrrrrnnennnnnnnn 2 16 Figure 2 11 Setting The Enhanced Monitor VXI Logical Address 2 17 Figure 2 12 Setting the Enhanced Monitoring System Configuration Switch 2 18 Figure 2 13 Setting Up The Enhanced Monitoring System RS232 Interface isesssesseeee 2 20 Figure 2 14 RS 232 Connections With a Computer Data Terminal or Modem 2 22 Figure 3 1 1261B Front View With Standard Monitor 3 2 Figure 3 2 1261B Rear View with Standard Monitor 3 3 Figure 3 3 Front View With Enhanced Monttor 3 4 Figure 3 4 Rear View With Enhanced Monitor rernnnrnnnnnrnnnnrvrnnrrnnnnnrrrrrrrnnnrrnnnnsrrnnreennnsrnnnnssnnnne 3 5 Figure 3 5 Powering On The Mainframe un 3 6 Figure 3 6 Using Remote Power On Standby Switching rrrrrrrrvnnnnnnnrrnnnvvrrrnnnnnnnrnrnnnnrrrnnnnennnnnn 3 7 vii Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Figure 4 1 Voltage Condition Register 4 13 Figure 4 2 Event and Enable Registers and Summary Bit Generation 4 18 Figure 4 3 Status Reporting Hierarchy Au 4 21 Figure 6 1 Functional Block Diagram For 1261B Chassis 6 2 Figure 6 2 Enhanced Monitoring System Module B
147. s failed due to a corrupted nonvolatile memory Configuration memory lost Configuration information has been lost due to a corrupted nonvolatile memory Self test failed The self test has failed If this is set at power up execute the TST query to determine what has failed Queue overflow 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 Communication error Parity error in program message A parity error has been detected in the command over the RS 232 interface Framing error in program message A framing error has been detected in the command over the RS 232 interface DDE me The RS 232 interface input buffer has been overrun 400 Query error A query error has been detected 363 Input buffer overrun 410 Query INTERRUPTED 420 Query UNTERMINATED 430 Query DEADLOCKED 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 1000 VXI signal queue overflow The signal queue has overflowed Sending VXI signals is an alternative method of generating interrupts 1001 VXI interrupt queue overflow The queue of
148. se since that is the only slot enabled in this example 5 If the Frequency Summary bit bit 5 is set it must be caused by fan 2 since that is the only fan enabled in 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Programming The The 1261B provides the following trigger capabilities Trigger Subsystem 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 nn ina Th The
149. seceeceeneceseeeseseeeseeecenesereeenesenedeneeeeeseteseeeeees 4 29 Turning The Display On and OF wiinresutorrassseisieietecccesaneianeiatecotisi inienil aabicnelaneaate deier geg 4 30 Writing Message To The Display nenene 4 30 Clearing The Message From The Display orrnnnvrrrnnnnnnnnrnnnnonnnnrrrnnnnnnnnvnnnnnnnrrnnnnennsrnrnnnnnrnnnnne 4 31 Front Panel Message Semantics AAA 4 32 Front Panel Status Messages EEN 4 32 iii Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Programming The RS 232 Interface rrrnnnnnnnnnnnnnrrrrrnnnnnnnrrnnnnnrrrnennnenerennnnnrrrnnnenenerennnnnrrnnenee 4 34 Programming The EK 4 34 Programming The Number of Data Bits e 4 35 Programming The Parity sczciccctecccccsrccinsenceetttannestndennenmeabrendenetaianeninanngnnenmentnianaeenessadesgassae 4 35 Programming The Number of Stop Bits e 4 35 Illegal RS 232 Interface Combinations rerrrnrrnnnnvrrrrnnnnnnnnnnnnnnvrrnnnnnnnnrnnnnnnrrrnnnenennernnnnnnrnnenne 4 36 Setting The System Time and Date ENEE 4 37 Reading Event Time lu E 4 38 IEEE 488 2 Common Commands rnnnvrrvvnnnnnnnvnnnnnvrrrnnnnnnnnrrnnnnrrrnnneennnrnnnnnvvrrnnnensnnrnnnnnnrrnnnnne 4 39 LETT E 4 39 FT Near 4 40 GEL RR EE 4 40 CLS COMMANA E 4 40 RT WE 4 40 RE 4 41 LOVE E 4 41 PPLE mMMaANd ER EE aaee anaia 4 42 SRE Que EE 4 42 PE Aden 4 43 OPC COMMANA iisi a EEE 4 43 TOPO EN EE 4 44 Nie
150. ster 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 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 Bits 15 through 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 1 Bit 0 Not assigned 12V 12V 24V 24V 5 2V 5V Always 0 PS PS PS PS PS PS Figure 4 1 Voltage Condition Register 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 Re
151. supply out of tolerance Tolerance limits 107 of rated current 7 accuracy at full scale VXI Power Supply Temperature Front Panel LED bi color red green annunciator Health Status Readout 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 VXI Power Supply Airflow Front Panel LED bi color red green annunciator Health Status Readout green indicates supply within tolerance red indicates supply out of tolerance Tolerance limit Fan speed gt 900 RPM 100 RPM accurac Table A 9 EMS Monitoring System Specifications Typical Racal Instruments 1995 Specification A 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Characteristics Auxiliary Rear Panel DC Voltage Outputs Maximum slot temperature Tmax Rear Panel Output Voltage Fan Speed Control Voltage Current 5 V 1 Amp maximum Self Healing Fuse 12 V 1 Amp maximum Self Healing Fuse 24 V 1 Amp maximum Self Healing 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 Pow
152. te Current 24V 12A 12V 17A 5 V 80A 2V 30 A 5 2V 60A 12 V 17A 24 V 12A 5 V STDBY 0A 1A max user supplied Dynamic Current Imp DC Voltage Regulation Voltage Tolerance AV 24 V 1 2V 720 mV 12 V 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 Specification A 2 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Maximum Load Voltage Ripple Noise Ripple Noise 24 V 150 MV pp 12 V 50 MVpp 50 MVpp 50 MVpp Maximum Induced Voltage Ripple Noise 24 V 150 MV pp 12 V 50 MV pp 50 MVpp 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 V 1 2V 720 mV J415 Connector 12 V 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 J415 Connector 24 V oV 12 V OV OV OV OV OV 24 V OV 7 Accuracy at full load value 5 V typical Racal Instruments 1995 Specification A 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE
153. te an interrupt when the alarm condition exists an interrupt will be sent to the system 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 Programming The The various SENSE commands are used to set the ee programmable tolerance limits for the various attributes Tolerance Limits 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Programming The Power Supply Voltage Tolerance Limits Programming The Power Supply Current Tolerance Limits Racal Instruments 1995 The power supply voltages are monitored to ensure that they are between an upper and a
154. tes which temperature slot is being queried Using The Enhanced Monitoring System 4 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual TEMP1 RANG UPP Temperature of VXI slot 0 relative TEMP2 RANG UPP Temperature of VXI slot 1 relative TEMP3 RANG UPP Temperature of VXI slot 2 relative TEMP4 RANG UPP Temperature of VXI slot 3 relative TEMP5 RANG UPP Temperature of VXI slot 4 relative TEMP6 RANG UPP Temperature of VXI slot 5 relative TEMP7 RANG UPP Temperature of VXI slot 6 relative TEMP8 RANG UPP Temperature of VXI slot 7 relative TEMP9 RANG UPP Temperature of VXI slot 8 relative TEMP10 RANG UPP Temperature of VXI slot 9 relative TEMP11 RANG UPP Temperature of VXI slot 10 relative TEMP12 RANG UPP Temperature of VXI slot 11 relative TEMP13 RANG UPP Temperature of VXI slot 12 relative TEMP14 RANG UPP Ambient Temperatur TEMP15 RANG UPP Temperature of VXI slot 0 absolute TEMP16 RANG UPP Temperature of VXI slot 1 absolute TEMP17 RANG UPP Temperature of VXI slot 2 absolute TEMP18 RANG UPP Temperature of VXI slot 3 absolute TEMP19 RANG UPP Temperature of VXI slot 4 absolute TEMP20 RANG UPP Temperature of VXI slot 5 absolute TEMP21 RANG UPP Temperature of VXI slot 6 absolute TEMP22 RANG UPP Temperature of VXI slot 7 absolute TEMP23 RANG UPP Temperature of VXI slot
155. tg com 1261B User Manual Programming The Number of Data Bits Programming The Parity Programming The Number of Stop Bits Racal Instruments 1995 The number of data bits may be programmed with the command SYSTEM COMM SE where lt data bits gt will either be 7 or 8 R AL B TS lt data bits gt The presently programmed number of data bits may be read with the query SYSTEM COMM SE R AL B TS The parity may be programmed using one of the following commands SYSTEM COMM SERIAL PARITY EVEN SYSTEM COMM SERIAL PARITY ODD SYSTEM COMM SERIAL PARITY NONE The present parity may be read using the query SYSTEM COMM SE R AL 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 SYSTEM COMM SE where lt stop bits gt will either be 1 or 2 R AL oS B TS lt stop bits gt The presently programmed number of stop bits may be read with the query SYSTEM COMM S ER AL SE B TS Using The Enhanced Monitoring System 4 35 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual
156. th 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 1U Cable Tray Option 21 9U mainframe See Figure A 4 for overall mainframe 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 Ibs 23 7 kb with no modules installed Racal Instruments 1995 Specification A 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual cal el F 21 68 PID 12 22 Figure A 2 Front View and Side View of Bench Top 7U 1261B Mainframe Sales 19 00 HE wi KE 23 38 min without front door Bede poor a 24 63 min with front door 86800600800 6 12 22 7U Rack Gi ol H Mount 15 729 ee dd onde KEE el LE 9U Rack KH Ee ere legt Figure A 3 Front View
157. that may change in the future The firmware revision is a numeric floating point value An example firmware revision is 2 1 Using The Enhanced Monitoring System 4 39 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual The RST command resets the instrument to its power on RST Command 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 TST Query 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 CLS Command 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 ESE Command Enable Register The value of this register is logically ANDed with the contents of the Standard Event Status Register see the ESR quer
158. 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 ea Quick Disconnect Slides Adjustable Rack Mount Ear Allows incremental recessed rack mounting Cable Tray Allows cable routing without interference 2 Shim Plate Figure 2 3 Rack Mount Options Major Components Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Retaining Nut Hem 9 d Instrument Chassis Rail Ss D Intermediate Raii Front Rack Bracket Part of Item 29 Nr Slide K item 30 yt Retaining Nut Slot Rack Rai Access Hole for Mounting Bracket fa U Bracket Kit Mounting Hardware Part of Item 29 Bracket Kit Mounting Hardware 980 Part of Item 29 Rear Rack Bracket Part of tem 29 Figure 2 4 Slide and Bracket Components 9U Rack Mount Maintrame Racal Instruments 1995 Configuring The 1261B 2 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Left Right Rack Mounting Ear Rack Mounting Ear Item 4 Item 5 Rack Mounting Ear Retainer Nut
159. tndataesvededdasecanee 1 6 Rack Mount ele E 1 7 Advanced System Monitoring scccccsiissescnscovecapiaasusercvesavaninassustevenndenivaseianade licsvceesesaieesvceniverusentiase 1 8 Standard System Monitor MS 1 8 Enhanced System Monitor EMS uanvemavmsieemmemlesuinseiusomiesntsjnsetuiedsd 1 8 Rack eher 1 9 BaCk EI 1 9 Items Shipped With The 1261 1 10 Spares Ordering Heu 1 10 Chapter 2 Contigurnng t NEE 2 1 Using This e E TEE 2 1 AG Mains E 2 1 Site Considerations gacgcaniccssniduaradenseacinatunasagandeasivwausuarydandussiwstaxanesayalce dhusiceansgsnduasyseivearvuardaasemareane 2 1 TREE UG f E 0 2 2 Installation and Removal of Card Guide Covers Airflow Directors rrrrrrrrnnnrrrrrnnnnnnvrrrnnnnnr 2 2 OAS eal NACHE AAG AGP EE 2 3 Installing The Rack Mount Options cccceeeeeeeeee eee eee ee eee eset eee eee eeeeaaeeeeeeeeeeeeecenaeeeeeeeeeeeeeea 2 4 Installing The Slides Into The Rack vm meiuensusnqmeisen eines iskedsonteansneasiand 2 8 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Preparing The Mainframe For Rack Mounting Omit steps 4 and 5 for options without slides 2 11 Installing The Mainframe into The Rack Omit step 1 for options without aldes 2 11 Installing Option 54 1 and 54 2 Receiver Front Extension 2 12 Installing Inter Module Shields Option D 2 12 Installing ASFP Panel Option 23 uugesnneememiaseevai md senevdadsdan
160. top cooling system Bench Top Cooling System T Gas Air Intake l Exhausts other side of mainframe Instrument Air Intake Fluggable Fan Assembly Figure 1 5 1261B Bench Top Mainframe Positive Pressure Cooling System Getting Started 1 6 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 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 cooling practice Air Exhaust Air Exhaust Power Supply Ke Ge Air Intake Exhausts other side of mainframe LE S Instrument Air Intake Figure 1 6 1261B Rack Mount Mainframe Positive Pressure Cooling System Racal Instruments 1995 Getting Started 1 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Advanced System Monitoring System Status via Front Panel Display LED on SMS Temperature Moniter Assembly 10 Character Display Monitors each modute slot on EMS Pluggable Standard 5M5 or Enhanced EMS System Monitor Assembly Figure 1 7 1261B System Monitor Components Standard System The Standard Monitoring System
161. ts 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Discrete Fault Indicator Programming the Discrete Fault Indicator Racal Instruments 1995 To determine which line is presently connected the query VXI CONF MONITOR TRIG OUTPUT may be used The reply to this query will be one of the following TTLTO TTLT1 TTLT2 TTLT3 TTLT4 TTLTS TTLT6 TTLT7 NONE INP DFI The Default state for this command is NONE Discrete Fault Indicator DFI allows the user to either connect an external alarm eg A Sona Alert close an external relay to 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 occur 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 The default mode is DFI OFF after power up or RESET To enable the DFI operation send VXI CONF MONITOR TRIG OUTPUT DFI To confirm the DFI is on send VXI CONF MON TRIG OUTPUT Reply is DEI Using The Enhanced Monitoring System 4 27 Artisan Technology Group Quality
162. turns a value of 3 Fan Speed Sensors Fan l Fan 2 Fan 3 Racal Instruments 1995 Using The Enhanced Monitoring System 4 47 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 012 345 678910 11 12 This error is returned when one or more of 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 A 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
163. ty Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual This page was left intentionally blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Chapter 1 GETTING STARTED Product Description Key Features Ease of Use Racal Instruments 1995 The Model 1261B High Power Intelligent Mainframe is a 13 slot VXIbus Mainframe It fully complies with the VXIbus Specification 1 4 requirements and is VXIplug amp play compatible Figures 1 1 through 1 8 show the key features of the 1261B Fast Setup The 1261B backplane uses active automatic 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 VXIbus compliant message based interface an auxiliary RS 232 port and VXIplu
164. uments Inc 4 Goodyear Street Irvine CA 92718 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 a irvine CA May 08 20027 ng b Engineering Director Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com This page was left intentionally blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table of Contents Chapter 1 Getting es EE EV EE EE 1 1 Product Description uuuuv emanmiesrsnuinmnea dnne ENEE A E A ENE TE E 1 1 Key 5 0 EE EE EE a Sa aaea 1 1 Ease OF USE sirrcna a ar EIKE aided eden es EEN EERE E aes EEEN Et 1 1 Bench Top Model 7U Footprint sccissccuctsioteroeatetereiensashs tleaiecaaaateaiteteis eanidkealualahoaientaeraend 1 2 VXIplug amp play Rack Mount Model QU Footprint rorrrnnnnnnnrnnnnnrrrrnnnnnnnrrnnnnrrrrnnnnnnnrrrnnnnrrnnnnne 1 3 Modular Mainframe Design AEN 1 4 2000 Watts Available DC Power 1 5 High Capacity Positive Pressure Cooling Gvstem 1 6 Bench Top Cooling System scscisiscaicissiascesndenncatenessiennceseessndatnuasedensietesateuavadenbta
165. unt 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 CAUTION Always power off the mainframe and disconnect the power cord before cleaning or servicing the mainframe Maintenance 7 5 Artisan
166. up Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Switch S3 mounted on the EMS module rear panel allows the EMS Fan Speed user to select between maximum fan speed or variable fan Switch speed Understanding The 1261B 6 10 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Chapter 7 MAINTENANCE What s In This Chapter Service Strategy Service Interval Preparation Racal Instruments 1995 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 months 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 bre
167. upt Acknowledge IACK 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 Routing one of the TTLTRG lt n gt lines from the VXI 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 Calculates the maximum VXI slot temperature rise Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual User Limits On EMS Monitored Parameters Timestamps On EMS Monitored Events EMS Rear Panel Fan Speed Monitor EMS Fan Speed Control Racal Instruments 1995 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 temper
168. urrent Status 5 7 VXI 12V Current Status 8 8 9 9 10 Summary of TIME Events Summary of TEMP Events Summary of FREQ Events Summary of VXI Events Figure 4 3 Status Reporting Hierarchy Racal Instruments 1995 Using The Enhanced Monitoring System 4 21 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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
169. vailable command GPIB VXI slot 0 controllers translate the GPIB EOI line to VXIbus protocol which sets the END bit to identify the last character of a command Over the RS 232 interface there is no EOI 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Numeric Parameters Discrete Parameters Boolean Parameters SCPI Command Summary SCPI Command Reference 5 6 1261B User Manual 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
170. which is lines on backplane with or without programmable delay applied J413 ID OO N On 0000 000006 oT E w N 2 TRIG OUT TTL output signal which is routed rom any one of the eight TLTRIG lines on the VXI backplane with or without a programmable delay applied Operating The 1261B 3 12 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table 3 7 J414 EMS Rear Panel Monitor rn sem en 1 5V 5V for powering external user circuitry etc 1 A max 12V for powering external user circuitry etc 1 A max 24V for powering external user circuitry etc 1 A max J414 Output signal proportional to the maximum absolute temperature of the 13 modules 100 mvV C 0 V corresponds to 0 C Fan Speed Output signal proportional to the fan Control speed N U fF Wi On rd GG OV Minimum fan speed 1 1V Maximum fan speed TACH1 TTL output proportional to the speed of Fan 1 2 pulses revolution 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 00009000 00000000 Racal Instruments 1995 Operating The 1261B 3 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Table 3 8 J415 Rear Panel Monitor Control Conn
171. wing 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 SYST ERR on the keyboard Observe the reply to determine the cause Using The Enhanced Monitoring System 4 45 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual 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 MXI VXI and embedded computer interfaces or after a five second delay GPIB VXI slot 0 interface send the following command to the EMS over the VXIbus 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
172. worldwide support and the office closes to your facility refer to the Support Offices section on the following page Use the original packing material when returning the 1261B to Racal Instruments for calibration or servicing The original shipping crate and associated packaging material will provide the necessary protection for safe reshipment If the original packing material is unavailable contact Racal Instruments Customer Service for information Product Support 8 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Support Offices Product Support 8 2 1261B User Manual RACAL INSTRUMENTS United States Corporate Headquarters and Service Center 4 Goodyear Street Irvine CA 92618 Tel 800 722 2528 949 859 8999 Fax 949 859 7139 5730 Northwest Parkway Suite 700 San Antonio TX 78249 Tel 210 699 6799 Fax 210 699 8857 Europe European Headquarters and Service Center 18 Avenue Dutartre 78150 LeChesnay France Tel 33 0 1 39 23 22 22 Fax 33 0 1 39 23 22 25 29 31 Cobham Road Wimborne Dorset BH21 7PF United Kingdom Tel 44 0 1202 872800 Fax 44 0 1202 870810 Via Milazzo 25 20092 Cinisello B Milan Italy Tel 39 0 2 6123 901 Fax 39 0 2 6129 3606 Technologie Park Friedrich Ebert Strasse 51429 Bergisch Gladbach Germany Tel 49 0 2204 844200 Fax 49 0 2204 844219 Racal Instruments 2003 Artisan Technology
173. y Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Command Keyword Long Form and Short Form Case Sensitivity SCPI Command Reference 5 2 1261B User Manual choices Bold Typeface Letters Designate factory default values Part of the DISPlay subsystem is shown below to illustrate the tree system DISPlay WINDow TEXT CLEar DATA lt string gt STATe OFFJON 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 A 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 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg
174. y Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual Troubleshooting The 1261B Racal Instruments 1995 Insert a flat blade screwdriver into the slot in front of the retaining hook Gently pry the tab of the retaining hook to the rear and lift the card guide releasing it at the front 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 To replace align the card guide with the mainframe front ensuring that the V groove is at the front 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 required to clear the front rail Allow the front retaining hook to rest on the front rail Insert a flat blade screwdriver into the slot in front of the retaining hook 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 VXIbus mainframe to its component module level use Table 7 1 and Understanding the 1261B in 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 mainfram
175. y 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 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 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1261B User Manual ESE Query ESR Query Racal Instruments 1995 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 lt ESE value gt where the lt ESE value gt is an integer numeric value in the range 0 to 255 This query reads the value presently programmed for the Standard Event Status Enable Register This reads the value as programmed by the ESE command This query reads the value of the Standard Event Status 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 specifi
176. y into the cardguide Lower the front of the director and allow the snap in hook to rest on the cardguide 3 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 To 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 Pull forward to release the fixed hooks at the center and rear In order to optimize module cooling performance install optional blank panels P N 404836 into unused or empty slots Secure with two captive mounting screws Refer to Figure 2 2 Mounting Screws Top and Bottom Blank Panel Figure 2 2 Blanking Panels Configuring The 1261B 2 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Installing The Rack Mount Options ER Door Tinted Plexiglass adds protection while allowing viewing of annunciators Configuring The 1261B 2 4 1261B User Manual First perform the procedure Installing The Slides Into The Rack provided below when installing e Option 01 7U Rack Mount w Slides Only e Option 02 7U Rack Mount w Slides amp Door e Option 11 9U Rack Mount w Slides Only e Option 12 9U Rack Mount w Slides amp Door Next perform
177. your standard warranty or optional extended warranty or service agreement contact your Racal customer service advisor 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 your customer service advisor by E Mail Helpdesk racalinstruments com Telephone 1 800 722 3262 USA 44 0 8706 080134 UK Fax 1 949 859 7309 USA 44 0 1628 662017 UK RETURN of PRODUCT Authorization is required from Racal Instruments before you send us your product for service or calibration Call your nearest Racal Instruments support facility A list is located on the last page of this manual If you are unsure where to call contact Racal Instruments Inc Customer Support Department in Irvine California USA at 1 800 722 3262 or 1 949 859 8999 or via fax at 1 949 859 7139 We can be reached at helpdesk Qracalinstruments com Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com PROPRIETARY NOTICE This document and the technical data herein disclosed are proprietary to Racal Instruments and shall not without express written permission of Racal Instruments be used in whole or in part to solicit quotations from a competitive source or used for manufacture by anyone other than Racal Instruments The information herein has been developed at private expense and may only be use

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