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1261B User Manual

Racal Instruments

Ó

1995

Operating The 1261B 3-15

Basic Functional
Check

The functional check consists of checking the 1261B power supply
voltages to the VXIbus limits at rear panel connector J415 using a
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

J415 Pin

Supply

VXI Acceptable

Voltage Range

11

+5V

4.875V to 5.25V

15

-12V

-12.6 to 11.64V

1

-24V

-25.2V to -23.28V

3

-2V

-2.1V to -1.9V

17

+12V

11.64V to 12.6V

16

+24V

23.28V to 25.2V

8

-5.2V

-5.46V to -5.044V

2,4,14 or 24

Logic Ground

If the voltages are within the specified ranges, the mainframe
complies with VXI voltage limit specifications.

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Содержание 1261B

Страница 1: ...erutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In st...

Страница 2: ...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 G...

Страница 3: ...acal 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 contac...

Страница 4: ...s 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 ma...

Страница 5: ...is 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...

Страница 6: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 7: ...This page was left intentionally blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 8: ...ystem Monitoring 1 8 Standard System Monitor SMS 1 8 Enhanced System Monitor EMS 1 8 Rack Mount Features 1 9 Backplane 1 9 Items Shipped With The 1261B 1 10 Spares Ordering Information 1 10 Chapter 2...

Страница 9: ...2 19 Connecting To a Computer Data Terminal or Modem 2 19 RS 232 Flow Control Method 2 19 RS 232 Echo Back Considerations 2 19 Installing The VXIplug play Software 2 23 Chapter 3 Operating The 1261B 3...

Страница 10: ...ounters 4 11 Clearing The VXI Bus Error and IACKn Counters 4 12 Generating an Interrupt When an Alarm Condition is Detected 4 12 Clearing The Filter Service Alarm 4 22 Change of Limit for Filter Servi...

Страница 11: ...ry 4 40 CLS Command 4 40 ESE Command 4 40 ESE Query 4 41 ESR Query 4 41 SRE Command 4 42 SRE Query 4 42 STB Query 4 43 OPC Command 4 43 OPC Query 4 44 RCL Command 4 44 SAV Command 4 45 TRG Command 4 4...

Страница 12: ...upply 6 1 Power Supply Interconnection 6 1 Power Supply Protections 6 3 Backplane 6 3 Backplane Interconnections 6 4 Cooling System 6 4 Rack Mount Cooling System 6 4 Bench Top Cooling System 6 4 Cooli...

Страница 13: ...Supply Filter 7 3 Cleaning The Module Fan Filter 7 4 Modular Component Removal and Replacement 7 5 Tools Required 7 6 Removal and Replacement of The Module Fan Assembly 7 6 Removal and Replacement of...

Страница 14: ...ame For Rack Mounting 2 6 Figure 2 6 Rear End Slide Mount Rack Dimension 2 10 Figure 2 7 Instrument Rail Removal 2 10 Figure 2 8 Installing Rack Door 2 14 Figure 2 9 Connecting Safety Ground 2 15 Figu...

Страница 15: ...ter 7 3 Figure 7 2 Cleaning The Module Fan Filter 7 4 Figure 7 3 Module Fan Assembly Detail 7 7 Figure 7 4 Aligning The Module Fan Assembly 7 8 Figure 7 5 Power Supply Rear View 7 9 Figure 7 6 Removin...

Страница 16: ...er Power On RST 4 2 Table 4 2 Voltage Condition and Event Register Bit Assignments 4 14 Table 4 3 Current Condition and Event Register Bit Assignments 4 14 Table 4 4 Temperature Condition and Event Re...

Страница 17: ...1261B User Manual x This page was left intentionally blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 18: ...e 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...

Страница 19: ...1261B delivers the cooling air that your application requires Fan speed control reduces acoustic noise levels of the 1261B high performance cooling system Bench Top Model 7U Footprint The 1261B Bench...

Страница 20: ...Mount Model 9U Footprint The 1261B Rack Mount mainframe is designed to the VXIplug play 9U tall 15 720 inches footprint Figure 1 2 1261B Rack Mount 9U Tall Mainframe 23 68 17 38 15 720 Artisan Techno...

Страница 21: ...Modular Mainframe Design The 1261B highly modular design is virtually wireless with low MTTR and high MTBF Figure 1 3 Modular Service Friendly Mainframe Design Features Artisan Technology Group Qualit...

Страница 22: ...le 1 1 lists the available DC current for each VXI voltage Figure 1 4 1261B High Power Pluggable Power Supply Table 1 1 1261B Available DC Current VXI Voltage Available DC Current 5V 5 2V 2V 12V 12V 2...

Страница 23: ...61B uses forced air positive pressure cooling to direct air to the VXI modules Bench Top Cooling System Figure 1 5 details the bench top cooling system Figure 1 5 1261B Bench Top Mainframe Positive Pr...

Страница 24: ...cooling system The 1261B Rack Mount has air intake at the bottom sides and exhausts at the top rear consistent with industry standard rack mount cooling practice Figure 1 6 1261B Rack Mount Mainframe...

Страница 25: ...Temperature alarm conditions Enhanced System Monitor EMS The Enhanced Monitoring System adds a fully VXIbus 1 4 compliant message based interface alpha numeric display individual VXIbus voltage and sl...

Страница 26: ...using 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 re...

Страница 27: ...del Description Part Number 1261B Power Supply Spare Power Supply Module 407377 910 1261B Fan Assembly Spare High Power Fan Module 407375 SMS Module Spare SMS Module 405092 EMS Module Spare EMS Module...

Страница 28: ...ck Mount Ears Only 407396 Option 16 Complete Slide Kit 407690 Option 21 1U Cable Tray 9U OPT 407397 Option 22 2U Cable Tray 9U OPT 407398 Option 23 Application Specific Front Panel AFSP 9U 407399 Opti...

Страница 29: ...1261B User Manual Getting Started 1 12 Racal Instruments 1995 This page was left intentionally blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 30: ...igured 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 F400 refer to Chapter 7 Removal and Re...

Страница 31: ...f used slots in the VXI mainframe a limited number of airflow directors P N 456271 may be installed at empty slot locations to redirect otherwise wasted airflow CAUTION To maintain a balanced airflow...

Страница 32: ...4 at a slight downward angle applying light pressure to the logo area This will cause the snap hook to firmly seat the director into place 7 To remove the airflow director depress the snap in hook 4 f...

Страница 33: ...ides Only Option 12 9U Rack Mount w Slides Door Next perform the procedure Preparing The Mainframe For Rack Mounting when installing All Rack Mount Options Finally perform procedure Installing The Mai...

Страница 34: ...Manual Racal Instruments 1995 Configuring The 1261B 2 5 Figure 2 4 Slide and Bracket Components 9U Rack Mount Maintrame Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www ar...

Страница 35: ...oot Screw and Washer 4 Places Slide Mounting Screw 3 Per Side Item 16 Rack Mounting Ear Screw 3 Per Side Item 20 Bracket Retainer Nut 2 Per Bracket Item 9 Slide Rack Bracket Retainer Nut Screw 2 Per B...

Страница 36: ...head 10 32 x 75 screw 6 615093 6 615093 20 Phillips Flathead 8 32 x 75 screw 6 615577 6 615577 21 Phillips Flathead 10 32 x 50 screw 4 615590 4 615590 27 Rack Slide Handle 2 921275 2 921275 29 Slide B...

Страница 37: ...s 2 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...

Страница 38: ...r slide bracket so it touches the inside of the rear mounting rail Tighten the rear bracket to slide assembly screws 10 Lightly secure the rear slide bracket to the rear mounting rail using two Philli...

Страница 39: ...al Instruments 1995 The slides are now positioned to accept the mainframe Figure 2 6 Rear End Slide Mount Rack Dimension Figure 2 7 Instrument Rail Removal Artisan Technology Group Quality Instrumenta...

Страница 40: ...to the mainframe left and right hand side panels using screws Item 16 Installing The Mainframe into The Rack Omit step 1 for options without slides Assistance of a second person or a mechanical lift w...

Страница 41: ...2 Receiver Front Extension Instructions for installing Option 54 1 and 54 2 Receiver Front Extension Mount Assembly P N 407421 and 407431 onto the 1261B are included in the kit that is shipped with th...

Страница 42: ...Item 4 2 Install upper halves of hinges on the door with pan head screws Item 3 3 Install door stop Item 5 on opposite rack mount ear with self tapping screws Item 6 4 Align hole in door hinges with h...

Страница 43: ...QTY 9U P N Shown 7U P N 1 Door Assembly 1 407430 407429 2 Hinge Black Nylon 2 921161 921161 3 Screw PPH 10 24 x 500 4 611396 611396 4 Screw PFH 10 24 x 500 4 611238 611238 5 Bar Door Stop 1 456416 002...

Страница 44: ...struments 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 Co...

Страница 45: ...more cooling or lower acoustic noise levels you may re configure the fan speed range as described below and in Figure 2 10 Fan Speed Range HI LO Selection 1 Remove SMS or EMS module See Removal and Re...

Страница 46: ...dress Switch The EMS module is a statically configurable SC device as described in VXIbus Specification 1 4 Sections C 2 1 1 1 and F 1 When the 1261B is shipped with the EMS the VXI Logical Address is...

Страница 47: ...ure 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 C...

Страница 48: ...nds 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 Th...

Страница 49: ...fault setting is 1 Stop bit 8 data bits No Parity 9600 Baud and RS 232 enabled at power on 2 Connect host computer to RS 232 port See Figure 2 14 RS 232 Cable Connections With a Computer Data Terminal...

Страница 50: ...1261B User Manual Racal Instruments 1995 Configuring The 1261B 2 21 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 51: ...al Configuring The 1261B 2 22 Racal Instruments 1995 Figure 2 14 RS 232 Connections With a Computer Data Terminal or Modem Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www...

Страница 52: ...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 comm...

Страница 53: ...1261B User Manual Configuring The 1261B 2 24 Racal Instruments 1995 This page was left intentionally blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 54: ...sing 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 heal...

Страница 55: ...1261B 3 2 Racal Instruments 1995 Front Panel When Equipped With Standard Monitoring System Figure 3 1 1261B Front View With Standard Monitor Artisan Technology Group Quality Instrumentation Guaranteed...

Страница 56: ...ped With Standard Monitoring System See Rear Panel Switch and Connector Descriptions later in this Chapter for information on rear panel features Figure 3 2 1261B Rear View with Standard Monitor Artis...

Страница 57: ...he 1261B 3 4 Racal Instruments 1995 Front Panel When Equipped With Enhanced Monitoring System Figure 3 3 Front View With Enhanced Monitor Artisan Technology Group Quality Instrumentation Guaranteed 88...

Страница 58: ...ith Enhanced Monitoring System See Rear Panel Switch and Connector Descriptions later in this chapter and Figure 3 4 for information on rear panel features Figure 3 4 Rear View With Enhanced Monitor A...

Страница 59: ...Manual Operating The 1261B 3 6 Racal Instruments 1995 Powering On The Mainframe Figure 3 5 Powering On The Mainframe Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www arti...

Страница 60: ...ing 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 dea...

Страница 61: ...ts 4 56V 5V Rail 5 50V 10 95V 12V Rail 13 20V 21 90V 24V Rail 26 40V 2 20V 2V Rail 1 83V 5 72V 5 2V Rail 4 75V 13 20V 12V Rail 10 95V 26 40V 24V Rail 21 90V At rear panel connector J415 J415 Pin 11 J4...

Страница 62: ...10 Pin 5 on SMS or J414 Pin 5 on EMS 100mV per EC 0EC corresponds to 0 V Use J410 or J414 Pin 9 or 10 as ground reference Airflow LED Green or System OK Module cooling fans are operating above accepta...

Страница 63: ...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 V...

Страница 64: ...the 13 modules 100 mV o C 0 V corresponds to 0 o C 5 T Output signal proportional to the maximum absolute temperature rise w respect to internal ambient sensor of the 13 modules 100 mV o C 0 V corresp...

Страница 65: ...r Connector Pin Signal Description 1 TRIG IN TTL level input signal which is routed to any one of the eight TTLTRIG lines on the VXI backplane with or without a programmable delay applied 2 TRIG OUT T...

Страница 66: ...maximum absolute temperature of the 13 modules 100 mV o C 0 V corresponds to 0 o C 5 Fan Speed Control Output signal proportional to the fan speed 0V Minimum fan speed 1V Maximum fan speed 6 TACH1 TTL...

Страница 67: ...13 RSV Reserved 14 GND Logic Ground 15 12 VMON VXIbus Voltage Monitor Output 16 24 VMON VXIbus Voltage Monitor Output 17 12 VMON VXIbus Voltage Monitor Output 18 12 IMON Power Supply Current Monitor O...

Страница 68: ...eter 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 J415 Pin Supply VXI Acceptable Voltage Range 11 5V 4 875V to 5 2...

Страница 69: ...1261B User Manual Operating The 1261B 3 16 Racal Instruments 1995 This page was left intentionally blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 70: ...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 i...

Страница 71: ...t Temperature Limit 55 o C Slot Temperature Rise Limit 30 0 o C Number of VXI Bus Errors IACKs 0 disabled Power On Time Limit 1 year Cumulative Power On Time Limit 5 years Filter Service Time Limit 43...

Страница 72: ...MS to reply with a value formatted as a real number The number is rounded to the nearest 0 01 VDC Measuring Power Supply Currents The MEAS CURR command is used to measure the current presently being o...

Страница 73: ...S TEMP13 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 temp...

Страница 74: ...ttributes MEAS TIME1 read power on time MEAS TIME2 read cumulative power on time MEAS TIME3 read power on time since last filter service Each of these queries causes the 1261B EMS to reply with an int...

Страница 75: ...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 dete...

Страница 76: ...ENSE VOLT1 RANGE LOWER 11 1 12V lower limit SENSE VOLT7 RANGE UPPER 11 1 12V upper limit SENSE VOLT7 RANGE LOWER 12 9 12V lower limit Each of these commands has an associated query For example the que...

Страница 77: ...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 lo...

Страница 78: ...ature Temperature of VXI slot 12 relative TEMP14 RANG UPP temperature Ambient Temperature TEMP15 RANG UPP temperature Temperature of VXI slot 0 absolute TEMP16 RANG UPP temperature Temperature of VXI...

Страница 79: ...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 s...

Страница 80: ...etween 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...

Страница 81: ...IACK5 counter SENSE VXI IACK6 CLEAR clear IACK6 counter SENSE VXI IACK7 CLEAR clear IACK7 counter This command is meaningful only if the specified event is presently being monitored If for example the...

Страница 82: ...rance 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 i...

Страница 83: ...f tolerance 3 24V Power Supply Voltage out of tolerance 4 24V Power Supply Voltage out of tolerance 5 12V Power Supply Voltage out of tolerance 6 12V Power Supply Voltage out of tolerance Table 4 3 Cu...

Страница 84: ...slot 6 temperature rise exceeds limit 7 VXI slot 7 temperature rise exceeds limit 8 VXI slot 8 temperature rise exceeds limit 9 VXI slot 9 temperature rise exceeds limit 10 VXI slot 10 temperature ris...

Страница 85: ...t 4 VXI IACK2 Count exceeds limit 5 VXI IACK3 Count exceeds limit 6 VXI IACK4 Count exceeds limit 7 VXI IACK5 Count exceeds limit 8 VXI IACK6 Count exceeds limit 9 VXI IACK7 Count exceeds limit The Ev...

Страница 86: ...d 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 Reg...

Страница 87: ...ing The Enhanced Monitoring System 4 18 Racal Instruments 1995 Figure 4 2 Event and Enable Registers and Summary Bit Generation Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURC...

Страница 88: ...tribute 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...

Страница 89: ...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...

Страница 90: ...User Manual Racal Instruments 1995 Using The Enhanced Monitoring System 4 21 Figure 4 3 Status Reporting Hierarchy Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisan...

Страница 91: ...must elapse the mainframe power ON before the 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...

Страница 92: ...SENSE TIME3 RANGE UPPER 15 768E6 15 768E6 is an example representing 15768000 or 182 days 3 SAV 0 You have just set the Filter Service Alarm to be active in 182 days of power on Interrupt Generation...

Страница 93: ...gister 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 Question...

Страница 94: ...The TRIG IN Input To a TTLTRG Line The TRIG IN input may be connected to one of the TTLTRGx lines TTLTRG0 through TTLTRG7 The following commands may be used to connect the TRIG IN input to one of the...

Страница 95: ...G3 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 MONITO...

Страница 96: ...ergency 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...

Страница 97: ...e 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 n...

Страница 98: ...e 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 T...

Страница 99: ...set the front panel display is turned on The front panel may be turned off using the command DISPLAY TEXT STATE OFF After this command is executed the display is turned off The display will not displa...

Страница 100: ...ead 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...

Страница 101: ...lerance message Elsif there is a user defined message then display the user defined message Elsif the AC line power is switch ON then display System OK Else display Standby Endif Endif Front Panel Sta...

Страница 102: ...age condition 2V PS UV 2V power supply under voltage condition 24V PS UV 24V power supply under voltage condition 24V PS UV 24V power supply under voltage condition 12V PS UV 12V power supply under vo...

Страница 103: ...and receive replies The RS 232 interface operates at one of four baud rates 1200 2400 4800 or 9600 It supports 7 or 8 data bits even odd or no parity and 1 or 2 stop bits The default baud rate data bi...

Страница 104: ...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 SERIAL PARITY The EMS will re...

Страница 105: ...2 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 BEFO...

Страница 106: ...ate and time The system time may be set using the command SYSTEM TIME hour minute second where hour ranges from 0 to 23 minute ranges from 0 to 59 second ranges from 0 to 59 The present time may be re...

Страница 107: ...5 2V PS current alarm CURR3 ALARM TIME 2V PS current alarm CURR4 ALARM TIME 24V PS current alarm CURR5 ALARM TIME 24V PS current alarm CURR6 ALARM TIME 12V PS current alarm CURR7 ALARM TIME 12V PS cur...

Страница 108: ...tile memory whenever an out of tolerance condition is detected IEEE 488 2 Common Commands The EMS supports all required IEEE 488 2 commands In addition the optional OPT SAV and RCL commands are all su...

Страница 109: ...he 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...

Страница 110: ...Operation Complete This bit is set when the OPC command is sent and has been executed Bit 1 Request Control This bit is always 0 for the 1261B EMS Bit 2 Query Error This bit is set when the EMS parser...

Страница 111: ...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...

Страница 112: ...o be read Bit 5 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 Bit 6 Master Summary Status MSS Set when t...

Страница 113: ...ocation is specified it must be in the range 0 to 9 If location is not specified it will default to 1 The RCL command recalls the following instrument state attributes Upper and or Lower Tolerances Fo...

Страница 114: ...This command is accepted but has no effect on the EMS WAI Command The WAI command is required by the IEEE 488 2 specification This command is accepted but has no effect on the EMS Performing The Self...

Страница 115: ...ther 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 th...

Страница 116: ...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 hexadecim...

Страница 117: ...Programmable Interrupt Timer test has failed This message will be returned if the TST command returns a value of 4 EEPROM header corrupt XXXXXXXX This error is returned when the header first 4 bytes o...

Страница 118: ...liseconds 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...

Страница 119: ...ser Manual Using The Enhanced Monitoring System 4 50 Racal Instruments 1995 This page was left intentionally blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisan...

Страница 120: ...fined 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...

Страница 121: ...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...

Страница 122: ...rent 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 Multiple Identical Capabilities and Key...

Страница 123: ...age 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 va...

Страница 124: ...t along with each character using the Word Serial Byte Available command GPIB VXI slot 0 controllers translate the GPIB EOI line to VXIbus protocol which sets the END bit to identify the last characte...

Страница 125: ...at 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 alwa...

Страница 126: ...7 Query only VXI Not Confirmed ACFail Not Confirmed Query only ASTRobe Not Confirmed Query only SYSFail Not Confirmed Query only STATus Confirmed PRESet Confirmed Command only OPERation Confirmed Comm...

Страница 127: ...only TIME N Not Confirmed N 1 3 RANGe Not Confirmed UPPer time as a real number seconds Not Confirmed set maximum time limit LOWer time as a real number seconds Not Confirmed may be specified but is i...

Страница 128: ...mon Commands Parameter Form Default Min Max IEEE 488 2 Notes CLS Confirmed ESE 0 0 255 Confirmed ESE Confirmed ESR Confirmed IDN Confirmed OPC Confirmed OPC Confirmed RCL 0 1 2 3 4 5 6 7 8 9 Confirmed...

Страница 129: ...URR1 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...

Страница 130: ...included in the 1994 0 version However these commands are designed with the SCPI standard in mind and they follow all of the command syntax rules defined by the standard Table 5 1 lists all device spe...

Страница 131: ...1261B User Manual SCPI Command Reference 5 12 Racal Instruments 1995 This page was left intentionally blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 132: ...modules installed into the backplane C Backplane terminations and daisy chaining logic C Module Cooling Fans C System Monitoring Module C Temperature Monitor Module C C Front Panel Display Power Supp...

Страница 133: ...ser Manual Understanding The 1261B 6 2 Racal Instruments 1995 Figure 6 1 Functional Block Diagram For 1261B Chassis Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisa...

Страница 134: ...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...

Страница 135: ...emperature conditions of 40EC the fans shall run full speed Rack Mount Cooling System Module cooling air enters at the bottom sides of the 1261B Rack Mount mainframe and is filtered as it is drawn thr...

Страница 136: ...ch 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 w...

Страница 137: ...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...

Страница 138: ...Manual Racal Instruments 1995 Understanding The 1261B 6 7 Figure 6 2 Enhanced Monitoring System Module Block Diagram Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www arti...

Страница 139: ...CK signals C Monitoring the elapsed time since power was turned on power on time both cumulative since shipment and the present total since last power cycle C Recording when the last time the VXI Main...

Страница 140: ...mps On EMS Monitored Events 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...

Страница 141: ...Instruments 1995 EMS Fan Speed Switch Switch S3 mounted on the EMS module rear panel allows the user to select between maximum fan speed or variable fan speed Artisan Technology Group Quality Instrum...

Страница 142: ...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 m...

Страница 143: ...d interior cleaning of the mainframe and cleaning fan filters Refer to your module user documentation for information on cleaning the individual VXIbus modules CAUTION Always power off the mainframe a...

Страница 144: ...ese 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 T...

Страница 145: ...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 Module Fan Filter The module fan filter...

Страница 146: ...e 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 modul...

Страница 147: ...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 m...

Страница 148: ...1261B User Manual Racal Instruments 1995 Maintenance 7 7 Figure 7 3 Module Fan Assembly Detail Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 149: ...Module Fan Assembly Removal and Replacement of The Power Supply Assembly To remove and install the power supply assembly from the mainframe Refer to Figure 7 5 and perform the steps below Artisan Tec...

Страница 150: ...ews 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 m...

Страница 151: ...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...

Страница 152: ...onitor System Module Rear View 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 Loose...

Страница 153: ...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 backplan...

Страница 154: ...plete the steps below while referring to Figure 7 9 WARNING To avoid electrical shock the AC mains power input must be disconnected before replacement of the fuse Figure 7 9 Removing and Replacing The...

Страница 155: ...ssembly 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 Replacing The Card Guides...

Страница 156: ...rail 6 Allow the front retaining hook to rest on the front rail 7 Insert a flat blade screwdriver into the slot in front of the retaining hook 8 Gently pry the tab of the retaining hook to the rear an...

Страница 157: ...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 P...

Страница 158: ...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...

Страница 159: ...ance limit exceeded Check fan TACH outputs at rear panel Query EMS to check fan speed values and to verify limits Refer to Chapter 4 Check for restrictions to airflow at mainframe intake and exhaust C...

Страница 160: ...1261B User Manual Racal Instruments 1995 Maintenance 7 19 Assembly Drawings Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 161: ...1261B User Manual Maintenance 7 20 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 162: ...1261B User Manual Racal Instruments 1995 Maintenance 7 21 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 163: ...1261B User Manual Maintenance 7 22 Racal Instruments 1995 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 164: ...nt in for repair complete the form in the back of this manual For worldwide support and the office closes to your facility refer to the Support Offices section on the following page Reshipment Instruc...

Страница 165: ...pe 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 1...

Страница 166: ...r 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 probl...

Страница 167: ...eration 0 25 in x 1 25 in Slow Blow 15 A 250 V 5 mm x 20 mm Slow Blow 10 A 250 V Inrush Current 70 A maximum cold start or after 1 minute cool down Input current 15 A maximum at 90 VRMS 8 A maximum at...

Страница 168: ...o 50 o C 1025 W 0 to 45 o C DC Current Capacity IMP Voltage IMP Steady State Current 24V 12 A 12 V 17 A 5 V 80 A 2V 30 A 5 2 V 60 A 12 V 17 A 24 V 12 A 5 V STDBY 0 A 1 A max user supplied Dynamic Curr...

Страница 169: ...12 V 1 Amp 24 V 1 Amp Protections Over voltage protection Over temperature protection Over current protection VXI Supply Rear Panel DC Voltage Monitors J415 Connector Voltage Tolerance V 24 V 1 2V 72...

Страница 170: ...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...

Страница 171: ...IEC Characteristics Installation Category II Pollution Degree 2 Safety Class 1 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 5 L Sec 5 1 0 1 5 2 0 2 5 H2O mm 0 6 6 5 7 7 5 8 8 5 9 9 5 10 10 5 3 5 3 PRESSURE AIRFLOW V...

Страница 172: ...allowed to free fall onto a solid wooden bench surface Electromagnetic Compatibility EMC Emissions Enclosure AC Mains Emissions shall be within the limits specified by the following requirements EN 55...

Страница 173: ...e tray used in 9U mainframe provides 16 12 40 9 x 62 1 6cm cable exit area from rear of mainframe Tray height 2 25 5 4 cm 1U Cable Tray Option 21 9U mainframe Height of the cable tray Width Depth Heig...

Страница 174: ...995 Figure A 2 Front View and Side View of Bench Top 7U 1261B Mainframe Figure A 3 Front View and Side View of 1261B Bench Top Model With 7U and 9U Rack Mount Ears Artisan Technology Group Quality Ins...

Страница 175: ...struments 1995 Specification A 9 Figure A 4 Front View and Side View of 1261B Rack Mount Model With Rack Mount and Cable Tray Options Artisan Technology Group Quality Instrumentation Guaranteed 888 88...

Страница 176: ...truments 1995 Figure A 5 Side View of 1261B 7U Mainframe With Option 54 1 Installed Figure A 6 Side View of 1261B 9U Mainframe With Option 54 2 Installed Artisan Technology Group Quality Instrumentati...

Страница 177: ...red green annunciator green indicates supply within tolerance red indicates supply out of tolerance Tolerance limits V nominal 8 75 10 3 accuracy VXI Power Supply Current Front Panel Health Status Rea...

Страница 178: ...put Fan Speed Range typical 2000 to 4800 RPM VXI Power Supply Voltage Health Status Readout Available at Front Panel Display VXI Message Based Interface RS 232 interface Default Tolerance limits V nom...

Страница 179: ...pull up to 5V Routes from any one of eight backplane TTLTRIG lines or Real Panel Trigger Input default is unconnected Routing delay 50 nS typical Programmable delay range 0 nS to 1 Second 31 25 nS res...

Страница 180: ...nly Servant only Static Configuration Instrument Protocol I IEEE 488 2 Instrument Protocol I4 Supports the Word Serial Trigger command Programmable Interrupter Event Generation Response Generation Sof...

Страница 181: ...aced 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...

Страница 182: ...c too long CME The command keyword contains more than 12 characters 113 Undefined header CME Command header is syntactically correct but not recognized 114 Header suffix out of range CME The value of...

Страница 183: ...d EXE An arming signal was received and recognized but was ignored 213 Init ignored EXE A request for measurement initiation was ignored since another measurement was already 214 Trigger deadlock EXE...

Страница 184: ...ror QYE A query error has been detected 410 Query INTERRUPTED QYE The query has been interrupted see IEEE 488 2 Sec 6 3 2 3 420 Query UNTERMINATED QYE see IEEE 488 2 Sec 6 3 2 2 for a description 430...

Страница 185: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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