Home

Manual - Astronics Test Systems

1. o 5 5 5 5 E E E E E E E E E E 5 ER 88 H EH 8 E EH EH EH EH 5 5 EE EE E EE E n E i E EE HH E E EH EE HH 5 E E 52 5 E EH E EE EH E E 5 EE E EE EE E 28 a EE 28 Br EE H EH HH EH EH HH FH HH HH HH EH H H HH HH HH EE H EE EE 53 E E E 5 EH EH 88 5 EE EH EH HH EE EE E EE EE H E E 58 EE EE En FE E EE E HH HH HH LH E E E JO s o e
2. Component Description U N Oty Reqd Engineer Txt 1 210149 DILED 002 1V00 02A PANEL GRN D EA 00000 CR101 2 456553 PLATE COVER RRAR 1261B KEY D EA 00000 9 407375 001 FAN ASSY 12618 2 SPEED D EA 00000 4 407378 001 ENCLOSURE ASSY KEY 12618 D EA 00000 5 407702 001 REAR PANEL ASSY INTL 1261B D EA 00000 6 407703 001 PWR SUPPLY ASSY INTL VXI LIN D EA 00000 7 407704 001 CABLE ASSY 1261BL5 P416 P416 D EA 00000 8 407704 002 CABLE ASSY 1261BL5 417 417 D EA 00000 9 456271 COVER CARD GUIDE MOLDED D EA 6 00000 10 456341 FOOT REAR D EA 4 00000 11 456352 COVER D 00000 12 456353 D EA 00000 13 456376 003 OVERLAY FRONT PNL 1261B KEY D EA 00000 14 456379 PANEL CONNECTOR FILLER D EA 1 00000 15 602269 CORD POWER 10A CONT EUROPE E EA 2 00000 16 602235 SWITCH ROCKER SNAP IN E 1 00000 5100 17 611327 250 240 2 00000 W ITEM 14 18 615558 SIM PFL1HOO6 32X 375 D EA 4 00000 W ITEM 12 19 610777 TIE CA LEG 062 750 E EA 1 00000 20 616253 53M PPANHOO4 40x 375 E EA 8 00000 W ITEMS 2 5 21 616257 53M PPANHO006 32X 500 E EA 4 00000 W ITEM 25 22 617103 W1FOO6 312D 028T 147 E EA 8 00000 W ITEM 10 23 618112 SlF PPANHOO6 20X 500 D EA 8 00000 W ITEM 10 24 9209
3. Component Description U M Qty Reqd Ref 1 210149 DILED 002 1V00 02A PANEL GRN E EA 1 00000 CR101 2 456553 PLATE COVER REAR 1261B KEY D EA 1 00000 3 407375 001 FAN ASSY 1261B 2 SPEED D EA 1 00000 4 407378 001 ENCLOSURE ASSY KEY 12618 D EA 1 00000 5 407702 REAR PANEL ASSY 1261B DEA 1 00000 6 407703 PWR SUPPLY ASSY 3U VXI LIN DEA 1 00000 7 407704 001 CABLE ASSY 1261BL5 P416 P416 DEA 1 00000 8 407704 002 CABLE ASSY 1261BL5 P417 P417 DEA 1 00000 9 456271 COVER CARD GUIDE MOLDED DEA 6 00000 10 456341 FOOT REAR DEA 4 00000 11 456352 COVER TOP DEA 1 00000 12 456353 COVER BOTTOM DEA 1 00000 13 456376 003 OVERLAY FRONT PNL 1261B KEY DEA 1 00000 14 456379 PANEL CONNECTOR FILLER DEA 1 00000 15 602262 CORD POWER 15A 12618 320 015 DEA 1 00000 16 602235 SWITCH ROCKER SNAP IN EEA 1 00000 100 17 611327 RVT PP PAN 250DX 240 EEA 2 00000 W ITEM 14 18 615558 SIM PFL1H006 32X 375 DEA 4 00000 W ITEM 12 19 610777 TIE CA LKG 062 750 EEA 1 00000 20 616253 S3M PPANH004 40X 375 EEA 8 00000 W ITEMS 2 5 21 616257 S3M PPANH006 32X 500 EEA 4 00000 W ITEM 25 22 617103 1 006 3120 028 147 8 00000 W ITEM 10 23 618112 SIF PP Q06 20X 500 DEA 8 00000 W ITEM 10 24 920962 LOCTITE 242 MED STR DEA 00001 18 25 921515 FOOT BUMPER 38 HIGH x 77 DIA EEA 4 00000 W ITEM 12 26 611323 CLP CA STD N ACN A EEA 1
4. 3 11 Table 4 1 Default Limit Settings After Power On RST 2000002 0 000000000000 4 2 Table 4 2 Voltage Condition and Event Register Bit Assignments 4 13 Table 4 3 Temperature Condition and Event Register Bit Assignments 4 13 Table 4 4 Fan Speed Condition and Event Register Bit Assignments 4 14 Table 4 5 Time Condition and Event Register Bit Assignments 4 14 Table 4 6 VXI Condition and Event Register Bit Assignments 4 14 Table 4 7 Questionable Condition Register Bit 4 17 Table 4 8 Front Panel Status 4 29 Table 5 1 VXlbus 1261B Linear EMS SCPI Commands List Summary 5 7 Table 5 2 Defaults Minima and Maxima 5 10 Table 7 1 Troubleshoolirig one 7 12 Astronics Test Systems ix 1261B Linear User Manual Publication No 980844 Rev B Table A 1 AC Input Specifications 1 Table A 2 DC Output A 2 Table E T KE A 3 Table A 4 Safely PIRE EN A 4
5. 2 1 installing VXL 2 1 Installation and Removal Card Guide Covers Directors 2 2 Installing Blanking GG 2 3 Setting ue aden 2 4 Installing the Enhanced Monitoring System 2 4 Enhanced Monitor VXI Logical Address 2 4 Enhanced Monitor Configuration 2 5 Connecting RS 232 Interface 2 7 Connecting To Computer Data Terminal or Modem 2 7 H5 232 Flow Control Method iier E E I etes ER E ere I d e um tentes 2 7 RS 232 Echo Back Considerations deor PIU Vt D EVER 2 8 Astronics Test Systems i 1261B Linear User Manual Publication No 980844 Rev B Controlling 1261B Linear EMS with HyperTerminal Win 95 2 9 Installing The VXlplug amp play Software 2 11 OPERATING THEW 26 1B LING al centum coat mec cd 3 1 Using This Chapters se ee me at At ee Rd eme arta etal ee 3 1 Powering On the 1261B Lineat tte
6. N N 5 Maintenance 7 22 Astronics Test Systems 1261B Linear User Manual Publication No 980844 Rev B anauona z 2 8 2 o V amas 12270 5 NZ S d 81921 oan 1511 81 31vuvdas 33s 8 9 0038 44 gt NOLLH3SNI 530 14 02 SLOVLNOD 01 NOILNTOS AdOHdOSI SWALI ATHW3SSV 2 TANVd 91921 1 4 HOLO3NNOO 254 40 OL XIGWASSYV JHNSOTONI 91921 JO 1HVd 96090 LH vd 51 WOWH ATSWASSY 809 WOH 090 SHOLIOVdVO S WALI 5 JO NOLLVTIVISNI 225008 Lud 3HVMLJOS NMOHS ATBIVWIXOHddV 4 5 3009 NOLLVOIHILNSOI 3009 LNIHd VW XIBI3SSV 804 HOLINOW Q3ONVHN3 NO 1 WALI HOLSIS3H NOLLISOd IH 2 01 3015 LN3NOdWOO NO Pir Had 135 WALI ASSY 89d HOLINOW 30 NOILYTIVISNI V LINN GaddIHS G399V8 38 OL 92 QNVSL 6SW3ll 21 0015 OL S Sf S60S0r L 00018 OL amp SI S60SOr SMOTIOS SV 9
7. 440422044 0 nnn 4 26 Programming The Front Panel 4 26 Turning The Display On 4 27 Writing Message To The nior t 4 27 Clearing The Message From The 0 4 28 Front Panel Message aie aon eut n eue vus 4 28 Front Panel Status e Hue gd 4 29 Programming The RS 232 InterTa6O c ee Do eb Ern Petre eheu t Pe robe uer he 4 30 Programming The Baud trt Er 4 30 Programming The Number of Data 5 4 31 Programming The Parity 4 31 Astronics Test Systems iii 1261B Linear User Manual Publication No 980844 Rev B Programming The Number of Stop Eph on evenness 4 31 RS 232 Interface 4 31 Setting System Time and 4 33 Reading Eve nt Time rito enin eor 4 33 IEEE 488 2 Comiiangds e coe e hte ce EU 4 35 esset ole deut aids duse f ter 4 35 Command
8. 5 TEST SYSTEMS RACAL INSTRUMENTS 1261B LINEAR VXlbus MAINFRAME Publication No 980844 Rev B Astronics Test Systems Inc 4 Goodyear Irvine CA 92618 Tel 800 722 2528 949 859 8999 Fax 949 859 7139 atsinfo astronics com atssales astronics com atshelpdesk asironics com _http www astronicstestsystems com Copyright 1995 by Astronics Test Systems Inc Printed in the United States of America All rights reserved This book or parts thereof may not be reproduced in any form without written permission of the publisher THANK YOU FOR PURCHASING THIS ASTRONICS TEST SYSTEMS PRODUCT For this product or any other Astronics Test Systems product that incorporates software drivers you may access our web site to verify and or download the latest driver versions The web address for driver downloads is http Awww astronicstestsystems com support downloads If you have any questions about software driver downloads or our privacy policy please contact us at atsinfo astronics com WARRANTY STATEMENT All Astronics Test Systems products are designed to exacting standards and manufactured in full compliance to our AS9100 Quality Management System processes This warranty does not apply to defects resulting from any modification s of any product or part without Astronics Test Systems express written consent or misuse of any product or part The warranty also does not apply to fuses software non rechargeable
9. 92 1 31535 di 00S GL 006 8038030 WOH NOUCENNOD GIU LON 05140 14440 Maintenance 7 27 Astronics Test Systems 1261B Linear User Manual Publication No 980844 Rev B A 7 407771 04120 21793 5 104120 40 7 28 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Assembly 407771 04120 Low Level Code 00 Description 1261B LINEAR P S 7U 12 10A N Revision Date 2001 07 26 EA Revision A Component Description UM Qty Reqd Txt 1 210149 DILED 002 1V00 02A PANEL GRN EA 1 000 2 456553 PLATE COVER REAR 1261B KEY EA 1 000 3 407375 001 FAN ASSY 1261B 2 SPEED EA 1 000 4 407378 001 ENCLOSURE ASSY KEY 1261B EA 1 000 5 407702 REAR PANEL ASSY 1261B EA 1 000 6 407703 100 PWR SUPPLY ASSY 3U LIN S1807 EA 1 000 7 407704 101 CABLE ASSY P416 P416 EA 1 000 8 407704 102 CABLE ASSY P417 P417 EA 1 000 9 456271 COVER CARD GUIDE MOLDED EA 6 000 10 456341 FOOT REAR EA 4 000 11 456352 COVER EA
10. ON EBV ON ON EEE ON Ca EE EVES SETON v NOLE a 5 S NYS 30404 OL 639V H 02 SLOM QL Vd OS SMELI KENESY BIN HVEH 91921 HOLOSNNOO 25 JO KBIEES V 8192 960507 ON IBNHSLNGIATHISNI 55 INVIVA WOH 090 959 S WAL ENYE HYH 229008 ON IHvd NNOHS 3 BHM XHY 405 3009 uv 3009 Bv INEH HME 1049 01 09 96080 10199 6 06 56050 SMOTIOHSV 1 NEL 09 56090 WOH INN 5 CHO Wa 38 OL 92 ANY 91 65 80 21 0015 QL 9 09 96090 1 005 4 26050 SMOTIOISY 91 NAL HOLS 0015 96090 WOH N HIBS 953 SALON Maintenance 7 15 Publication No 980844 Rev B v w os OZ L 0 22207 Astronics Test Systems 1261B
11. BERR IACK Condition Using The Enhanced Monitoring System 4 12 Astronics Test Systems Publication No 980844 Rev 1261B Linear User Manual 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 Bit Set When 0 5V Power Supply Voltage out of tolerance 1 5 2V Power Supply Voltage out of tolerance 2 2V Power Supply Voltage out of 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 Temperature Condition and Event Register Bit Assignments Bit Set When 0 VXI slot 0 temperature rise exceeds limit 1 VXI slot 1 temperature rise exceeds limit 2 VXI slot 2 temperature rise exceeds limit 3 VXI slot 3 temperature rise exceeds limit 4 VXI slot 4 temperature rise exceeds limit 5 VXI slot 5 temperature rise exceeds limit 6 VXI 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 rise exceeds limit 11 VXI slot 11 temperature rise exceeds limit 12 VXI slot 12 temperature rise exceeds limit 13 Ambient temperature exceeds limit Astronics Test Systems Us
12. 108 Parameter not allowed More parameters were received than were ected 109 Missing parameter 110 Command header error CME Fewer parameters were received than expected An error was detected in the header 112 Program menmonic too long characters recognized The value of a numeric suffix makes the header invalid VOLT8 113 Undefined header 114 Header suffix out of range 111 Header separator error An illegal separator character followed the command header The data appears to be numeric but is syntactically e incorrect An invalid character for the data byte was encountered REM 32000 not allowed 488 2 Sec 7 7 3 2 CME 134 Suffix too long The suffix contains more than 12 characters 138 Suffix not allowed A suffix was encountered after a numeric 120 Numeric data error CME CME CME CME CME CME CME 121 Invalid character in number CME CME parameter value where no suffix is allowed e SRE 255 MHZ 140 Character data error CME A character received as a command parameter is invalid CME 141 Invalid character data The character data element has an invalid character or the character data is not valid for the command header Error Messages B 2 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual The character data element contains more than 12 characters A legal character data element was received
13. 1107 Query only Command only Query only Query only Query only Command only Query only Query only Astronics Test Systems Publication No 980844 Rev Keyword CONFigure MONitor TRIGger INPut OUT put DELay TIME STATe DISPlay WINDow CLEar DATA STATe Common Commands Parameter Form Default in Bold Confirmed TTLTRGO TTLTRG2 TTLTRG3 TTLTRG4 TTLTRGS TTLTRG6 TTLTRG7 NONE TTLTRGO TTLTRG1 TTLTRG2 TTLTRG4 TTLTRGS TTLTRG6 TTLTRG7 NONE INPut 0 0 1 04857596875 INPut OUTput OFF Confirmed lt string data gt OFF 0 1 Parameter Form Default Min Max 0 0 255 01112131415161718191 10 1 2 3 4 5 6 7 8 9 0 0 255 SCPI 1994 0 Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Not Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed 488 2 Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed parameters as implemented by the Enhanced Monitoring System Astronics Test Systems 1261B Linear User Manual Notes enclose lt string data gt in quotes Notes command has no effect command has no effect The limits and default values dep
14. 6 6 1 1 Power Display Assembly Switch J1 405091 100 Figure 6 1 Functional Block Diagram For 1261B Linear Chassis Understanding The 1261B Linear 6 2 Astronics Test Systems Publication 980844 Rev Power Supply Protections Backplane Backplane Interconnections Astronics Test Systems 1261B Linear User Manual The seven VXIbus power supply outputs are protected for Short Circuit Over Load The Backplane serves several functions e Rigid mechanical interface which accommodates lifetime of insertions of VXI modules and the plug in power supply e Supplies DC voltages and currents to modules e Connects the VME communications interface across P1 and P2 from slot 0 to slot 12 e Connects the VXI extensions across P2 rows from slot 0 to slot 12 e Connects the monitoring system module temperature monitor board display board Power On Standby switch and module cooling fans with the power supply The Power On Standby switch S100 connects to the backplane through a polarized locking wire to board header at J54 The front panel display module and the temperature monitor board connect to the backplane through a 24 pin ribbon cable IDC header at J50 The module cooling fans connect to the backplane through a polarized locking wire to board header at J56 The power supply wiring harness P N 407704 004 connects J52 on the backplane to rear panel conne
15. 980844 Rev 1261B Linear User Manual Inspection and Cleaning tme 7 2 Interior GIGA 7 2 7 2 Cleaning The Module Fan Filter zai 7 3 Modular Component Removal Replacement 7 4 Tools Regu 7 4 Removal and Replacement of The Module Fan Assembly 7 5 Removal and Replacement of System 7 7 Removal and Replacement of The AC Mains enn 7 9 Removing and Replacing The Card Guides 7 10 Troubleshooting The 1261 22202224 nennen nnnm nnne 7 11 ete stent A 1 See kl atte A 1 APPENA Gl Bio 1 ERAOR MESSAGE 1 Astronics Test Systems vii 1261B Linear User Manual Publication No 980844 Rev B List of Figures Figure 2 1 E ren n ninman an pse peto sepe eire operate 2 2 Figure 2 2 Blanking Panels te et ettet etes d tet p bred aureae 2 3 Figure 2 3 Fan
16. O s o nir n mg ne nutus nl cs nies nes all all nis 1 1261 Mainframe Linear Supply Racal Instruments 1261BLS POWER SUPPLY Operating The 1261B Linear 3 2 Figure 3 1 Front View Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Powering On the Refer to Figures 3 1 through 3 2 and the instructions below to power on the 1261B Linear 1261B Linear 1 Connect cable assemblies 407704 1 407704 2 2 Connect power cord to 1261 mainframe Linear Supply box 3 on system by setting front panel Power Switch to position J418 Monitor Control 0 Chassis E es F J400 F400 v 3 0 Je x x G 2 ame EMS Monitor e Fan Filter gt wl Supply AC 1 3 FAN fe xe J418 DC OUTPUTS J417 DC OUTPUTS ERE TUNES IM y 2 23 Figure 3 2 Rear View Connections Astronics Test Systems Operating The 1261B Line
17. read IACK7 count 2 2 2 2 2 0 0 0 0 Using The Enhanced Monitoring System 4 10 Astronics Test Systems Publication 980844 Rev Clearing The VXI Bus Error and Counters Enabling and Disabling The Current Sharing Feature Generating an Interrupt When an Alarm Condition is Detected Astronics Test Systems 1261B Linear User Manual The present count of Bus Error BERR or Interrupt Acknowledge cycles may be cleared to zero This is necessary since the count increases to a maximum value of 256 Once the count reaches 256 the only way to clear it is to use the command described below or to select some other or BERR line for monitoring The following commands may be used to clear the BERR or counters SENSE VXI BERR CLEAR clear BERR counter SENSE VXI IACK1 CLEAR clear IACK1 counter SENSE VXI IACK2 CLEAR clear IACK2 counter SENSE VXI clear counter SENSE VXI IACK4 CLEAR clear IACK4 counter SENSE VXI IACK5 CLEAR clear IACK5 counter SENSE VXI IACK6 CLEAR clear IACK6 counter SENSE VXI 7 clear IACK7 counter This command is meaningful only if the specified event is pre
18. switch SW1 8 is set the instrument state will be recalled from nonvolatile memory location 0 As shipped from the factory nonvolatile location 0 holds the instrument state as described in Table 4 1 The power on state of the EMS can be changed by overwriting the contents of nonvolatile location 0 by using the command SAV 0 The command below may be used to place the instrument in its default state as described in Table 4 1 on the following page RST Using The Enhanced Monitoring System 4 1 1261B Linear User Manual Publication No 980844 Rev B Table 4 1 Default Limit Settings After Power On RST Power Supply Voltage Limits Power Supply PS Maximum Minimum 5V 5 50V 4 56V 5 2V 4 75 5 72V 2V 1 83V 2 20V 24V 26 40V 21 90V 24V 21 90V 26 40V 12V 13 20V 10 95V 12V 10 95V 13 20V Power Supply Current Limit Not applicable to 1261B Linear Fan Speed Limit Absolute Temperature Limit Ambient Temperature Limit Slot Temperature Rise Limit Number of VXI Bus Errors IACKs Power On Time Limit Cumulative Power On Time Limit Filter Service Time Limit Trigger In Trigger Out Delay TRIG IN Input TRIG OUT Output Front Panel Display State Front Panel User Message RS 232 Baud Rate RS 232 Parity RS 232 Data Bits RS 232 Stop Bits Using The Enhanced Monitoring System 4 2 2000 RPM Minimum 4999 RPM Maximum 55 55 30 0 C 0 dis
19. 1261B Linear 3 7 1261B Linear User Manual Publication No 980844 Rev B Backplane Table 3 7 shows the P1 connector pinouts for all slots in the 1261B Linear Connectors Table 3 8 shows the P2 connector pinouts for all non slot 0 slots Table 3 9 shows the P2 connector pinouts for the slot 0 Table 3 7 P1 Connector Pinouts Pin RowA RowB 00 001 002 D11 D04 D12 005 D13 _____006 BGIOUT D14 D07 D15 pl GND GND 10 SYSFAIL 11 GND BERR 12 SYSRESET 13 LWORD 14 5 15 GND A23 16 DTACK AMO A22 17 GND AM1 A21 18 AS 2 20 19 GND AM3 19 2 GND 18 2 17 16 4 GND 15 07 A14 A06 A13 A05 A12 A04 11 A03 10 02 09 A01 A08 45V 45V 45V Operating The 1261B Linear 3 8 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Table 3 8 P2 Connector Pinouts For All Non Slot 0 Location Pin D ako 3 RSVi GND 5 2V LBUSCOO LBUSCO1 7 GND LBUSAO 2 LBUSA02 LBUSCO2 N N LBUSA03 N N LBUSCOS LBUSA04 LBUSC04 LBUSA05 LBUSCO5 V LBUSAO06 D16 LBUSCO6 LBUSAO07 LBUSCO7 D D LBUSA08 LBUSCOB LBUSAO09 D D LBUSCO9 5 2V LBUSC10 LBUSC11 G GN LBUSA10 LBUSA11 TTLTRGO TTLTRG1 D TTLTRGS D D D V N
20. Interrupt Generation Example Astronics Test Systems 1261B Linear User Manual Therefore the SENSE TIME3 CLEAR command should be executed immediately after the filter is cleaned and mainframe power is turned on To display a failure message after 100 days example of power on time the following sequence may be performed A Locate DIP switch SW1 8 on the EMS board Move the switch to ON position This allows the EMS to read the limits at power up from the on board EEPROM The limits are read from the nonvolatile location 0 This location is stored using the command SAV 0 B Using the following SCPI commands 1 SENSE TIME3 CLEAR 2 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 As an example suppose an interrupt is desired only when one or more of the following conditions exist 1 24V Power Supply Voltage is out of tolerance 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 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 QUES
21. ene 5 3 Multiple Identical Capabilities and Keyword Suffixes 5 3 The MIN MAX and DEF 5 5 4 Querying Parameter Setting 5 4 Query Response Formatear ee tec n 5 5 SOPIComimana Terminators aee e E CR b e o ea Re 5 5 IEE STD 488 2 Common Commands ren en ee obtento e EM CER LR 5 5 SCPI Parameter Type oae od oett se 5 6 Numeric Pararmeler ec e escape bake cidem 5 6 TO 5 6 Parameters Leti been sette boc ont 5 6 SCPI Command 250491 iu Ud 5 6 Command Parameter Limits x eet eee det p EL eme eek E A ee tre tns 5 10 eec tu 5 10 Astronics Test Systems V 1261B Linear User Manual Publication No 980844 Rev B Chapter deg tee 6 1 UNDERSTANDING THE 1261 6 1 _______________________________ _ 6 1 Powet SUDDIy 6 1 Power Supply Interconnection sa ue on ced o Eo E EI mte e utem 6 1 Power Supply PIOIBCIDIS s e
22. Astronics Test Systems 1261B Linear User Manual TTLT5 TTLT6 TILT NONE INP The Default state for this command is NONE A delay time may be added between 1 The TRIG IN input and the selected TTLTRGx line OR 2 The TTLTRGx line and the TRIG OUT output OR 3 The TRIG IN input and the TRIG OUT output The trigger delay time ranges from 0 0 to 1 04857596875 seconds in steps of 31 25 nanoseconds To program a delay time the command VXI CONF MONITOR TRIG DELAY delay time where delay time gt ranges between 0 0 and 1 04857596875 NOTE When the trigger delay is non zero the trigger pulse is generated from the 12618 EMS is not identical to the trigger signal applied to the input or from the TTLTRGx line The trigger pulse is approximately 100 nanoseconds wide and is a low going normally high pulse NOTE The EMS trigger delay circuit adds a delay between the input and output pulses This delay is between 31 25 ns and 62 5 ns typical 100 ns maximum 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 Using The Enhanced Monitoring System 4 25 1261B Linear User Manual Publication No 980844 Rev B Selecting The The trigger delay may be placed between ONE of the following Trigger Delay 1 TRIG IN input to selected TTLTRG line Application 2 S
23. Reading Event Time Stamps Astronics Test Systems 1261B Linear User Manual 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 where lt year gt ranges from 1995 to 2020 lt month gt ranges from 1 to 12 lt day gt ranges from 1 to 31 may be less than 31 depending on the lt month gt The present date may be read using the query SYSTEM DATE The EMS will reply to this query using the format lt year gt lt month gt lt day gt Each alarm condition has an associated time stamp This time stamp tracks the most recent occurrence of the out of tolerance condition The time stamp indicates the earliest time at which the most recent out of tolerance condition was detected In general th
24. 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 linear power supply accepts power from the AC mains and converts it to DC to power the following e VXI modules installed into the backplane e Backplane terminations and daisy chaining logic Module Cooling Fans System Monitoring Module Temperature Monitor Module Front Panel Display Power is supplied to the backplane through connector interface P52 J52 Cable assemblies 407704 XX1 XX2 connect the power supply 407703 100 115VAC 407703 001 220 to the 1261B mainframe at J416 and J417 Understanding The 1261B Linear 6 1 1261B Linear User Manual Publication No 980844 Rev B lt 9400 407703 001 100 5 5 9 J416 1417 a Q P416 P417 5 N 5 B J412 2413 J414 J418 P416 417 Enhanced Monitor J416 417 405094 51 4101 4102 52 451 J52 Backplane J55 J6 J4 J1 92456 J54 J50 405095 Sensor 405093 N N N T 5 5 6 6 5 5 5 oio DI NDI
25. 2 OB e e bal 9c J400 AC Input Handles COO a AE gt 4417 DG OUTPUTS PS4 52VGIBA PSF 5 0 Figure 7 4 Monitoring 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 Loosen the two captive thumbscrews which secure the monitoring system to the mainframe 2 Grasp the module by the top and bottom handles 3 Carefully pull to the rear to remove the system monitor module Astronics Test Systems Maintenance 7 7 1261B Linear User Manual Publication No 980844 Rev B gt gt 25 225 ECC 225 BESS lt gt 0 Pluggable Standard SMS or Enhanced EMS System Monitor Assembly Figure 7 5 Monitoring System Module Removal and Replacement 4 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 en
26. IACK6 LIMIT 44 set IACK6 limit SENSE VXI IACK7 LIMIT 113 set IACK7 limit Each limit may be set to an integer value between 0 and 255 Setting the limit to 0 disables the monitoring of the BERR and all lines Each of the commands has an associated query which may be used to read the present limit for the BERR or IACK line For example the query SENSE VXI IACK5 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 i The present count of Bus Error BERR or Interrupt Reading The VXI Acknowledge cycles IACKn may be read back from the EMS Bus Error and Only the presently monitored event will return a non zero count IACKn Counters 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 VX1 BERR COUNT read BERR count E VXI IACKI1 COUNT read IACK1 count E VXI IACK2 COUNT read IACK2 count E VXI IACK3 COUNT read count read count E VXI IACK5 COUNT read 1 5 count E VXI IACK6 COUNT read IACK6 count E VXI IACK7 COUNT
27. Maintenance 7 30 Publication 980844 Rev 1261B Linear User Manual a lt lt lt e Ae zu NE MU Qi SC z HE EE io 2 ah zs E in 5 lt S 8 gt Astronics Test Systems Maintenance 7 31 1261B Linear User Manual Publication No 980844 Rev B Assembly 407771 04112 Low Level Code 00 Revision Date 2001 06 14 Description 1261B LINEAR PS7U EMS 12 10A N EA Revision A Component Description UM Qty Reqd Txt 1 405091 002 PCB ASSY DISPLAY ENHANCED EA 1 000 2 405094 PCB ASSY ENHANCED MONITOR EA 1 000 3 407375 FAN ASSY 1261B EA 1 000 4 407378 ENCLOSURE ASSY 1261B EA 1 000 5 407702 REAR PANEL ASSY 1261B EA 1 000 6 407703 100 PWR SUPPLY ASSY 3U LIN S1807 EA 1 000 7 407704 101 CABLE ASSY P416 P416 EA 1 000 8 407704 102 CABLE ASSY P417 P417 EA 1 000 9 456271 COVER CARD GUIDE MOLDED EA 6 000 10 456341 FOOT REAR EA 4 000 11 456352 COVER TOP EA 1 000 12 456353 COVER BOTTOM EA 1 000 13 456376 002 OVERLAY FRONT PANEL DISPLAY EA 1 000 14 456379 PANEL CONNECTOR FILLER EA 1 000 15 602262 CORD POWER 15A 1261B 3
28. Table A 5 Environmental tide 5 A6 Backplane e HL A 5 Mecharnical RE RE ein RI ene A 5 Table A 8 EMS Monitoring System Specifications A 6 Table Error oda D e tue e P D e d B 2 X Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual DOCUMENT CHANGE HISTORY Revision Date Description of Change 11 04 09 Revised per 29950 Revised format to current standards Company name revised throughout manual Manual now revision letter controlled Added Document Change History Page xi Back of cover sheet Revised Warranty Statement Return of Product Proprietary Notice and Disclaimer to current standards Removed Chap 8 Information Now appears in first 2 sheets behind cover sheet Updated table of contents to reflect changes made Added company name to lower corner opposite of Page no s i thru xii 4 18 12 Revised per EO 30687 Revised Load Ripple and Noise specification Astronics Test Systems xi 1261B Linear User Manual Publication No 980844 Rev B This page was left intentionally blank xii Astronics Test Systems Publication 980844 Rev
29. Timestamps Char Dot LED Uer iieaoe Di spl ay Figure 6 2 Enhanced Monitoring System Module Block Diagram Understanding The 1261B Linear 6 5 Astronics Test Systems 1261B Linear User Manual EMS Module System Interconnection EMS Module General Capabilities Publication No 980844 Rev B The Enhanced Monitoring System module plugs directly into the slot 0 location on the rear of the 1261B backplane replacing the SMS monitor 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 ambient temperature and the temperature within the each of the thirteen VXI slots Monitoring the speed of each of the three module fans Monitoring the VXI Address Strobe AS Bus Error BERR ACFAIL SYSFAIL and Interrupt Acknowledge signals Monitoring the elapsed time since power was turned on power on time both cumulative since shipment and the present total since last power cycle Recording when the last time the VXI Mainframe Filter was serviced and notifying the user when the service period has elapsed and service is suggested Recording when the last time the VXI Mainframe filter was serviced and notifying the user that filter service is due again Routing a External Trigger In signal to one of the TTLTRG lt n gt lines on the VXI backplane A programmab
30. Voltage Range 45V 4 875V to 5 25V 12 6 to 11 64V 25 2V to 23 28V 2V Po 2328V10252V If the voltages are within the specified ranges the mainframe complies with VXI voltage limit specifications J418 210 10 1 5 X3 13 O 14 7 15 8 O Astronics Test Systems Operating The 1261B Linear 3 11 1261B Linear User Manual Publication No 980844 Rev B This page was left intentionally blank Operating The 1261B Linear 3 12 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Chapter 4 USING THE ENHANCED MONITORING SYSTEM Overview Power On Reset Defaults Astronics Test Systems This chapter contains information about how to operate the 1261B Linear Enhanced Monitoring System EMS The instrument can be programmed using a set of SCPI commands A list of SCPI commands implemented by the 1261B Linear EMS is given in Table 5 1 The following paragraphs describe the various modes of operation and give examples on how to program the 1261B EMS NOTE The 1261B Linear does not support current monitoring 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 Upon power on the EMS state will be reset to the power on state described in Table 4 1 If
31. m m 4 35 TST UIE Y cR 4 35 CLS Command rt 4 36 ESEXOInDIADd cdit vc t M I ee 4 36 ESE eti na a akg 4 37 ESR ee 4 37 SRECOIImalieo tu ia uite e utu M DM CU 4 38 TORE ena edendum ddnde 4 39 CC 4 39 m D 4 40 xoc EE 4 40 GU ANG P gua I eed 4 40 Comimand u c 4 41 PERG OGOMMANG 25 cnet E 4 41 WAL GOmMmmand E 4 41 Performing the Self Tesi siete aee ted e hue tatu 4 41 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Gao ert E m 5 1 SCPI COMMAND REFERENCE dert NE exer e 5 1 What s In This Chapter 5 1 Introduction To SCPI Language dt edges 5 1 Command Keyword Long Form and Short 8 5 2 Case E dete tee coos he le 5 2 Optional aoc
32. 1 000 12 456353 COVER BOTTOM EA 1 000 13 456376 003 OVERLAY FRONT PNL 1261B KEY EA 1 000 14 456379 PANEL CONNECTOR FILLER EA 1 000 15 602262 CORD POWER 15A 1261B 320 C15 EA 1 000 16 602235 SWITCH ROCKER SNAP IN EA 1 000 17 611327 RVT PP PAN 250DX 240 EA 2 000 18 615558 S1M PFL1H006 32X 375 EA 4 000 19 610777 TIE CA LKG 062 750 EA 1 000 20 616253 S3M PPANH004 40X 375 EA 8 000 21 616257 S3M PPANH006 32X 500 EA 4 000 22 617103 W1F006 312D 028T 147 EA 8 000 23 618112 S1F PPANHO006 20X 500 EA 8 000 24 920962 LOCTITE 242 MED STR EA 25 921515 FOOT BUMPER 38 HIGH x 77 DIA EA 4 000 26 611323 CLP CA STD N ACN A EA 000 27 SP 180 CB SHIPPING CARTON EA 1 000 28 SP 199 CD FOAM EA 1 000 29 SP 200 CB CARTON BOX EA 1 000 30 SP 204 CD FOAM EA 1 000 32 980844 MANUAL USER 1261B LINEAR EA 1 000 Astronics Test Systems Maintenance 7 29 lt E M x mma UV mem 61170 11107 6412 lt 01921 SWI NLSd 9 191 Publication 980844 Rev ASH SLaWd 31 Val vd3s 335 9938 v 81 Astronics Test Systems KP 1 va 9 TTE n ior 1261B Linear User Manual 1 Y 51170 17770 t 9 7
33. 1261BL5 P416 P416 D EA 1 00000 8 407704 002 CABLE ASSY 1261BL5 P417 P417 EA 1 00000 9 456271 COVER CARD GUIDE MOLDED D EA 6 00000 10 456341 FOOT REAR D EA 4 00000 11 456352 COVER TOP D EA 1 00000 12 456353 COVER BOTTOM D 1 00000 13 456376 002 OVERLAY FRONT PANEL DISPLAY D EA 1 00000 14 456379 PANEL CONNECTOR FILLER D EA 1 00000 15 602269 CORD POWER 10A CONT EUROPE EA 2 00000 16 602235 SWITCH ROCKER SNAP IN EA 1 00000 5100 17 611327 RVT PP PAN 2SODX 240 E EA 2 00000 W ITEM 14 18 615558 SIM PFL1H006 32X 375 D EA 4 00000 W ITEM 12 19 616251 53M PPANH004 40X 250 E EA 3 00000 W ITEM 1 20 616253 53N PPANH004 40X 375 E EA 6 00000 W ITEM 5 21 616257 53M PPANH006 32X 500 E EA 4 00000 W ITEM 25 22 617103 W1F006 312D 028T 147 E EA 8 00000 W ITEM 10 23 618112 51 6 20 500 D EA 8 00000 W ITEM 10 24 920962 LOCTITE 242 MED STR D EA 00001 W ITEM 18 2 5 921515 FOOT BUMPER 38 HIGH x 77 DIA E EA 4 00000 W ITEM 12 27 5 180 SHIPPING CARTON EA 1 00000 28 SP 199 CD FOAM EA 1 00000 29 SP 200 CB CARTON BOX EA 1 00000 30 SP 204 CD FOAM EA 1 00000 31 050000 000 RSCH1 000 00H 06W005 E EA 1 00000 W ITEM 2 32 980844 MANUAL USER 1261B LINEAR EA 1 00000 Maintenance 7 26 Astronics Test Systems 1261B Linear User Manual Publication No 980844 Rev B lt LI OcWwO 12720v 56415
34. 6 Figure 7 4 Monitoring System Module Rear 7 7 Figure 7 5 Monitoring System Module Removal and 7 8 Figure 7 6 Removing and Replacing The AC Mains 7 9 Figure 7 7 Card Guide Removal and Replacement 7 10 Figure A 1 Mainframe Worst Case Slot Cooling 2 4 viii Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual List of Tables Table 3 1 Monitoring BASICS 3 4 Table 3 2 EMS Rear Panel Switches inti rem etienne tint nl ete lb d end 3 5 Table 3 3 J412 EMS RS 232 3 5 Table 3 4 J413 EMS TTL Trigger Connector 3 6 Table 3 5 J414 EMS Rear Panel 77 3 6 Table 3 6 J418 Rear Panel Monitor Connector 3 7 Table 3 7 Connector E aa a 3 8 Table 3 8 P2 Connector Pinouts For All Non Slot 0 3 9 Table 3 9 P2 Connector Pinouts for VXIbus Slot 0 en 3 10 Table 3 10 Power Supply Voltages at J418
35. 7 3 and 7 4 1 10 11 On rackmount 90 mainframes only loosen fan cover thumbscrews lower cover and disengage from housing Remove two phillips head screws per side and two socket head cap Allen screws and lockwashers inside rear of cabletray Pull bottom of housing away and downwards disengaging retaining hooks from rear of module fan assembly This will expose the fan assembly for removal Omit this step for benchtop 70 mainframes Loosen the lower center captive thumbscrew on the fan filter frame Lift it up and towards the rear to remove the frame and filter from the rear of the module fan assembly Loosen the four captive thumbscrews which secure the module fan assembly to the mainframe Ensure that all four thumbscrews are disengaged from the mainframe Grasp the module fan assembly by the bottom right and top left floating thumbscrew Remove the module fan assembly by pulling gently toward the rear of the mainframe while gripping the assembly by the two thumbscrews To reinstall the module fan assembly first align the assembly with the rear of the mainframe Insert the fan assembly by gently pushing it forward into the mainframe making sure the electrical connector is properly mated Tighten the four thumbscrews securing the module fan assembly Place filter in the filter frame and align the hooks on the back of the filter frame with the slots on the module fan assembly Insert the frame and push down
36. 980844 Rev 1261B Linear User Manual ESE r This query reads the value presently programmed for the 5 Standard Event Status Enable Register This reads the value as programmed by the command 9 This query reads the value of the Standard Event Status ESR Query Register Each bit of this register indicates a true false status condition When the bit is set the condition is TRUE when the bit is cleared the condition is FALSE The bit assignments are defined by the IEEE 488 2 specification The bit assignments are as follows Bit 0 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 has detected a query error condition as defined by the IEEE 488 2 specification Bit 3 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 Bit 4 Execution Error This bit is set when the EMS has attempted to execute a command but the command could not be executed successfully Bit 5 Command Error This bit is set when the EMS receives a command it does not recognize Bit 6 User Request This bit is always 0 for the 12618 EMS Bit 7 Power On This bit is set when the AC line power switch is turned on The bits of the Standard Event Statu
37. Linear User Manual Publication No 980844 Rev B 9 a lt ex d C u Cog 5 ol 7 KE Mi 5 st E b lo m SP BN 5 ae 8 8 9 E IR e e Riis p 1 Maintenance 7 16 Astronics Test Systems L aloes 2 v 5 9 L 8 rms 2110 12207 66212 Sid 92 1261B Linear User Manual ASTI EES 55 conie 30404 INE GVH 02610 4 00 OL Vd OOS Aid XBVEESV BNW HYH 892 301539 254 HO V BHSOTONS 8192 4O 560509 ON IENH SLNBIADHISNI 809 INV OWE WOH 080 959 0 S WALI KEVERSV HYH 30 NOLVTIVISNI 225008 ON IHvd SHEHM BS 71 3009 7 Wau ABNE
38. N 52V GN TILTRGS GN Re RSV2 RSV3 MODID GN 24V SUMBUS c nno ajA 2 2 2 2 2 2 2 2 2 2 3 3 ND 24 25 26 27 28 29 30 ND 5V 20 21 22 23 ND 24 25 26 27 28 29 30 31 ND 5V 0 1 2 3 4 5 6 7 8 9 0 1 2 AR 3 Astronics Test Systems Operating The 1261B Linear 3 9 1261B Linear User Manual Publication No 980844 Rev B Table 3 9 P2 Connector Pinouts for 5 Slot 0 Pin Rowa 5V 2 GND 3 4 24 5 25 6 26 7 27 8 28 9 29 10 11 1 12 GND 13 5V 14 016 15 017 16 018 17 019 18 020 19 D21 20 D22 21 D23 22 GND 23 D24 24 D25 25 5 026 26 027 27 028 28 029 29 030 30 031 31 GND GND 32 SUMBUS 5V Operating The 1261B Linear 3 10 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Basic Functional The functional check consists of checking the 1261B power supply voltages to the VXIbus limits at rear panel connector J418 using a Check digital voltmeter Referring to Table 3 10 connect one lead of the voltmeter to a supply pin at J418 Connect the reference lead of the voltmeter to one of the ground pins Compare each voltage reading to the values listed in Table 3 10 Table 3 10 Power Supply Voltages at J418 J418Pin Supply VXI Acceptable
39. No 980844 Rev Astronics Test Systems 1261B Linear User Manual The difference between the Condition Register and the Event Register is that the Event Register holds latched status information while the Condition Register holds the present 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 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 10 1 transition of the Condition Register The Enable Register determines which of the Event Register bits will be passed onto the next level of status reporting The value of the Event Register and Enable Register are logically ANDed together If any of the bits of both registers are set the status
40. Performance VXI Mainframe with Linear Power Supply 115VAC Domestic 407771 03120 1261B Linear EMS High Performance VXI Mainframe with Linear Power Supply includes Enhanced Monitoring System 115VAC Domestic 407771 03112 1261B Linear High Performance VXI Mainframe with Linear Power Supply 220VAC International 407771 13120 1261B Linear EMS High Performance VXI Mainframe with Linear Power Supply includes Enhanced Monitoring System 220VAC International 407771 13112 12601B Linear 12601B Linear Power Supply 7U 12V 10A 407771 14120 12601B Linear 12601B Linear Power Supply 7U Enhanced Monitoring 407771 14112 EMS System 12V 10A Options Available Option 1 Rack Mount Flanges ears w Slides 407389 Option 2 Rack Mount Flange ears w Slides and Door 407390 Option 3 Rack Mount Flange ears w Door 407391 Option 4 Rack Mount Flange ears 407392 Option 721 1 U size Cable Tray total 8U size 407518 001 51 Backplane connector Shields installed Opt 407400 Option 52 Inter module Shield 12ea Opt 407419 1261B Fan Spare Fan Module for EMS units 407375 Module 1261B Fan Spare Fan Module for Non EMS equipped units 407375 001 Module EMS Module Spare EMS Module 405094 001 Astronics Test Systems Getting Started 1 3 1261B Linear User Manual Publication No 980844 Rev B This page was left intentionally blank Getting
41. 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 Available at Readout Front Panel Display VXI Message Based Interface RS 232 interface Default Tolerance limits V nom 8 75 1096 396 accurac VXI Power Supply Temperature Health Available at Status Readout Front Panel Display 1 x 10 Characters VXI Message Based Interface RS 232 interface Absolute Temp 55 Default Tolerance limits AT gt 30 Tamb gt 55 1 5 C accuracy 5 to 85 C range Specifications A 6 Astronics Test Systems Publication 980844 Rev 1261B Linear 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 BVDC max active low Routes to any one of eight backplane TTLTRIG lines default is unconnected Routing delay 50 5 typical Programmable delay range 0 nS to gt 1 Second 31 25 nS resolution synchronization error 31 25 ns Rear Panel Trigger Output TTL level Output active low 74F38 driver with 1K Ohm pull up to 5V Routes from any one of eight backplane TTLTRIG lines or Real Panel Trigger Input default is unconnected Routing delay 50 5 typical Programmable de
42. batteries damage from battery leakage or problems arising from normal wear such as mechanical relay life or failure to follow instructions This warranty is in lieu of all other warranties expressed or implied including any implied warranty of merchantability or fitness for a particular use The remedies provided herein are buyer s sole and exclusive remedies For the specific terms of your standard warranty contact Customer Support Please have the following information available to facilitate service 1 Product serial number 2 Product model number 3 Your company and contact information You may contact Customer Support by E Mail atshelpdesk astronics com Telephone 1 800 722 3262 USA Fax 1 949 859 7139 USA RETURN OF PRODUCT Authorization is required from Astronics Test Systems before you send us your product or sub assembly for service or calibration Call or contact Customer Support at 1 800 722 3262 or 1 949 859 8999 or via fax at 1 949 859 7139 We also be reached at atshelodesk astronics com If the original packing material is unavailable ship the product or sub assembly in an ESD shielding bag and use appropriate packing materials to surround and protect the product PROPRIETARY NOTICE This document and the technical data herein disclosed are proprietary to Astronics Test Systems and shall not without express written permission of Astronics Test Systems be used in whole or in part to solici
43. but is not allowed A string received as a command parameter is invalid 151 Invalid string data A string was received where expected but 144 Character data too long 148 Character data not allowed 150 String data error contained an invalid character e g was not terminated with a quote character 158 String data not allowed A string data element was encountered but is not allowed 200 Execution error EXE An execution error has occurred The EMS cannot determine more specific problem with the error see errors 201 to 299 below 210 Trigger error is known considerations was ignored since another measurement was already 211 Trigger ignored 212 Arm ignored 213 Init ignored ME ME ME ME ME D DE DE D DE DE Legal command parameter received but could not be executed because doing so would place the device in an invalid state 221 Settings conflict 222 Data out of range Command data parameter is out of range 223 Too much data Block expression or string type received contained too much data 224 parameter value The parameter value is not from list of possible values 240 Hardware error XE An unspecified hardware error prevented proper execution of the command pp The command failed because a hardware option was not installed 300 Device specific error DDE A generic device specifi
44. bytes of the EEPROM do not match the expected fixed pattern of AAAA5555 hexadecimal The actual value read from the EEPROM is shown as 8 hexadecimal digits enclosed in parentheses This error may be returned if the TST command returns a value of 5 EEPROM Alarm Data Corrupt Address 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 four hexadecimal digits This error may be returned if the 5 command returns a value of 5 EPROM 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 5 command returns value of 5 Using The Enhanced Monitoring System 4 44 Astronics Test Systems Publication 980844 Rev Astronics Test Systems 1261B Linear User Manual 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 5 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 fa
45. slot 4 temp rise alarm TEMP 6 ALARM TIME slot 5 temp rise alarm 7 ALARM TIME slot 6 temp rise alarm TEMP 8 ALARM TIME slot 7 temp rise alarm TEMP 9 ALARM TIME slot 8 temp rise alarm TEMP10 ALARM TIME slot 9 temp rise alarm TEMP11 ALARM TIME slot 10 temp rise alarm TEMP 12 ALARM TIME slot 11 temp rise alarm TEMP13 ALARM TIME slot 12 temp rise alarm TEMP14 ALARM TIME ambient temperature alarm ALARM TIME VXI SYSFAIL alarm VXI ACFAIL ALARM TIME VXI ACFAIL alarm M TIME VXI IACK1 alarm TIME VXI IACK2 alarm TIME VXI IACK3 alarm M TIME VXI IACK4 alarm VXI IACK5 ALARM TIME VXI IACK5 alarm VXI IACK6 ALARM TIME VXI IACK6 alarm VXI IACK7 ALARM TIME VXI alarm Using The Enhanced Monitoring System 4 34 Astronics Test Systems Publication 980844 Rev IEEE 488 2 Common Commands IDN Query RST Command TST Query Astronics Test Systems 1261B Linear User Manual VX1I 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 nonvola
46. 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 15 1261B Linear User Manual 2 5 5 0155 52 55558535 3 SoEoS 88528528 7 6 5 4 3 2 10 roO lt S 8 _ 7 6 5 4 3 2 4 0 Service Request Generation Logicai OR Publication No 980844 Rev B Standard Event Status Register ESR Queue Not Empty Standard Event Status Register ESE ESE Output Queue read by Serial Poll Unum Status Byte Register read by STB Service Request Enable Register SRE value SRE Figure 4 2 Event and Enable Registers and Summary Bit Generation The Enable Registers for each attribute may be set with the following commands arbitrary register values are shown STAT QUES VOLT ENAB 127 Voltage Enable STAT QUES TEMP ENAB 7 Enable STAT QUES TIME ENAB 15 Elapsed Time Enable QUES FREQ ENAB 15 Fan Speed Enable STAT QUES VXI ENAB 255 VXI Enable Using The Enhanced Monitoring System 4 16 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Each of the monitored attributes have an Event Register and an Enable Register For each attribute the r
47. temp rise SENSE TEMP11 RANGE UPPER 11 0 Slot 10 temp rise SENSE TEMP12 RANGE UPPER 10 0 Slot 11 temp rise SENSE TEMP13 RANGE UPPER 8 0 Slot 12 temp rise Each of the commands has an associated query which may be used to read the present upper limit for the VXI slot temperature rise For example the command SENSE TEMP11 RANGE UPPER reads the presently programmed upper limit for the temperature rise in VXI slot 10 Refer to Table 5 2 for a description of a range of values accepted for this command 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 IACK2 IACK7 Using The Enhanced Monitoring System 4 9 1261B Linear User Manual Publication No 980844 Rev B Programming an upper limit for any of these events results in all other events being ignored by the EMS The following commands may be used to set the upper limit for either the Bus Error or IACK events SENSE VXI BERR LIMIT 255 set BERR limit SENSE VXI IACK1 LIMIT 128 set IACK1 limit SENSE VXI IACK2 LIMIT 233 set limit SENSE VXI IACK3 LIMIT 1 set IACKS limit SENSE VXI IACK4 LIMIT 2 set IACK4 limit SENSE VXI IACK5 LIMIT 3 set IACKS limit SENSE VXI
48. that the 1261B Linear does not allow a range selection HI or LO as is the case with the standard 1261B EMS The 1261B Linear EMS is factory configures for HI range at J14 on the EMS and must remain in HI range at all times for proper operation HI Range Variable Settings Figure 2 3 Fan Speed Setting Omit the following procedures if your mainframe is not equipped with the Enhanced Monitoring System EMS The EMS module is a statically configurable SC device as described in VXlbus Specification 1 4 Sections C 2 1 1 1 and F 1 When the 1261B is shipped with the EMS the VXI Logical Address is set to address 13 decimal Refer to Figure 2 13 to change the logical address of the EMS module Configuring The 1261B Linear 2 4 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual EMS Rear Panel Examples CH E x LM m m a m Address Address Address 128 Decimal 2 Decimal 15 Decimal Figure 2 4 Setting The Enhanced Monitor VXI logical Address Omit this procedure if your mainframe is not equipped with the Enhanced Enhanced Monitoring System EMS Monitor Configuration Switch Astronics Test Systems Configuring The 1261B Linear 2 5 1261B Linear User Manual PUBLICATION No 980844 Rev B NOTE Perform this procedure only if factory default setting is incompatible w
49. the power supply voltage tolerance limits SENSE VOLT1 RANGE UPPER 5 2 5 upper limit SENSE VOLT1 RANGE LOWER 4 8 5 lower limit SENSE VOLT2 RANGE UPPER 5 0 5 2V upper limit SENSE VOLT2 RANGE LOWER 5 4 5 2V lower limit SENSE VOLT3 RANGE UPPER 1 8 2V upper limit SENSE VOLT3 RANGE LOWER 2 2 2V lower limit SENSE VOLT4 RANGE UPPER 25 9 24V upper limit SENSE VOLT4 RANGE LOWER 23 1 24V lower limit SENSE VOLT5 RANGE UPPER 23 1 24V upper limit SENSE VOLT5 RANGE LOWER 25 9 24V lower limit SENSE VOLT6 RANGE UPPER 12 9 12V upper limit SENSE VOLT1 RANGE LOWER 11 1 12V lower limit SENSE VOLT7 RANGE UPPER 11 1 12V upper limit SENSE VOLT7 RANGE LOWER 12 9 12V lower limit Each of these commands has an associated query For example the query SENSE VOLT5 RANGE LOWER reads the lower voltage tolerance limit for the 24V Power Supply Refer to Table 5 2 for a description of a range of values accepted for this command This feature is not available in the 1261 Using The Enhanced Monitoring System 4 7 1261B Linear User Manual Publication No 980844 Rev B Programming The The fan speeds are
50. to engage Tighten the captive thumbscrew to secure the fan filter frame On rackmount mainframe only engage the hooks on rear of fan cover assembly with the slots in the rear of the fan assembly Push up to seat and secure with hardware removed in Step 1 Maintenance 7 5 Publication 980844 Rev 1261B Linear User Manual Filter Frame Above the Filter Filter Frame Screw OO D 22425050 R gt 2562525 22525526 2252525 Cm 55525252 22525225025 LILIE ZZS LOSER Fan Assemby Screws 4 Module Fan Assembly With Filter Figure 7 2 Module Fan Assembly Detail Fan Assembly Gc j Astronics Test Systems B 1 Figure 7 3 Aligning The Module Fan Assembly Fan Assembly Tabs Maintenance 7 6 Publication 980844 Rev 1261B Linear User Manual This procedure applies to the Standard Monitoring System Removal and module and the Enhanced Monitoring System EMS module Replacement of Refer to Figures 7 7 and 7 8 while following the steps below The System Monitor Captive Thumb Screws
51. 00000 27 SP 180 CB SHIPPING CARTON EA 1 00000 28 SP 199 CD FOAM EA 1 00000 29 SP 200 CB CARTON BOX EA 1 00000 30 SP 204 CD FOAM EA 1 00000 32 980844 MANUAL USER 1261B LINEAR EA 1 00000 Astronics Test Systems Maintenance 7 19 1261B Linear User Manual Publication No 980844 Rev B Assembly 407771 03112 1261B LINEAR P S 7U CHAS EMS Date 12 06 99 Revision A Component Description U M Qty Reqd Ref 980844 MANUAL USER 1261B LINEAR EA 1 00000 1 405091 002 PCB ASSY DISPLAY ENHANCED DEA 1 00000 2 405094 PCB ASSY ENHANCED MONITOR DEA 1 00000 3 407375 FAN ASSY 12618 D EA 1 00000 4 407378 ENCLOSURE ASSY 1261B D EA 1 00000 5 407702 REAR PANEL ASSY 1261B D EA 1 00000 6 407703 PWR SUPPLY ASSY 3U VXI LIN D EA 1 00000 7 407704 001 CABLE ASSY 1261BL5 P416 P416 D EA 1 00000 8 407704 002 CABLE ASSY 1261BL5 P417 P417 D EA 1 00000 9 456271 COVER CARD GUIDE MOLDED D EA 6 00000 10 456341 FOOT REAR D EA 4 00000 11 456352 COVER TOP D EA 1 00000 12 456353 COVER BOTTOM D EA 1 00000 13 456376 002 OVERLAY FRONT PANEL DISPLAY DEA 1 00000 14 456379 PANEL CONNECTOR FILLER DEA 1 00000 15 602262 CORD POWER 15A 1261B 320 C1S DEA 1 00000 16 602235 SWITCH ROCKER SNAP IN EEA 1 00000 100 17 611327 RVT PP PAN 250DX 240 EEA 2 00000 W ITEM 14 18 615558 SIM PFL1H006 32X 375 D EA 4 00000 W ITEM 12 19 616251
52. 1 WALI HOLIMS 001 01 97 960509 WOU NOILOSNNOO 834 3SIMH3H1O 55 5310 ONOJ ONO3USd ASNE ONO3USd 1 v HEt 12207 ws Maintenance 7 23 Astronics Test Systems 1261B Linear User Manual Publication No 980844 Rev B gt lt EI E i EL l T TE Ni ov E ER 5 zog gi s S gt 5 L 6 N Maintenance 7 24 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual P5R350 1 LBMC 1 Product Structure Report 2 14 01 By Assembly Balloon No Assembly 407771 13120 Low Level Cd U N EA 1261B LINEAR P S 7U INTL D Rev Date 1 22 01 Revision
53. 1261B Linear User Manual Chapter 1 GETTING STARTED Product 1261B Linear is a Linear Powered VXlbus mainframe The ane linear supply is located in a separate 3U tall box 407703 100 Description 115VAC or 407703 001 220VAC with cable assemblies 407704 XX1 and 407704 XX2 providing the power and control interface Key Features Astronics Test Systems Low Noise Linear Power Supply The 1261B Linear VXI power supplies are ideal for demanding applications such as and microwave systems where the switching power supply noise interferes with sensitive measurements or circuits 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 Visual System Health Status Indication 12618 system monitor gives you key system health status Voltage Airflow and Temperature on the front panel display Monitored parameters include temperature rise on each slot fan speed and power supply voltage Enhanced Monitoring The optional micro controller based Enhanced Monitoring System EMS adds a fully VXlbus compliant message based interface an auxiliary RS 232 port and VXIplug amp play drivers The alpha numeric display that comes with the EMS provides detailed system status messages Modular Power Supply Fans and Monitor The 1261B modular system design results in a mainframe with low MT
54. 20 C15 EA 1 000 16 602235 SWITCH ROCKER SNAP IN EA 1 000 17 611327 RVT PP PAN 250DX 240 EA 2 000 18 615558 S1M PFL1H006 32X 375 EA 4 000 19 616251 5 004 40 250 3 000 20 616253 S3M PPANH004 40X 375 EA 6 000 21 616257 5 006 32 500 4 000 22 617103 W1F006 312D 028T 147 EA 8 000 23 618112 S1F PPANHO006 20X 500 EA 8 000 24 920962 LOCTITE 242 MED STR EA 25 921515 FOOT BUMPER 38 HIGH x 77 DIA EA 4 000 27 SP 180 CB SHIPPING CARTON EA 1 000 28 SP 199 CD FOAM EA 1 000 29 SP 200 CB CARTON BOX EA 1 000 30 SP 204 CD FOAM EA 1 000 31 050000 000 RSCH 1 000 00H 06W005 EA 1 000 35 980844 MANUAL USER 1261B LINEAR EA 1 000 Maintenance 7 32 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Specifications Appendix A SPECIFICATIONS This chapter contains the complete specifications for the 1261B Mainframe Table A 1 AC Input Specifications Characteristic Description Input Voltage Range 115 Vams 10 Domestic 220 10 International Input Frequency Range 47 Hz to 63 Hz Power Consumption 1130 W Power Supply 190W Mainframe Fuse Rating 115VAC Operation 3AG Slow Blow 250VAC 15A Power Supply 3AG Slow Blow 250VAC 3A Mainframe 220VAC Operation 5X2Ohm 10 250VAC 5X2Ohm 1 5A 250VAC Power Disconnect Power cord provides main power disconnect at J400 Astronics Test Systems Spe
55. 53M PPANH004 40X 250 EEA 3 00000 W ITEM 1 20 616253 53 4 40 375 EEA 6 00000 W ITEM 5 21 616257 53M PPANHOO06 32X 500 E EA 4 00000 W ITEM 25 22 617103 W1F006 3120 028T 147 EEA 8 00000 W ITEM 10 23 618112 51 6 20 500 DEA 8 00000 W ITEM 10 24 920962 LOCTITE 242 MED STR DEA 00001 W ITEM 18 25 921515 FOOT BUMPER 38 HIGH x 77 DIA EEA 4 00000 W ITEM 12 27 SP 180 CB SHIPPING CARTON EA 1 00000 28 SP 199 CD FOAM EA 1 00000 29 SP 200 CB CARTON BOX EA 1 00000 30 SP 204 CD FOAM EA 1 00000 31 050000 000 RSCHI 000 00H 06w005 EEA 1 00000 W ITEM 2 Maintenance 7 20 Astronics Test Systems 1261B Linear User Manual 2 5 v 4 9 2 8 V 122707 56212 AZ S d 81921 5 SLYVd 5 335 O w _ gt CETO ONiddIHS 340439 01 0334S Nv4 136 5 OL S39v 1d 02 SLOVINOO OL NOILNTOS 1AdOHdOSI AlddY SWALI 18 1855 TANVd 91921 JO HOLO3NNOO 254 JO NOLLH3SNI OL lt WALI AIGWASSY 91921 JO 1 4 960907 LHVd SLN3INDIH LSNI 18 1365 804 050 6 S WALI 18 1856 TA
56. 62 LOCTITE 242 MED STR D EA 00001 W ITEM 18 25 921 51 5 FOOT BUNPER 38 HIGH x 77 E EA 4 00000 W ITEM 12 26 611323 CLP CA STD N ACN A E EA 1 00000 27 5 180 1 00000 28 SP 199 CD FOAM EA 1 00000 29 5 200 1 00000 30 SP 204 CD FOAM EA 1 00000 32 980844 MANUAL USER 1261B LINRAR EA 1 00000 Astronics Test Systems Maintenance 7 25 1261B Linear User Manual PSR350 1 LRMC Product Structure Report Publication No 980844 Rev B 1 2 14 01 Assembly Balloon No Assembly 407771 13112 Low Level Cd U N EA 12615 LINEAR P S 7U INTL EMS D Rev Date 01 Revision A Component Description U N Qty Reqd Engineer Txt 1 405091 002 ASSY DISPLAY ENHANCED D 1 00000 2 405094 PCB ASSY ENHANCED MONITOR D EA 1 00000 3 407375 FAN ASSY 1261B D EA 1 00000 4 407378 ENCLOSURE ASSY 1261B D 1 00000 5 407702 001 REAR PANEL ASSY 12618 D 1 00000 6 407703 001 PWR SUPPLY ASSYiINTL VXI LIN D 1 00000 7 407704 001 CABLE ASSY
57. 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 VXI ACFAIL read line MEAS VX1 SYSFAIL read SYSFAIL line MEAS VXI ASTROBE read AS line Each of these queries causes the 12618 EMS to reply with a 1 if the line is high or a 0 if the line is low Note that since each of these lines is asserted when low the normal reply should be 1 Using The Enhanced Monitoring System 4 5 1261B Linear User Manual Monitoring The VXI System Programming The Tolerance Limits Publication No 980844 Rev B The 1261B EMS has the ability to monitor the VXI power supplies voltage VXI slot temperatures fan speeds and select VXI signals When one of these is outside the user specified limits an interrupt can be generated This allows the system controller computer to effectively monitor the VXI subsystem without having to continually poll the 1261B EMS Each attribute is checked once per second at a minimum by the EMS If the attribute value is outside the programmed limits an alarm condition is assumed to exist If the EMS has been told to generate an interrupt when the alarm condition exists an interrupt will be sent
58. F MON TRIG DELAY 0 5 Query the trigger delay by executing VXI CONF TRIG DELAY Astronics Test Systems Publication 980844 Rev Query Response Format SCPI Command Terminator IEE STD 488 2 Common Commands Astronics Test Systems 1261B Linear User Manual The response to a query depends on the command sent to the instrument to generate the query response In general 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 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 Available command GPIB VXI slot 0 controllers translate the GPIB EOI line to VXlbus protocol which sets the END bit to identify the last character of a command Over the RS 232 interface there is EOI line Therefore ALL commands transmitted over the RS 232 interface must be terminated with the ASCII newline character IEEE STD 488 2 standard defines a set of common
59. IL T 28800E Type III Class 5 Style E or F Temperature Operating 0 C to 50 C Non operating 40 C to 85 C Altitude Operating 10 000 ft Non operating 15 000 ft Sine Vibration Operating 0 013 double amplitude 5 55Hz Non operating Functional Shock Operating Half sine 30 g 11 ms duration Acoustic Noise 56dBA max Table A 6 Backplane Bus Grant Interrupt Acknowledge Solid state auto configuring jumper less VXIbus CLK10 Distribution Full differential Table A 7 Mechanical Characteristic Description Overall Dimensions Mainframe Power Supply Height 12 22 in 31 0 cm 5 22in 13 26cm Wiath 17 38 in 44 1 cm 19 00in 48 26cm Depth 23 68 in 60 1 cm 27 78in 70 56cm Weight 7U Mainframe Mainframe 46 16 20 7 kg Power Supply 100 Ibs 45 5kg Astronics Test Systems Specifications A 5 1261B Linear User Manual Publication No 980844 Rev B Table A 8 EMS Monitoring System Specifications Typical Characteristics Description Auxiliary Rear Panel DC Voltage Outputs Voltage Current 5 V 1 Amp maximum Self Healing Fuse 12 1 Amp maximum Self Healing Fuse 24 V 1 Amp maximum Self Healing Fuse Maximum slot temperature Tmax Rear 100 mV per C 0 C corresponds to 0 V output Panel Output Voltage 1 5 accuracy 5 to 85 C range Fan Speed Control OV Minimum fan speed 1V Maximum fan speed 1 5 C accuracy 5 to 85 C range Fan Speed TACH
60. NVd JO 1 16 340439 V 229008 1H Vd 3HVMLJOS NMOHS A131VWIXOHddV 3HVMLJOS 3009 3000AQVHg8 VIVO LN3NLLB3d 148 1 3905 LNIBd LOLHO OL 01 09 960507 LHM 10180 OL 6 09 560509 SMOTIOJ SV L WALI 1019 OL OSf S60S0 5 38 OL 92 GNVSI 6SWALL 2 21 0015 OL S Sf S60SOr 1 0015 OL 6 5 56050 SV 91 WALI HOLIMS 0015 OL 9 96080 NOLLO3NNOO Publication 980844 Rev ON Had 703110345 3SIMH3HIO 559 1 SALON ON O3 ON ON ON INSANOOG ava 021811220 v 5 9 4 8 Astronics Test Systems 1261B Linear User Manual Publication No 980844 Rev B 8 lt 2 5 NE Ex 5 8 OF 813 E 5 8 x E SERE 5 eG 2 18 gt
61. SFAIL SYSFAIL line asserted Programming The RS 232 Interface Programming The Baud Rate Each of these messages will be flashed on the display more than one out of tolerance condition is detected each status message will be displayed in a round robin fashion The EMS includes an RS 232 interface which may be used to send commands and receive replies RS 232 interface operates at one of four baud rates 1200 2400 4800 or 9600 It supports 7 or 8 data bits even odd or no parity and 1 or 2 stop bits The default baud rate data bits stop bits and parity are selected using DIP switch SW1 These settings will be used upon power on or upon reset Consult the configuration diagram in section 2 of this manual for switch settings of SW1 The baud rate data bits stop bits and parity may be programmed using commands over the VXIbus or over the RS 232 interface The baud rate may be programmed using the command SYSTEM COMM SERIAL BAUD baud rate where baud 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 30 Astronics Test Systems Publication 980844 Rev Programming The Number of Data Bits Programming The Parity Programming The Number of Stop Bits Illeg
62. Speed 2 4 Figure 2 4 Setting The Enhanced Monitor VXI logical 2 5 Figure 2 5 Setting the Enhanced Monitoring System Configuration 2 6 Figure 2 6 Setting Up The Enhanced Monitoring System RS 232 Interface 2 8 Figure 2 7 RS 232 Connection With a Computer Data Terminal or Modem 2 10 3 1 Erorib 3 2 Figure 3 2 Rear View Connections 3 3 Figure 4 1 Voltage Condition 0 4 4 12 Figure 4 2 Event and Enable Registers and Summary Bit 4 16 Figure 4 3 Status Reporting 22 244444 47 4 4 4 19 Figure 6 1 Functional Block Diagram For 1261B Linear 6 2 Figure 6 2 Enhanced Monitoring System Module Block Diagram 6 5 Figure 7 1 Cleaning The Module Fan 7 3 Figure 7 2 Module Fan Assembly 00444288881 0 7 6 Figure 7 3 Aligning The Module Fan 0 nnne 7
63. Started 1 4 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Chapter 2 CONFIGURING THE 1261B Linear Using This Chapter AC Mains Power Site Considerations Installing VXI Modules Astronics Test Systems This section includes procedures to install and configure the 1261B mainframe Use this chapter to e Review installation site considerations e Install VXI modules card guide covers or optional blanking plates e Configure and connect to the optional Enhanced Monitoring System EMS module The 1261B Linear is configured for the appropriate AC operation 115VAC or 220VAC when shipped Should it be necessary to replace the AC mains fuse F400 on the supply or mainframe refer to Chapter 7 Removal and Replacement of The AC Mains Fuses The 1261B Mainframe is designed to operate on a bench or in an instrument rack If 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 Install C size modules directly into the mainframe by first placing the module s card edges into the front module guides top and bottom Slide the module to the rear of the mainframe until the module connectors mate solidly with the backplane connectors Secure the module s front panel to the mainframe using the module s front panel mounting screws The easiest way to install B size modules is with a B to C size adapter al
64. TR and high MTBF Variable Recess Rack Mounting Adjustable rack mount ears provide variable 0 625 inch increments recess rack mounting capability 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 Getting Started 1 1 1261B Linear User Manual Publication No 980844 Rev B Items Shipped With The 1261B Linear USA 115VAC P N 407771 03120 amp 407771 03112 included with manual Qty Item Part Number 1 Power Interface Cable P416 407704 1 1 Power Interface Cable P417 407704 XX2 1 Linear Power Supply 407703 100 1 Instruction Manual 980844 2 Power Cable 602262 6 Card Guide Covers 456271 1 VXIplug amp play Software Driver WIN95 WINNT 921511 International 220VAC P N 407771 13120 amp 407771 13112 included with manual Getting Started 1 2 Qty Item Part Number 1 Power Interface Cable P416 407704 1 1 Power Interface Cable P417 407704 XX2 1 Linear Power Supply 407703 001 1 Instruction Manual 980844 2 Power Cable 602269 6 Card Guide Covers 456271 1 VXIplug amp play Software Driver WIN95 WINNT 921511 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Ordering Information Ordering Information Model 7U Mainframe and 3U Power Supply Part Number 1261B Linear High
65. The Enhanced Monitoring System 4 17 1261B Linear User Manual Publication No 980844 Rev B The Questionable Event Register contains the latched status of all of the attribute summary bits This means that a bit in the Questionable Event Register is set when the corresponding bit of the Questionable Condition Register transitions from 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 18 Astronics Test Systems Publication No 980844 Rev 1261B Linear User Manual VXI Voltage Status 0 VXI 5 2V Voltage Status 1 VXI 2V Voltage Status 2 VXI 24V Voltage Status 3 24V Voltage Status 4 VXI 12V Voltage Status 5 VXI 12V Voltage Status Event Error Queue 8 9 10 11 12 Summary of 13 ollage Events 15 0 0 Summary of VXI 5 2V Current Status 1 IEEE 488 2 VXI 2V Curr
66. VOLT ENABLE 72 Enable 12V and 12V Power Supply Current STAT QUES CURR ENABLE 96 Enable VXI Slot 7 Temperature Rise Using The Enhanced Monitoring System 4 21 1261B Linear User Manual Publication No 980844 Rev B 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 If the Voltage Summary bit bit O is set then read the Questionable Voltage Event Register to determine which supply 15 out of tolerance The Questionable Voltage Event Register may be read with the STAT QUES VOLT EVENT query If the Current Summary bit bit 1 is set read the Questionable Current Event Register to determine which supply is out of tolerance The Questionable Current Event Register be read with the STAT QUES CURR EVENT register If the Temperature Summary bit bit 4 is set it must be caused by VXI slot 7 temperature rise since that is the only slot enabled in this example If the Frequency Su
67. Y 809 HOLINOW CHONVHNH NO 12 NELI 5 HLM 024 30v HH NOLEOJ IH 8 2 OL NO t If EEANN 15 ASSY 808 HQLINOW HO 5 3HO EH GHIS CH9 9va 38 OL 92 6 SNAU 2 21 0015 Q lt 5 56050 1 0015 0 6060 91 WAL 6 0015 QL 57 56050 WOH NOILOENNOO ON O88 SIIN SALON Maintenance 7 17 a ON ON ESE ON G BE ON EB EVI TONON DO NOAH OE Publication 980844 Rev L 21180 14407 5 9 4 8 Astronics Test Systems 1261B Linear User Manual Publication No 980844 Rev B a 8 TON 8 R Me I 3 N ii HE E s Bt E 9 ER c N Bd 11H gt 79 wo SARS _ Gams N Maintenance 7 18 Astronics Test Systems Publication 980844 Rev Assembly 407771 03120 1261B LINEAR P S 70 CHASSIS 1261B Linear User Manual Date 12 06 99 Revision A
68. abled 1 year 5 years 720 hours of power on time 30 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 Astronics Test Systems Publication 980844 Rev What To Do Now Measuring Power Supply Voltages Measuring Ambient Temperature Astronics Test Systems 1261B Linear User Manual When writing commands to operate the 1261B EMS follow the instructions in this chapter to understand the meaning and response that each command generates Examples contained in the following paragraphs show basic techniques on how to program output waveforms The MEAS VOLT command is used to measure the voltage presently being output by one of the seven VXI power supplies The following commands may be used MEAS VOLT1 measure 5V PS Voltage EAS VOLT2 measure 5 2V PS Voltage MEAS VOLT3 measure 2V PS Voltage EAS VOLT4 measure 24V PS Voltage MEAS VOLT5 measure 24V PS Voltage EAS VOLT6 measure 12V PS Voltage EAS VOLT7 measure 12V PS Voltage Each of these causes the 1261B EMS to reply with a value formatted as a real number The number is rounded to the nearest 0 01 VDC The MEAS TEMP14 command is used to measure the ambient temperature MEAS 1 4 measure ambient temperature This command causes the 1261B EMS to reply
69. ad 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 1261B Linear User Manual The MIN MAX and DEF Parameters Querying Parameter Setting SCPI Command Reference 5 4 Publication No 980844 Rev B Each of these has a long form and a short form Thus MEAS VOLTAGE2 MEAS VOLT2 are equivalent Omitting the keyword suffix selects the same capability as specifying the suffix of 1 This means that MEAS VOLTage MEAS VOLTagel are equivalent Substitute MAXimum DEFault in place of a numeric parameter for most commands For example the following command VOLTAGE3 RANGE UPPER MIN sets the upper voltage range for the 2V power supply monitor to its minimum programmable value The command VOLTAGE3 RANGE UPPER DEE sets the upper voltage range for the 2V power supply monitor to its default power on value The MINimum MAXimum and DEFault keywords are accepted for all SENSE lt Attribute gt RANGE commands the VXI CONF MON TRIG DELAY command Query the current value of most parameters by adding a question mark to the command For example the following command sets the trigger delay to 0 5 seconds VXI CON
70. al RS 232 Interface Combinations Astronics Test Systems 1261B Linear User Manual The number of data bits may be programmed with the command SYSTEM COMM SERIAL BITS lt data bits gt where lt data bits gt will either be 7 or 8 The presently programmed number of data bits may be read with the query SYSTEM COMM SERIAL BITS 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 SERIAL PARITY 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 SERIAL SBITS lt stop bits gt where lt stop bits gt will either be 1 or 2 presently programmed number of stop bits may be read with the query SYSTEM COMM SERIAL SBITS The following combinations of parity data bits and stop bits are NOT supported No parity 7 data bits 1 stop bit Even parity 8 data bits 2 stop bits Odd parity 8 data bits 2 stop bits Using The Enhanced Monitoring System 4 31 1261B Linear User Manual Publication No 980844 Rev B an attempt is made to program one of these combinations the command wi
71. an speed values and to verify limits Refer to Chapter 4 Check for restrictions to airflow at mainframe intake and exhaust Clean mainframe module cooling fan filter Maintenance 7 13 1261B Linear User Manual Publication No 980844 Rev B 407771 03120 407771 03112 407771 03120 407771 03112 407771 13120 407771 13112 407771 13120 407771 13112 407771 04120 407771 04112 Maintenance 7 14 Assembly Drawings 1261B Linear Enclosure 7 15 1261B Linear W EMS Enclosure 7 17 1261B Linear Paris 1 515 eate en mat or aate nca o ln 7 19 1261B Linear W EMS Parts 5 o te oh a ord e 7 20 1261B Linear Enclosure 7 21 1261B Linear W EMS Enclosure 7 23 1261B Linear Parts Lists rh a pua ph deck 7 25 1261B Linear W EMS Parts 7 26 1261B Linear Enclosure Assembly 12 10 7 27 1261B Linear Enclosure Assembly W EMS 12V 10A 7 30 Astronics Test Systems 1261B Linear User Manual L v Y S 2 8 1 0 1 0 56212 SESVHO NZ SdHuvaNTal9ezL 16 585 0 ON EEE ON
72. apse 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 MEAS TIME3 command This command calculates the difference between the present value of the power on clock and a reference time stored in an EEPROM on the EMS After the SENSE TIME3 RANGE UPPER time has elapsed the Filter Service Alarm is generated This alarm will set bit 2 of the Questionable Time Condition and Event Registers See Table 4 5 These registers be read using STATUS QUES TIME COND STATUS QUES TIME EVENT queries respectively Bit 2 of the Questionable Time Event register will cleared 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 MEAS TIME3 command the MEAS TIME3 command will return a value of 0 Using The Enhanced Monitoring System 4 20 Astronics Test Systems Publication 980844 Rev Change of Limit for Filter Service Alarm Example
73. ar 3 3 1261B Linear User Manual Publication No 980844 Rev B Refer to Figures 3 1 to 3 2 while using Table 3 1 to interpret Monitoring system monitor information This section applies to basic features Basics of the Enhanced EMS Monitoring System 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 message System Table 3 1 Monitoring Basics WHAT YOU SEE ON THE FRONT PANEL WHAT IT MEANS WHERE TO VERIFY System OK VXI Voltages are within acceptable At rear panel connector limits J418 4 56 5VRail 5 50V J418 Pin 3 10 95 12V 13 20V J418 Pin 2 21 90V 24V Rail 26 40V J418 Pin 9 2 20V 2V Rail 1 83V J418 Pin 12 5 72V 5 2V Rail 4 75V J418 Pin 4 13 20V 12V 10 95V J418 Pin 10 26 40V 24V Rail 21 90V J418 Pin 1 Use J418 Pin 7 or 11 as Ground reference System OK Maximum slot temperature 75 Query the EMS Refer to Measuring VXI Slot 20 4 Maximum slot temperature rise System Module cooling fans are operating J414 Pin 6 7 8 EMS above acceptable limit 2 Pulses per Revolution Fan Speed 2000 RPM EMS TTL Pulse Train it units Use 9414 Pin 9 10 as ground reference Operating The 1261B Linear 3 4 Astronics Test Sy
74. ar User Manual Programming The Power Supply Current Tolerance Limits 4 7 Programming The Fan Speed Tolerance 4 8 Programming The Ambient Temperature Tolerance 4 8 Programming The VXI Slot Temperature Rise Tolerance Limits 4 9 Programming The VXI Bus Error and IACKn Tolerance 4 9 Reading The VXI Bus Error and IACKn 5 4 10 Clearing The VXI Bus Error and IACKn 4 11 Enabling and Disabling The Current Sharing Feature 2 4 11 Generating an Interrupt When an Alarm Condition is Detected 4 11 Clearing The Filter Service 444401540 4 20 Change of Limit for Filter Service Alarm Example 4 21 Interrupt Generation Example bat odd du east ende hal 4 21 Programming The Trigger SUDSVSIOITI 4 23 Connecting The TRIG IN Input TTLTRIG 4 23 Connecting The TRIG OUT Output a TTLTRG 9 4 24 Programming a Trigger Delay Time Eo Rep eet eher tuer beara A 4 25 Selecting The Trigger Delay
75. ardguide Configuring The 1261B Linear 2 2 Astronics Test Systems Publication No 980844 Rev 1261B Linear User Manual 5 Lower the front of the director and allow the snap in hook to rest on the cardguide 3 6 With a slotted screwdriver or similar flat bladed tool depress the spring hook 4 at a slight downward angle applying light pressure to the logo area This will cause the snap hook to firmly seat the director into place 7 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 8 Pull forward to release the fixed hooks at the center and rear Installing In order to optimize module cooling performance install optional 2 blank panels P N 404836 into unused or empty slots Secure Blanking Panels with two captive mounting screws Refer to Figure 2 2 Mounting Screws and Bottom Blank Panel Figure 2 2 Blanking Panels Astronics Test Systems Configuring The 1261B Linear 2 3 1261B Linear User Manual Fan Speed Setting Installing the Enhanced Monitoring System EMS Enhanced Monitor VXI Logical Address Switch PUBLICATION No 980844 Rev B The 1261B Linear fan speed may be set to variable or maximum by setting the fan speed switch See Table 3 3 on the EMS rear panel to the appropriate position The 1261B Linear is shipped with variable speed Note
76. ater in this section The Self Test Failed message will continually be displayed until it is cleared This message may be cleared using the following command DISP TEXT CLEAR The self tests may also be initiated with an ASCII command over either the RS 232 or the VXIbus interface The command APOL 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 checksum 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 Using The Enhanced Monitoring System 4 42 Astronics Test Systems Publication 980844 Rev Astronics Test Systems 1261B Linear User Manual 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 4 The EMS programmable interrupt timer has failed its self test 5 One section of the EEPROM failed
77. aved by the EMS software This time stamp indicates the time of the most recent occurrence of an alarm condition for that monitored function The timestamp may be queried by the user via SCPI commands The timestamp includes both time and date information for the alarm Refer to Chapter 4 Using the Enhanced Monitor for complete information TTL pulse train at the speed 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 Switch S3 mounted on the EMS module rear panel allows the user to select between maximum fan speed or variable fan speed Understanding The 1261B Linear 6 7 1261B Linear User Manual Publication No 980844 Rev B This page was left intentionally blank Understanding The 1261B Linear 6 8 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Chapter 7 MAINTENANCE What s in This Chapter Service Strategy Service Interval Preparation Astronics Test Systems This chapter provides procedures for inspecting and cleaning the 1261B removing and replacing mainframe components and i
78. c error which does not match one of the SCPI defined errors in the range 300 to 399 has occurred 310 System error Roe A device defined generic system error has occurred D 311 error D The EMS s memory is corrupted 314 Save recall memory lost DDE The SAV or RCL command has failed due to a corrupted nonvolatile memory 315 Configuration memory lost Configuration information has been lost due to a corrupted nonvolatile memory 330 Self test failed D The self test has failed If this is set at power up execute the TST query to determine what has failed Astronics Test Systems Error Messages B 3 1261B Linear User Manual Publication No 980844 Rev B 350 Queue overflow An attempt was made to add an error message to a full error queue Thus the error queue has overflowed 360 Communication error A communication error has occurred over the RS 232 interface 361 error in program message A parity error has been detected in the command over the RS 232 interface 362 Framing error in program DE A framing error has been detected in the message command over the RS 232 interface overrun DDE DDE DDE D DDE QYE 410 Query INTERRUPTED QYE The query has been interrupted see IEEE 488 2 Sec 6 3 2 3 QYE QY DDE DDE DDE DDE see IEEE 488 2 Sec 6 3 2 2 for a description 430 Query DEADLOCKED E The query has reached a dead
79. cation 980844 Rev 1261B Linear User Manual lina Th After the EMS has been installed into the 1261B mainframe the Instal g VXlplug amp play software be used to communicate with the VXI plug amp play EMS To install the software first power on the mainframe see Software Powering On The Mainframe in Chapter 3 then perform the following operations 1 2 4 Start Windows your computer if it is not already running Insert the VXIp lug amp play installation disk 1 into the 3 1 2 floppy disk drive Run the SETUP program on the installation disk 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 MXI VXI interface a GPIB VXI interface or the computer is an embedded VXI computer VISA is loaded onto your system VISA is a library of functions which provide communication between a computer and instruments GPIB VISA may be obtained the manufacturer of the MXI VXI GPIB VXI or embedded computer The 1261B mainframe has power applied and the power switch has been turned ON 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 Pa
80. cers employees subsidiaries affiliates and distributors harmless against all claims arising out of a claim for personal injury or death associated with such unintended use FOR YOUR SAFETY Before undertaking any troubleshooting maintenance or exploratory procedure read carefully the WARNINGS and CAUTION notices This equipment contains voltage hazardous to RISK ELECTRICAL SHOCK human lite and safety and is capable of inflicting DO NOT OPEN personal injury If this instrument is to be powered from the AC line mains through an autotransformer ensure the common connector is connected to the neutral earth pole of the power supply Before operating the unit ensure the conductor green wire is connected to the ground earth conductor of the power outlet Do not use a two conductor extension cord or a three prong two prong adapter This will defeat the protective feature of the third conductor in the power cord Maintenance and calibration procedures sometimes for operation of the unit with CAUTION 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
81. cifications A 1 1261B Linear User Manual Publication No 980844 Rev B Table A 2 DC Output Power Characteristic Description DC Current Capacity Ime Voltage 24V 12 V 5 2V 5 2 12V 24 V Steady State Current 7 2 10 2 35 18 6 8 7 2 5 STDBY 1 user supplied DC Voltage Regulation Voltage Tolerance V 24 1 2V 720 mV 12 600 mV 360mV 5 250 mV 125 2 100 100 5 2 260 mV 156 mV 12V 600 mV 360 mV 24V 1 2 V 720 mV Load Ripple Noise Voltage Ripple Noise X1 Probe 10mHz Band Width 24 V 12 mV 12 V 12 mV 5 12 mV 2 V 12 mV 5 2 V 12 mV 12V 12 mV 24 V 12 mV Protections Short Circuit Overload 6 8A for 407771 31 Specifications A 2 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Table A 3 Cooling Characteristic Description Per Slot Cooling Capacity Typically over 80 W per slot 0 35 mm 20 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 main
82. commands that perform functions like reset trigger and status operations Common commands begin with an asterisk 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 SCPI Command Reference 5 5 1261B Linear User Manual SCPI Parameter Type Numeric Parameter Discrete Parameter Boolean Parameters SCPI Command Summary SCPI Command Reference 5 6 Publication No 980844 Rev B The SCPI language defines several different data formats to be used in program messages and response messages Commands that require numeric parameters will accept all commonly used decimal representations of numbers including optional signs decimal points and scientific notation Special values for numeric parameters like MINimum MAXimum and DEFault are also accepted Engineering unit suffixes with numeric parameters e g mV KV mA KHz can also be sent If only 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 VOLT1 RANGE UPPER 5 75 Discrete parameters are used to program settings that have a limited number of values e g trigger delay is applied
83. ctions J416 and J417 The monitoring system module mates with the backplane through a board to board connector at J51 Understanding The 1261B Linear 6 3 1261B Linear User Manual Publication No 980844 Rev B The Module Fan assembly located at the bottom rear of the Cooling System mainframe houses three cooling fans The speed of these fans is controlled to maintain a temperature rise of 10 C across any module slot in the mainframe In high ambient temperature conditions of 40 C the fans shall run full speed Filtered air enters at the bottom rear of the 1261B 7U 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 Cooling air is exhausted through the top of the mainframe in the 12618 70 mainframe Cooling The Power The linear power supply assembly 407703 001 100 contains two fans for its own internal cooling Air enters through the rear System of the unit and exits at the front sides after passing through the power supply Enhanced System The Enhanced Monitoring System adds VXIbus 2 0 compliant message based interface alpha numeric display individual Monitor EMS VXIbus voltage and slot temperature reading TTL trigger in outputs with programmable de
84. de screwdriver into fuse carrier slot at F400 on Mainframe or Supply as appropriate and rotate counter clockwise to remove 3 replace fuse insert the fuse carrier and fuse assembly into fuse housing opening for F400 on power supply Use only the appropriate fuse for the mainframe and supply Refer to Table A 1 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 5 remove and replace the card guides The procedure applies to Replacing The top and bottom card guides Card Guides Pry this direction Card Guide Groove Figure 7 7 Card Guide Removal and Replacement Maintenance 7 10 Astronics Test Systems Publication 980844 Rev Troubleshooting The 1261B Linear Astronics Test Systems 1261B Linear User Manual 1 Insert a flat blade screwdriver into the slot in front of the retaining hook 2 Gently pry the tab of the retaining hook to the rear and lift the card guide releasing it at the front 3 Gently pull the card guide forward releasing it from the center and rear retaining hooks Bowing the card guide is required to clear the front rail 4 replace align the card guide with the mainframe front ensuring that the V groove is at the front 5 Gently push down to the rear to engage the hooks at the rear and middle of the card guide Bowing the ca
85. e 5 2 Defaults Minima and Maxima Maximum 5V PS voltage upper tolerance 5V PS voltage lower tolerance 5 2V PS voltage upper tolerance 5 2V PS voltage lower tolerance 2V PS voltage upper tolerance 2V PS voltage lower tolerance 24V PS voltage upper tolerance 24V PS voltage lower tolerance 24V PS voltage upper tolerance 24V PS voltage lower tolerance 12V PS voltage upper tolerance 12V PS voltage lower tolerance 12V PS voltage upper tolerance 12V PS voltage lower tolerance All Fans upper RPM tolerance All Fans lower RPM tolerance Ambient temperature upper tol VXI slot temp rise tol Power On elapsed time limit Cumulative power on time limit Filter service power on time limit 255 IACKn limit lt X gt 1 to 7 255 VXI Bus Error limit 1048575968 75 The 1261B EMS conforms to the 1994 0 version of the SCPI standard Some of the commands used are not included in the 1994 0 version However these commands are designed with the SCPI standard in mind and they follow all of the command syntax rules defined by the standard Table 5 1 lists all device specific commands that were designed specifically for the EMS as Not Confirmed to the 1994 0 SCPI version SCPI Command Reference 5 10 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Chapter 6 UNDERSTANDING THE 1261B Linear Overview Power Supply Power Supply Interconnection Astronics Test Systems
86. e ON position See Powering On The 1261B Linear in Chapter 3 Unplug AC mains power and check all fuses 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 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual PROBLEM POSSIBLE CAUSES WHAT TO DO Voltage alarm condition Temperature alarm condition Airflow alarm condition Astronics Test Systems Faulty VXI module installed or voltage fault occurred VXI supply is out of tolerance Module temperature rise or max ambient limit exceeded or Insufficient module cooling air Fan speed tolerance limit exceeded 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 Check T and Tmax outputs at rear panel Check for restrictions to airflow at mainframe intake and exhaust Check fan TACH outputs at rear panel Query EMS to check ambient temperature slot temperature rise and fan speed to verify values and limits Refer to Chapter 4 Clean mainframe module cooling fan filter Check fan TACH outputs at rear panel Query EMS to check f
87. e 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 Using The Enhanced Monitoring System 4 33 1261B Linear User Manual Publication No 980844 Rev B 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 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 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 TEMP 1 ALARM TIME slot 0 temp rise alarm TEMP 2 ALARM TIME slot 1 temp rise alarm TEMP 3 ALARM TIME slot 2 temp rise alarm TEMP 4 ALARM TIME slot 3 temp rise alarm TEMP 5 ALARM TIME
88. ect 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 MONITOR TRIG OUTPUT TTLTRG5 VXI CONF MONITOR TRIG OUTPUT TTLTRG6 VXI CONF MONITOR TRIG OUTPUT ITLTRG7 MONITOR TRIG OUTPUT NONE VXI CONF MONITOR TRIG OUTPUT INPUT The first eight commands above connect the TRIG OUT output to TTLTRGO through TTLTRG7 respectively ninth command disconnects the TRIG OUT output from all of the TTLTRG lines The last command connects the TRIG IN input to the TRIG OUT output without affecting any of the TTLTRG lines In this case if the TRIG IN input is already connected to a TTLTRG line it will be disconnected prior to connecting it to the TRIG OUT output Note that by selecting one TTLTRG line all other TTLTRG lines are implicitly disconnected To determine which line is presently connected the query VXI CONF MONITOR TRIG OUTPUT may be used The reply to this query will be one of the following TTLTO TTLT2 TTLT4 Using The Enhanced Monitoring System 4 24 Astronics Test Systems Publication 980844 Rev Programming a Trigger Delay Time
89. ed Using The Enhanced Monitoring System 4 35 1261B Linear User Manual Publication No 980844 Rev B CLS Command The CLS command clears the SCPI and 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 query description If any bits of this AND operation are set then bit 5 of the Status Byte is set That is bit 5 of Status Byte bit 0 of ESE AND bit 0 of ESR OR bit 1 of ESE AND bit 1 of ESR OR bit 2 of ESE AND bit 2 of ESR 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 where ESE is the value as set by the command ESR is the value which be read with ESR query Bit 5 of the Status Byte is also known as the Event Summary Bit or ESB The ESE command has the format ESE ESE value where the lt ESE value gt is an integer numeric value in the range 0 to 255 Using The Enhanced Monitoring System 4 36 Astronics Test Systems Publication
90. ed to connect the TRIG IN input to one of the TTLTRG TTLTRIG 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 MONITOR TRIG INPUT TTLTRG4 MONITOR TRIG INPUT TTLTRG5 MONITOR TRIG INPUT TTLTRG6 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 MONITOR TRIG INPUT may be used The reply to this query will be one of the following Astronics Test Systems Using The Enhanced Monitoring System 4 23 1261B Linear User Manual Publication No 980844 Rev B TTLT2 TTLTS TTLT4 TTLT5 TTLT6 TTLT7 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 conn
91. egisters are logically ANDed together and the result is Ored to form a status summary bit Each attribute is represented in the Questionable Condition register by a single summary bit The bit assignments for the Questionable Condition register is shown in Table 4 7 Table 4 7 Questionable Condition Register Bit Assignment Bit Set When Voltage Event AND Enable bit or bits set NOT Applicable Time Event AND Enable bit or bits set Not Assigned always 0 Temperature Event AND Enable bit or bits set Fan Speed Event AND Enable bit or bits set Not Assigned always 0 Not Assigned always 0 Not Assigned always 0 00 A Wy N VXI Event AND Enable bit or bits set Assigned always 0 Not Assigned always 0 Assigned always 0 Assigned always 0 Assigned always 0 Assigned always 0 Astronics Test Systems 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 Using
92. elected 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 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 TRIG DELAY STATE The reply to this query will be one of the following INP OUTP NONE EMS has 10 character LED display which is capable Programming The displaying all printable characters This includes both uppercase Front Panel and lowercase A through 7 the comma single quote double Display quote forward and backward slash asterisk dollar sign percent sign and so on A space character may also be displayed 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 S
93. en V ete ub caben 3 3 E 3 4 Backplane Connectors 3 8 Basic Functional CIeole 3 11 M ence 4 1 USING THE ENHANCED MONITORING 5 4 1 OVENI OW ou tani ue 4 1 Power On Reset iod 4 1 What Do NOW 4 3 Measuring Power Supply 4 3 Measuring Ambient 0222 1 4 3 Measuring VXI Slot Temperature 4 4 Measuring Fan ete 4 4 Measuring Power Supply Currents 4 4 Measuring ElapsedTIme ed da mde ote aa cect 4 5 Reading The Present State of VXI 4 5 Monitoring The VXI System oe eh tete 4 6 Programming The Tolerance 4 6 Programming The Power Supply Voltage Tolerance 4 7 ii Astronics Test Systems Publication 980844 Rev 1261B Line
94. enance 7 1 1261B Linear User Manual Inspection and Cleaning Interior Cleaning Exterior Cleaning Maintenance 7 2 Publication No 980844 Rev B 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 documentation 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 dry low velocity stream of air to clean the interior of the mainframe Use 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 CAUTION Avoid getting moisture inside the mainframe during exterior cleaning use just enough moi
95. end 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 SCPI Command Reference 5 9 1261B Linear User Manual Command Parameter Limits Command SENSE VOLT1 RANGE UPPER SENSE VOLT1 RANGE LOWER SENSE VOLT2 RANGE UPPER SENSE VOLT2 RANGE LOWER SENSE VOLT3 RANGE UPPER SENSE VOLT3 RANGE LOWER SENSE VOLT4 RANGE UPPER SENSE VOLT4 RANGE LOWER SENSE VOLT5 RANGE UPPER SENSE VOLT5 RANGE LOWER SENSE VOLT6 RANGE UPPER SENSE VOLT6 RANGE LOWER SENSE VOLT7 RANGE UPPER SENSE VOLT7 RANGE LOWER SENSE FREQ RANGE UPPER SENSE FREQ RANGE LOWER SENSE TEMP14 RANGE UPPER SENSE TEMP lt X gt RANGE UPPER X 1 to 13 SENSE TIME1 RANGE UPPER 365 days SENSE TIME2 RANGE UPPER 5 x 365 days SENSE TIME3 RANGE UPPER 30 days SENSE VXI IACK lt X gt LIMIT SENSE VXI BERR LIMIT VXI CONF MON TRIG DELAY TIME nanoseconds resolution 31 25 nanoseconds Device Specific Commands Publication No 980844 Rev B The parameter limits for the numeric commands are shown in Table 5 2 Default 5 4 4 6 4 8 5 6 1 8 2 2 25 9 22 1 22 1 25 9 12 9 11 1 11 1 12 9 Minimum 5200 0 2000 0 70 0 20 0 31536000 0 0 125 years 157680000 0 0 125 years 2592000 0 0 125 years 0 0 0 0 Trigger Delay time Tabl
96. ent Status 2 Current Events 2 Status Byte VXI 24V Current Status 3 5 24V Current Status 4 6 VXI 12V Current Status 5 7 VXI 12V Current Status 2 8 8 9 9 Summary of TIME Events Summary of TEMP Events Summary of FREQ Events Summary of VXI Events Figure 4 3 Status Reporting Hierarchy Astronics Test Systems Using The Enhanced Monitoring System 4 19 1261B Linear User Manual Clearing The Filter Service Alarm Publication No 980844 Rev B The final step for enabling out of tolerance conditions to generate an interrupt is to enable bit 3 of the Status Byte to generate an interrupt The IEEE 488 2 SRE command is used to enable bits of the Status Byte to generate an interrupt Thus if bit 3 of the SRE Register value is set then an interrupt will be generated by the EMS when bit 3 of the Status Byte becomes set The following example enables bit 3 and bit 0 of the Status Byte When either of the bits transition from a 0 to a 1 an interrupt will be generated SRE 9 The EMS maintains a power on clock This clock counts each second that the mainframe power switch is turned to the ON 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 el
97. ery only lt N gt 1 3 Query only 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 only Query only 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 15 0 to 15 Query only Query only Meaningful range is 0 to 7 Query only Query only Meaningful range 1 0 to 1024 SCPI Command Reference 5 7 1261B Linear User Manual eyword Parameter Form Default in Bold SENSe VOLTage DC RANGe UPPer LOWer ALARm TIME DATE FREQuency lt N gt UPPer LOWer ALARm TIME 2 DATE RANGe UPPer LOWer ALARm TIME DATE TEMPerature RANGe UPPer LOWer ALARm TIME DATE SY SFail ALARm 2 DATE ACFail ALARm TIME 2 DATE lt gt COUNt CLEar TIME 2 DATE BERR COUNt CLEar ALARm 2 DATE Confirmed voltage as a real number voltage as a real number lt frequency as areal number RPM gt lt frequency as areal number RPM gt time as a real number seconds gt time as a real numbe
98. f no user message has been defined This will then return to displaying the System OK or out of tolerance message s The EMS updates the front panel display as illustrated by the following pseudocode If the display state is ON then If there is an out of tolerance condition then display out of tolerance message Elsif there is a user defined message then display the user defined message Elsif the AC line power is switch ON then display System OK Else display Standby Endif Endif Using The Enhanced Monitoring System 4 28 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual 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 Table 4 8 Front Panel Status Messages Message System OK AC Power switch is ON nothing out of tolerance 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 Astronics Test Systems Using The Enhanced Monitoring System 4 29 1261B Linear User Manual Publication No 980844 Rev B Table 4 8 Front Panel Status Messages continued CNT Interrupt Acknowledge Line X count reached X will be 1 to 7 BERR CNT Bus Error count reached SY
99. ful 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 15 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 Figure 4 1 Voltage Condition Register Bits 15 through 7 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Not assigned 12V 12V 24V 24V 2V 5 2V 5V Always 0 The Voltage Condition Register may be read with the query STAT QUES VOLT COND This query returns an integer value in the range 0 to 127 The value is formed by adding the bit values of each of the status bits For example the value of 97 64 32 1 indicates that the 12V 64 12V 32 and 5V 1 power supplies are out of tolerance Each attribute monitored by the 1261B EMS has its own Condition Register The remaining condition registers may read with the following queries QUES TEMP COND Temperature Condition STAT QUES FREQ COND Fan Condition STAT QUES TIME COND Elapsed Time Condition QUES VXI COND
100. g commands may be used to read the fan speed MEAS FREQ1 read SLOWEST fan speed MEAS FREQ2 read Fan 1 fan speed MEAS FREQ3 read Fan 2 fan speed MEAS FREQ4 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 Measuring Power This feature is not available in the 1261B Linear Supply Currents Using The Enhanced Monitoring System 4 4 Astronics Test Systems Publication 980844 Rev Measuring Elapse Time Reading The Present State of VXI Signals Astronics Test Systems 1261B Linear User Manual 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 read power on time since last filter service
101. gagement 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 8 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Removal and Complete the steps below while referring to Figure 7 6 Replacement of The AC Mains To avoid electrical shock the AC mains power input must Fuses be disconnected before replacement of the fuse WARNING OI c J400 F400 ML o 4 D AC LINE u 115V 47 66Hz 1200VA _ B 55 110 T 4 i C CI 418 0 OUTPUTS J417 OUTPUTS PS 24V 7 2A 5 PS2 24 72 57 50 635 AC LINE wens 47 46Hz PSS 2 ai 1 Figure 7 6 Removing and Replacing The Mains Fuses Astronics Test Systems Maintenance 7 9 1261B Linear User Manual Publication No 980844 Rev B 1 Ensure both AC mains inputs J400 are disconnected 2 Insert flat bla
102. gic Ground 3 5 9 RSV Reserved Table 3 5 J414 EMS Rear Panel Monitor Pin Signal Description 1 5V 5V for powering external user circuitry etc 1 A max 2 12V 12V for powering external user circuitry etc 1 4 Tmax Output signal proportional to the maximum absolute temperature of the 13 modules 100 0 V corresponds to 0 C 5 Fan Speed Output signal proportional to the fan speed Control Minimum fan speed 1V Maximum fan speed 6 1 TTL output proportional to the speed Fan 1 2 pulses revolution 7 2 TTL output proportional to the speed of Fan 2 2 pulses revolution 8 TACH3 TTL output proportional to the speed of Fan 3 2 pulses revolution 9 11 GND Logic Ground 12 15 RSV Reserved Astronics Test Systems Publication No 980844 Rev 1261B Linear User Manual Table 3 6 J418 Rear Panel Monitor Connector Sua Description VXI bus ACFAIL Input or Monitor Output see note GND LogicGround ACFAIL SYSRESET VXlbus SYSRESET Input or Monitor Output see note Note Refer to VXlbus and VMEbus specifications for details on using the ACFAIL and SYSRESET signals If you use these signals do not violate VXIbus or VMEbus electrical specification Astronics Test Systems J418 2 MER 4 Q 5 6 O 10 11 12 13 14 15 Operating
103. he filter Rinse the filler with water and dry before replacing it in the mainframe 4 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 rackmount mainframe only swing the module fan cover upwards 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 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 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 Astronics Test Systems Publication 980844 Rev Removal and Replacement of The Module Fan Assembly Astronics Test Systems 1261B Linear User Manual The plug in module fan assembly may be removed and replaced as described in the following steps Refer to Figure
104. ilure This error is returned when the EEPROM indicates that it is busy writing data for more than 40 milliseconds This indicates a general EEPROM failure This error may be returned if the TST command returns a value of 5 Time of day real time clock failed This error is returned when the real time clock on the EMS does not advance after a minimum of 1 2 seconds This error may be returned if the TST command returns a value of 6 Power on time real time clock failed This error indicates that the power on time real time clock on the EMS does not advance after a minimum of 1 2 seconds This error may be returned if the 5 command returns a value of 6 The following self tests are NOT performed when mainframe power is NOT applied EEPROM tests real time clock tests Using The Enhanced Monitoring System 4 45 1261B Linear User Manual Publication No 980844 Rev B This page was left intentionally blank Using The Enhanced Monitoring System 4 46 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Chapter 5 SCPI COMMAND REFERENCE What s In This Chapter Introduction To SCPI Language Astronics Test Systems This chapter contains reference information for programming the 1261B Enhanced Monitoring System EMS Standard Commands For Programmable Instruments SCPI convention rules and syntax are explained in detail Table 5 1 lists all SCPI commands u
105. ing The Enhanced Monitoring System 4 13 1261B Linear User Manual Table 4 4 Fan Speed Condition and Event Register Bit Assignments Publication No 980844 Rev B Bit Set When 0 Fan 1 2 or 3 is out of tolerance 1 Fan 1 is out of tolerance 2 Fan 2 is out of tolerance 3 Fan 8 is out of tolerance Table 4 5 Time Condition and Event Register Bit Assignments Bit Set When 0 Present Power On Time exceeds limit 1 Cumulative Power On Time exceeds limit 2 Filter Service Time exceeds limit Table 4 6 VXI Condition and Event Register Bit Assignments Bit Set When 0 VXI Bus Error BERR Count exceeds limit VXI SYSFAIL is asserted VXI ACFAIL is asserted VXI IACK1 Count exceeds limit VXI IACK2 Count exceeds limit VXI IACK3 Count exceeds limit VXI IACK4 Count exceeds limit VXI IACK5 Count exceeds limit VXI IACK6 Count exceeds limit of A Wy VXI IACK7 Count exceeds limit Using The Enhanced Monitoring System 4 14 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 Astronics Test Systems Publication
106. ith your application default setting See Figure 2 14 for WARNING Ensure that J400 AC Input is disconnected before removing or replacing the System Monitoring EMS module Possible damage to the module could result Remove the EMS module See Removal and Replacement in Chapter 7 Configure SW1 located on the component side of the EMS module Replace the EMS module See Removal and Replacement in Chapter 7 Component Side 29699098 o Default 8 7 6 Factory 5 Setting 4 3 2 1 J413 2418 6 1 1 Enabled 0 Disabled CT Current Sharing 1 Enabled 0 Disabled Baud 00 11 if Parity 01 odd 10 Even Data Bits 028 127 Stop Bits 0 1 1 2 Power Up Enabled Current Sharing Disabled Baud 9600 Cm Parity None Cm Data Bits 8 Stop Bits Figure 2 5 Setting the Enhanced Monitoring System Configuration Switch Configuring The 1261B Linear 2 6 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Connecting The RS 232 Interface Connecting Toa Computer Data Terminal or Modem Rs 232 Flow Control Method Astronics Test Systems 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 te
107. 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 alarm conditions will not be recorded properly If any non zero error code is returned a description of the failure is placed on the error queue The cause of the error may be read using the command SYST ERR This command may be sent over the RS 232 or the VXlbus interface The EMS will reply with an error message with the form 330 Self test failed self test failure description gt The lt self test failure description gt s and their meanings are described below ROM checksum failed is s b YYYY This error is returned when the ROM checksum has failed TST returns 1 The computed checksum is shown as four hexadecimal digits represented by XXXX The stored checksum is shown as four hexadecimal digits represented by YYYY PS Voltage Sensors 5V 5 2V 2V 24V 24V 12 12V This error is returned when the Power Supply voltage sensors for one or more of the power supplies has failed All seven power supplies are shown in this example Only the failing supplies will be shown when this error occurs This message be returned if the 5 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 supplie
108. l 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 Configuring The 1261B Linear 2 7 1261B Linear User Manual PUBLICATION No 980844 Rev B RS 232 Echo The 1261B EMS Monitor will not echo back characters it receives from the terminal If you wish to see characters on your terminal Back as you type them set your terminal for Local Echo Considerations 1 If factory default RS 232 setting is ee incompatible with your computer data 2 C 2 terminal or modem perform the procedure described Figure 2 14 Setting Enhanced Monitoring System ley RS 232 Configuration Switch The factory default setting is 1 Stop bit 8 data bits No Parity 9600 Baud and RS 232 enabled at power on ENHANCED MONITOR FAIL 2 10 5 232 See 2 16 5 232 Cable Connections With a Computer Data Terminal or Modem use ADDR SPEED RS 232 Port 0412 4412 Pin Connections Received Data Transmitted Data Request to Send Clear to Send Signal Ground Figure 2 6 Setting Up The Enhanced Monitoring System RS 232 Interface Configuring The 1261B Linear 2 8 Astronics Test S
109. lay and monitoring of key VXI backplane signals AS ACFAIL SYSRESET Refer to Figure 6 2 Enhanced Monitoring System Module Block Diagram Understanding The 1261B Linear 6 4 Astronics Test Systems 1261B Linear User Manual Publication No 980844 Rev B lt Fan MUX Select 2 VXI Current MUX Select 3 VXI Voltage MUX Select 3 Temperature MUX Select 6 Monitoring Circuitr B y 5 2V REF 9 AMBIENT TEMP w e _VXI SLOT TEMP L p CURRENT 24V SWITCHED o OVER LOAD gt AC FAIL SYSFAIL VXI MONITOR BERR 2 FPGA Dat mE a 5 ASI 5 VXI Data Status amp Events TTLTRG Out Trigger Routing n Trigg er Trigger Delay S Control 1 EXT TRG IN RS 232 UART Microcontroller 8 i channel MUX A D SPI Commands External ra Keyboard amp Terminal Replies amp Alarms _ DATA VOLTAGE DAC VOLTAGE TEMP DAC Time amp Date M Real Time Clock EEPROM serial Instrument States Alam 10
110. lay 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 State Monitor 1 if the line is high or a 0 the line is low Note that since each of these lines is asserted when low the normal reply should be 1 Front Panel User Message 80 Characters scrolled Astronics Test Systems Specifications A 7 1261B Linear User Manual Publication No 980844 Rev B Characteristics Description VXI Interface Capabilities VXlbus Specification Rev 1 4 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 Specifications A 8 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Error Message Astronics Test Systems Appendix B ERROR MESSAGES In general whenever the EMS receives an invalid 5 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 ou
111. le all of the following commands are valid and equivalent DISPLAY WINDOW TEXT DATA Hello ISPLAY TEXT DATA Hello ISPLAY WINDOW TEXT Hello ISPLAY TEXT Hello A colon is used to separate a command keyword from lower level keyword as shown below 5 ON 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 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 VOLTage N 1 7 This represents eight different keywords MEASure VOLTage read 5V Power Supply EASure VOLTagel read 5V Power Supply EASure VOLTage2 re
112. le 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 relative to the ambient temperature and outputs voltage proportional to the maximum temperature rise at the rear panel monitor connector J414 Understanding The 1261B Linear 6 6 Astronics Test Systems Publication 980844 Rev User Limits On EMS Monitored Parameters Timestamps on EMS Monitored Events EMS Rear Panel Fan Speed Monitor EMS Fan Speed Control EMS Fan Speed Switch Astronics Test Systems 1261B Linear User Manual e Calculates the maximum VXI slot temperature 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 s
113. lication No 980844 Rev B Vertical Bar Separate multiple parameter choices Bold Typeface Letters Designate factory default values Part of the DISPlay subsystem is shown below to illustrate the tree system DISPlay WINDow CLEar DATA string STATe DISPlay is the root keyword of the command WINDow is the optional second level keyword TEXT is the third level keyword CLEar DATA and 5 are fourth level keywords colon separates a command keyword from a lower level keyword Each keyword defined by SCPI has both a long form and a short form The long form is formed by using all letters shown in the keyword The short form is formed by using only the uppercase letters shown in the keyword For example the DISPlay keyword may be specified by either of the following DISP DISPLAY No other form can be used to specify the keyword The keyword DISPL may NOT be used Command keywords are NOT case sensitive Command parameters are NOT case sensitive unless the parameter is string data enclosed in quotes For example the following commands are all equivalent DISPLAY Display DiSpLaY disPLAY display Astronics Test Systems Publication 980844 Rev Optional Keywords Multiple Identical Capabilities and Keyword Suffixes Astronics Test Systems 1261B Linear User Manual Command keywords enclosed in square brackets are optional For examp
114. ll 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 That is if we go from 9600 baud 1 stop bit even parity 7 data bits to 9600 baud 1 stop bit no parity 8 data bits then the number of data bits must be programmed first Using The Enhanced Monitoring System 4 32 Astronics Test Systems Publication 980844 Rev Setting The System Time and Date
115. locked state This happens when the input buffer is full the output buffer is full and a reply to a query cannot be signals is an alternative method of generating generated interrupts 1001 VXI interrupt queue overflow The queue of pending interrupts to send has overflowed The EMS maintains a queue of interrupts which should be sent An interrupt cannot be sent until a previous interrupt has been acknowledged 420 Query UNTERMINATED The signal queue has overflowed Sending VXI attempted to write data over the VXlbus A timeout has occurred while the EMS was waiting for control of the VXlbus 1005 1999 Internal error DDE An internal firmware error has been detected Errors of this type should be reported to Customer Support for correction 1003 VXI bus timeout Error Messages B 4 Astronics Test Systems
116. lowing a B size module to be installed just like a C size Configuring The 1261B Linear 2 1 1261B Linear User Manual PUBLICATION No 980844 Rev B In order to improve cooling of used slots the VXI mainframe Installation and limited number of airflow directors P N 456271 may be installed Removal of Card empty siot locations to redirect otherwise wasted airflow Guide Covers Airflow Directors CAUTION To maintain a balanced airflow throughout the system when using airflow directors do not cover more than six empty slots at any time If module density is low space airflow directors evenly across the mainframe 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 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 3 Slightly flex the director upwards at the front maintaining pressure at the rear and lower the center hook of the director into the center rectangular hole in the cardguide 2 4 Press down and back to allow both center and rear hook to engage fully into the c
117. m a 0 to 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 Using The Enhanced Monitoring System 4 39 1261B Linear User Manual OPC Command OPC Query RCL Command Publication No 980844 Rev B The OPC command will cause the Operation Complete bit of the Standard Event Status Register SESR to be set when the command is executed This is bit 0 of the SESR The value of the SESR may be read using the ESR query The OPC command has no parameters The only valid syntax for this command is OPC 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 The RCL command will recall the instrument state from nonvolatile memory command may specify nonvolatile memory location from which to recall the instrument state That is both of the following formats are accepted RCL RCL location If location is specified it must be in the range 0 to 9 location 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 s
118. mmary 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 22 Astronics Test Systems Publication 980844 Rev 1261B Linear 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 i The TRIG IN input may be connected to one of the TTLTRGx Connecting The lines TTLTRGO through TTLTRG7 The following commands TRIG IN Input TO may be us
119. 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 SENSE 1 UPPER 6500 all 3 fans upper limit SENSE 1 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 8 lower limit Each of these commands has an associated query For example the query SENSE RANGE LOWER reads the lower fan speed tolerance limit for fan 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 upper limit The following command may be used to Ambient set the ambient temperature limit Temperature Tolerance Limit SENSE TEMP14 RANGE UPPER 63 0 This example sets the upper limit of the ambient temperature to 63 degrees Celsius The present upper limit for the ambient temperature ma
120. nel double click on the 12618 EMS Front Panel icon in the VXIPNP Windows Group If the four conditions above are met the Soft Front Panel program will automatically locate the EMS in the 1261B Mainframe The Soft Front Panel program will display the VXI logical address of the EMS and the Active LED on the Soft Front Panel will be green Astronics Test Systems Configuring The 1261B Linear 2 11 1261B Linear User Manual PUBLICATION No 980844 Rev B This page was left intentionally blank Configuring The 1261B Linear 2 12 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Chapter 3 OPERATING THE 1261B Linear Using This Chapter Astronics Test Systems Use this Chapter to Review front and rear panel controls and indicators Power the mainframe on off 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 Linear 3 1 1261B Linear User Manual Power On Stanby Switch Power On LED EMS Display Publication No 980844 Rev B 9 0 0
121. peed 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 Using The Enhanced Monitoring System 4 40 Astronics Test Systems Publication 980844 Rev SAV Command TRG Command WAI Command Performing the Self Test Astronics Test Systems 1261B Linear User Manual RS 232 Interface Configuration Baud Rate Parity Data Bits Stop Bits Note that Status Registers Condition Registers Enable Registers and Event Registers are NOT affected by the command The command will store the present instrument state into nonvolatile memory SAV command may specify nonvolatile memory location into which the instrument state is saved That is both of the following formats are accepted SAV SAV location If location is specified it must be in the range 0 to 9 location is not specified the instrument state will be saved into nonvolatile memory location 1 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 command description into the specified nonvolatile memory location The TRG command is required by the IEEE 488 2 specifica
122. play 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 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 5 executed then the front panel will show the following characters in succession This is M Using The Enhanced Monitoring System 4 27 1261B Linear User Manual Clearing The Message From The Display Front Panel Message Semantics Publication No 980844 Rev B his is My is is My s is My S is My St is My Str s My Stri My Strin My String The presently programmed text string may be read using the query DISPLAY TEXT The EMS will reply to this query with the string enclosed in double quotes If a double quote is part of the displayed string then two consecutive double quotes will be shown in the reply as follows This has a double quote 7 embedded in it The user string may be set to a length of 0 by sending the command DISPLAY TEXT If this command is executed the display will show nothing UNLESS an out of tolerance condition is detected by the EMS The user message may be cleared entirely by executing the command DISPLAY TEXT CLEAR After this command has been executed the EMS will behave as i
123. r gt time as a real number seconds gt time as a real number seconds gt Not Confirmed Not Confirmed 0 0 255 SCPI Command Reference 5 8 Publication No 980844 Rev B SCPI 1994 0 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 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 Notes N 1 7 set most positive voltage monitor limit set most negative voltage monitor limit 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 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
124. rd guide is required to clear the front rail 6 Allow the front retaining hook to rest on the front 7 Insert flat blade screwdriver into the slot in front of the retaining hook 8 Gently pry the tab of the retaining hook to the rear and press down the front of the card guide to snap into position To troubleshoot the 12618 VXlbus mainframe to its component module level use Table 7 1 and Understanding the 1261B in Chapter 6 Alarm conditions referenced in the PROBLEM column of Table 7 1 occur when the monitored system health status function Voltage Temperature or Airflow is outside of its specified tolerance For information on health status indicators and tolerance limits refer to Table A 9 Maintenance 7 11 1261B Linear User Manual Power annunciator does not come on Maintenance 7 12 Publication No 980844 Rev B Table 7 1 Troubleshooting PROBLEM POSSIBLE CAUSES WHAT TO DO Power supply not properly connected 1261B Linear mainframe or power supply not connected to power source Power On Standby switch not switched on Blown AC Mains Fuse Power supply protections are active causing the supply to be shutdown Verify that the power supply assembly is fully cabled to the 1261B Linear mainframe Make sure that the 1261B Linear is connected to a live electrical outlet Try operating another piece of equipment from this outlet Set the front Power On Standby switch to th
125. rminal 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 Figure 2 15 Setting Up the Enhanced Monitoring System EMS RS 232 Interface and to Figure 2 16 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 The host controller RS 232 flow control must 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 19 0 to the sending device commanding the sending device to suspend data output Later when the receiving device is ready for more data it may send an XON character ASCII 1716 to the sending device indicating that data transmission may be resumed If your controller does not support flow contro
126. s Register are cleared after this query has been executed The reply to the ESR query is a numeric integer value in the range 0 to 255 Astronics Test Systems Using The Enhanced Monitoring System 4 37 1261B Linear User Manual SRE Command Publication No 980844 Rev B The SRE command sets the value of Service Request Enable Register The value of this register is logically ANDed with the contents of the Status Byte see the STB query description If any bits of this AND operation are set bit 6 of the Status Byte is set That is bit 6 of Status Byte bit 0 of SRE AND bit 0 of STB OR bit 1 of SRE AND bit 1 of STB OR bit 2 of SRE AND bit 2 of STB OR bit 3 of SRE AND bit 3 of STB OR bit 4 of SRE AND bit 4 of STB OR bit 5 of SRE AND bit 5 of STB OR bit 7 of SRE AND bit 7 of 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 thi
127. s has failed All seven power supplies are shown in this example Only the failing supplies will be shown when this error occurs This message be returned if the 5 command returns a value of 3 Using The Enhanced Monitoring System 4 43 1261B Linear User Manual Publication No 980844 Rev B Fan Speed Sensors 1 Fan 2 Fan 3 This error is returned when the fan speed monitor sensors for one or more of the fans has failed All three fans are shown in this example Only the failing fan s will be shown when this error occurs This message may be returned if the TST command returns a value of 3 Ambient Temperature Sensor This error is returned when the ambient temperature sensor has failed The message may be returned if the TST command returns a value of 3 Slot Temperature Sensors Slots 1 2 3 4 5 6 7 8 9 10 11 12 This error is returned when one more of 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 failed This error is returned when the EMS s Programmable Interrupt Timer test has failed This message will be returned if the TST command returns a value of 4 header corrupt This error is returned when the header first 4
128. s register is ignored since it does not make sense to enable an interrupt when an interrupt is generated Using The Enhanced Monitoring System 4 38 Astronics Test Systems Publication 980844 Rev Query 1261B Linear User Manual This query reads the value presently programmed for the Service Request Enable Register This reads the value as programmed by the SRE command STB Query This query reads the value of the Status Byte Each bit of this register indicates a true false status condition When the bit is set the condition is TRUE when the bit is cleared the condition is FALSE The bit assignments are defined by the IEEE 488 2 The bit assignments are as follows specification Bit 0 Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 Astronics Test Systems 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 fro
129. sed 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 15 necessary for low level programming of the EMS Commands to program the instrument over the VXlbus and RS 232 interfaces are defined by the SCPI 1994 0 standard The SCPI standard defines a common language protocol It goes one step further than IEEE STD 488 2 and defines a standard set of commands to control every programmable aspect of the instrument It also defines the format of command parameters and the format of values returned by the instrument SCPI is ASCll based instrument command language designed for test and measurement instruments SCPI commands are based on a hierarchical structure known as a tree system 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 1 Enclose optional keywords or parameters Braces 1 1 Enclose parameters within command string Triangle Brackets lt gt Substitute a value for the enclosed parameter SCPI Command Reference 5 1 1261B Linear User Manual Command Keyword Long Form and Short Form Case Sensitivity SCPI Command Reference 5 2 Pub
130. sently 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 This feature is not available on the 1261B Linear The previous paragraphs have described how to program tolerance limits When one of the attributes monitored by the EMS exceeds its tolerance limits an alarm condition exists The following paragraphs describe how to program the EMS to generate an interrupt when it detects an alarm condition The EMS uses the SCPl defined mechanism for generating interrupts based on out of tolerance conditions The EMS implements a 3 level hierarchy of status registers to provide for enabling and disabling of interrupts based upon the individual VXI attributes monitored At the highest level a separate condition event and enable register is maintained for each of the following attributes Power Supply Voltages Fan Speed Using The Enhanced Monitoring System 4 11 1261B Linear User Manual Publication No 980844 Rev B VXI Slot Temperatures Elapsed Time VXI Bus Error Events Thus there is a Voltage Condition Register a Voltage Event Register a Voltage Enable 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 meaning
131. solating 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 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 filter may require more frequent cleaning Clean dust from the mainframe exterior and interior as needed based on the operating environment Periodic cleaning reduces instrument breakdown and increases reliability The information in this section is designed for use by qualified service personnel Read the For Your Safety at the front of this manual and Service Strategy before attempting any procedures in this chapter Refer to Chapter 3 Operating The 1261B for information on the location of controls indicators and connectors used with the mainframe 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 Maint
132. sos tud tet eus 6 3 arie cbe H 6 3 E 6 3 Cooling SY 6 4 Cooling The Power 6 4 Enhanced System Monitor EMS de enin tx a ecc nes 6 4 EMS Module System Interconnection 6 6 EMS Module General Capabilities 6 6 User Limits On EMS Monitored 6 7 Timestamps on EMS Monitored 6 7 EMS Rear Panel Fan Speed MOFILOFE 6 7 EMS Fan Speed CODO pacte t o Polo boa e P n s 6 7 EMS Fan Speed Switch usse ce tS D 6 7 s nost 7 1 7 1 Whats ini This ates 7 1 Service cetera 7 1 Service Ree 7 1 re 7 1 Astronics Test Systems Publication
133. stems Publication No 980844 Rev 1261B Linear User Manual Table 3 2 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 Table 3 3 J412 EMS RS 232 Port swa 3412 om p menm N w 4 Astronics Test Systems Operating The 1261B Linear 3 5 1261B Linear User Manual 3413 414 N 15 14 13 12 11 A o Operating 1261B Linear 3 6 Publication No 980844 Rev Table 3 4 J413 EMS TTL Trigger 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 OUT TTL output signal which is routed from any one of the eight TTLTRIG lines on the VXI backplane with or without a programmable delay applied 6 7 8 GND Lo
134. sture 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 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Cleaning The The module fan filter is easily removed from the rear of the chassis as shown in Figure 7 2 Module Fan Filter scu EX e 2 Above the Filter EDS CES ee Filter Frame Screw Figure 7 1 Cleaning The Module Fan Filter 1 On rackmount 9U mainframes only loosen the two captive thumbscrews on the fan cover assembly and allow it to swing open It will pivot about its base allowing access to the module fan filter and frame Astronics Test Systems Maintenance 7 3 1261B Linear User Manual Modular Component Removal and Replacement Tools Required Maintenance 7 4 Publication No 980844 Rev B 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 t
135. t 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 1261B Linear User Manual Publication No 980844 Rev B Table B 1 Error Messages 0 No Error The error queue is empty command encountered encountered an illegal character 104 Data type error The parser encountered a parameter data type different than expected For example expected numeric received string 105 not allowed CME A Group Execute Trigger was received within a command
136. t quotations from a competitive source or used for manufacture by anyone other than Astronics Test Systems The information herein has been developed at private expense and may only be used for operation and maintenance reference purposes or for purposes of engineering evaluation and incorporation into technical specifications and other documents which specify procurement of products from Astronics Test Systems TRADEMARKS AND SERVICE MARKS All trademarks and service marks used in this document are the property of their respective owners e Racal Instruments Talon Instruments Trig Tek ActivATE Adapt A Switch N GEN and PAWS are trademarks of Astronics Test Systems in the United States DISCLAIMER Buyer acknowledges and agrees that it is responsible for the operation of the goods purchased and should ensure that they are used properly and in accordance with this document and any other instructions provided by Seller Astronics Test Systems products are not specifically designed manufactured or intended to be used as parts assemblies or components in planning construction maintenance or operation of a nuclear facility or in life support or safety critical applications in which the failure of the Astronics Test Systems product could create a situation where personal injury or death could occur Should Buyer purchase Astronics Test Systems product for such unintended application Buyer shall indemnify and hold Astronics Test Systems its offi
137. t N gt 2 Not Confirmed ASTRobe SY SFail STATus Confirmed PRESet OPERation EVENt CONDition ENABIe 0 0 32767 QUEStionable EVENt CONDition ENABIe 0 0 32767 CONDition ENABIe 0 0 32767 TEM Perature EVENt CONDition ENABIe 0 0 32767 FREQuency EVENt CONDition 0 0 32767 TIME EVENt CONDition 0 0 32767 Not Confirmed EVENt CONDition ENABIe 0 0 32767 Astronics Test Systems Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Not Confirmed Confirmed Not Confirmed Not Confirmed Not Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Confirmed Not Confirmed Not Confirmed Not Confirmed Query only Query only Combinations of Parity Data Stop Bits which are NOT allowed NONE 7 1 EVEN 8 2 ODD 8 2 Programming either the TRANSMIT or the RECEIVE direction programs BOTH directions ranges 0 23 0 59 0 59 ranges 1995 2020 1 12 1 31 1 7 Query only lt gt 1 4 Qu
138. tain 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 Filter accessible from rear of the mainframe Astronics Test Systems Specifications A 3 1261B Linear User Manual Publication No 980844 Rev B VXI 8 Rev 2 0 Fixture Rev 1 9 Fan filters installed Standard Modules Installed VXI 8 Standard Module Curve AIRFLOW Figure A 1 Mainframe Worst Case Slot Cooling Curve Table A 4 Safety Safety Characteristics IEC 1010 1 IEC Characteristics Installation Category II Pollution Degree 2 Safety Class 1 Specifications A 4 Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Table A 5 Environmental Typical Characteristic Description Classification M
139. 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 Declaration of Conformity Astronics Test Systems 4 Goodyear _ Irvine CA 92618 declare under sole responsibility that the 1261B Linear Mainframe P N 407771 XXXXX Conforms to the following Product Specifications Safety EN 61010 1 EMC EN61326 Class The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC Irvine CA October 15 2001 lity Manager This page was left intentionally blank Publication 980844 Rev 1261B Linear User Manual Table of Contents CHIPET UA E E 1 1 nbn RR D E a RN 1 1 Product 1 1 Key ERE 1 1 Items Shipped With The 126TB LInear 1 2 Ordering Information waste estem e 1 3 2s e usu DM E 2 1 CONFIGURING THE 1261B Linear epe 2 1 Using THIS m UU 2 1 AC Mains POWBl 2 1 Site Considerations
140. tile memory whenever an out of tolerance condition is detected The EMS supports all required IEEE 488 2 commands addition the optional and commands are all supported The following paragraphs describe the IEEE 488 2 commands supported by the 1261B EMS This query requests the instrument to identify itself The EMS responds to this query with the following reply Racal Instruments 1261B EMS 0 lt firmware revision This reply indicates the Astronics Test Systems brand Racal Instruments the 1261B EMS the serial number if not available it is O and the firmware revision The firmware revision is the only field that may change in the future The firmware revision is a numeric floating point value An example firmware revision is 2 1 The RST command resets the instrument to its power on default state These settings are shown in Table 4 1 of this manual This command does NOT change the value of SCPI or IEEE 488 2 status registers event registers condition registers or enable registers The TST query initiates an instrument self test and returns a reply The reply is a integer numeric value A value of 0 indicates that the self test has passed A non zero value indicates that one of the commanded self tests has failed Consult the Performing the Self Test Section of this chapter for a description of the self test failures and error codes associat
141. tion This command is accepted but has no effect on the EMS The WAI command is required by the IEEE 488 2 specification This command is accepted but has no effect on the EMS The EMS performs a series of self tests when power is first applied If any of the self tests fail the following message is displayed on the 10 character LED display on the front of the VXI mainframe Self Test Failed To determine the cause of this failure perform one of the following 3 operations Using The Enhanced Monitoring System 4 41 1261B Linear User Manual Publication No 980844 Rev B 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 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 of the self test failure The meaning of the replies to this query are discussed later in this section 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 O 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 l
142. to INPut or OUTput or NONE They have short and long form command keywords Upper and lower case letters can be mixed Query responses always return the short form in all upper case letters The following command uses discrete parameters VXI CONF MON DELAY STATE INPut OUTput NONE Boolean parameters represent a single binary condition that is either true or false The EMS accepts OFF or 0 for a false condition The EMS accepts ON or 1 for a true condition The instrument always returns 0 1 when a boolean setting is queried The following command uses a boolean parameter DISPLAY TEXT STATE OFF ON 1 Table 5 1 summarizes the complete SCPI command tree available to program the EMS Refer to section 4 in this manual for more complete details on each command Astronics Test Systems Publication 980844 Rev 1261B Linear User Manual Table 5 1 VXIbus 1261B Linear EMS SCPI Commands List Summary NOTE Current Monitoring Not Supported in 1261B Linear orm Defa Confirm COMMunicate SERial Confirmed RECeive BAUD 1200 2400 4800 9600 BITS 7 8 SBITs 1 2 PARity TY PE EVEN ODD NONE TRANsmit AUTO BAUD 1200 2400 4800 9600 BITS 7 8 SBITs 1 2 TIME lt hour gt lt minute gt lt second gt DATE lt year gt lt month gt lt da MEASure N FREQuency lt N gt TIME lt N gt TEM Peraturel l
143. 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 The various SENSE commands are used to set the programmable tolerance limits for the various attributes monitored by the 1261B EMS The following paragraphs describe how to set each attribute s tolerance limit or limits Refer to Table 5 2 for a description of the range of values accepted for each command Using The Enhanced Monitoring System 4 6 Astronics Test Systems Publication 980844 Rev Programming The Power Supply Voltage Tolerance Limits Programming The Power Supply Current Tolerance Limits Astronics Test Systems 1261B Linear User Manual The power supply voltages are monitored to ensure that they are between an upper and a lower limit The lower voltage tolerance limit is always the most negative and the upper voltage tolerance limit is always the most positive The following commands may be used to set
144. with a value formatted as a real number The number is rounded to the nearest 1 degree Celsius Using The Enhanced Monitoring System 4 3 1261B Linear User Manual Publication No 980844 Rev B SI Each VXI slot temperature be read individually The Measuring VXI Slot following commands may be used to read the specified VXI slot Temperature temperature EAS TEMP 1 MEAS 2 EAS TEMP3 EAS TEMP 4 TEMP5 TEMP 6 EAS TEMP7 8 5 9 5 10 EAS TEMP11 EAS TEMP12 MEAS TEMP13 read slot 0 temperature read slot 1 temperature read slot 2 temperature read slot 3 temperature read slot 4 temperature read slot 5 temperature read slot 6 temperature read slot 7 temperature read slot 8 temperature read slot 9 temperature read slot 10 temperature read slot 11 temperature read slot 12 temperature Each of these queries causes the 1261B EMS to reply with a value formatted as a real number The number is rounded to the nearest 0 1 degree Celsius Note that the temperature rise of any slot may be computed by the difference between the ambient temperature and the slot s temperature MEAS TEMPX MEAS TEMP 14 Measuring Fan Each of the three fan speeds may be read individually The Speed followin
145. y be read with the query SENSE TEMP 14 RANGE UPPER Refer to Table 5 2 for a description of a range of values accepted for this command Using The Enhanced Monitoring System 4 8 Astronics Test Systems Publication 980844 Rev Programming The VXI Slot Temperature Rise Tolerance Limits Programming The VXI Bus Error and Tolerance Limits Astronics Test Systems 1261B Linear User Manual Each VXI slot is individually monitored to ensure that the temperature rise above ambient does not exceed its programmable limit Each VXI slot temperature rise may be programmed individually The following commands may be used to establish the slot s upper limit for temperature rise above the measured ambient temperature SENSE TEMP1 RANGE UPPER 11 0 Slot 0 temp rise SENSE TEMP2 RANGE UPPER 12 0 Slot 1 temp rise SENSE TEMP3 13 0 Slot 2 temp rise SENSE TEMP4 RANGE UPPER 15 0 Slot 3 temp rise SENSE TEMP5 RANGE UPPER 9 0 Slot 4 temp rise SENSE TEMP6 RANGE UPPER 11 0 Slot 5 temp rise SENSE TEMP7 RANGE UPPER 22 0 Slot 6 temp rise SENSE TEMP8 RANGE UPPER 16 0 Slot 7 temp rise SENSE TEMP9 RANGE UPPER 14 0 Slot 8 temp rise SENSE TEMP10 RANGE UPPER 12 0 Slot 9
146. ystem OK Using The Enhanced Monitoring System 4 26 Astronics Test Systems Publication No 980844 Rev Turning The Display On and Off Writing a Message To The Display Astronics Test Systems 1261B Linear User Manual These two messages are displayed only when no out of tolerance conditions have been detected by the EMS If an out of tolerance condition is detected a status message is displayed Consult the Front Panel Display Status Messages of this chapter for a description of the various status messages and their meanings At Power On and after a reset the front panel display is turned on The front panel may be turned off using the command DISPLAY TEXT STATE OFF After this command is executed the display is turned off The display will not display any status messages nor will it display any user defined messages The front panel display may be turned on by using the command DISPLAY TEXT STATE ON The present state of the display may be read using the query DISPLAY TEXT STATE The EMS will reply to this query with a 0 if the display is off or a 1 if the display is on The user may write a message to the display This is done with the command DISPLAY TEXT Show This On The Display This text to display may be enclosed in either double quotes or in single quotes The text message may be from 0 to 80 characters in length Since the LED dis
147. ystems Publication 980844 Rev 1261B Linear User Manual To use to control the 1261B Linear with EMS connect Controlling RS 232 cable to J 412 of EMS module to the P C See Figure 2 1261B Linear 16 for cable configuration EMS with Run HyperTermnal Program HyperTerminal C accessories HyperT erminal HyperTrm exe 5 95 Direct to Com1 Com2 OK Configure Port Settings Bits per Second 9600 Data Bits 8 Parity None Stop Bits 1 Flow Control Xon Off OK Settings Emulation Autodetect or VT 100 ASCII Setup X Send line ends with line feeds X Echo typed characters 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 Astronics Test Systems Configuring The 1261B Linear 2 9 1261B Linear User Manual PUBLICATION No 980844 Rev B 9 D Sub 9 D Sub Connector Connector Male 9 Pin 5 232 Cable Connect to 12618 Connect to Computer DTE w Cab e Connections Pin 3 Pin 3 TXD Pin2 TXD Pin 2 RXD Pin 5 SIGNAL Pin 5 SIGNAL GND Note This Figure applies ONL Y when connecting 1261B to Data Termina equipment such as a Computer or DTE Figure 2 7 RS 232 Connection With a Computer Data Terminal or Modem Configuring The 1261B Linear 2 10 Astronics Test Systems Publi

Manual - Astronics Test Systems

Contents

Download Pdf Manuals

Related Search

Related Contents