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© National Instruments Corporation

2-1

GPIB-130 User Manual

Chapter 2
Connection

This chapter contains information for connecting your GPIB-130.

Connecting the GPIB-130

Figure 2-1 shows a side view of the GPIB-130.

Figure 2-1. GPIB-130 Side View

The GPIB-130 may be powered on from either an external 5V regulated power supply or from a
specially configured National Instruments GPIB interface board.

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Summary of Contents for GPIB-130

Page 1: ...ments GPIB 130 Manual Get Pricing Availability at ApexWaves com Call Today 1 800 915 6216 Email sales apexwaves com https www apexwaves com modular systems national instruments gpib instrument control modules GPIB 130 ...

Page 2: ... Copyright 1991 1994 National Instruments Corporation All Rights Reserved GPIB 130 User Manual November 1993 Edition Part Number 370897A 01 ...

Page 3: ...fices Australia 03 879 9422 Austria 0662 435986 Belgium 02 757 00 20 Canada Ontario 519 622 9310 Canada Québec 514 694 8521 Denmark 45 76 26 00 Finland 90 527 2321 France 1 48 14 24 24 Germany 089 741 31 30 Italy 02 48301892 Japan 03 3788 1921 Netherlands 03480 33466 Norway 32 848400 Spain 91 640 0085 Sweden 08 730 49 70 Switzerland 056 20 51 51 U K 0635 523545 ...

Page 4: ... against National Instruments must be brought within one year after the cause of action accrues National Instruments shall not be liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does not cover damages defects malfunctions or service failures caused by owner s failure to follow the National Instruments installation operation or maintenanc...

Page 5: ...terference from the equipment to radio reception in commercial areas Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense There is no guarantee that interference will not occur in a particular installation However the chances of interference are much less if the equipment is ...

Page 6: ...lly Configured GPIB Interface Board 2 2 Connecting to Hewlett Packard Controllers 2 3 Chapter 3 Configuration and Operation 3 1 Operating Modes 3 1 Unbuffered Mode 3 1 Buffered Mode 3 1 Setting the Operating Mode 3 2 Parallel Poll Response PPR Modes 3 2 Stored PPR Mode Approach 1 3 3 Immediate PPR Mode Approach 2 3 3 Choosing the PPR Mode 3 3 Setting the PPR Mode 3 4 Operating the GPIB 130 System ...

Page 7: ... Lines A 3 Attention ATN A 3 Interface Clear IFC A 3 Remote Enable REN A 3 Service Request SRQ A 3 End Or Identify EOI A 3 Physical and Electrical Characteristics A 4 Configuration Requirements A 7 Related Document A 7 Appendix B Specifications B 1 System Configuration B 1 Performance Characteristics B 1 Operating Characteristics B 2 Electrical Characteristics B 2 Environmental Characteristics B 2...

Page 8: ...al GPIB 130 Extension System Logical Configuration 1 2 Figure 2 1 GPIB 130 Side View 2 1 Figure 3 1 Switch Setting for Operating Mode 3 2 Figure 3 2 Switch Setting for Parallel Poll Response PPR Mode 3 4 Figure 4 1 GPIB 130 Block Diagram 4 1 Figure A 1 GPIB Connector and the Signal Assignment A 4 Figure A 2 Linear Configuration A 5 Figure A 3 Star Configuration A 6 Table Table C 1 Cable Assembly W...

Page 9: ...erminology and protocol for users unfamiliar with the GPIB Appendix B Specifications lists the specifications of the GPIB 130 Appendix C Cable Assembly Wire List contains the listing of wire connections for the GPIB 130 transmission cable Appendix D Multiline Interface Messages contains an ASCII chart with a list of the corresponding GPIB messages and hex values Appendix E Customer Communication c...

Page 10: ... for Programmable Instrumentation Customer Communication National Instruments wants to receive your comments on our products and manuals We are interested in the applications you develop with our products and we want to help if you have problems with them To make it easy for you to contact us this manual contains comment and configuration forms for to you complete These forms are located in Append...

Page 11: ...performs high speed parallel transmissions with rates up to 900 kbytes sec It has a switch to select buffered transfers for high performance or normal GPIB transfers with interlocked handshaking It has a switch to select immediate parallel poll mode for cable lengths of 60 m or less or stored parallel poll mode for longer distances Description of the GPIB 130 The high speed GPIB 130 bus extender s...

Page 12: ...ission Lines Computer System Controller Talker and Listener Printer Listener Multimeter Talker and Listener Signal Generator Listener Unit Under Test GPIB 2 GPIB 1 GPIB 130 GPIB 130 Figure 1 2 Typical GPIB 130 Extension System Physical Configuration Computer System Controller Talker and Listener Printer Listener Multimeter Talker and Listener Signal Generator Listener Unit Under Test GPIB Figure 1...

Page 13: ... patterns for additional loading The maximum data transfer rate over the extension is 900 kbytes sec Furthermore there is no speed degradation at all for transfers between devices on the same side of the extension Because the GPIB 130 is a functionally transparent extender the same GPIB communications and control programs that work with an unextended system can work unmodified with an extended sys...

Page 14: ...se a shielded Type X1 or X2 GPIB cable Operating this equipment with a non shielded cable may cause interference to radio and television reception in commercial areas Unpacking Your GPIB 130 Follow these steps when unpacking your GPIB 130 1 Verify that the pieces contained in the package you received match the kit parts list given earlier in this section 2 Inspect the shipping container and conten...

Page 15: ...ains information for connecting your GPIB 130 Connecting the GPIB 130 Figure 2 1 shows a side view of the GPIB 130 Figure 2 1 GPIB 130 Side View The GPIB 130 may be powered on from either an external 5V regulated power supply or from a specially configured National Instruments GPIB interface board ...

Page 16: ...ternal power supply into the 5VDC jack of the GPIB 130 4 Turn the phono jack connector so that it screws into the threading on the 5VDC jack 5 Plug the power supply into the wall outlet 6 Connect the transmission cable to both GPIB 130s 7 Slide the power switch of both extenders to the on position The GPIB 130 extension is now operational Connecting to a Specially Configured GPIB Interface Board T...

Page 17: ...chieve very high data transfer rates and long cable spans between devices many HP Controllers and computers such as the 64000 series use a preload technique on the unit designated Master Controller When preloaded the GPIB lines of the Master Controller are terminated to represent six device loads HP has two types of preloading Class A in which all 16 GPIB lines are loaded and Class B in which all ...

Page 18: ... uses FIFOs to buffer data between the remote and local units For long data streams you can obtain a much higher data throughput with Buffered mode than with Unbuffered mode Consider the following situation a GPIB device on the local side of the extension is addressed to talk another device on the remote side is addressed to listen When the talking device sources data bytes the GPIB 130s accept th...

Page 19: ...ng for Operating Mode Parallel Poll Response PPR Modes According to ANSI IEEE Standard 488 1 1987 devices must respond to a parallel poll within 200 nsec after the Identify IDY message Attention ATN and End Or Identify EOI is asserted by the Controller In Charge CIC The Controller then waits at least 2 µsec before reading the Parallel Poll Response PPR In many cases a remote device on an extended ...

Page 20: ... Mode Approach 2 In this mode the GPIB 130s do not use the internal PPR data register When a Controller on the local GPIB system asserts IDY the local GPIB 130 extender sends the IDY message to the remote bus and the response is returned as fast as propagation delays permit The Controller must allow time to receive the response Choosing the PPR Mode Choosing the right PPR depends on the type of Co...

Page 21: ...slide the switch down to set Stored PPR mode See Figure 3 2 On Off A Immediate PPR Mode Default B Stored PPR Mode On Off PPoll Imm PPoll Stored uffered uffered PPoll Imm PPoll Stored uffered uffered Key PPoll position Buffer position Figure 3 2 Switch Setting for Parallel Poll Response PPR Mode Operating the GPIB 130 System The GPIB 130 extension system is fully operational when power is applied t...

Page 22: ...ed off Talk LED The Talk LED is lit whenever a device on the local GPIB system is identified as a Talker or if a Controller on the local GPIB system is actively asserting the ATN message Whenever the Talk LED of the local GPIB 130 is lit the Listen LED of the remote GPIB 130 is lit Listen LED The Listen LED is lit whenever a device on the remote GPIB system is identified as a Talker or if a Contro...

Page 23: ...PIB Figure 4 1 shows a block diagram of the GPIB 130 Source Handshake Detection Parallel Poll Detection System Controller Detection CIC Detection PPR Register FIFO FIFO Controller GPIB RS 422 Transceivers GPIB Tranceivers Figure 4 1 GPIB 130 Block Diagram Power On PON State The GPIB 130s enter the Power On PON state when you first turn them on The GPIB 130s remain in the PON state until the transm...

Page 24: ...xtension Source Handshake Detection The Source Handshake Detection circuitry locates the device sourcing GPIB command or data bytes Command bytes may be sourced by the CIC data bytes may be sourced by the addressed GPIB Talker One or more devices in the system may be addressed as GPIB Listeners Listeners may be on the same side the opposite side or both sides of the GPIB 130 extension Parallel Pol...

Page 25: ...Listeners The Controller manages the flow of information on the GPIB by sending commands to all devices Devices can be Listeners Talkers and or Controllers A digital voltmeter for example is a Talker and may be a Listener as well The GPIB is a bus like an ordinary computer bus except that the computer has its circuit cards interconnected via a backplane bus whereas the GPIB has standalone devices ...

Page 26: ...sually the System Controller GPIB Signals and Lines The interface system consists of 16 signal lines and 8 ground return or shield drain lines The 16 signal lines are divided into the following three groups Eight data lines Three handshake lines Five interface management lines Data Lines The eight data lines DIO1 through DIO8 carry both data and command messages All commands and most data use the ...

Page 27: ...anage the flow of information across the interface Attention ATN The Controller drives ATN true when it uses the data lines to send commands and false when it allows a Talker to send data messages Interface Clear IFC The System Controller drives the IFC line to initialize the bus and become CIC Remote Enable REN The System Controller drives the REN line which is used to place devices in remote or ...

Page 28: ...or Cinch Series 57 Microribbon or Amp Champ type An adapter cable using a non standard cable and or connector is used for special interconnection applications The GPIB uses negative logic with standard TTL logic level When DAV is true for example it is a TTL low level 0 8V and when DAV is false it is a TTL high level 2 0V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 23 24 20 21 DIO1 DIO2 DIO...

Page 29: ...Appendix A Operation of the GPIB National Instruments Corporation A 5 GPIB 130 User Manual Figure A 2 Linear Configuration ...

Page 30: ...Operation of the GPIB Appendix A GPIB 130 User Manual A 6 National Instruments Corporation Figure A 3 Star Configuration ...

Page 31: ...al A maximum separation of four meters between any two devices and an average separation of two meters over the entire bus A maximum total cable length of 20 m No more than 15 devices connected to each bus with at least two thirds powered on Bus extenders are available from National Instruments for use when these limits must be exceeded Related Document For more information on topics covered in th...

Page 32: ...1 timing of source device no restrictions Note T1 is the settling time DIO valid to DAV and varies according to the type of drivers and the system configuration used Performance Characteristics Speed buffered mode 900 kbytes sec maximum Speed unbuffered mode 5 m 20 m 50 m 100 m 300 m 790 kbytes sec maximum 640 kbytes sec maximum 460 kbytes sec maximum 315 kbytes sec maximum 140 kbytes sec maximum ...

Page 33: ... AH1 complete Acceptor handshake T5 TE5 complete Talker L3 LE3 complete Listener SR1 complete Service Request RL1 complete Remote Local PP1 2 complete Parallel Poll DC1 complete Device Clear DT1 complete Device Trigger C1 5 complete Controller E2 tri state GPIB drivers Maximum sustained transfer rates assuming 1 Mbytes sec transfer rate without extenders ...

Page 34: ...terface circuit RS 422 drivers and receivers connected with parallel data transmission cable GPIB interface load one standard load AC and DC Power 2 2 W typical Environmental Characteristics Operating temperature 0o to 55o C Humidity 5 to 95 non condensing conditions FCC Class A verified Physical Characteristics Case dimensions 3 75 x 3 0 x 0 95 in 95 x 76 x 24 mm Case material 0 050 in THK 5052 H...

Page 35: ...mber DIO1 DIO1 44 43 1 DIO1 DIO1 44 43 DIO2 DIO2 34 41 2 DIO2 DIO2 34 41 DIO3 DIO3 48 47 3 DIO3 DIO3 48 47 DIO4 DIO4 36 39 4 DIO4 DIO4 36 39 DIO5 DIO5 42 18 5 DIO5 DIO5 42 18 DIO6 DIO6 45 46 6 DIO6 DIO6 45 46 DIO7 DIO7 40 35 7 DIO7 DIO7 40 35 DIO8 DIO8 37 38 8 DIO8 DIO8 37 38 BUS SRQ BUS SRQ 30 32 9 BUS SRQ BUS SRQ 30 32 BUS REN BUS REN 14 15 10 BUS REN BUS REN 14 15 BUSPP BUSPP 16 17 11 BUSPP BUS...

Page 36: ...re Pin Number XATN XATN 27 11 14 RATN RATN 8 1 XRFD XRFD 21 22 15 RRFD RRFD 3 6 RRFD RRFD 3 6 16 XRFD XRFD 21 22 BUSDAC BUSDAC 5 28 17 BUSDAC BUSDAC 5 28 XEOI XEOI 25 9 18 REOI REOI 2 7 REOI REOI 2 7 19 XEOI XEOI 25 9 XDAV XDAV 10 26 20 RDAV RDAV 4 13 RDAV RDAV 4 13 21 XDAV XDAV 10 26 XPON XPON 24 23 22 RPON RPON 20 19 RATN RATN 8 1 23 XATN XATN 27 11 RPON RPON 20 19 24 XPON XPON 24 23 SHIELD 49 5...

Page 37: ...face message reference list which describes the mnemonics and messages that correspond to the interface functions These multiline interface messages are sent and received with ATN TRUE For more information on these messages refer to the ANSI IEEE Standard 488 1 1987 IEEE Standard Digital Interface for Programmable Instrumentation ...

Page 38: ... 0E 016 14 SO 2E 056 46 MLA14 0F 017 15 SI 2F 057 47 MLA15 10 020 16 DLE 30 060 48 0 MLA16 11 021 17 DC1 LLO 31 061 49 1 MLA17 12 022 18 DC2 32 062 50 2 MLA18 13 023 19 DC3 33 063 51 3 MLA19 14 024 20 DC4 DCL 34 064 52 4 MLA20 15 025 21 NAK PPU 35 065 53 5 MLA21 16 026 22 SYN 36 066 54 6 MLA22 17 027 23 ETB 37 067 55 7 MLA23 18 030 24 CAN SPE 38 070 56 8 MLA24 19 031 25 EM SPD 39 071 57 9 MLA25 1A...

Page 39: ...55 109 m MSA13 PPE 4E 116 78 N MTA14 6E 156 110 n MSA14 PPE 4F 117 79 O MTA15 6F 157 111 o MSA15 PPE 50 120 80 P MTA16 70 160 112 p MSA16 PPD 51 121 81 Q MTA17 71 161 113 q MSA17 PPD 52 122 82 R MTA18 72 162 114 r MSA18 PPD 53 123 83 S MTA19 73 163 115 s MSA19 PPD 54 124 84 T MTA20 74 164 116 t MSA20 PPD 55 125 85 U MTA21 75 165 117 u MSA21 PPD 56 126 86 V MTA22 76 166 118 v MSA22 PPD 57 127 87 W ...

Page 40: ...tions engineers are available Monday through Friday from 8 00 a m to 6 00 p m central time In other countries contact the nearest branch office You may fax questions to us at any time Corporate Headquarters 512 795 8248 Technical support fax 800 328 2203 512 794 5678 Branch Offices Phone Number Fax Number Australia 03 879 9422 03 879 9179 Austria 0662 435986 0662 437010 19 Belgium 02 757 00 20 02 ...

Page 41: ...fficiently If you are using any National Instruments hardware or software products related to this problem include the configuration forms from their user manuals Include additional pages if necessary Name Company Address Fax Phone Computer brand Model Processor Operating system Speed MHz RAM M Display adapter Mouse yes no Other adapters installed Hard disk capacity M Brand Instruments used Nation...

Page 42: ... National Instruments Products GPIB 130 Revision _________________________________________________ Remote GPIB 130 Revision _________________________________________________ National Instruments GPIB Interface ________________________________________________ National Instruments Software _________________________________________________ Other Products Computer Make and Model ______________________...

Page 43: ...al Edition Date November 1993 Part Number 370897A 01 Please comment on the completeness clarity and organization of the manual If you find errors in the manual please record the page numbers and describe the errors Thank you for your help Name Title Company Address Phone Mail to Technical Publications Fax to Technical Publications National Instruments Corporation National Instruments Corp 6504 Bri...

Page 44: ... Attention C Celsius CIC Controller In Charge CPU central processing unit DAV Data Valid DC direct current DIO Data Input Output EOI End Or Identify FCC Federal Communications Commission FIFO first in first out GND Ground GPIB General Purpose Interface Bus IDY Identify IEEE Institute of Electrical and Electronic Engineers IFC Interface Clear ISO International Standards Organization kbytes 1 000 by...

Page 45: ...sary 2 National Instruments Corporation PP Parallel Poll PPR Parallel Poll Response REN Remote Enable sec seconds SRQ Service Request TTL transistor transistor logic V volts VAC volts alternating current VDC volts direct currect W watts ...

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