Page 5 - antes de que el aparato eléctrico sea operado.
5 NOM STATEMENT NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para refer...
Page 6 - IEEE 488 INTERFACE CONVERTER
6 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de operación, o como se indique en el aparato. 12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea e...
Page 7 - CONTENTS; Contents; Chapter
7 CONTENTS Contents Chapter Page 1. Specifications ..................................................................................................10 2. Introduction ...................................................................................................12 2.1 Description .................
Page 10 - Serial Interface
10 RS-232 ↔ IEEE 488 INTERFACE CONVERTER IEEE-488 Interface Implementation — C1, C2, C3, C4, and C28 controller subsets.Serial to IEEE: SH1, AH1, T6, TE0, L4, LE0,SR1, RL0, PP0, DC1, DT0, E1. Terminators — Selectable CR, LF, LF-CR, and CR-LF with EOI Connector — Standard IEEE 488 connector with metr...
Page 11 - General; CAUTION; CHAPTER 1: Specifications
11 General Data Buffer — 32,000 characters dynamically allocated Indicators — LEDs for IEEE Talk and Listen, Serial Sendand Receive, and Power Power — 105-125V or 210-250V; 50-60 Hz, 10 VA max. Size — 2.7"H x 5.5"W x 7.4"D (6.9 x 14 x 18.8 cm) Weight — 3.6 lb. (1.6 kg) Environment — 0 to...
Page 12 - 88 Interface Converter provides transparent communication
12 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 2.1 Description The RS-232 ↔ 488 Interface Converter provides transparent communication from a serial computer to an IEEE 488 printer, plotter, or other device. It alsocan be used to control a serial device, such as a printer or terminal, from anIEEE 488 host...
Page 13 - CHAPTER 2: Introduction
13 2.2 Abbreviations The IEEE 488 abbreviations listed below are used throughout this manual. addr n IEEE bus address “n” ATN Attention line CA Controller Active CO Controller CR Carriage Return data Data String DCL Device Clear GET Group Execute Trigger GTL Go To Local LA Listener Active LAG Listen...
Page 14 - NOTE
14 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 3.1 Inspection The interface converter was carefully inspected, both mechanically andelectrically, prior to shipment. When you receive it, carefully unpack all itemsfrom the shipping carton and check for any obvious signs of damage that mayhave occurred durin...
Page 15 - CHAPTER 3: Getting Started
15 Figure 3-1. Factor y-Default Settings. 1 2 3 4 5 6 7 8 OPEN SW3 IEEE AddrIEEE Term EOI 10LFDisabled Switch Side View DOT 1 2 3 4 5 6 7 8 OPEN SW2 Mode Talk-Back on Timeout Serial Term CEnabledLF Switch Side View DOT Echo Parity No EchoNo Parity 1 2 3 4 5 6 7 8 OPEN SW1 Baud Rate Handshake Word Le...
Page 16 - Chapter 4; To modify any of these defaults, follow this simple procedure:; WARNING; Serial Port Settings
16 RS-232 ↔ IEEE 488 INTERFACE CONVERTER Note that the interface converter comes configured as an IEEE controller. Inthis mode, the interface converter is designed to allow an RS-232 computer tocommunicate with an IEEE peripheral such as a plotter. This controller modeis described in detail in Chapt...
Page 18 - Stop Bits
18 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 3.3.2 S ERIAL W ORD L ENGTH (D ATA B ITS ) SW1-6 determines the number of data bits, often referred to as word length,for each serial character transmitted or received. The factory default is 8 databits. Figure 3-3. Switch SW1: Selecting the Serial Word Lengt...
Page 21 - CR Only
21 CHAPTER 3: Getting Started 3.4 Selecting Terminator Substitution The interface converter can be configured to provide RS-232-to-IEEE-488 andIEEE-488-to-RS-232 terminator substitution. This is useful when interfacing anRS-232 device which only issues carriage return [CR] as an output terminatorto ...
Page 22 - Selecting the Mode; for more detailed information on the controller mode; Chapter 5; for more detailed information on the peripheral mode
22 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 3.4.2 IEEE B US T ERMINATOR SW3-6 through SW3-8 set the IEEE bus terminators used for data sent orreceived by the interface converter. EOI, a line used to signal the end of a multiple character bus transfer, may also be enabled. If enabled, EOIis asserted whe...
Page 23 - Chapters 5; and; Peripheral Mode
23 CHAPTER 3: Getting Started Figure 3-10. Switch SW2: Selecting the Mode. 3.6 Selecting the IEEE Address SW3-1 through SW3-5 select the IEEE bus address of the interface converterwhen in the IEEE Peripheral mode. These same switches are used in the IEEEController mode to select the address of the d...
Page 24 - Refer to; for complete details on these features.; on Terminator” in Controller Mode.; Timeout Disabled
24 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 3.7 Feature Selections The functions of the remaining switches are dependent on the modeselected. A brief description of each of these features follows. You shouldrefer to the listed sections for additional information. 3.7.1 C ONTROLLER F EATURES In the IEEE...
Page 25 - Figure 3-14. Switch SW1: Enabling or Disabling SRQ on Last Serial; If it will be connected to a Macintosh; SRQ on Last
25 CHAPTER 3: Getting Started 3.7.2 P ERIPHERAL F EATURES In the IEEE Peripheral (IEEE 488 to RS-232 converter) mode, SW1-7 enablesthe interface to assert the SRQ IEEE bus interface line to indicate that it hasreceived the last switch selected serial terminator character from the serialdevice. Figur...
Page 27 - CTS
27 CHAPTER 3: Getting Started Figure 3-16. Rear View of the Interface Converter’s Serial Connector. -RxD Receive Data—Input—Pin 2 This pin accepts serial data sent by the RS-232 or RS-422 host. The serialdata is expected with the word length, baud rate, stop bits, and parityselected by the internal ...
Page 29 - CTS; Mini DINs Male
29 3.8.3 S ERIAL -C ABLE W IRING D IAGRAMS If a cable was not purchased with the interface, the following diagrams will behelpful in making your own cable. Simple soldering skills and an attention todetail will ensure successful construction. Figure 3-17. Wiring Diagram: Macintosh to Interface Conve...
Page 30 - Figure 3-19. Wiring Diagram: IBM AT or Compatible with DB9 Serial
30 RS-232 ↔ IEEE 488 INTERFACE CONVERTER Figure 3-19. Wiring Diagram: IBM AT or Compatible with DB9 Serial Connector to Interface Converter (RS-232). NOTE Standard AT 9-pin-to-25-pin adapter cables are not wired as shownabove and will not work with the interface converter. 3.9 General Refer to the f...
Page 32 - Controller Operation
32 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 4.1 Controller-Mode (Serial to IEEE) Operation The IEEE Controller mode allows a serial RS-232 or RS-422 host device tosend data to a single IEEE bus peripheral or to multiple peripherals if theyoccupy the same bus address. Applications include interfacing a ...
Page 33 - Chapter 3
33 CHAPTER 4: Controller Operation 4.2 Serial and IEEE Terminator Substitution The interface converter can be configured to provide serial-to-IEEE-488 andIEEE-488-to-serial terminator substitution. This is useful when interfacing aserial host which only issues carriage return [CR] as an output termi...
Page 35 - CHAPTER 4: Controller Operation
35 Figure 4-2. Switch SW1: Enabling or Disabling “Talk-Back on Terminator.” When the serial input buffer becomes empty, the interface converter checksthe last characters sent to the IEEE bus device. If these were the IEEE busterminators and Talk-Back on Terminator is enabled, the IEEE bus device isa...
Page 38 - The serial data format that the application (plotting or graphics)
38 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 4.5 Plotter Applications To use the interface converter to interface an HP-IB plotter to a serialcomputer port, you will need the following information about your system: 1) The serial data format that the application (plotting or graphics) program expects th...
Page 39 - from AUTODESK on
39 Figure 4-4. A PC-Based Graphics System. The following shows the interface converter’s internal switch settings requiredto use a Hewlett-Packard 7580A plotter with AutoCAD ® from AUTODESK on an IBM PC or compatible. Because PCs and compatibles output RS-232 levels,the shorting DIP jumper should be...
Page 40 - , some serial data format
40 RS-232 ↔ IEEE 488 INTERFACE CONVERTER Figure 4-6. Interface Converter Settings for Use with HP 7580A Plotter on an IBM PC. When using the interface converter with plotting programs on the Macintoshcomputer with graphic drivers such as MacPlot ® , some serial data format parameters are user-modifi...
Page 45 - CHAPTER 5: Peripheral Operation; Serial and IEEE Input Buffers; Peripheral Operation
45 CHAPTER 5: Peripheral Operation 5.1 Peripheral-Mode Operation This mode of operation is useful in interfacing a serial device, such as a serialprinter, plotter or instrument, to an IEEE controller. Data which is sent by theIEEE controller to the interface converter is buffered and transmitted out...
Page 48 - “SRQ on Last Terminator.”; IEEE Input Buffer NOT Empty
48 RS-232 ↔ IEEE 488 INTERFACE CONVERTER Figure 5-1. Switch SW1: Enabling or Disabling “SRQ on Last Terminator.” 5.4 Serial-Poll Status-Byte Register The following shows and describes the serial-poll status information providedby the interface converter. DIO8 IEEE Input Buffer NOT Empty This bit is ...
Page 50 - of this manual for
50 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 5.5 Use of Serial and Bus Terminators The interface converter can be configured to provide RS-232-to-IEEE-488 andIEEE-488-to-RS-232 terminator substitution. This is useful when interfacing aserial device that only issues carriage return [CR] as an output term...
Page 51 - UNL places the interface converter in the Listener Idle State.
51 CHAPTER 5: Peripheral Operation 5.6.1 M Y T ALK A DDRESS (MTA) When the interface converter is addressed to talk, it retrieves data from the serial input buffer and outputs it to the IEEE 488 bus. It substitutes theselected IEEE bus terminators for the received serial terminators. The inter-face ...
Page 52 - Listen Only Mode
52 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 5.7 IEEE Address Selection SW3-1 through SW3-5 select the IEEE bus address of the interface converterwhen in the IEEE Peripheral mode. The address is selected by simple binaryweighting with SW3-1 being the least significant bit and SW3-5 the mostsignificant. ...
Page 53 - General Structure
53 CHAPTER 6: IEEE 488 Primer 6.1 History The IEEE 488 bus is an instrumentation-communication bus adopted by theInstitute of Electrical and Electronic Engineers in 1975 and revised in 1978.The interface converter conforms to this most recent revision, designatedIEEE 488-1978. Before this standard w...
Page 54 - For data transfer on the IEEE 488, the Active Controller must:
54 RS-232 ↔ IEEE 488 INTERFACE CONVERTER At a committee meeting, everyone present usually listens. This is not the casewith the GPIB. The Active Controller selects which devices will listen andcommands all other devices to ignore what is being transmitted. A device isinstructed to listen by being Ad...
Page 55 - Send It to My Address
55 CHAPTER 6: IEEE 488 Primer Figure 6-1. IEEE 488 Bus Structure. 6.3 Send It to My Address In the previous discussion, the terms “Addressed to Talk” and “Addressed toListen” were used. These terms require some clarification. The IEEE 488 standard permits up to 15 devices to be configured within one...
Page 62 - Address; Static RAM; Theory of Operation
62 RS-232 ↔ IEEE 488 INTERFACE CONVERTER 7.1 Theory of Operation The heart of the interface converter is a 6809 microprocessor (U101)supported by 8K bytes of firmware EPROM [U102 (2764)] and 32K bytes ofstatic RAM [U103 (58256)]. A Versatile Interface Adapter [U104 (65B22)] is used to generate real-...
Page 63 - Interface Converter’s Motherboard.; CHAPTER 7: Theory of Operation and Board Layout
63 7.2 Board Layout Figure 7-1. Component Layout of the Interface Converter’s Motherboard. U108 U107 R102 U101 C106 C107 C101 U106 Y101 C118 C117 U102 C102 U103 C103 C105 C110 C113 U113 C124 U110 J104 D102 D106 D105 D104 D103 R104 C104 U104 U105 D101 R101 C108 J101 CHAPTER 7: Theory of Operation and...
Page 65 - Program
65 APPENDIX A: Sample Dumb-Terminal Program 10 REM *** DUMB-TERMINAL PROGRAM FOR THE interface converter 20 REM *** Running under IBM BASIC 30 REM *** This Program allows direct interaction between the 40 REM *** IBM PC and an IEEE bus device through the interface converter. 50 REM *** The interface...
Page 66 - Appendix B. Character Codes and IEEE
66 RS-232 ↔ IEEE 488 INTERFACE CONVERTER ACG = Addressed Command Group TAG = Talk Address Group UCG = Universal Command Group SCG = Secondary Command Group LAG = Listen Address Group NUL $00 0 SOH $01 GTL 1 STX $02 2 ETX $03 3 EOT $04 SDC 4 ENQ $05 PPC 5 ACK $06 6 BEL $07 7 BS $08 GET 8 HT $09 TCT 9...
Page 67 - Hexadecimal; ASCII Character; Address or Command
67 How To Read the Chart APPENDIX B: Character Codes and IEEE Multiline Messages Hexadecimal Decimal Equivalent Equivalent ASCII Character Address or Command
Page 68 - Abbreviations; Index; Features
68 RS-232 ↔ IEEE 488 INTERFACE CONVERTER Abbreviations IEEE 488 .................................13 Active Controller ...........................53Address Selection IEEE ........................................34 Applications Plotter .....................................38Printer ......................
Page 69 - INDEX
69 INDEX Interface Clear .........................51, 56Interface Converter Connectors .....................................26Introduction...................................12LAG ................................................58LEDs ...................................31, 37, 43Listen Address Group....
Page 71 - © Copyright 1998. Black Box Corporation. All rights reserved.
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