Measurement-computing Parallel488 Bedienungsanleitung

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Inhaltsverzeichnis

Seite 1 - Parallel488

Parallel488 Bus ConverterINSTRUCTION MANUALIOtech, Inc. • 25971 Cannon Road • Cleveland, Ohio 44146 • (440) 439-4091

Seite 2

Section 1 Introduction1.21.2 SpecificationsIEEE 488-1978Implementation: C1, C2, C3, C4 and C28 controllersubsets.(Parallel to IEEE)SH0, AH1, T0, TE0,

Seite 3 - User's Manual

Section 1 Introduction1.31.3 AbbreviationsThe following IEEE 488 abbreviations are used throughout this manual.addr n IEEE bus address "n"A

Seite 5 - Table of Contents

Section 2 Getting Started2.1Getting Started2.1 InspectionThe Parallel488 was carefully inspected, both mechanically and electrically, priorto shipmen

Seite 6

Section 2 Getting Started2.2SW1 Factory Default Settings10Parallel to IEEEOPEN12345678IEEE AddressAuto LinefeedModeDisabledDOTSwitch Side ViewTo modif

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Section 2 Getting Started2.3SW1 View for IEEE Bus Address SelectionOPEN1234567810DOTSwitch Side View0 x 161 x 80 x 41 x 20 x 1= 0= 8= 0= 2= 0+IEEE Add

Seite 8

Section 2 Getting Started2.4SW1 View for Auto-Linefeed SelectionOPEN12345678DOTSwitch Side ViewOPEN12345678Auto-Linefeed Disabled Auto-Linefeed Enable

Seite 9 - Introduction

Section 2 Getting Started2.5WARNINGThe power supply provided with the interface is intended forINDOOR USE ONLY. Failure to observe this warning could

Seite 11 - 1.3 Abbreviations

Section 3 Parallel To IEEE Operation3.1Parallel To IEEE Operation3.1 Parallel to IEEE 488 Mode OperationThe Parallel To IEEE mode allows a parallel (

Seite 12

Warranty InformationYour IOtech warranty is as stated on the product warranty card. You may contact IOtech by phone,fax machine, or e-mail in regard

Seite 13 - Getting Started

Section 3 Parallel To IEEE Operation3.2 received at a rate faster than can be output, the built-in 32,000 data bufferstores the characters until the I

Seite 14 - Auto Linefeed

Section 3 Parallel To IEEE Operation3.3To configure the PC graphics system, connect the LPT output of the PCto the parallel input connector on the Par

Seite 15 - IEEE Address = 10

Section 3 Parallel To IEEE Operation3.4By typing the following HPGL command on the keyboard, the plottershould respond by retrieving its pen, drawing

Seite 16

Section 3 Parallel To IEEE Operation3.510 ACKNLG out The Parallel488 pulses this line low for>5 µs after it has accepted a characterfrom the parall

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Section 3 Parallel To IEEE Operation3.6ACKNLG BUSY DATA STROBEParallel to IEEE Mode Timingout out in inSignal Dir5 µs min0.5 µs min

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Section 4 IEEE to Parallel Operation4.1IEEE to Parallel Operation4.1 IEEE to Parallel Mode OperationThis mode of operation is useful in interfacing a

Seite 19 - Parallel To IEEE Operation

Section 4 IEEE to Parallel Operation4.2type of control might be appropriate in a single user environment.To illustrate how this would appear, let&apos

Seite 20 - received

Section 4 IEEE to Parallel Operation4.3a logic "1" when there is 1024 or less locations in the buffer for data. It iscleared, set to a logi

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Section 4 IEEE to Parallel Operation4.4DIO5Not Defined - Always "0"DIO4Not Defined - Always "0"DIO3Not Defined - Always "0&qu

Seite 22 - 3.5 Printer Applications

Section 4 IEEE to Parallel Operation4.54.4.2 My Listen Address (MLA)When the Parallel488 is addressed to listen, it accepts data from the activetalke

Seite 23

Parallel488User's Manual138-0920Revision 3.1January 1992IOtech, Inc. " 25971 Cannon Road " Cleveland, Ohio 44146 " (440) 439-4091

Seite 24 - Parallel to IEEE Mode Timing

Section 4 IEEE to Parallel Operation4.64.4.8 Untalk (UNT)UNT places the Parallel488 in the Talker Idle State.4.5 IEEE Address SelectionSW1-1 through

Seite 25 - IEEE to Parallel Operation

Section 4 IEEE to Parallel Operation4.74.6 Parallel Interface Description and TimingAs an IEEE to parallel converter, the Parallel488 controls the fo

Seite 26

Section 4 IEEE to Parallel Operation4.831 /INITout The Parallel488 pulses this line low forapprox. 50 µs upon receipt of an IEEE 488Device Clear, Sele

Seite 27 - 1428163264128

Section 5 IEEE 488 Primer5.1IEEE 488 Primer5.1 HistoryThe IEEE 488 bus is an instrumentation communication bus adopted by the Institute of Electrical

Seite 28 - 4.4.1 My Talk Address

Section 5 IEEE 488 Primer5.2At a committee meeting, everyone present usually listens. This is not the case with theGPIB. The Active Controller selects

Seite 29

Section 5 IEEE 488 Primer5.3}DIO1-8DAVNRFDNDACIFCATNSRQRENEOITo Other DevicesDevice 1System ControllerAble to Talk,Listen, and ControlDevice 2DMMAble

Seite 30 - 4.5.1 Listen Only Mode

Section 5 IEEE 488 Primer5.45.3 Send It To My AddressIn the previous discussion, the terms Addressed to Talk and Addressed to Listen were used. Thes

Seite 31

Section 5 IEEE 488 Primer5.55.4.2 Interface Clear (IFC)The IFC line is used only by the System Controller. It is used to place all bus devices in ak

Seite 32 - IEEE to Parallel Mode Timing

Section 5 IEEE 488 Primer5.65.5 Handshake LinesThe GPIB uses three handshake lines in an "I'm ready - Here's the data - I've got

Seite 33 - IEEE 488 Primer

Section 5 IEEE 488 Primer5.7All ReadyAll ReadyNone ReadyNone ReadyValid Not ValidNot ValidValid1st Data Byte 2nd Data ByteAll AcceptAll AcceptNone A

Seite 35 - Section 5 IEEE 488 Primer

Section 5 IEEE 488 Primer5.85.7.2 Listen Address Group (LAG)There are 31 (0 to 30) listen addresses associated with this group. The 3 most significan

Seite 36 - 5.4.1 Attention (ATN)

Section 5 IEEE 488 Primer5.95.7.8 Selected Device Clear (SDC)This causes a single device to be initialized to a pre-defined or power up state. ($04)5

Seite 37 - 5.4.5 Service Request (SRQ)

Section 5 IEEE 488 Primer5.105.7.14 Parallel Poll Configure (PPC)This configures devices capable of performing a Parallel Poll as to which data bit th

Seite 38 - 5.5.1 Data Valid (DAV)

Section 5 IEEE 488 Primer5.115.8.1 Serial PollSuppose the Controller receives a service request. For this example, let's assume there areseveral

Seite 40

Section 6 Service Information6.1Service Information6.1 Factory ServiceIOtech maintains a factory service center in Cleveland, Ohio. If problems aree

Seite 43 - 5.8.2 Parallel Poll

Section 6 Service Information6.46.5 Parallel488 Replaceable Parts ListSchematic Part NumberDescriptionC101 C-5-.1 0.1uF, 25v ceramicC102 C-5-.1 0.1u

Seite 44

Section 6 Service Information6.5Schematic Part Number DescriptionR101 R-1-68K 68K½, 1/4w, 10% carbonR102 RN-4-4.7K 4.7K½ x 7 SIP NetworkR103 RN-1-10K

Seite 45 - Service Information

Table of ContentsSection 1 Introduction Page1.1 Description 1.11.2 Specifications 1.21.3 Abbreviations 1.3Section 2 Getting Started Page2.1 Inspection

Seite 47

Appendix A Character Codes And IEEE Multiline MessagesA.1

Seite 48 - Description

Table of ContentsSection 4 IEEE To Parallel Operation Page4.5 IEEE Address Selection 4.64.5.1 Listen Only Mode 4.64.6 Parallel Interface Description

Seite 49

Table of Contents5.8.1 Serial Poll 5.115.8.2 Parallel Poll 5.11Section 6 Service Information Page6.1 Factory Service 6.16.2 Theory of Operation 6.16.

Seite 51

Section 1 Introduction1.1Introduction1.1 DescriptionThe Parallel488 is an intellegent Bus Converter that provides transparentconversion from an IEEE

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