Measurement-computing Extender488 Manuale Utente

Extender 488 User’s Manualp/n Extender488-9011996-199

Section 2 Getting Started2.1GETTING STARTED2.1 INSPECTIONThe Extender488s are carefully inspected, both mechanically and electrically, prior to shipm

Section 2 Getting Started2.22.2 Extender488 CONFIGURATIONThe following describes the configuration necessary for the RS-422 Extender488s. If you are

Section 2 Getting Started2.3WARNINGNever open the Extender488 case while it is connected to th e AC line.Failure to obs erve this warning may result

Section 2 Getting Started2.4Extender488 Data Format SelectionDOTSwitch Side ViewOPEN1234018 data BitsOPEN12347 data BitsNote: Factory default is 8 dat

Section 2 Getting Started2.52.3 Extender488/F CONFIGURATIONThe following describes the configuration necessary for the fiber optic Extender488/Fs. I

Section 2 Getting Started2.6Extender488/F #1Extender488/F #2RTRTThere are several recommended precautions you should take to ensure years of trouble f

Section 2 Getting Started2.72.4 OPERATIONAfter configuring the Extender488s attaching the serial port or fiber optic cabling, plug the powersupply co

Section 2 Getting Started2.8If any of the symptoms shown occur, cycle the power switch on the Extender488 to be sure of theproblem. If the problem is

Section 2 Getting Started2.92.5 PARALLEL POLL RESPONSE TIMESThe Parallel Poll function is the only extended bus transaction which is not completely t

Warranty Information Contact Measurement Computing by phone, fax, or e-mail in regard to warranty-related issues: Phone: (508) 946-5100, fax: (508) 9

Section 3 IEEE 488 Primer3-1IEEE 488 Primer3.1 HISTORYThe IEEE 488 bus is an instrumentation communication bus adopted by the Institute of Electrical

Section 3 IEEE 488 Primer3-2ability to keep up while taking notes. If a hand is raised, the instructor stops his discussion to allow theslower studen

Section 3 IEEE 488 Primer3-3}DIO1-8DAVNRFDNDACIFCATNSRQRENEOITo Other DevicesDevice 1System ControllerAble to Talk,Listen, and ControlDevice 2DMMAble

Section 3 IEEE 488 Primer3-43.3 SEND IT TO MY ADDRESSIn the previous discussion, the terms Addressed to Talk and Addressed to Listen were u sed.These

Section 3 IEEE 488 Primer3-53.4.2 Interface Clear (IFC)The IFC line is used only by the System Controller. It is used to place all bus devices in ak

Section 3 IEEE 488 Primer3-63.5 HANDSHAKE LINESThe GPIB uses three handshake lines in an "I'm ready - Here's the data - I've got

Section 3 IEEE 488 Primer3-7All ReadyAll ReadyNone ReadyNone ReadyValid Not ValidNot ValidValid1st Data Byte 2nd Data ByteAll AcceptAll AcceptNone A

Section 3 IEEE 488 Primer3-83.7.2 Listen Address Group (LAG)There are 31 (0 to 30) listen addresses associated with this group. The 3 most significan

Section 3 IEEE 488 Primer3-93.7.8 Selected Device Clear (SDC)This causes a single device to be initialized to a pre-defined or power up state. ($04)3

Table of ContentsSection 1 INTRODUCTION Page1.1 Description 1.11.2 Available Accessories 1.21.3 Extender488 Specifications 1.31.4 Extender488/F Specif

Section 3 IEEE 488 Primer3-103.7.14 Parallel Poll Configure (PPC)This configures devices capable of performing a Parallel Poll as to which data bit th

Section 3 IEEE 488 Primer3-113.8.1 Serial PollSuppose the Controller receives a service request. For this example, let's assume there aresevera

Section 4 Service Information4.1SERVICE INFORMATION4.1 Factory ServiceMeasurement Computing maintains a factory service center in Norton, Massachuset

Section 4 Service Information4.44.5 Extender488 and Extender488/F PARTS LISTDesignation Part Numbers DescriptionC101 C-5-.1 0.1µF Ceramic, 25vC102

Section 4 Service Information4.5Designation Part Numbers DescriptionU101 IC-1 MC68B09P MicroprocessorU102* Extender488-600 Programmed EPROM - 2764U102

Appendix A Character Codes And IEEE Multiline MessagesA.1

Table of ContentsSection 3 IEEE 488 Primer Page3.7.3 Unlisten (UNL) 3.83.7.4 Talk Address Group (TAG) 3.83.7.5 Untalk (UNT) 3.83.7.6 Local Lockout (LL

Section 1 Introduction1-1INTRODUCTION1.1 DESCRIPTIONThe Extender488s enable IEEE 488 devices to be co ntrolled up to 4,000 feet from the h ostcompute

Section 1 Introduction1-21.2 AVAILABLE ACCESSORIESThe following accessories are available from Measurement Computing for use with the Extender488s.CA

Section 1 Introduction1-31.3 Extender488 SPECIFICATIONSIEEE 488-1978Implementation: Proprietary transparent control and data transfers.Connector: Sta

Section 1 Introduction1-41.4 Extender488/F SPECIFICATIONSIEEE 488-1978Implementation: Proprietary transparent control and data transfers.Connector: S

Section 1 Introduction1-51.5 ABBREVIATIONSThe following IEEE 488 abbreviations are used throughout this manual.addr n IEEE bus address "n"A