Black Box IC026A-R2, IC026AE-R2 manual RS-232↔IEEE 488 Interface Converter

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RS-232↔IEEE 488 INTERFACE CONVERTER

Chapter		Page
4.4	Talk-Back Features	34
	4.4.1 Talk-Back on Terminator	34
	4.4.2 Talk-Back on Timeout	36
4.5	Plotter Applications	38
4.6	Printer Applications	44
5. Peripheral Operation		45
5.1	Peripheral-Mode Operation	45
5.2	Serial and IEEE Input Buffers	45
5.3	IEEE Data Transfers	46
	5.3.1 Blind Bus Data Transfers	46
	5.3.2 Controlled Bus Data Transfers	47
5.4	Serial-Poll Status-Byte Register	48
5.5	Use of Serial and Bus Terminators	50
5.6	IEEE 488 Bus Implementation	50
	5.6.1 My Talk Address (MTA)	51
	5.6.2 My Listen Address (MLA)	51
	5.6.3 Device Clear (DCL and SDC)	51
	5.6.4 Interface Clear (IFC)	51
	5.6.5 Serial Poll Enable (SPE)	51
	5.6.6 Serial Poll Disable (SPD)	51
	5.6.7 Unlisten (UNL)	51
	5.6.8 Untalk (UNT)	51
5.7	IEEE Address Selection	52
6. IEEE 488 Primer		53
6.1	History	53
6.2	General Structure	53
6.3	Send It To My Address	55
6.4 Bus Management Lines		56
	6.4.1 Attention (ATN)	56
	6.4.2 Interface Clear (IFC)	56
	6.4.3 Remote Enable (REN)	56
	6.4.4 End Or Identify (EOI)	56
	6.4.5 Service Request (SRQ)	56

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Contents RS-232↔IEEE Interface Converter RS-232↔IEEE 488 Interface Converter Trademarks Used in this Manual RS-232↔IEEE 488 Interface Converter NOM Statement RS-232↔IEEE 488 Interface Converter Contents RS-232↔IEEE 488 Interface Converter Contents Serial Interface SpecificationsIEEE-488 Interface Specifications GeneralIntroduction DescriptionAbbreviations Configuration Getting StartedInspection Serial PortSW3 Serial Port Settings Switch SW1 Selecting the Serial Baud Rate Switch SW1 Selecting the Serial Word Length Data Bits Switch SW2 Selecting the Serial Parity Switch SW1 Selecting the Serial Handshake Switch SW2 Selecting the Serial Terminator Selecting Terminator SubstitutionSelecting the Mode Switch SW3 Selecting the Ieee Bus Terminator10. Switch SW2 Selecting the Mode Selecting the Ieee AddressFeature Selections Serial Interface 15. Selecting RS-232 or RS-422 Signal Levels RxD Receive Data-Input-Pin TxD Transmit Data-Output-PinClear To Send-Input-Pin Request To Send-Output-PinVtest Test Voltage-Output-Pin Gnd Ground-Pin+RxD Receive Data Plus-Input-Pin +TxD Transmit Data Plus-Output-PinRTS CTS General DSR RTS CTSGetting Started Controller Operation Controller-Mode Serial to Ieee OperationSerial and Ieee Terminator Substitution Talk-Back Features Ieee Address SelectionSwitch SW1 Enabling or Disabling Talk-Back on Terminator Switch SW2 Enabling or Disabling Talk-Back on Timeout 7470A SP1PA1000,1000PDPA1000,6000PUSP0Plotter Applications A PC-Based Graphics System SW3 MacPlot Configuration Screen Setting the Internal DIP Shorting Jumper for RS-422 SW3 Printer Applications Serial and Ieee Input Buffers Peripheral OperationPeripheral-Mode Operation Ieee Data Transfers Controlled BUS Data Transfers Serial-Poll Status-Byte Register DIO8 Ieee Input Buffer not EmptyRsv Not Defined-AlwaysSerial Input Buffer not Empty Ieee Input Buffer FullUse of Serial and Bus Terminators Ieee 488 Bus ImplementationUntalk UNT SW3 View for Ieee Address Selection General Structure Ieee 488 PrimerHistory RS-232↔IEEE 488 Interface Converter Send It to My Address DMMBus Management Lines Handshake Lines Data Valid DAVMultiline Commands Data LinesTalk Address Group TAG More on Service Requests Serial Poll Theory of Operation Address Device Part Number FunctionBoard Layout Component Layout of the Interface Converter’s MotherboardRED BLK Appendix A. Sample Dumb-Terminal Program CLSMultiline Messages SOHHow To Read the Chart Ascii CharacterIndex DIO1 DIO2 DIO3Index SW1 Copyright 1998. Black Box Corporation. All rights reserved