Using GPIB, RS-232

Interface Functions

The GB1400 is configured as a talker/listener. No controller functions are implemented. As described in the IEEE-488 standards, the GB1400 supports the following implementation:

SH1

Complete source handshake

AH1

Complete acceptor handshake

T6

Basic talker; serial poll, no talk only, unaddressed if

 

addressed to listen, no extended talker

L4

Basic listener, no listen only, unaddressed if addressed to

 

talk, no extended listener

SR1

Complete service request

RL1

Complete remote/ local capability including local lockout

PP0

No parellel poll capability

DC1

Complete device clear capability

DT0

No device trigger capability

C0

No controller capability

E2

Tri-state drivers used on DI0 lines for maximum data

 

transfer rate

GPIB Connector Pin-Outs

The GB1400 uses the standard D-type 24 pin GPIB connector located on the rear panel. All signals and pins conform to the standard GPIB pin out protocol.

Programming GPIB Remote Commands

There are two types of remote commands for the GB1400:

Set commands (commands)

Queries commands (queries

The set commands force the GB1400 to take a specific action. The query commands direct the GB1400 to return status information. The controller sends commands to the GB1400 as strings terminated at EOI or EOI/LF characters. These command lines can contain either a single command or multiple commands. The command line may contain both queries and commands. Each individual command within the command line must be separated by semi-colons (;), parameters must be separated by comma (,). Hexadecimal parameters must be preceded by a ‘#H’.

Each query command sent to the GB1400 will return one response. The response may contain multiple response units (separated by semi-colons), however only one EOI/LF response termination is sent by the GB1400 to the controller for each

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GB1400 User Manual

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Tektronix 071-0590-00 user manual Interface Functions, Gpib Connector Pin-Outs, Programming Gpib Remote Commands