Keithley 7001 User Manual

IEEE-488 Reference
5-68
:DISPlay subsystem
Indefinite block :disp:text:data #0aa...a
:disp:wind2:text:data #0aa...a
Definite block :disp:text:data #XYaa...a
:disp:wind2:text:data #XYaa...a
where; Y = number of characters in message:
Up to 20 for top display.
Up to 32 for bottom display.
X = number of digits that make up Y (1 or 2).
Power-up Null string
*RST No effect
:SYSTem:PRESet No effect
:DATA? Query the defined text message
Short-form formats: :disp:text:data?
:disp:wind2:text:data?
Response message: User defined text message
These commands define the text messages that you wish to display. The message can be as long
as 20 characters for the top display, and up to 32 characters for the bottom display. A space is
counted as a character. Excess message characters (over 20 and 32 respectively) will cause error.
A string message must be enclosed in single quotes or double quotes. Both of the following sting
messages are valid:
‘Keithley Model 7001’ or “Keithley Model 7001”
An indefinite block message must be the only command in the program message or the last com-
mand in the program message. If you include a command after an indefinite block message (on
the same line), it will be treated as part of the message and will be displayed instead of executed.
10 OUTPUT 707; “:disp:text:data ‘Keithley Model 7001’; data?”
20 ENTER 707; A$
30 PRINT A$
40 END
Line 10 Defines the user defined message for the top display, and then queries the defined mes-
sage.
Line 20 Addresses the 7001 to talk.
Line 30 Displays (on the CRT) the user defined message.
Defaults
Query
command
Description
Programming
example
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Keithley 7001 Specifications

General

Max Switching Voltage	300 V
Max Switching Current	1 A
Operating Temperature	0°C to 50°C
Switching Speed	1 ms
Interface	GPIB, RS-232
Switching Type	Various, depending on installed switch cards (e.g., electromechanical, solid-state)

Summary

Warranty

Limitation of Warranty

Limits of warranty coverage, remedies, and exclusions.

Safety Precautions

7001 High Density Switch System Specifications

SYSTEM

Core system parameters including capacity, memory, timing, triggers, and I/O.

ANALOG BACKPLANE

Details on analog backplane signals, voltage, current, and isolation.

IEEE-488 BUS IMPLEMENTATION

GENERAL

1 General Information

1.3 Warranty Information

Details and procedures related to product warranty.

1.5 Safety Symbols and Terms

Explanation of safety symbols and terms used throughout the manual.

1.6 Specifications

Technical specifications of the Model 7001 instrument.

2 Card Installation

2.2 Model 701X Series Card Installation

Steps for installing 701X series cards into the mainframe.

2.3 Non-701X Series Cards

Steps for installing non-701X series cards into the mainframe.

4 Front Panel Operation

4.2 Power-up Procedure

Steps for connecting power and starting the instrument.

4.5 Mainframe Programming

4.7 Card Config

4.8 Scan Config

5 IEEE-488 Reference

5.2 IEEE-488 Bus Connections

5.3 Primary Address Selection

5.6 Status Structure

7 Maintenance

7.2 Service Options

7.3 Static-Sensitive Devices

Precautions for handling static-sensitive components.

7.5 Disassembly

Procedures for removing instrument covers and boards.

7.6 Diagnostics

How to run the instrument's built-in diagnostic tests.

7.8 Troubleshooting

Guidance for diagnosing and fixing instrument malfunctions.

8 Replaceable Parts

8.2 Electrical Components List

8.4 Ordering Information

8.5 How to Obtain Factory Service

Process for returning the instrument for factory service.

6 Theory of Operation

6.2 Overall Functional Description

General functional overview of the Model 7001.

6.3 Control Function

Description of the instrument's internal control mechanisms.

6.4 Relay Control Circuitry