Keithley 2701 User Manual Download

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Table of Contents

Model 2701 Ethernet-Based DMM / Data Acquisition System

Separate function setups .................................................................... 10-3
DCV input divider ................................................................................ 10-3
Multiple channel operation .................................................................. 10-3

System commands.................................................................................... 10-3

Interface.............................................................................................. 10-3
Password ............................................................................................ 10-4
Battery ................................................................................................ 10-5
Miscellaneous system commands ...................................................... 10-6

Ethernet setup ........................................................................................... 10-7

Ethernet standards ............................................................................. 10-7
Typical Ethernet systems .................................................................... 10-7
Ethernet connections ........................................................................ 10-10
Ethernet settings............................................................................... 10-12

Internal web page.................................................................................... 10-16

Opening the web page...................................................................... 10-16

Front panel aspects of Ethernet operation .............................................. 10-20

Error and status messages ............................................................... 10-20
Status indicators ............................................................................... 10-20
LOCAL key ....................................................................................... 10-20

Programming syntax ............................................................................... 10-21

Command words............................................................................... 10-21
Query commands ............................................................................. 10-23
Case sensitivity ................................................................................. 10-23
Long-form and short-form versions................................................... 10-23
Short-form rules ................................................................................ 10-24
Program messages........................................................................... 10-24
Response messages ........................................................................ 10-27
Message exchange protocol ............................................................. 10-27

RS-232 interface operation ..................................................................... 10-28

Sending and receiving data .............................................................. 10-28
Baud rate .......................................................................................... 10-28
Signal handshaking (flow control) ..................................................... 10-29
Terminator ......................................................................................... 10-30
Selecting and configuring RS-232 interface ..................................... 10-30
RS-232 connections ......................................................................... 10-32
Error messages ................................................................................ 10-33

Status Structure

.................................................................................... 11-1

Overview ................................................................................................... 11-2

Status byte and SRQ .......................................................................... 11-2
Status register sets ............................................................................. 11-2
Queues ............................................................................................... 11-2

Clearing registers and queues .................................................................. 11-4
Programming and reading registers .......................................................... 11-5

Programming enable registers............................................................ 11-5
Reading registers............................................................................... 11-7

Keithley 2701, User Manual

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