Keithley 2500 User Manual

Using common and SCPI commands in the
same message ....................................................... 13-15
Program message terminator (PMT) ........................ 13-15
Command execution rules ........................................ 13-15
Response messages ......................................................... 13-16
Sending a response message .................................... 13-16
Multiple response messages ..................................... 13-16
Response message terminator (RMT) ...................... 13-16
Message exchange protocol ............................................. 13-16
RS-232 interface operation ..................................................... 13-17
Sending and receiving data .............................................. 13-17
Baud rate ......................................................................... 13-17
Data bits and parity ......................................................... 13-17
Terminator ....................................................................... 13-18
Flow control (signal handshaking) .................................. 13-18
RS-232 connections ......................................................... 13-18
Error messages ................................................................ 13-19
Programming example .................................................... 13-20
14 Status Structure
Overview .................................................................................. 14-2
Status byte and SRQ .......................................................... 14-2
Status register sets ............................................................. 14-2
Queues ............................................................................... 14-2
Clearing registers and queues ................................................... 14-4
Programming and reading registers .......................................... 14-5
Programming enable registers ........................................... 14-5
Reading registers ............................................................... 14-6
Status byte and service request (SRQ) ..................................... 14-7
Status byte register ............................................................ 14-8
Service request enable register .......................................... 14-9
Serial polling and SRQ ...................................................... 14-9
SPE, SPD (serial polling) ........................................... 14-9
Status byte and service request commands ..................... 14-10
Programming example - set MSS (B6) when
error occurs .......................................................... 14-10
Status register sets .................................................................. 14-11
Register bit descriptions .................................................. 14-11
Standard event register ............................................. 14-11
Operation event register ........................................... 14-13
Measurement event register ...................................... 14-14
Questionable event register ...................................... 14-16
Condition registers .......................................................... 14-17
Event registers ................................................................. 14-17
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Keithley 2500 Specifications

General

Brand	Keithley
Model	2500
Category	Measuring Instruments
Language	English