Keithley 2520 User Manual page 13

Program messages ...........................................................
Single command messages ......................................
Multiple command messages ...................................
Command path rules ................................................
Using common and SCPI commands in the same
Program message terminator (PMT) .......................
Command execution rules .......................................
Response messages .........................................................
Sending a response message ....................................
Multiple response messages ....................................
Response message terminator (RMT) .....................
Message exchange protocol ............................................
RS-232 interface operation ....................................................
Sending and receiving data .............................................
Baud rate .........................................................................
Data bits and parity .........................................................
Terminator .......................................................................
Flow control (signal handshaking) ..................................
RS-232 connections ........................................................
Error messages ................................................................
Programming example ....................................................
11 Status Structure
Overview ..................................................................................
Status byte and SRQ .........................................................
Status register sets .............................................................
Queues ...............................................................................
Clearing registers and queues ...................................................
Programming and reading registers .........................................
Programming enable registers ...........................................
Reading registers ...............................................................
Status byte and service request (SRQ) .....................................
Status byte register ............................................................
Service request enable register ..........................................
Serial polling and SRQ .....................................................
SPE, SPD (serial polling) ..........................................
Status byte and service request commands .....................
Programming example - set MSS (B6) when
Status register sets ..................................................................
Register bit descriptions ..................................................
Standard event register .............................................
Operation event register ...........................................
Measurement event register .....................................
Questionable event register ......................................
message ..............................................................
error occurs ........................................................
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