Keithley 2110

Model 211
0 5½ Digit Multimeter Reference Manual Table
of Contents
Next steps ................................................................................................................. 7-1
Additional Model 2110 information ....................................................................................... 7-1
Maintenance .............................................................................................................. A-1
Line fuse replacement .......................................................................................................... A-1
Current input fuse replacement ............................................................................................ A-3
Upgrading the firmware ........................................................................................................ A-4
Status model ............................................................................................................. B-1
Overview .............................................................................................................................. B-1
Status byte and SRQ ................................................................................................................ B-1
Status register sets ................................................................................................................... B-1
Error Queue and Output Buffer ................................................................................................. B-2
Clearing registers and queues ............................................................................................. B-3
Programming enable registers ............................................................................................. B-3
Reading registers ................................................................................................................. B-3
Status byte and service request (SRQ) ............................................................................... B-4
Status Byte Register ................................................................................................................. B-4
Service request ......................................................................................................................... B-5
Status structure ......................................................................................................................... B-6
Using serial polling and SRQ .................................................................................................... B-6
Status byte and service request commands.............................................................................. B-7
Status register sets .............................................................................................................. B-8
Standard Event Register ........................................................................................................... B-8
Questionable Data Register .................................................................................................... B-10
Status reporting command summary ................................................................................. B-10
Communication interface ......................................................................................... C-1
Communication interfaces.................................................................................................... C-1
Selecting an interface ................................................................................................................ C-1
USB communications ................................................................................................................ C-1
GPIB setup ................................................................................................................................ C-7
Supplied software .................................................................................................................... C-11
Keithley I/O layer ..................................................................................................................... C-14
Addressing instruments with VISA .......................................................................................... C-18