Keithley 2701

9 Limits and Digital I/O
Limits .......................................................................................... 9-2
Scanning .............................................................................. 9-4
Basic limits operation .......................................................... 9-4
Digital I/O ................................................................................... 9-5
Digital input (trigger link input) .......................................... 9-5
Digital outputs ..................................................................... 9-6
Setting digital output ......................................................... 9-10
Scanning ............................................................................ 9-11
Remote programing — limits and digital output ...................... 9-12
Limits and digital output commands ................................. 9-12
Limits and digital outputs programming example ............ 9-14
Application — sorting resistors ................................................ 9-14
Limits ................................................................................ 9-14
Digital outputs ................................................................... 9-17
10 Remote Operations
Operation enhancements .......................................................... 10-2
Pseudocards ....................................................................... 10-2
Autozero ............................................................................ 10-2
dB calculation .................................................................... 10-2
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