Keithley 2461 Reference Manual

Section
8: TSP command reference Model 2461 Interactive SourceMeter® Instrument
Reference Manual
8-70 2461-901-01 A/November 2015
Details
When an event occurs on the instrument, it is placed in the event log. The eventlog.next()
command retrieves an unread event from the event log. Once an event is read, it can no longer be
accessed remotely. However, it can be viewed on the front panel. When localnode.showevents
is enabled, this command never returns an event because those events are automatically read and
sent to the remote interface.
To read multiple events, execute this command multiple times.
If there are no entries in the event log, the following is returned:
0 No error 0 0 0 0
If the event type is not defined, an event of any type is returned.
Example
print(eventlog.next(5))
Get the oldest error or information event from the event log.
Example output:
-285 TSP Syntax error at line 1: unexpected symbol near `0' 1 0 1367806152
652040060
Also see
eventlog.clear() (on page 8-68)
eventlog.getcount() (on page 8-68)
eventlog.save() (on page 8-71)
Using the event log (on page 2-142)
eventlog.post()
This function allows you to post your own text to the event log.
Type TSP-Link accessible
Affected by Where saved Default value
Function Yes
Usage
eventlog.post(message)
eventlog.post(message, eventType)
message
String that contains the message
eventType
The type of event; if no event is defined, defaults to eventlog.SEV_INFO:
• Error: eventlog.SEV_ERROR or 1
• Warning: eventlog.SEV_WARN or 2
• Information:
eventlog.SEV_INFO
or
4

Keithley 2461 Specifications

General

Maximum Current	7 A
Power	100 W
Resolution	6.5 digits
Source Measure Unit (SMU)	Yes
DC Voltage	100 V
Maximum Voltage	100 V
Display	5-inch capacitive touchscreen
Connectivity	USB, GPIB
Software	TSP
DC Current	7 A
Current Source Range	0 to 7 A
Voltage Measurement Range	100 mV to 100 V
Current Measurement Range	10 nA to 7 A
Voltage Measurement Resolution	100 nV