Keithley 2520, User Manual, Page: 130 / 329

8-14 Triggering Model 2520 User’s Manual
Remote trigger example
Table 8-2 summarizes the command sequence for basic trigger operation. These com-
mands set up Model 2520 triggering as follows:
• Trigger input source: bus
• Output trigger: enabled
• Trigger link output line: 1
After the unit is set up, :INIT is sent to take the unit out of idle. *TRG is sent to trigger the
unit, after which it performs one measurement cycle.
Table 8-1
Remote trigger commands
Command Description
:INITiate Take Model 2520 out of idle state.
:ABORt Reset trigger system.
:TRIGger:COUNt <count> Set trigger count (1 to 5000).
:TRIGger:ILINe <line> Select trigger link input line (1 to 6).
:TRIGger:OLINe <line> Select trigger link output line (1 to 6).
:TRIGger:OUTPut <event> Enable/disable output trigger. (TRIGger or NONE).
:TRIGger:SOURce <source> Select trigger input source (IMMediate, TIMer, BUS, TLINK,
PSTest, NSTtest, or BSTest).
:TRIGger:TIMer <time> Set trigger timer (0 to 99999.99s).
*TRG Trigger Model 2520 (if BUS source selected).
Table 8-2
Remote triggering example
Command Description
*RST
:SOUR1:CURR 0.1
:TRIG:SOUR BUS
:TRIG:OUTP TRIG
:TRIG:OLIN 1
:OUTP1 ON
:INIT
*TRG
:OUTP1 OFF
:FETC? Restore GPIB defaults.
Source 100mA.
Select bus trigger input source (*TRG command).
Enable output trigger.
Trigger link output line = #1.
Turn on source output.
Take unit out of idle.
Trigger reading.
Turn off source output.
Request readings.