Keithley 6487 Reference Manual

14-18 SCPI Reference Tables Model 6487 Reference Manual
Table 14-9
TRIGger command summary
Command Description
Default
parameter
Ref
Section
SCPI
:INITiate Path to initiate measurement cycle(s): 7 √
[:IMMediate] Initiate one trigger cycle. √
:ABORt Reset trigger system (goes to idle state). √
:ARM[:SEQuence[1]] Path to configure arm layer: √
[:LAYer[1]]
:SOURce <name> Select control source: IMMediate, TIMer,
BUS, TLINk, MANual, PSTest, NSTest, or
BSTest.
IMM √
:SOURce? Query arm control source. √
:COUNt <n> Set measure count: 1 to 2048 or INF (infinite). 1
1
√
:COUNt? Query measure count. √
:TIMer <n> Set timer interval: 0.001 to 99999.999 (sec). 0.100 √
:TIMer? Query timer interval. √
[:TCONfigure] √
:DIRection <name> Enable (SOURce) or disable (ACCeptor)
bypass.
ACC √
:DIRection? Query arm source bypass. √
[:ASYNchronous] Configure input/output triggers:
:ILINe <NRf> Select input trigger line: 1, 2, 3, 4, 5, or 6. 1
:ILINe? Query input trigger line.
:OLINe <NRf> Select output trigger line: 1, 2, 3, 4, 5, or 6. 2
:OLINe? Query output trigger line.
:OUTPut <name> Output trigger (TRIGger) or not at all
(NONE).
NONE
:OUTPut? Query output trigger status.
1.
*RST default is 1. SYST:PRES default is INF.

Keithley 6487 Specifications

General

Type	Picoammeter/Voltage Source
Current Measurement Range	20 fA to 20 mA
Interfaces	GPIB, RS-232
Voltage Burden	< 200 µV
Input Impedance	>10^14 Ω
Power	100 V / 120 V / 220 V / 240 V
Basic Current Measurement Accuracy	0.4%