Keithley 6487 Reference Manual

Model 6487 Reference Manual Triggering 7-3
Figure 7-2
Trigger model — remote operation
The difference between front panel operation (Figure 7-1) and remote operation
(Figure 7-2) is within the idle state of the instrument. Nomenclature in Figure 7-1 relates
to the various names used for configuration menu items while Figure 7-2 provides the
SCPI commands to control operation.
Arm-In
Event
Arm Event
Detector
Trigger Event
Detector
Trigger Delay
MEASURE
Action
No
Yes
Idle
Another
Arm
?
Another
Trigger
?
Yes
No
Arm
Layer
Trigger
Layer
= Output Trigger
Trigger-In
Source
0.0 sec
No
See Note
INITiate
?
Yes
SOURce
ARM
:DIRection
ACCeptor
ARM:SOURce IMMediate
ARM:SOURce BUS
ARM:SOURce TIMer
ARM:SOURce MANual
ARM:SOURce TLINk
ARM:SOURce NSTest
ARM:SOURce PSTest
ARM:SOURce BSTest
TRIGger
:DIRection
SOURce
ACCeptor
TRIGger:DELay <n>
TRIGger:OUTPut
SENSe | NONE
TRIGger:COUNt <n>
ARM:OUTPut
TRIGger|NONE
ARM:COUNt <n>
TRIGger:SOURce IMMediate
TRIGger:SOURce TLINk
Note:
The following commands place the
Model 6487 into idle: ABORt,
*RST, SYSTem:PRESet, *RCL <NRf>,
DCL, and SDC.
TRIGger:DELay:AUTO <b>

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%