Keithley 6487 Reference Manual

C-6 DDC Emulation Commands Model 6487 Reference Manual
Data Store
N0 Stop storage, clear buffer J
Nn Arm data store, set buffer size “n” where n =1 to 512 J
Operate
O0 Place voltage source in standby
SOURce[1]:VOLTage:STATe OFF
X
O1 Place voltage source in operate
SOURce[1]:VOLTage:STATe ON
Filters
P0 Both analog and digital filters off
P1 Enable digital filter, disable analog filter K
P2 Disable digital filter, enable analog filter
P3 Enable both digital and analog filters K X
Interval
Q0 175msec
TRIGger:DELay 0.175
X
Q1 Set to “n” seconds, n= 0.01msec to 999.999sec
TRIGger:DELay <NRf>
L
Range
R0 Enable autorange
[SENSe[1]]:RANGe:AUTO ON
X
R1 2nA range
[SENSe[1]]:RANGe 2e-9
R2 20nA range
[SENSe[1]]:RANGe 20e-9
R3 200nA range
[SENSe[1]]:RANGe 200e-9
R4 2μA range
[SENSe[1]]:RANGe 2e-6
R5 20μA range
[SENSe[1]]:RANGe 20e-6
R6 200μA range
[SENSe[1]:RANGe 200e-6
R7 2mA range
[SENSe[1]]:RANGe 2e-3
R8 20mA range
[SENSe[1]]:RANGe 20e-3
M
R9 20mA range
[SENSe[1]]:RANGe 20e-3
M
R10 Disable autorange
[SENSe[1]]:RANGe:AUTO OFF
M
Table C-1 (co n t .)
Device dependent command summary
Mode Command
Description
Equivalent SCPI or 488.2 commands
Note Default

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%