Keithley 6487 Reference Manual

Model 6487 Reference Manual DDC Emulation Commands C-5
EOI and
Bus
Hold-off
K0 Enable both EOI and bus hold-off on X SCPI not
available
X
K1 Disable EOI, enable bus hold-off on X SCPI not
available
K2 Enable EOI, disable bus hold-off on X SCPI not
available
K3 Disable both EOI and bus hold-off on X SCPI not
available
Default
Conditions
and
Calibration
L0 Return to factory defaults and save (L1)
SYSTem:PRESet
*SAV 0
F
L1 Save present states as default conditions
*SAV 0
L2 Return to saved defaults
*RCL 0
L3-L6 Calibration commands (not supported) G
SRQ
SRQ Mask
Bits:
(H)
M0 Clears SRQ mask (SRQ disabled)
*SRE 0
(None) X
M1 Reading Overflow
STATus:MEASurement[:EVENt]:ENABle 128
*SRE 1
(B0)
page C-14
M2 Data Store Full
STATus:MEASurement[:EVENt]:ENABle 512
*SRE 1
(B1)
page C-14
M4 Data Store Half Full
(not SCPI supported)
(B2)
page C-14
M8 Reading Done
STATus:MEASurement[:EVENt]:ENABle 64
*SRE 1
(B3)
page C-14
M16 Ready (B4)
page C-14, I
M32 Error (B5)
page C-14, I
M128 Voltage source error (B7)
page C-15, I
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%