Keithley 6487 Reference Manual

B-2 Status and Error Messages Model 6487 Reference Manual
Table B-1
Status and error messages
Number Description Event
-440
-430
-420
-410
-363
-362
-361
-360
-350
-330
-315
-314
-285
-284
-282
-281
-260
-241
-230
-225
-224
-223
-222
-221
-220
-215
-214
-213
-212
-211
-210
-202
-201
-200
-178
-171
-170
-168
-161
-160
Query unterminated after indefinite
response
Query deadlocked
Query unterminated
Query interrupted
Input buffer overrun
Framing error in program message
Parity error in program message
Communications error
Queue overflow
Save/recall memory lost
Self-test failed
Configuration memory lost
Program syntax error
Program currently running
Illegal program name
Cannot create program
Expression error
Hardware missing
Data corrupt or stale
Out of memory
Illegal parameter value
Too much data
Parameter data out of range
Settings conflict
Parameter error
Arm deadlock
Trigger deadlock
Init ignored
Arm ignored
Trigger ignored
Trigger error
Settings lost due to rtl
Invalid while in local
Execution error
Expression data not allowed
Invalid expression
Expression error
Block data not allowed
Invalid block data
Block data error
EE
EE
EE
EE
EE
EE
EE
EE
SYS
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE

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%