Keithley 6485 User Manual

10-20 Status Structure Model 6485 Picoammeter Instruction Manual
Programming example — read error queue
The following command reads the error queue:
STAT:QUE? ' Read Error Queue.
Table 10-7
SCPI commands — error queue
Command Description Default
STATus
:QUEue
[:NEXT]?
:ENABle <list>
:ENABle?
:DISable <list>
:DISable?
:CLEar
SYSTem
:ERRor
[:NEXT]?
:ALL?
:COUNt?
:CODE
[:NEXT]?
:ALL?
:CLEar
STATus subsystem:
Read error queue:
Read and clear oldest error/status (code and message).
Specify error and status messages for error queue.
Read the enabled messages.
Specify messages not to be placed in queue.
Read the disabled messages.
Clear messages from error queue.
SYSTem subsystem:
Read error queue:
Read and clear oldest error/status (code and message).
Read and clear all errors/status (code and message).
Read the number of messages in queue.
Code numbers only:
Read and clear oldest error/status (code only).
Read and clear all errors/status (codes only).
Clear messages from error queue.
(Note 1)
(Note 2)
(Note 2)
(Note 1)
Notes:
1. Power-up and *CLS empties the error queue. STATus:PRESet has no effect.
2. Power-up enables error messages and disables status messages. *CLS and STATus:PRESet have no effect.

Keithley 6485 Specifications

General

Model	Keithley 6485
Category	Picoammeter
Input Impedance	>10^14 Ohms
Voltage Burden	<200µV
Accuracy	0.4% of reading
Voltage Source Range	Not Applicable
Voltage Source Resolution	Not Applicable
Voltage Source Accuracy	Not Applicable
Interface	IEEE-488
Power Requirements	100V to 240V AC, 50/60Hz
Dimensions	89 mm high x 214 mm wide x 369 mm deep (3.5 in x 8.4 in x 14.5 in)